Acer Aspire L350 Aspire L350 & Veriton 1000 Service Guide
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- Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 1
Aspire L350/Veriton 1000 Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire L350/Veriton 1000 service guide. Date January 9, 2007 Chapter Updates initial release II - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 3
may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. III - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 4
specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 5
are used in this manual: Screen messages Denotes actual messages that appear on screen. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 6
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 L350 | Aspire L350 & Veriton 1000 Service Guide - Page 7
11 Speakers 11 Hardware Specifications and Configurations 13 Power Management Function (ACPI support function 19 Dual Channel 20 Chapter 2 System Utilities 21 Entering Setup 22 Product Information 23 Standard CMOS Features 24 Advanced BIOS Features 26 CPU Feature 29 Hard Disk Boot Priority - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 8
and Wireless LAN Card . . .61 Removing the Thermal Module/CPU/Memory and the Main Board 62 Veriton 1000 Disassembly Procedure 66 CPU/Memory and the Main Board 74 Chapter 4 Troubleshooting 78 Power-On Self-Test (POST 79 POST Error Messages List 85 Error Symptoms List 87 Undetermined Problems - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 9
Chapter 1 System Specifications Overview AcerPower 1000 series is highly integrated desktop for the customers. If you want a simple, small size, not expensive working platform. AcerPower 1000 is definitely one of the best choices for you. AMD mobile Athlon 64x2 and Sempron processor enable this - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 10
/D-sub output T TV output (for Aspire L350) Mini PCI Slot T Slot Type: PCI 2.3 slot T Slot Quantity: for Mini-card (PCI Express):1; for Mini-PCI:1 IDE T Slot Type : SATA IDE connector T Slot Quantity : 2 T Storage Type support: HDD, (optional for Veriton 1000) DVD-ROM/Combo/DVD Dual/DVD SuperMulti - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 11
for Aspire L350)/Intel ICH8DO (for Veriton 1000) T LAN Chip : Intel 82556DC supports Giga LAN T Should be worked under 10/100/1000 Mbs environment T Integrated 1.25 GHz SERDES for 1000BASE-X fiber applic T Reserved disabled function on both hardware & BIOS side. Default is enabled USB T Controller - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 12
T System fan connector 4-pin T Power/LED FPIO 2*7 pin connector T GPIO for on button recovery T Intruder header T Other Connectors T 1 Intrusion switch T 1 recovery button For Veriton 1000 T Rear I/O Connectors T 1 DVI output T 1 RJ 45 LAN port T 4 USB ports T 1 5.1 channel phone jack T 1 microphone - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 13
T 2 USB connectors with 2*5 connectors T System fan connector 4-pin T Power/LED FPIO 2*7 pin connector T GPIO for one button recovery T Intruder header T Other Connectors T 1 Intrusion switch T 1 recovery button Chapter 1 5 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 14
CPU LGA 775 pin Analong Display RAMDAC: 400MHz Resolutions Up To 1920x1080@85Hz VGA to SDTV/EDTV/HDTV Resolutions Up To1600x1200 Scaleable Output 2 ports BW : 2GB/s (Support Lsoch) INTEL ICH8 BW : 133MB MINI PCI Slot 124pin @ AD25 MINI PCI-E Slot 52pin TI 1394 CONN/ HEADER System Block Diagram PCB - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 15
One Bottom Recovery header CPU Fan Connector Case Open header AMD M-2 CPU Socket Mini-PCI Connector 15 C51 16 MCP51 17 COMS_BAT Nvidia C51 NorthBridge Nvidia MCP51 SouthBridge COMS Battery Holder 18 CLS_CMOS Clear COMS Header 19 BUZZER System BUZZER 20 MINI_1394 Mini-1394 Header 21 F_USB2 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 16
AcerPower computer. Front view # 1 2 3 4 5 Component Power button Media activity LAN indicator Infrared port Multi Writable DVD drive 6 Drive eject button 8 Description Press to power on or power off the system. Indicates when the hard disk or optical drive is active. Indicates the status of - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 17
Accepts an XD (eXtreme Digital), SD (SecureDigital), MMC (MultimediaCard), MS (Memory Stick) or MS Pro (Memory Stick Pro) card. Warning: If you want to read contents from small form factor memory cards, such as mini-SD, RS-MMC, or MS Pro Duo you should use a suitable adapter. 12 IR (Infrared - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 18
audio system. Connects to an AC adapter. Connects to a Kensington-compatible computer security lock. Connects to an Ethernet 10/100/1Gbased network. Connect an IR blaster to the set-topbox°¶s IR sensor window. Connects to an IEEE 1394 device (e.g., digital video camcorder, hard disk, scanners - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 19
Peripherals The Aspire L350 and Veriton 1000 computer consist of the system itself, and system peripherals, like a mouse, keyboard and a set of speakers (optional). This section provides a brief description of the basic system peripherals. Mouse (PS/2 or USB, manufacturing option) The included - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 20
12 Chapter 1 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 21
Boot from CD-ROM feature Support to LS-120 drive Support to BIOS boot block feature BIOS Password Control Award Specification 8Mbit (=1MB for Aspire L350)/16Mbit (=2MB for Veriton 1000) 32-pin PLCC package USB 1.1, 2.0, ACPI 1.2, 2.0, LS-120 removable media support, SMBIOS 2.4, WFF 2.0 (wire for - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 22
RAM speed Full of the processor core clock frequency (Advanced Transfer Cache) L2 Cache function control Enable/Disable by BIOS Setup L2 Cache scheme Fixed in write-back LAN Interface Item LAN Controller LAN Controller Resident Bus LAN Port Function Control Specification Intel 82566DC support - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 23
the connectors Location USB Class Specification USB 2.0/1.1 Built-in Intel ICH8DH (for Aspire L350)/Intel ICH8DO (for Veriton 1000) 6 (for Aspire L350)/ 8 (for Veriton 1000) Rear : 2 (for Aspire L350)/ 4 (for Veriton 1000) Front : 4 (for Aspire L350)/ 4 (for Veriton 1000) Support legacy keyboard - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 24
Reserved for ROM on I/O Adapters Reserved for ROM on I/O Adapters Reserved for ROM on I/O Adapters Reserved for ROM on I/O Adapters Reserved for ROM on I/O Adapters Reserved for SCSI BIOS Reserved Onboard System ROM BIOS (ROM) System RAM BIOS (DRAM) Onboard DRAM Reserved for Memory Map I/O Card Non - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 25
778-77A Devices DMA Controller-1 Interrupt Controller-1 System Timer Keyboard Controller 8742 System Speaker CMOS RAM Address and Real Time Clock DMA Page Parallel Port Real Time Clock N N N PS/2 Mouse Numeric Processor Embedded Hard Disk Reserved NOTE: N - Not be used Add-On-Card Devices - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 26
Definition The protection ability of packing & cushion must be capable of withstanding, with no physical or functional damage, mechanical impact from height-specific drops. Test Standard see below table: Package Cross Weight Drop Height Not of Drop KGs lbs CM Inch 0~9.1 0~20 76 30 10 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 27
button. T CPU goes into SMM. T CPU asserts STPCLK# and goes into the Stop Grant State. T LED on the panel turns amber colour. T Hard disk drive goes into T ACPI specification 1.0b. T S0, S1, S3 and S5 sleep state support. T On board device power management support. T On board device configuration - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 28
Dual Channel VT x800 series support the Dual Channel Technology. After operating the dual channel technology, the bandwidth of memory bus will add double up to to the limitation of Intel chipset specifications. Memory Number Description 1 Only one DDR memory module is The Dual Channel Technology - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 29
. BIOS is a Window s-based utility that doesn't required users to boot to DOS before upgrading BIOS but directly download and update BIOS from the Internet. Control Keys wxyz e ^ Item { } l m p r t u Description Move to selection Select Item Main Menu: Quit and not save changes into CMOS Status - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 30
Entering Setup Once enter Award BIOS CMOS Setup Utility, the Main Menu (as figure below) will appear on the screen. Use arrow keys to select among the items and press to accept or enter the sub-menu. Phoenix - Award BIOS CMOS Setup Utility XProduct Information XPC Health Status XStandard - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 31
Product Information Product Name System S/N Main Board ID System BIOS Version SMBIOS Version BIOS Release Date Phoenix - Award BIOS CMOS Setup Utility Product Information Aspire L350 Item Help EG965RT R01-A0 2.3 Nov. 21, 2006 Menu Level X KLIJ :Move Enter: Select +/-/PU/PD :Value F10:Save - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 32
): IDE Channel SATA Channel Halt On Base Memory Extended Memory Total Memory Phoenix - Award BIOS CMOS Setup Utility Standard CMOS Features Mon, Nov 21 2006 11:08: interface devices data pathway. This parameter enables you to control the system stops in case of Power On Self Test errors (POST) - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 33
Parameter Base Memory Extended Memory Total Memory Description The amount of RAM that comes with each model N/A of a particular computer. The base memory can usually be upgraded to a significantly higher amount. For example, a desktop machine with 64MB might be upgradable to 768MB. N/A N/A Options - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 34
Advanced BIOS Features The following screen shows the Advanced BIOS Features: Phoenix - Award BIOS CMOS Setup Utility Advanced BIOS Features X CPU Feature [Press Enter] X Hard Disk Boot Priority [Press Enter] X Network Boot Priority [Press Enter] CPU L1 & L2 Cache [Enabled] CPU L3 Cache - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 35
useful as a troubleshooting tool, especially when you are overclocking your processor Enabled Disabled This BIOS feature controls the Floppy, LS120, Hard Disk, CD-ROM, device where BIOS attempts to load the disk ZIP, USB-FDD, USB-ZIP, USB- operating system. CDROM, USB-HDD, LAN, Disabled This - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 36
PCI bus on a motherboard that doesn't come with a PCI bridge. You should only leave it as 1.1 only if you are running an older operating system that only supports MPS 1.1. 1.1, 1.4 HDD S.M.A.R.T. Capability This BIOS feature controls support for the hard disk's S.M.A.R.T. (Self Monitoring - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 37
screen or not Enabled Disabled CPU Feature The following screen shows the Advanced BIOS Features: Options Phoenix - Award BIOS CMOS Setup Utility CPU management function for CPU. Enabled Disabled When the computer is booted up, the operating system executes the CPUID instruction to identify - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 38
The operating system will send out HLT command to the processor while the system loading is specific to Intel's implementation. AMD's implementation is called NX, short for No Execute. Enabled Disabled When enabled, the processor prevents the execution of code in data-only memory this BIOS feature - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 39
Disk Boot Priority The following screen shows the hard disk boot priority: Phoenix - Award BIOS CMOS Setup Utility Hard Disk Boot Priority 1. Bootable Add-in Cards Item Help Menu Level X Use or to select a device, then press to to move it up, or to - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 40
Network Boot Priority The following screen shows the network boot priority: Phoenix - Award BIOS CMOS Setup Utility Network Boot Priority 1. Legacy Lan Cards Item Help Menu Level X Use or to select a device, then press to to move it up, or to move it down the list. Press < - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 41
because modern operating systems like Microsoft Windows XP do not need to communicate with the hardware via the BIOS. Current operating systems make use of drivers to access the hardware directly. Therefore, it would be a waste of the Level 2 cache's bandwidth if the motherboard BIOS was cached - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 42
reduces the total amount of memory available to the operating system by 1MB. Please note that in certain motherboards, enabling this feature may actually render all memory above the 15th MB unavailable to the operating system! If you disable this feature, the 15th MB of RAM will not be reserved - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 43
Frame Buffer Size Description Options This BIOS feature controls the amount of system memory that is allocated to the integrated graphics processor when the system boots up. However, its effect depends on whether your motherboard supports the older Unified Memory Architecture (UMA) or the new - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 44
. When set to Both, the graphics driver will allocate a fixed amount of memory as dedicated graphics memory, as well as allow more system memory to be dynamically allocated between the graphics processor and the operating system. It is recommended that you set this BIOS feature to DVMT for maximum - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 45
mode, the graphics driver automatically allocates a total of 128MB of graphics memory. When set to 64MB, up to 64MB of system memory can be used as graphics memory. When set to 128MB, up to 128MB of system memory can be used as graphics memory. Generally, you can leave this BIOS feature at the - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 46
. Phoenix - Award BIOS CMOS Setup Utility Integrated Peripherals SATA Mode USB Controller AHCI [Enabled] Item Help USB 2.0 Controller [Enabled] Menu Level X USB Keyboard Support [Enabled] USB Mouse Support [Enabled] Onboard 1394 Controller [Enabled] Onboard LAN Controller [Enabled - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 47
the system supports USB 2.0 Enabled : Enable USB 2.0 Controller Disabled : Disable USB 2.0 Controller This BIOS feature determines if support for the Enabled USB keyboard/mouse should be provided or not. Disabled This BIOS feature enables or disables the motherboard's onboard 1394/LAN controller - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 48
the motherboard's APIC (Advanced Configuration and Power Interface). The ACPI provides multiprocessor support, more IRQs and faster interrupt handling. Options Disabled Enabled However, it is only supported by newer operating systems like Microsoft Windows NT, Windows 2000 and Windows XP. Older - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 49
Parameter Soft-Off by PWR-BTTN Energy Lake Function Wake-Up by Onboard Lan Description Options This feature allows users to configure the power button function. Instand-off : Press down button then power off instantly Delay 4 Sec. : Press power - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 50
BIOS automatically selects all the devices Plug & Play compatible specifying their Interrupt and DMA. If you selected the manual setting, you can specify the device for each interrupt it is assigned to (ISA o PCI); this is the same for DMAs. Auto (ESCD), Manual Enable this option to correct screen - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 51
PC Health Status Phoenix - Award BIOS CMOS Setup Utility PC Health Status XAdvanced Fan Speed Control CPU FAN Speed SYS FAN Speed CPU core voltage +3.3V +5V +12V DIMM voltage CPU Tempature Shutdown Tempature [Press Enter] 2871 RPM 2719 RPM 1.28V 3.28V 5.10V 12.08V 1.76V 58OC [Disabled] Item Help - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 52
Parameter Auto Detect PCI Clk Spread Spectrum CPU Host/SRC/PCI Clock Description To reduce the occurrence of electromagnetic interference (EMI), the BIOS detects the presence or absence of components in DIMM and PCI slots and turns off system clock generator pulses to empty slots. Enabled - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 53
field loads the factory defaults for BIOS and Chipset Features which the system automatically. detects. Phoenix - Award BIOS CMOS Setup Utility XProduct Information XPC Health Status XStandard CMOS Features XFrequency Control XAdvanced BIOS Features Load Default Settings XAdvanced Chipset - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 54
screen to assist you in creating a password. Phoenix - Award BIOS CMOS Setup Utility XProduct Information XPC Health Status XStandard CMOS Features XFrequency Control XAdvanced BIOS password can be used to start the system or modify the CMOS settings. The User password can also start the - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 55
in the Setup Utility and exit the Setup Utility. CMOS Setup Utility - Copyright (C) 1984-2005 Award Software XProduct Information XPC Health Status XStandard CMOS Features XFrequency Control XAdvanced BIOS Features Load Default Settings XAdvanced Chipset Features Set Supervisor Password - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 56
Utility - Copyright (C) 1984-2005 Award Software XProduct Information XPC Health Status XStandard CMOS Features XFrequency Control XAdvanced BIOS Features Load Default Settings XAdvanced Chipset Features Set Supervisor Password XIntegrated Periphera Quit Without Saving(Y/N)? Y Password - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 57
Chapter 3 Machine Disassembly and Replacement This chapter will guide you how to disassemble and Reassemble the Aspire L350/Veriton 1000. To disassemble the computer, you need the following tools: T Wrist grounding strap and conductive mat for preventing electrostatic discharge. T Wire cutter. T - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 58
General Information Before You Begin 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 from the system. 50 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 59
Procedure This section tells you how to disassemble the system when you need to perform system service. Please also refer to the disassembly video, if available. CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. Removing the Stand Assembly - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 60
Removing the Top Cover and Front Bezel Assembly 1. Remove the screw fastening the top cover. 2. Remove the top cover from the system. 3. Pull up the three locks as shown. 52 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 61
4. Detach the front bezel from the system. 5. Place the front bezel as shown. 6. Release the hooks holding the PCB card. Chapter 3 53 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 62
7. Detach the PCB card from the left side. You can then remove the front bezel. Removing the RF Keyboard/Mouse Antenna and ODD Module 1. Remove the two screws holding the RF keyboard/mouse antenna. 54 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 63
keyboard/mouse antenna as shown. 3. If you only need to remove the ODD module, you can remove the screw holding the ODD module to the system as shown. 4. Then push the ODD module outwards as shown. 5. Remove the two screws fastening the ODD bracket to the ODD. Chapter 3 55 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 64
6. Detach the ODD bracket from the ODD. Removing the Cage Assembly 1. Remove the three screws holding the cage assembly to the system. 2. There are four fastening hooks holding the cage assembly. 3. See the closeup for the fastening hooks below. 56 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 65
4. Push the cage assembly outwards (step 1), then hold the cage plastic belt to lift the cage assembly (step 2). 2 1 1 5. Disconnect the cables as shown. 6. Disconnect the cables. Chapter 3 57 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 66
7. Lift the cage assembly. 8. Disconnect the antennae then remove the cage assembly. Removing the HDD and the MCE Board 1. Remove the two screws holding the MCE board to the HDD/ODD bracket. Then detach the MCE board and disconnect the MCE cable from the MCE board. 58 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 67
2. Remove the four screws holding the HDD to the HDD/ODD bracket. 3. Push the HDD out of the HDD/ODD bracket. 4. Remove the screw fastening the ODD transfer board on the HDD/ODD bracket, then push the ODD transfer board to the left to detach the board. Chapter 3 59 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 68
Removing the Front IO Assembly 1. Disconnect the cables as shown. 2. Remove the screw fastening the front IO assembly to the system. 3. Pull out the IO assembly as shown. 60 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 69
reader (one screw) to the IO bracket. Then detach the IO board and card reader. Removing Cables/TV Tuner Board/TV Tuner Card and Wireless LAN Card 1. Cut off the cable ties and disconnect the cables from the system. 2. Remove the two screws fastening the TV tuner board. Chapter 3 61 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 70
3. Disconnect the antennae and detach the TV tuner board. 4. Pop out the TV tuner card and detach the wireless LAN card from the main board. Removing the Thermal Module/CPU/Memory and the Main 62 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 71
indicating by the numbers).Then detach the heat sink from the main board. 41 23 NOTE: The thermal module on the headline refers to the system fan and the heat sink. 4. Release the CPU lock and remove the CPU from the socket. Chapter 3 63 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 72
5. Pop out the memories and remove them from the main board. 6. Remove the four screws and one fastening screw holding the main board to the chassis. 7. Lift the main board as shown then detach the main board from the chassis. 64 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 73
Chapter 3 65 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 74
Veriton 1000 Disassembly Procedure This section tells you how to disassemble the system when you need to perform system service. Please also refer to the disassembly video, if available. CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 75
Removing the Top Cover and Front Bezel Assembly 3. Remove the screw fastening the top cover. 4. Remove the top cover from the system. 5. Pull up the three locks as shown. Chapter 3 67 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 76
1 6. Place the front bezel as shown. 2 7. Release the two hooks highlighted with red circles, then detach the cable from the front bezel. Removing the ODD Module 1. Remove the screw holding the ODD module to the system. 68 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 77
2. Push the ODD module outwards and remove it from the system. 3. Remove the two screws holding the ODD bracket to the ODD. 4. Turn over the ODD module (with ODD bracket) and detach the ODD module as - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 78
Removing the Cage Assembly 1. Remove the three screws holding the cage assembly to the system. 2. There are four fastening hooks holding the cage assembly. 3. See the close-up for the fastening hooks below. 4. Push the cage assembly outwards, then hold - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 79
5. Disconnect the cables and remove the cage assembly. Removing the HDD and ODD Transfer Board 1. Disconnect the four screws fastening the HDD to the HDD/ODD bracket. 2. Detach the HDD from the HDD/ODD bracket. 3. Remove the screw fastening the ODD transfer board on the HDD/ODD bracket, then push - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 80
Removing the Front IO Assembly 1. Disconnect the cables from the main board as shown. 2. Remove the screw holding the front IO assembly to the chassis. 3. Pull out the front IO assembly from the chassis. 4. Then push to the right to remove the front IO assembly. 72 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 81
5. Remove the two screws holding the front IO USB board and the bracket. Removing the Cables 1. Cut off the cable ties and remove the cables. 2. Remove the screw fastening the power switch cable to the chassis. Chapter 3 73 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 82
3. Disconnect the power switch cable from the main board and remove the cable. Removing the Thermal Module/CPU/Memory and the Main Board 1. Disconnect the system fan power cable. 2. Remove the four screws holding the system fan on the rear side. Then detach the fan from the system. 74 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 83
by the numbers).Then detach the heat sink from the main board. 41 23 NOTE: The thermal module on the headline refers to the system fan and the heat sink. 4. Release the CPU lock and remove the CPU from the socket. 5. Pop out the memories and remove them from the main board. Chapter 3 75 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 84
6. Remove the four screw nuts on the rear side. 7. Remove the four screws and one fastening screw holding the main board to the chassis. 8. Lift the main board as shown then detach the main board from the chassis. 76 Chapter 3 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 85
Chapter 3 77 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 86
Troubleshooting This chapter provides troubleshooting information for the Aspire L350/Veriton 1000 T Power-On Self-Test (POST) T Index of Error Message T Index of Error Symptoms T Undetermined Problems Chapter 4 Chapter 4 78 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 87
memory subsystem T Direct Memory Access (DMA) controller T Interrupt system T Three programmable timers T ROM subsystem T RAM subsystem T CMOS RAM subsystem and real time clock/calendar with battery backup T Onboard parallel interface controller T Embedded hard disk interface and one diskette drive - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 88
Reserved 1. Blank out screen 2. Clear CMOS error flag Reserved 1. ). 3. Reset keyboard for Winbond 977 series Super I/Q chips. Reserved Reserved Reserved Test support. Reserved Use walking 1's algorithm to check out interface in CMOS CPU information including brand, SMI type (Cyrix or Intel) and CPU - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 89
0-640K memory address. 2. Initialize the APIC for Pentium class CPU. 3. Program early chipset according to CMOS setup. Example: onboard IDE controller. 4. Measure CPU speed. 5. Invoke video BIOS. Reserved Reserved Reserved 1. Initialize multi-language 2. Put information on screen display, including - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 90
, adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical. Reserved Initialize USB Reserved Test all memory (clear all extended memory to 0) Reserved Reserved Display number of processors (multi-processor platform) Reserved 1. Display PnP logo - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 91
can users enter the CMOS setup utility. Reserved Reserved Reserved Reserved Initialize PS/2 Mouse Reserved Prepare memory size information for function call (Optional Feature) Enter AWDFLASH.EXE if: -AWDFLASH is found in floppy drive -ALT+F2 is pressed Reserved Detect & install all IDE devices: HDD, - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 92
1. Switch back to text mode if full screen logo is supported. -If errors occur, report errors & wait CMOS. Initialize ISA PnP boot devices. 1. USB final Initialization 2. NET PC: Build SYSID structure 3. Switch screen back to text mode. 4. Set up ACPI table at top of memory. 5. Invoke ISA adapter - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 93
most likely cause. BIOS Messages BIOS ROM checksum error - System halted CMOS Battery Failed CMOS Checksum Error- defaults loaded CPU at nnnn Display switch is set incorrectly Press ESC to skip memory test Floppy disk(s) fail HARD DISK initializing - Please wait a moment HARD DISK INSTALL FAILURE - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 94
giving specifics about the type and location of the memory error. If the system cannot boot using the current CMOS configuration, the BIOS can override the current configuration with a set of BIOS defaults designed for the most stable, minimal-performance system operations. System OEMs may replace - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 95
BIOS Setup and load default settings. In Windows Systems, check settings in Power Management Property of Control Panel. 2. Reload software from Recovery CD. Blinking cursor only; system does not work. 1. Diskette/IDE drive connection/cables 2. Diskette/IDE disk drives 3. See "Undetermined Problems - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 96
the system power on, measure the voltage of hard disk LED connector. 2. Hard drive LED cable. CD/DVD-ROM Drive NOTE: Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, cable/jumper are set correctly and its laser beam is clean before diagnosing any CD/DVD-ROM drive problems. CD/DVD - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 97
the headphone jack of the CD/DVD-ROM has an output. 2. Turn up the sound volume. 3. Speaker power/connection/cable. 4. CD/DVD-ROM drive. Real-Time Clock Real-time clock is inaccurate. 1. Ensure the information in the Standard CMOS Feature of BIOS Setup is set correctly. 2. RTC battery. 3. Main - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 98
Error Symptom Display problem not listed above (including blank or illegible monitor). Action/FRU 1. "Monitor" 2. Load default settings (if screen is readable). 3. Main board Chapter 4 90 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 99
same as the setting in BIOS Setup. 2. Loop-back. 3. Main board. Printing failed. 1. Ensure the printer driver is properly installed. Refer to the printer service manual. 2. Printer. 3. Printer cable. 4. Main board. Printer problems. 1. Refer to the service manual for the printer. Keyboard Some - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 100
If you still cannot solve the problem, continue with this check: 1. Check the power supply Acer devices T External devices T Any adapter card (modem card, LAN card or video card, if installed) T CD/DVD-ROM drive T Diskette drive T Hard disk drive T DIMM T Processor T Main board 11. Power on the system - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 101
R Clear COMS Header 5 DVI_ADUIO DVI and Audio Connector 19 BUZZER System BUZZER 6 TVOUT_SPDIF TV OUT and SPDIF Header 20 MINI_1394 Mini-1394 Header 7 FRONT_AUDIO Front Audio Header 21 F_USB2 Front USB*2 Header 8 LAN_USB2 LAN and USB*2 Conncetor 22 F_USB2 Front USB*2 Header 9 USB2 USB - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 102
Case Open header AMD M-2 CPU Socket Mini-PCI Connector Clear CMOS Jumper (JP2) Settings Location JP2 Symbol 1 2 3 26 F_LED_HD 27 DIMM_SOCK1 28 DIMM_SOCK2 Front LED Panel Header DIMM_SOCK1 DIMM_SOCK2 Description 1-2 Normal 2-3 Clear CMOS Function Clear CMOS Location and Header Type CPU_FAN1 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 103
Location and Header Type USB3 USB4 1 2 3 4 5 6 7 8 10 AUDIO1 1 2 3 4 5 6 7 8 10 1394CN1 1 2 3 4 5 6 7 9 10 1 2 3 4 5 6 7 8 10 Pin and Signal Name Pin Signal Name 1 USBPWR1 3 USBP2N 5 USBP2P 7 GND Pin Signal Name 2 - Acer Aspire L350 | Aspire L350 & Veriton 1000 Service Guide - Page 104
Location and Header Type SPI2 CR1 1 2 3 4 5 6 7 8 10 1 2 3 4 Pin and Signal Name Pin Signal Name 1 S_VIDEO_Y 3 AUDIO_R_IN 5 AUDIO_L_IN 7 GND Pin Signal Name 2 S_VIDEO_C 4 GND 6 COMP_IN 8 GND 10