Acer Aspire 1420P Aspire 1420P and 1820PT Service Guide
Acer Aspire 1420P Manual
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- Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 1
Aspire 1820TP/1420P Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 2
Revision History Please refer to the table below for the updates made on this service guide. Date Chapter Updates ii - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 3
, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 4
are used in this manual: SCREEN MESSAGES NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. Gives bits and pieces not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 5
supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 6
vi - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 7
Instructions 39 Disassembly Process 40 External Module Disassembly Process 41 External Modules Disassembly Flowchart 41 Removing the Dummy Card 42 Removing the Battery Pack 42 Removing the SIM Card 43 Removing the Module Cover 44 Removing the Hard Disk Drive Module 45 Removing the DIMM - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 8
125 Replacing the Upper Cover 128 Replacing the Hinge Covers 131 Replacing the Keyboard 133 Replacing the 3G Module 134 Replacing the WLAN Module 136 Replacing the DIMM 137 Replacing the Hard Disk Drive 137 Replacing the Module Cover 139 Replacing the SIM Card 141 Replacing the Battery 141 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 9
Table of Contents Troubleshooting 143 Common Problems 143 Power On Issue 144 No Display Issue 145 Random Loss of BIOS Settings 146 LCD Failure 147 Built-In Keyboard Failure 148 TouchPad Failure 149 Internal Speaker Failure 150 Internal Microphone Failure 151 HDD Not Operating Correctly - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 10
Table of Contents x - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 11
Intel® GS45 Express Chipset System Memory • Dual-Channel SDRAM support • Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM support • S/PDIF (Sony/Philips Digital Interface) support for digital speakers • MS-Sound compatible • Built-in microphone Communication • Integrated Acer - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 12
(11.22 x 8.22 x 1.12/1.36 inches) • 1.72 kg (3.79 lbs.) (non-3G SKU) Power subsystem • ACPI 3.0 • 62.16 W 5600 mAh • 3-pin 30 W AC adapter • ENERGY STAR®* Special keys and controls • 84-/85-/88-key keyboard • Multi-gesture touchpad pointing device I/O interface • Multi-in-1 card reader (SD/MMC/MS - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 13
System Block Diagram Chapter 1 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 14
View p 1 13 2 3 12 4 11 5 10 No. 1 2 3 4 5 6 Icon P 9 78 Item Acer Crystal Eye webcam Display screen Programmable key Backup key Description Web camera for video communication Also called Liquid-Crystal Display (LCD), displays computer output (Configuration may vary by models). Launch - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 15
and right) right mouse buttons. 8 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 9 Palmrest Comfortable support area for your hands when you use the computer. 10 Keyboard For entering data into your computer. 11 Stylus A pen tool for entering data into - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 16
monitor, LCD projector). Connects to an AC adapter Enable the computer to stay cool, even after prolonged use. Supports high S/PDIF support Microphone-in jack USB 2.0 port Power button / indicator Description Accepts Secure Digital (SD), MultiMediaCard (MMC), Memory Stick (MS), Memory Stick PRO - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 17
slots and cooling fan Battery lock Battery release latch Description Houses the computer's battery pack. Houses the computer's hard disk (secured with screws). Houses the computer's main memory. Enable the computer to stay cool, even after prolonged use. Note: Do not cover or obstruct the opening - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 18
Indicators The computer has several easy-to-read status indicators. The battery indicator is visible even when the computer cover is closed. Icon Function Bluetooth Description Indicates the status of Bluetooth communication. Wireless LAN Indicates the status of Wireless LAN/3G communication - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 19
cursor. NOTE: When using the TouchPad, keep it - and your fingers - dry and clean. The TouchPad is sensitive to finger movement; hence, the lighter the touch, the better the response. Tapping too hard will not increase the TouchPad's responsiveness. Chapter 1 9 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 20
solution would be to connect an external keypad. When Scroll Lock is on, the screen moves one line up or down when you press the up or down arrow keys like a desktop numeric keypad. It is indicated by small characters located on the upper right corner of the keycaps. To simplify the keyboard legend, - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 21
Windows Keys The keyboard has two keys that perform Windows-specific functions. Key Description Windows key to provide a variety of functions: < >: Open or close the Start menu < > + : Display the desktop < > + : Open Windows Explore < > + : Search for a file or folder < > + : - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 22
blank Touchpad toggle Speaker toggle Switches display output between the display screen, external monitor (if connected) and both. Turns the display screen backlight off to save power. Press any key to return. Turns the internal touchpad on and off. Turns the speakers on and off. Brightness up - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 23
1. Open a text editor or word processor. 2. Hold and then press the key at the upper-center of the keyboard. NOTE: Some fonts and software do not support the Euro symbol. See www.microsoft.com/typography/faq/ faq12.htm for more information. The US dollar sign 1. Open a text editor or - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 24
and Configurations Processor Item CPU type CPU package Features Core Logic Specification Intel Penryn SFF (ULV) Micro-FCBGA 956 balls • Supports Intel architecture with Dynamic execution. • On-die, primary 32-kB instruction cache and 32-kB write-back data cache. • On-die, up to 3MB second - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 25
System Memory Item Memory size DIMM socket number Supports memory size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed Supports DIMM voltage Supports DIMM package Module Combination Specification • Processor host bus supports 667/800/1066Mhz FSB support. • Supports - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 26
Internal transfer rate (Mbits/sec, max) I/O data transfer rate (Mbytes/sec max) DC Power Requirements Voltage Specifications Toshiba MK2555GSX Toshiba MK3255GSX 250 320 512 512 2 4 1 2 5400 8MB SATA 363 ~ 952 typical 300 5V ±5% Toshiba MK5055GSX 500 512 4 2 Item Vendor & Model - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 27
/sec, max) I/O data transfer rate (Mbytes/sec max) DC Power Requirements Voltage BIOS Item BIOS vendor BIOS ROM type BIOS ROM size BIOS package Supported Protocols BIOS password control LCD 11.6" Item Vendor/model name Screen Diagonal (mm) Active Area (mm) Display resolution (pixels) Pixel - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 28
) Vertical (Upper) / (Lower) 1 channel LVDS 45/45 10/30 Specifications 3.3V LVDS LVDS 45/45 20/45 30/30 10/20 LVDS 45/45 . • F/W upgradable via Flash downloads. • Very low power consumption. • Support Coexistence with Intel WCS (Wireless Coexistence System) & AFH (Adaptive Frequency Hopping) - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 29
keyboard work simultaneously Features Specification Atheros AR8131L 48pin QFN • It is an ultra-high performance, ultralow cost, and ultra- low power specification for 10/100 Mbps Ethernet and IEEE 802.3ab specification for 1000 Mbps Ethernet. • The AR8131L device combines pulse shaping, Tx/Rx PCS, - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 30
up to ver. 1.43 • Complies with Memory Stick PRO (MS_Pro) specification up to ver. 1.03 • Complies with Memory Stick PRO-HG (MS PRO-HG) specification up to ver. 1.01 • Complies with Memory Stick Interface Guideline for PC peripheral devices with Memory Stick Slot ver. 1.16-00 • Complies - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 31
Interface Antenna USB 2.0 1 x 2 Embedded Controller Item Specifications Chipset Features Winbond WPCE775LA0DG • Shared SPI BIOS flash memory with page programming support. • High-accuracy, high-speed ADC. • Up to 95 GPIO ports (including keyboard scanning) with a variety of wake-up events (up - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 32
22 Chapter 1 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 33
run Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST (when Press to enter Setup message is prompted on the bottom of screen). Press F2 to enter setup. The default parameter of F12 Boot Menu is set to "disabled". If you - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 34
Information The Information screen displays a summary of your computer hardware information. Information M a i n InsydelH20 Setup Utility Security Boot Exit Rev. 3.5 CPU Type: CPU Speed: IDE 0 Model Name: IDE 0 Serial Number: ATAPI Model Name: System BIOS Version: VGA BIOS Version: Serial - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 35
. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter System Time System Date Total Memory Video Memory Quick Boot Network Boot F12 Boot Menu D2D Recovery SATA Mode Description Sets the system time. The hours - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 36
Boot Exit Rev. 3.5 Supervisor Password Is : Clear User Password Is : Clear HDD Password Is : Clear Set Supervisor Password Set User Password Set Hdd Password Power on password [Disabled] Item Specific the BIOS Setup Utility notebook computer to your dealer to reset it. 26 Chapter 2 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 37
when typing your password because the characters do not appear on the screen. 3. Press Enter. After setting the password, the computer sets the opt to enable the Password on boot parameter. 5. When you are done, press F10 to save the changes and exit the BIOS Setup Utility. Removing a Password - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 38
User Password parameter to "Set". 5. If desired, you can enable the Password on boot parameter. 6. When you are done, press F10 to save the changes and exit the BIOS Setup Utility. If the verification is OK, the screen will display as following. Setup Notice Changes have been saved. [Continue] The - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 39
Setup Utility Security Boot Exit Rev. 3.5 Boot priority order : 1. IDE0 : TOSHIBA MK2555GSX 2. IDE1 : 3. Network Boot : Atheros Boot Agent 4. USB HDD : 5. USB CDROM : 6. USB FDD : Item Specific Help Use < Save and Exit Follow the on-screen instructions to adjust the order in which the devices - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 40
or discard any changes you made and quit the BIOS Utility. Information M a i n InsydelH20 Setup Utility Security Boot Exit Rev. 3.5 Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific Help Exit system setup and save your changes. F1 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 41
The BIOS flash memory update is required for the following conditions: • New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. To run the BIOS flash utility: 1. Copy the BIOS flash tool and the BIOS into a USB flash disk. 2. Set the computer to boot - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 42
USB HDD to Update BIOS, move USB HDD to position 1. Information M a i n InsydelH20 Setup Utility Security Boot Exit Rev. 3.5 Boot priority order : 1. IDE0 : TOSHIBA MK2555GSX 2. IDE1 : 3. Network Boot : Atheros Boot Agent 4. USB HDD : 5. USB CDROM : 6. USB FDD : Item Specific Help Use < > or - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 43
Utility Perform the following steps to use the WinFlash Utility: 1. Put the BIOS:ZE8_v3106.fd file under WinFlash file root. 1. Double click the WinFlash executable. 2. Click OK to begin the update. A progress screen displays. 3. When the process is complete, close all programs and applications and - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 44
Select Item screen. 2. Select Enter Unlock Password and press Enter. An Unlock Password displays. 3. Make a note of the key, 76943488 in the example. 4. Boot up the system to a removable bootable drive containing DOS and the UnlockHD.EXE program and open a DOS prompt. For instructions on changing - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 45
Password three times, System Disabled displays on the screen. See the image below. To reset the BIOS password, run clnpwd.exe as follows: 1. From a DOS prompt, Execute clnpwd.exe 2. Press 1 or 2 to clean the desired password shown on the screen. The onscreen message determines whether the function - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 46
Execute BS.exe to display the usage screen. 3. Select the desired boot sequence by entering the corresponding sequence, for example, enter BS2 to change the boot sequence to HDD|CD ROM|LAN|Floppy. Using DMITools The DMI (Desktop Management Interface) Tool copies BIOS information to eeprom to be used - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 47
Information from Memory Input: dmitools /r Output: Manufacturer (Type1, Offset04h): Acer Product Name (Type1, Offset05h): Aspire one xxxxx WriteLeng=6 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 48
38 Chapter 2 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 49
that the cables are replaced in the same position. General Information Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 50
battery pack. Disassembly Process The disassembly process is divided into the following sections: • External components disassembly • Main unit disassembly • LCD to remove the Mainboard, you must first remove the Keyboard, and LCD Module then disassemble the inside assembly frame in that order - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 51
. External Modules Disassembly Flowchart Turn off system and peripherals power Disconnect power and signal cables from system Remove Dummy Card Remove Battery Remove SIM Card (Optional) Remove Lower Cover Remove HDD Remove DIMM Remove WLAN Board Remove 3G Board Screw List Step WLAN - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 52
Removing the Dummy Card 1. Press the card in to allow it to spring out. 2. Pull the dummy card out. Removing the Battery Pack 1. Turn the computer over. 2. Slide the battery lock/unlock latch to the unlock position. 42 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 53
release latch to the release position (1), grasp the battery edge closest to the release latch and pull the battery up and away (2). 2 1 Removing the SIM Card 1. See "Removing the Dummy Card" on page 42. 2. Press the SIM card in to allow it to spring - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 54
Removing the Module Cover 1. Loosen the six (6) captive screws. 2. Pry up the cover in the location indicated. 3. Lift the cover up and away. 44 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 55
Removing the Hard Disk Drive Module 1. See "Removing the Dummy Card" on page 42. 2. See "Removing the Module Cover" on page 44. 3. Pry up the HDD FCP lock. 4. Lift out the HDD FCP. 5. Peel the adhesive black tape off the HDD. Chapter 3 45 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 56
6. Grasp the black tape, pulling up the HDD. 7. Lift the HDD out of the bay. 8. Remove the HDD cable from the HDD. 46 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 57
Removing the DIMM Module 1. See "Removing the Dummy Card" on page 42. 2. See "Removing the Module Cover" on page 44. 3. Push out the release latches on both sides of the DIMM socket to release the DIMM module. 4. Lift the DIMM module out. Chapter 3 47 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 58
Removing the WLAN Board 1. See "Removing the Dummy Card" on page 42. 2. See "Removing the Module Cover" on page 44. 3. Detach the two (2) cables. 4. Remove the one (1) screw. Step WLAN Screw M2*3 Quantity 1 Screw Type. 48 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 59
5. Remove the WLAN board. Removing the 3G Module 1. See "Removing the Dummy Card" on page 42. 2. See "Removing the Module Cover" on page 44. 3. Detach the two cables. Chapter 3 49 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 60
4. Remove the one (1) screw. Step 3G Module Screw M2*3 Quantity 1 5. Remove the 3G module. Screw Type. 50 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 61
Modules before proceeding Remove Keyboard Remove Hinge Covers Remove Upper Cover Remove Button Board Remove LED Board Remove CRT Board Remove I/O Board Remove Bluetooth Module Remove Thermal Module Remove Mainboard Remove RTC Battery Remove Speaker Module Remove LCD Module Chapter 3 51 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 62
Screw List Step Lower Cover Upper Cover Hinge Cover Button Board I/O Board LED Board CRT Board Main Board Speaker LCD Module Screw M2*5 M2*4 M2*5 M2*2.5 M2*3 M2*3 M2*4 M2*4 M2*4 M2*4 M2*3 M2*4 Quantity 16 6 6 4 3 2 1 2 1 2 2 5 Part No. 86.TPK07.001 86.W0107.003 86. - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 63
damaged during the removal process. Take care not to use excessive force when removing the keyboard and replace if any damage occurs. 1. See "Removing the Dummy Card" on page 42. 2. Push in the four (4) latches on the top edge of the keyboard. 3. Lift the keyboard up and flip over. Chapter 3 53 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 64
4. Unlock the FCP. 5. Remove the FCP and keyboard. 54 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 65
Removing the Hinge Covers 1. Remove the three (3) screws. Step Hinge Covers Screw M2*3 Quantity 3 2. Push up on the hinge bezel firmly to loosen the hinge cap. Screw Type. 3. Lift the LCD module to a partially open position. Chapter 3 55 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 66
4. Remove the hinge cap. 5. Remove the hinge bezel. 56 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 67
Removing the Upper Cover 1. See "Removing the Keyboard" on page 53. 2. See "Removing the Hinge Covers" on page 55. 3. Remove the twenty-two (22) screws in the lower cover. Step Lower Cover Screw M2*5 (Red Call Out) Quantity 16 M2*4 (Green Call Out) 6 Screw Type. 4. Flip the computer over and - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 68
5. Disconnect the button board cable. 6. Remove the ten (10) screws in the upper cover. Step Upper Cover Screw M2*5 (Red Call Out) Quantity 6 M2*2.5 (Green Call Out) 4 Screw Type. 58 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 69
7. Pry the upper and lower covers apart at the location shown. 8. Pry the front side open. 9. Pry the left side open. Chapter 3 59 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 70
10. Pull the upper cover away. 60 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 71
Removing the Button Board IMPORTANT: The Touchpad Board cannot be removed individually. To replace the Touchpad Board, replace the entire Upper Cover. 1. See "Removing the Upper Cover" on page 57. 2. Unlock the button board cable. 3. Disconnect the button board cable. 4. Pull the button board cable - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 72
5. Remove the button board cable. 6. Unlock the touchpad cable from the button board. 7. Disconnect the touchpad cable. 62 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 73
8. Pull the touchpad cable off the adhesive. 9. Unlock the touchpad cable from the touchpad. 10. Remove the touchpad cable. Chapter 3 63 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 74
11. Remove the two (2) screws. Step Button Board Screw M2*3 Quantity 2 12. Remove the button board. Screw Type. 64 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 75
Removing the I/O Board 1. See "Removing the Upper Cover" on page 57. 2. Unlock the I/O cable I/O board connector. 3. Disconnect the IO cable from the I/O board. 4. Unlock the I/O cable main board connector. Chapter 3 65 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 76
5. Remove the IO cable. 6. Turn the LCD module. 7. Remove the one (1) screw. Step I/O Board Screw M2*4 Quantity 1 Screw Type. 66 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 77
8. Turn the LCD module. 9. Lift the inside edge of the I/O board and pull the I/O board away. Removing the Bluetooth Module 1. See "Removing the Upper Cover" on page 57. 2. See "Removing the I/O Board" on page 65. 3. Disconnect the Bluetooth cable from the mainboard. Chapter 3 67 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 78
4. Disconnect the Bluetooth cable from the Bluetooth module. 5. Pry the Bluetooth module off the adhesive and remove. Removing the LED Board 1. See "Removing the Upper Cover" on page 57. 2. Unlock the LED cable LED board connector. 68 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 79
3. Disconnect the LED cable from the LED board connector. 4. Unlock the LED cable main board connector. 5. Remove the LED cable. Chapter 3 69 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 80
6. Remove the two (2) screws. Step LED Board Screw M2*4 Quantity 2 7. Remove the LED board. Screw Type. 70 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 81
Removing the CRT Board 1. See "Removing the Upper Cover" on page 57. 2. Turn the LCD module to expose the CRT board. 3. Remove the one (1) screw. Step CRT Board Screw M2*4 Quantity 1 Screw Type. Chapter 3 71 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 82
4. Lift the CRT board up one (1) centimetre (0.5 inch). CAUTION: Do not lift too high and strain the cable and connector still attached. 5. Turn the CRT board over. 6. Remove the CRT cable. 72 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 83
"Removing the Upper Cover" on page 57. 2. See "Removing the I/O Board" on page 65. 3. See "Removing the Bluetooth Module" on page 67. 4. See "Removing the LED Board" on page 68. 5. See "Removing the CRT Board" on page 71. 6. Disconnect the touchscreen cable. 7. Remove the LCD connector cable clear - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 84
8. Disconnect the LCD cable. 9. Disconnect the speaker cable. 10. Remove the two (2) screws. Step Main Board Screw M2*4 Quantity 2 Screw Type. 74 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 85
11. Lift up the main board from the inside edge and pull away. 12. Remove the CRT cable. Chapter 3 75 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 86
Removing the Thermal Module 1. See "Removing the Mainboard" on page 73. 2. Disconnect the thermal module cable. 3. Loosen the five (5) captive screws. The three (3) captive screws for the CPU connection marked 1,2,3 must be loosened in order: first 3, then 2, then 1. 23 1 4. Remove the thermal - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 87
Removing the RTC Battery 1. See "Removing the Mainboard" on page 73. 2. Carefully lift the battery out of the main board. Removing the Speaker Modules 1. See "Removing the Mainboard" on page 73. 2. Remove the two (2) screws. Step Speaker Screw M2*3 Quantity 2 Screw Type. Chapter 3 77 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 88
3. Grasp the speaker housings and remove the speaker module. Removing the LCD Module 1. See "Removing the Mainboard" on page 73. 2. Lift the antenna cable (i) and the LCD cable (ii) away from the retention guide hook. i) ii) 3. Turn the LCD module ninety (90) degrees. 78 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 89
4. Remove the five (5) screws. Step LCD Module Screw M2*5 5. Remove the LCD module. Quantity 5 Screw Type. Chapter 3 79 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 90
channels and clips are used and that the cables are replaced in the same position. NOTE: The product previews seen in the disassembly procedures may not represent the final product color or configuration. LCD Module Disassembly Flowchart Remove LCD Module from Main Unit before proceeding Remove - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 91
Screw List Step LCD Bezel LCD Panel LCD Brackets Touchscreen Board Hinge Screw M2*5 M2*4 M2*2.5 M2*4 M2*4 Quantity 2 4 4 2 3 Part No. 86.TG607.004 86.W0107.003 86.TPK07.001 86.W0107.003 86.W0107.003 Chapter 3 81 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 92
Removing the LCD Bezel 1. See "Removing the LCD Module" on page 78. 2. Remove the stylus. 3. Remove the screw covers 82 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 93
4. Remove the two (2) screws. Step LCD Bezel Screw M2*5 Quantity 2 5. Pry up the bezel from the bottom edge. Screw Type. 6. Pry up the bezel sides. Chapter 3 83 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 94
7. Pry up the bezel top edge and remove. 84 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 95
Removing the Camera Board 1. See "Removing the LCD Bezel" on page 82. 2. Pry up the camera board from the adhesive. 3. Disconnect the camera cable. Chapter 3 85 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 96
Bezel" on page 82. 2. Disconnect the microphone cable. 3. Pry up the microphone from the adhesive. Removing the LCD Panel 1. See "Removing the Camera Board" on page 85. 2. See "Removing the Microphone" on page 86. WARNING:The edges of the touchscreen surface are sharp - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 97
3. Unlock the touchscreen FCP. 4. Disconnect the touchscreen cable. 5. Remove the four (4) screws. Step Touchscreen Board Screw M2*4 Quantity 4 Screw Type. Chapter 3 87 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 98
6. Lift up the panel (1) and disconnect the touchscreen FCP (2). 2 1 7. Remove the LCD cable from the retention guide hook. 8. Remove the LCD panel. Removing the LCD Cable 1. See "Removing the Microphone" on page 86. 2. Turn the LCD panel face down on a dry clean soft surface. 88 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 99
3. Pull the camera cable from the adhesive. 4. Lift up the LCD connector clear protective cover. 5. Disconnect the LCD connector. Chapter 3 89 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 100
6. Pull up the LCD cable from the adhesive. 7. Pull the touchscreen cable from the adhesive. 90 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 101
Removing the LCD Brackets 1. See "Removing the Microphone" on page 86. 2. Remove the four (4) screws from the left and right brackets. Step LCD Panel Brackets Screw M2*2.5 Quantity 4 3. Remove the brackets. Screw Type. Chapter 3 91 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 102
Removing the Touchscreen Board 1. See "Removing the LCD Panel" on page 86. 2. Remove the two (2) screws. Step Touchscreen Board Screw M2*4 Quantity 2 3. Remove the touchscreen board. Screw Type. 92 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 103
Removing the Hinge 1. See "Removing the LCD Panel" on page 86. 2. Remove the three (3) screws. Step Hinge Screw M2*3 Quantity 3 3. Remove the hinge. Screw Type. Chapter 3 93 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 104
Removing the Antennas 1. See "Removing the Microphone" on page 86. 2. See "Removing the Touchscreen Board" on page 92. 3. See "Removing the Hinge" on page 93. 4. Peel the antenna foil off the cover. 5. Peel the antenna off the adhesive. 94 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 105
6. Remove the antenna cable from the retention guide hooks. 7. Peel the antenna foil off the cover. Chapter 3 95 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 106
8. Peel the antenna off the adhesive. 9. Remove the antenna cable from the retention guide hooks. 10. Remove both antenna cables from the cover. 96 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 107
LCD Reassembly Procedure Replacing the Antennas 1. Lay the two (2) cables under the retention guide exit hook. 2. Lay the left side cable under the retention guide hooks. 3. Adhere the left antenna pad (black cable) to the cover. Chapter 3 97 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 108
4. Lay the right side cable under the retention guide hooks. 5. Adhere the right side antenna pad (yellow cable) to the cover. Replacing the Hinge 1. Place the hinge on the cover. 98 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 109
2. Replace the three (3) screws. Step Hinge Screw M2*3 Quantity 3 Replacing the Touchscreen Board. 1. Place the touchscreen board onto the cover. Screw Type. Chapter 3 99 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 110
2. Replace the two (2) screws. Step Touchscreen Board Screw M2*4 Quantity 2 Screw Type. Replacing the LCD Brackets 1. Place the two (2) brackets on the panel paying attention to the correct orientation. 100 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 111
2. Replace the four (4) screws. Step LCD Panel Brackets Screw M2*2.5 Quantity 4 Replacing the LCD Cable 1. Adhere the touchscreen cable to the panel. Screw Type. Chapter 3 101 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 112
2. Adhere the LCD cable to the panel. 3. Connect the LCD connector to the panel. 4. Adhere the clear protective cover over the LCD connector. 102 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 113
5. Adhere the camera cable to the panel. Replacing the LCD Panel 1. Lay the LCD cable first through the hinge. 2. Lay the antenna cable through the hinge. Chapter 3 103 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 114
3. Connect the touchscreen FCP (1) and lay the panel down in the cover (2). 1 2 4. Replace the four (4) screws. Step LCD Panel Screw M2*4 Quantity 4 5. Connect the touchscreen cable. Screw Type. 104 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 115
6. Lock the touch screen FCP. Replacing the Microphone. 1. Adhere the microphone to the cover. 2. Connect the microphone cable. Chapter 3 105 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 116
3. Make sure the cable tie is tucked securely under the panel. Replacing the Camera Board 1. Connect the camera board to the connector. 2. Adhere the camera board to the cover. 106 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 117
Replacing the LCD Bezel 1. Place the bezel on the cover. 2. Press down on the bezel top edge. 3. Press down the bezel sides. Chapter 3 107 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 118
4. Press down the bezel bottom edge. 5. Replace the two screws. Step LCD Bezel Screw M2*5 6. Replace the screw covers. Quantity 2 Screw Type. 108 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 119
7. Insert the stylus. Chapter 3 109 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 120
Main Unit Reassembly Process Replacing the LCD Module 1. Lay the cables into the retention guides. The LCD cable first, then antenna cable on top. 2. Replace the five screws (5). Step LCD Module Screw M2*4 Quantity 5 Screw Type. 110 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 121
3. Turn the LCD module. 4. Lay the LCD cable in the retention guide. 5. Lay the antenna cable in the retention guide. Chapter 3 111 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 122
the RTC Battery 1. Push the RTC battery into the holder. Replacing the Thermal Module IMPORTANT: Ensure all heat pads are in place before replacing the Thermal Module. The following thermal pads are approved for use: • Eapus XR-PE 1. Remove all traces of thermal grease or pad adhesive from the - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 123
screws. First tighten the CPU captive screws in order: 1 then 2 then 3. Then tighten the two (2) other screws. 23 1 4. Connect the thermal module cable. Replacing the Speakers. 1. Lay the speaker cables into the retention guides and apply glue on the retention guide locations. Chapter 3 113 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 124
2. Place the speaker modules onto the bottom cover. 3. Replace the two (2) screws. Step Speaker Screw M2*3 Quantity 2 Screw Type. 114 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 125
Replacing the Mainboard 1. Connect the CRT board cable. 2. Replace the mainboard into the bottom cover inserting the external connector side first. 3. Replace the two (2) screws. Step Mainboard Screw M2*4 Quantity 2 Screw Type. Chapter 3 115 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 126
4. Connect the speaker connector. 5. Connect the LCD connector. 6. Adhere the clear protective LCD connector cover. 116 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 127
7. Connect the touchscreen cable. Replacing the CRT Board. 1. Connect the CRT cable. 2. Turn the CRT board over. Chapter 3 117 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 128
3. Place the CRT board into the cover. 4. Replace the one (1) screw. Step CRT Board Screw M2*4 Quantity 1 Replacing the LED Board 1. Place the LED board onto the cover. Screw Type. 118 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 129
IMPORTANT:Take special care that the slider switch is properly aligned in the bottom case switch cover. 2. Replace the two (2) screws. Step LED Board Screw M2*4 Quantity 2 Screw Type. 3. Replace the LED board cable in the main board connector. Chapter 3 119 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 130
4. Lock the mainboard connector. 5. Replace the LED board cable in the LED board connector. 6. Lock the LED board connector. 120 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 131
Replacing the Bluetooth Module 1. Adhere the Bluetooth module to the bottom cover. 2. Connect the Bluetooth cable to the Bluetooth module. 3. Connect the Bluetooth cable to the main board. Chapter 3 121 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 132
Replacing the I/O Board 1. Replace the I/O board inserting the external port side first. NOTE: Ensure the power slide switch is properly aligned in the switch cover. 2. Turn the LCD module. 122 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 133
3. Replace the one (1) screw. Step I/O Board Screw M2*4 Quantity 1 4. Turn the LCD module. Screw Type. 5. Replace the I/O cable in the main board connector. Chapter 3 123 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 134
6. Lock the main board connector. 7. Replace the I/O cable in the IO board. 8. Lock the I/O board connector. 124 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 135
Replacing the Button Board 1. Replace the button board. 2. Replace the two (2) screws. Step Button Board Screw M2*3 Quantity 2 3. Replace the touchpad cable in the touchpad connector. Screw Type. Chapter 3 125 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 136
4. Lock the touchpad connector. 5. Adhere the touchpad cable to the upper cover. 6. Replace the touchpad cable in the button board connector. 126 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 137
7. Lock the button board connector. 8. Replace the button board cable. 9. Adhere the button board cable to the upper cover. Chapter 3 127 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 138
10. Connect the button board cable to the button board connector. 11. Lock the button board connector. Replacing the Upper Cover 1. Replace the upper cover. 128 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 139
2. Press down on the left and right sides of the upper cover. 3. Press down on the bottom edge of the upper cover 4. Connect the button board cable. Chapter 3 129 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 140
5. Lock the button board cable. 6. Replace the ten (10) screws in the upper cover. Step Upper Cover Screw M2*5 (Red Call Out) Quantity 6 M2*2.5 (Green Call Out) 4 Screw Type. 130 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 141
7. Turn the computer over and replace the twenty-two (22) screws in the lower cover. Step Lower Cover Screw M2*5 (Red Call Out) Quantity 16 M2*4 (Green Call Out) 6 Screw Type. Replacing the Hinge Covers 1. Replace the hinge bezel. Chapter 3 131 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 142
2. Replace the hinge cap. 3. Replace the three (3) screws. Step Hinge Covers Screw M2*3 Quantity 3 Screw Type. 132 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 143
Replacing the Keyboard 1. Replace the keyboard FCP. 2. Lock the keyboard FCP. 3. Flip the keyboard over and insert the front edge of the keyboard. Chapter 3 133 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 144
4. Press down the keyboard top edge. Replacing the 3G Module 1. Replace the 3G module. 134 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 145
2. Replace the one (1) screw. Step 3G Module Screw M2*3 Quantity 1 3. Connect the cables (Blue cable connects to Aux). Screw Type. Chapter 3 135 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 146
Replacing the WLAN Module 1. Replace the WLAN card. 2. Replace the one (1) screw. Step WLAN Screw M2*3 Quantity 1 3. Connect the cables (Black cable connects to Main). Screw Type. 136 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 147
Replacing the DIMM 1. Replace the DIMM module. 2. Press down the DIMM module to lock into place. Replacing the Hard Disk Drive 1. Replace the HDD FCP. Chapter 3 137 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 148
2. Replace the HDD in the bay. 3. Adhere the black tape. 4. Replace the HDD FCP. 138 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 149
5. Lock the HDD FCP. Replacing the Module Cover 1. Insert the side of the module cover into the slots. Chapter 3 139 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 150
2. Replace the module, pressing firmly around the edges. 3. Tighten the six (6) captive screws. 140 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 151
Replacing the SIM Card 1. Insert the SIM card into the slot. Replacing the Battery 1. Insert the battery outer edge into the slots. 2. Push the battery down into place. Chapter 3 141 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 152
3. Lock the battery. Replacing the Dummy Card 1. Insert the dummy card into the slot. 142 Chapter 3 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 153
Troubleshooting Chapter 4 Common Problems Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer Go To Power On Issue Page 144 No Display Issue Page 145 LCD Failure Page 147 Internal Keyboard Failure Page - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 154
the problem. Do not replace non-defective FRUs: SSttaarrtt OK Check AC/Battery Power on OK Check Daughter/B & FFC Whether OK Swap AC /Battery NG non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point. 5. Remove any recently installed - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 155
problem. Do not replace non-defective FRUs: START Replace LCD Panel and No Cable LCD Module OK? Go to No Power Power On ? No troubleshooting , see "LCD Failure" on page 147. 5. Disconnect power and all external devices including port replicators or docking stations. Remove any memory cards and - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 156
same locations on the screen), the LCD is faulty and should be replaced. See "Disassembly Process" on page 34. 4. Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. NOTE: Ensure that the computer is not running on battery alone as this may reduce - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 157
, see "Online Support Information" on page 165. LCD Failure If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace nondefective FRUs: Start OK Check LCD module? OK Check MB LCD connector and cable ? Swap NG LCD cable /LCD panel OK Reassemble - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 158
Built-In Keyboard Failure If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Start Keyboard properly connected? No Disconnect and reconnect Keyboard functioning? No Replace Keyboard Replace mainboard 148 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 159
TouchPad Failure If the TouchPad doesn't work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Start OK Check M/B T/P FFC OK Check TouchPad Re-assemble the NG T/P FFC to M/B OK Swap/Reassemble NG the T/P board or T/P FFC Swap M/B - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 160
the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Start OK Check M/B SPK cable OK Other Devices. 3. Roll back the audio driver to the previous version, if updated recently. 4. Remove and reinstall the audio driver. 5. Ensure that all volume controls are - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 161
Restore. If the issue is not fixed, repeat the preceding steps and select an earlier time and date. 10. Reinstall the Operating System. 11. If the Issue is still not resolved, see "Online Support the problem. Do not replace non-defective FRUs: Start OK Check M/B Mic. cable OK Check MIC wire of LCD - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 162
screen displays. Click Next. f. Select the appropriate operating system, and click Next. NOTE: Click Load Drivers if problem. 4. Run the Windows Memory Diagnostic Tool. For more information see Windows Help and Support. 5. Restart the computer and press F2 to enter the BIOS Utility. Check the BIOS - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 163
, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or Volume Wheel fail, perform the following general steps to correct the problem. Do not replace non-defective FRUs: 1. Check whether the drive is OK. 2. Verify that the Test Fixture is ok. 3. Swap the main board and retest - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 164
them for damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module • PC Cards 4. Power-on the computer. 5. Determine - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 165
1 (Chipset\Alviso\MemoryInitAsm\IA32\IMEMORY.INC) 0x First memory check point A0 0x Enable MCHBAR 01 0x Check for DRAM initialization interrupt and reset fail 02 0x Verify all DIMMs are DDR or DDR2 and unbuffered 03 0x Detect an improper warm reset and handle 04 0x Detect if ECC SO - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 166
Verify burst length of 8 is supported by all DIMMs 14 0x Determine the smallest tWR supported by all DIMMs 15 0x Determine DIMM size parameters 16 0x Program the correct system memory frequency 17 0x Determine and set the mode of operation for the memory channels 18 0x Program clock - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 167
legacy boot is happening Wake up the APs Initialize SMM Private Data and relocate BSP SMBASE PC init begin at the stage1 Report every memory range do the hard ware ECC init Report status code of every memory range Get the root bridge handle Notify pci bus driver starts to program the resource Reset - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 168
mouse Report that the mouse is being enabled Peripheral removable media reset(ex:IsaFloppy, USB device) Peripheral removable media disable Peripheral once it is available Report that ExitBootServices() has been called Runtime driver set virtual address map Each PEIM entry point used in 80_PORT 0x - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 169
0x 16 0x 17 0x 18 0x19~0x1F 0x20~0x2E 0x2F PEI_S3_RESUME PEI_CLOCK_GEN PEI_OP_PRESENCE PEI_TPM_TCG PEI_FIND_FV PEI_H2O_DEBUG_IO PEI_H2O_DEBUG_COMM PEI_SMM_CONTROL PEI_RESERVED PEI_OEM_DEFINED PEI_DXE_IPL Each Driver entry point used in 80_PORT 0x 30 0x 31 0x 32 0x 33 0x 34 0x 35 0x 36 0x 37 0x 38 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 170
0x3D 0x3 E 0x 3F 0x 40 0x 41 0x 42 0x 43 0x 44 0x 45 0x 46 0x 47 0x 48 0x 49 0x4A 0x4B 0x4C 0x4D 0x4 E 0x 4F 0x 50 0x 51 0x 52 0x 53 0x 54 0x 55 SECURITY_STUB DXE_CPU_IO CF9_RESET PC_RTC STATUS_CODE VARIABLE EMU_VARIABLE DXE_CHIPSET_INIT DXE_ALERT_FORMAT PCI_HOST_BRIDGE PCI_EXPRESS DXE_SB_INIT - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 171
0x 56 0x 57 0x 58 0x 59 0x5A 0x5B 0x5C 0x5D 0x5 E 0x 5F 0x 60 0x 61 0x 62 0x 63 0x 64 0x 65 0x 66 0x 67 0x 68 0x 69 0x6A 0x6B 0x6C 0x6D 0x6 E 0x 6F PLATFORM_IDE SMBIOS MEMORY_SUB_CLASS MISC_SUB_CLASS CON_PLATFORM SAVE_MEMORY_CONFIG ACPI_SUPPORT CON_SPLITTER_UGA_VGA / CON_SPLITTER VGA_CLASS DATA_HUB - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 172
0x 70 0x 71 0x 72 0x 73 0x 74 0x 75 0x 76 0x 77 0x 78 0x 79 0x7A 0x7B 0x7C 0x7D 0x7 E 0x 7F 0x 80 0x 81 0x 82 0x 83 0x 84 0x 85 0x 86 0x 87 0x 88 USB_CBI1 USB_KB USB_MASS_STORAGE BUS_PCI_UHCI USB_MOUSE USB_BUS SETUP_UTILITY FW_BLOCK_SERVICE USB_LEGACY_PLATFORM GRAPHICS_CONSOLE TERMINAL - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 173
0x 89 0x8A 0x8B 0x8C 0x8D 0x8 E 0x 8F 0x 90 0x 91 0x 92 0x 93 0x94~0x9F 0xA0 0xA1 0xA2 0xA3 0xA4 0xA5 0xA6 0xA7 0xA8 0xA9 0xAA 0xAB 0xAC 0xAD 0xAE 0xAF 0xB0 0xB1 MONITOR_KEY PLATFORM_BDS FAULT_TOLERANT_WRITE UPDATE_DISPATCHER CHINESE TPM_S3_Resume USB_EHCI SNP_32_64 PXE_BC PXE_DHCP4 EBC RESERVED - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 174
0xC1 0xC2 0xC3 0xC4 0xC5 0xC6 0xC7 0xC8 0xC9 0xCA 0xCB 0xCC 0xCD 0xCE 0xCF 0xD0 0xD1 0xD2 0xD3 0xD4 0xD5 0xD6 0xD7 0xD8 0xD9 0xDA SMM_CONTROL SMM_BASE SMMAP SMMCORE SMM_DISPATCH SMM_START SMM_RUNTIME SB_SMM_DISPATCH SMM_THUNK SMM_ACPI_SW_CHILD SMM_SB_S3_SAVE SMM_PLATFORM SMM_GMCH_MBI - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 175
Item PJ2 PJ1 CN6 CN5 CN7 CN8 Description DC-in Battery connector LCD connector Touchscreen connector Bluetooth connector Speaker connector Item CN1 CN17 CN18 CN2 CN3 CN4 Description LED connector USB connector HDMI Keyboard connector Touchpad connector Card reader board connector Chapter 5 165 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 176
CN9 JSIM1 PJ1 CN16 PJ2 U17 U18 CN18 Description HDD connector SIM card connector Battery connector CRT DC-in CPU North Bridge GS45 HDMI connector Item CN17 CN14 CN13 CN10 CN22 CN23 U19 CN15 Description USB connector RTC battery connector Mini card for 3G Mini card for WLAN DRR2 DIMM2 DDR2 DIMM1 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 177
CMOS clears all user settings. 1. Disassemble the notebook and take out the Mainboard. See "Removing the Mainboard" on page 69. 2. Remove the RTC battery. See "Removing the RTC Battery" on page 73. 3. Turn the mainboard over, lift up the DIMM protective cover, and short the G3 pad. 4. Reconnect the - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 178
to the factory settings if a BIOS flash process fails. BIOS Recovery Hotkey The system provides a function hotkey: Fn+Esc, to enable the BIOS Recovery process when a system is powered on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery present. If - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 179
(Field Replaceable Unit) noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a Acer office on how to return it. Exploded Diagram Item 1 2 3 4 5 LCD cover LCD LCD Bezel Keyboard Module Upper Cover Description Chapter 6 Acer - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 180
Item 6 7 8 9 10 11 12 13 14 15 Description Battery Module CPU Chassis Assembly PCB Assembly Hard Disk Drive Assembly RAM DDR3 Module WLAN Module Adapter Bluetooth Module 3G Module Acer Part No. KH.16001.042 KN.1GB0B.019 KI.SPH01.005 AP.03001.001 BH.21100.004 170 Chapter 6 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 181
CATEGORY ADAPTER BATTERY PART NAME ACER PART NO. ADAPTER DELTA 30W 19V 1.7X5.5X11 BLACK ADP-30JH BA LF ADAPTER LITE-ON 30W 1.7X5.5X11 BLACK PA-1300-04AC LF ADAPTER TOUCH PANEL CCD CABLE POWER CORD US 3PIN ROHS POWER CORD UK 3PIN 27.TAXV7.001 27.A03V7.004 CASE/COVER/BRACKET ASSEMBLY Chapter 6 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 182
CATEGORY PART NAME ACER PART NO. SD DUMMY CARD BK 42.BCC07.004 172 Chapter 6 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 183
F/W:C60F Disk imbalance criteria = 0.014g-cm HDD WD 2.5" 5400rpm 500GB WD5000BEVT-22ZAT0 ML250 SATA LF F/W:01.01A01 ACER PART NO. KH.16001.042 KH.16004.006 KH.16007.026 KH.16008.022 KH.25001.016 KH.25004.003 KH.25007.016 KH.25008. - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 184
Black Belgium Texture Keyboard ACER NT1T JM11 87KS Black CZ/SK Texture Keyboard ACER NT1T JM11 86KS Black Chinese Texture Keyboard ACER NT1T JM11 87KS Black Danish Texture Keyboard ACER NT1T JM11 87KS Black French Texture Keyboard ACER NT1T JM11 87KS Black German Texture Keyboard ACER NT1T JM11 86KS - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 185
LP116WH1-TLA1 LF 200nit 8ms 500:1 LED LCD CMO 11.6" WXGA Glare N116B6-L02 C2 LF 200nit 10ms 500:1 ACER PART NO. LK.11605.003 LK.11606.001 LK.11608.001 LK.1160D.005 MEMORY Memory SAMSUNG SO-DIMM DDRIII 1066 1GB M471B2874DZ1-CF8 LF Memory SAMSUNG SO-DIMM DDRIII 1066 1GB M471B2873EH1-CF8 LF 64*16 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 186
Screwlist CATEGORY SCREW SCREW SCREW SCREW SCREW PART NAME SCREW M2.0*3.0-I(BKAG)(NYLOK IRON SCREW 2.0*4.0 SCREW M2.0*2.5-I(BUWZN) SCREW M2*5-I(BZN)(NYLOK) SCREW M2.0*4-I(BZN)(NYLOK)IRON ACER PART NO. 86.ARE07.002 86.W0107.003 86.TPK07.001 86.TG607.004 86.S6507.003 176 Chapter 6 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 187
Appendix A Model Definition and Configuration RO TWN AAP WW EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A Country GCTWN Acer Part No LX.PND02.003 Australia/ New Zealand WW LX.PND02.002 S2.PND02.001 France LX.PND02.001 Middle East LX.PL902.032 Middle - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 188
RO EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A Country Spain Acer Part No LX.PL902.045 Russia LX.PL902.044 Russia LX.PL902.043 Russia LX.PL902.042 France LX.PL902.041 Algeria LX.PL902.031 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 189
RO EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A AAP TWN WW Country Holland Acer Part No LX.PL902.017 Eastern Europe Czech LX.PL902.016 LX.PL902.015 Denmark LX.PL902.014 Cyprus LX.PL902.013 Eastern Europe Eastern - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 190
A CHIN A AAP AAP AAP AAP AAP Country WW WW WW USA WW WW GCTWN GCTWN Malaysia Malaysia Hong Kong China Singapore Singapore Singapore Singapore Singapore Acer Part No S2.PL907.002 S2.PNE02.001 S2.PNG02.001 LX.PNF07.001 S2.PNF02.001 S2.PNH02.001 LX.PNB02.013 LX.PNB02 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 191
RO AAP AAP AAP EME A WW EME A EME A CHIN A AAP AAP AAP CHIN A EME A AAP AAP AAP AAP Country Singapore Acer Part No LX.PNB02.005 Singapore LX.PNB02.004 Singapore LX.PNB02.003 Spain LX.PNB02.002 WW S2.PNB02.001 France LX.PNB02.001 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 192
AAP AAP AAP AAP AAP AAP Country Singapore Singapore Singapore Singapore WW Spain Hong Kong Malaysia Malaysia China Singapore Singapore Singapore Singapore Singapore Singapore Singapore Acer Part No LX.PNA02.007 LX.PNA02.006 LX.PNA02.004 LX.PNA02.003 S2.PNA02.001 LX.PNA02.002 LX.PNC02.014 LX.PNC02 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 193
France WW Australia/ New Zealand Australia/ New Zealand Australia/ New Zealand Australia/ New Zealand WW WW GCTWN Hong Kong Australia/ New Zealand Singapore Singapore Singapore Acer Part No LX.PNC02.003 LX.PNC02.002 S2.PNC02.001 LX.PNC02.001 S2.PN802.001 LX.PLM02.004 LX.PLM02.003 LX.PLM02 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 194
RO AAP AAP AAP AAP AAP EME A WW PA EME A EME A EME A EME A EME A EME A EME A EME A EME A Country Singapore Acer Part No LX.PN402.009 Singapore LX.PN402.008 Singapore LX.PN402.007 Singapore LX.PN402.006 Singapore LX.PN402.005 France LX.PN402.004 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 195
RO EME A Country South Africa Acer Part No LX.PN302.032 EME A South Africa LX.PN302.037 EME A South Africa LX.PN302.031 CHIN China A LX.PN302.057 CHIN Hong Kong - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 196
RO AAP EME A EME A WW PA EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A Country Singapore Acer Part No LX.PN302.045 UK LX.PN302.044 France LX.PN302.042 WW S2.PN302.001 Canada LX.PN302.041 Middle East LX.PN302. - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 197
RO EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A EME A Country Spain Acer Part No LX.PN302.020 Italy LX.PN302.017 Eastern Europe Holland LX.PN302.009 LX.PN302.014 Czech LX.PN302.012 Latvia LX.PN302. - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 198
RO AAP Country Philippines Acer Part No LX.PN502.011 CHIN Hong Kong LX.PN502.013 A CHIN China A LX.PN502.012 AAP Singapore LX.PN502.010 AAP Singapore LX.PN502. - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 199
UK EME A Germany AAP AAP AAP Australia/ New Zealand Australia/ New Zealand Thailand AAP Thailand TWN GCTWN AAP Singapore WW WW EME A Germany WW WW Acer Part No LX.PLN02.008 LX.PLN02.010 LX.PLN02.007 LX.PLN02.006 LX.PLN02.005 LX.PLN02.004 LX.PLN02.003 LX.PLN02 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 200
190 Appendix A - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 201
tests. Regarding configuration, combination and test procedures, please refer to the Aspire one series Compatibility Test Report released by the Acer Mobile System Testing Department. BRAND 3G Huawei Huawei A cover Accessory Adapter DELTA HIPRO Type UNDP-1 EM770W-MSFT EM770W ABS UV Black ABS UV - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 202
LF F/W:11.01A11 HDD WD 2.5" 5400rpm 500GB WD5000BEVT-22ZAT0 ML250 SATA LF F/W:01.01A01 Keyboard ACER NT-1T JV11 Internal 11 Standard Black NONE Texture Atheros AR8131L LED LCD AUO 11.6" WXGA Glare B116XW02 V0 1A (3G) LF 200nit 8ms 500:1 LED LCD CMO 11.6" WXGA Glare N116B6-L02 C2 LF 200nit 10ms 500 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 203
SP1x2HABG INTEL SP1x2HMW Description LED LCD SAMSUNG 11.6" WXGA Glare LTN116AT01-A01 LF 200nit 8ms Memory A-DATA SO-DIMM DDRIII 1066 2GB HY7YG1B1674ZM LF 128*8 0.065um Memory ELPIDA SO-DIMM DDRIII 1066 1GB EBJ10UE8BDS0AE-F LF 128*8 0.065um Memory ELPIDA SO-DIMM DDRIII 1066 2GB EBJ21UE8BDS0AE-F LF - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 204
5MB file. 3. Connect to Saturn and download a 100MB file. 1.Plug in TV tuner card. N/A N/A no support 2.make sure it can works. N/A N/A no support Display Port External Monitor - CRT View Sonic PF775 Graphic Series GT775 Philip 109P Dell 21" External Monitor - LCD COMPAQ FP 7317 17" (1024*768 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 205
no support N/A N/A no support N/A N/A no support N/A N/A no support Pass Pass 1. No yellow bang in device manager while you plug in. 2. Copy a 100MB file and check no lost. Pass N/A N/A Pass N/A N/A no device 1. Boot from FDD function ok. 2. Open my computer and you can see A: driver - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 206
AVerMedia AVerTV Hybrid Volar HX Level Driver Graceful Hot Surprise Cold S3 download a 5MB file. 3. Connect to Saturn and download a 100MB file. 1.Plug in TV tuner card. N/A N/A no support 16GB SanDisk SDHC 8GB SD Adapter SanDisk microSD(8GB) Adapter Sandisk SD Adapter MS Card Sandisk 64MB MS - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 207
Insert XD Card. Should be a driver letter pop up in my 1394 POWER to headphone. Docking Cable Docking PC Game L1 N/A Docking test case N/A N/A no support 1. Follow the install instruction. Make sure the game can will lag don't support don't support will lag 1. Follow the install instruction - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 208
N/A N/A no support monitor can't black disaply 8. Resolution must be kept after LCD/CRT switch or N/A N/A no support resume from S3/S4/Reboot N/A N/A no support N/A N/A no support N/A N/A no support N/A N/A no support N/A N/A no support N/A N/A no support 198 Appendix B - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 209
you convenient and valuable support resources whenever you need them. In the Technical Information section you can download information on all of Acer's Notebook, Desktop and Server models including: • Service guides for all models • User's manuals • Training materials • Bios updates • Software - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 210
200 - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 211
Replaceable Unit) List 169 H Hard Disk Drive Module Removing 45 Hibernation mode hotkey 12 Hot Keys 10 I Indicators 8 Intermittent Problems 154 Internal Microphone Failure 151 Internal Speaker Failure 150 J Jumper and Connector Locations 165 K Keyboard Removing 53 Keyboard Failure 148 L LCD Bezel - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 212
Touch Pad Failure 149 Troubleshooting Built-in KB Failure 148 202 Internal Microphone 151 Internal Speakers 150 LCD Failure 147 No Display 145 ODD 153 Other Failures 153 Power On 144 Touch Pad 149 USB 153 U Undetermined Problems 154 Upper Cover Removing 57 USB Failure (Rightside) 153 utility BIOS - Acer Aspire 1420P | Aspire 1420P and 1820PT Service Guide - Page 213
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