Acer AL1716 AL1716v Service Guide

Acer AL1716 Manual

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  • Acer AL1716 | AL1716v Service Guide - Page 1
    Acer AL1716 Service Guide
  • Acer AL1716 | AL1716v Service Guide - Page 2
    Service Guide Version and Revision No. Version Release Date Revision 1 1.0 Jun.-24-2005 Initial release 1
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    , manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically
  • Acer AL1716 | AL1716v Service Guide - Page 4
    Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service cables and AC power cord, if
  • Acer AL1716 | AL1716v Service Guide - Page 5
    and shall be easily accessible. Special Notes On LCD Monitors The following symptoms are normal with LCD monitor and do not indicate a problem. Notes Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make
  • Acer AL1716 | AL1716v Service Guide - Page 6
    7 LCD Monitor General Specification 8 LCD Panel Specification 9 Support Timing 10 Block Diagram 11 Main Board Diagram 12 Software Flow chart 13 Main Board Layout 15 Front Bezel 16 Rear Bezel 17 Chapter 2 Operating Instructions 18
  • Acer AL1716 | AL1716v Service Guide - Page 7
    Features Introduction Scope This specification defines the requirements for the 17" MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15 pin D-sub VGA connector. It also supports VESA DPMS power management and plug & play
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    otherwise specified. Ambient light Viewing distance Warm up time All specifications Fully functional Measuring equipment Control settings User brightness control User contrast control User red/white balance, Green/white balance and Blue/white balance control Power input Ambient temperature Analog
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    Specification Panel type Display size Display mode Pixel pitch Display dot Pixel clock Contrast ratio Brightness Response time (Tr+Tf) Display color Viewing angle Pc interface Signal connector Interface frequency Plug & play Power Input voltage Power Consumption 17 " active matrix color TFT LCD
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    LCD Panel Specification LCD Panel Model (M170EG01 V.8) Display Type active matrix color TFT LCD Resolution 1280x1024 pixels Display Dot 1280x (RGB) x 1024 Display Area 337.920mm(H) x 270.336mm(V) Pixel Pitch 0.264mm(H) x 0.264mm(V) Display Color 16.2M Colors Lamp Frequency 60KHz(typ.)
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    Modes There will be 20 total support modes to accommodate the above mode and other video modes within the frequency range of the monitor. 85Hz refresh rate Support Monitor should display 85Hz refresh rate mode as emergency mode. Monitor should display " Out of Range" warning menu at this mode
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    control logic and DDC. The Inverter board will drive the backlight of panel. CCFL Drive Power Board (Inverter, adapter Board) AC-IN 100V-240V Flat Panel and CCFL backlight Main Board Keyboard RS232 Connector For white balance adjustment in factory mode Host Computer Video signal, DDC 11
  • Acer AL1716 | AL1716v Service Guide - Page 13
    Main Board Diagram SST25VF010-204C-SAE OSD Control Interface (Keypad) LCD Interface Scaler TSUM16AK (Include: MCU, ADC, OSD etc) Crystal 14.318MHZ EEPROM 24C02 EEPROM AT24C16N D-SUB Connector 12
  • Acer AL1716 | AL1716v Service Guide - Page 14
    Software Flow Chart 1 Y 2 3 N 4 N 5 Y 6 N 7 8 Y 9 N 10 11 Y N 12 N 13 Y Y N 14 15 16 Y 17 N 18 19 Y 13
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    SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEPROM. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light. 12) Check the analog port, are there any signals coming? 13) Does the scalar send out an
  • Acer AL1716 | AL1716v Service Guide - Page 16
    Main Board Layout Label CN405 CN101 U401 X401 Part number 88G 35315F H 33G802724B H 56G 562100 93G 22 53 Description D-SUB 15PIN WAFER TSUM16AK CRYSTAL 14.318MHzHC-49U 15
  • Acer AL1716 | AL1716v Service Guide - Page 17
    Front Bezel EXTERNAL CONTROLS FRONT PANEL CONTROL Item 1. 2. 3. Description Auto Adjust / Exit < > Item 4. 5. 6. Description MENU/ENTER Power Indicator Power Button 16
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    Rear Bezel Item 1. 2. Description Power Cable Signal Cable 17
  • Acer AL1716 | AL1716v Service Guide - Page 19
    Chapter 2 Operating Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video
  • Acer AL1716 | AL1716v Service Guide - Page 20
    Front Panel Control • /Power Button: Press this button to turn the monitor ON or OFF. And display the monitor's state. • Power Indicator: Green - Power on mode. Orange - Off mode. • Menu / Enter: Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD
  • Acer AL1716 | AL1716v Service Guide - Page 21
    a Setting 1. Press the MENU-button to activate the OSD window. 2. Press < or > to select the desired function. 3. Press the MENU-button to select the function that you want to adjust. 4. Press < or > to change the settings of the current function. 5. To exit and save, select the exit function. If
  • Acer AL1716 | AL1716v Service Guide - Page 22
    position of the picture. V. Position Warm Cool Adjust the vertical position of the picture. N/A Recall Warm Color Temperature from EEPROM. N/A Recall Cool Color Temperature from EEPROM. User / Red Red Gain from Digital-register. User/ Green Green Gain Digital-register. User / Blue English
  • Acer AL1716 | AL1716v Service Guide - Page 23
    Auto Config (Analog-Only Model) Information N/A Auto Adjust the H/V Position, Focus and Clock of picture. Show the resolution, H/V frequency and input port of current N/A input timing. Reset Clear each old status of Auto-configuration and set the color N/A temperature to Cool. Exit N/A Exit OSD
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    Hot-Key "Auto", will show Please Wait This message, and the monitor do the auto config function. Input Not Supported Cable Not Connected When the Hsync Frequency, Vsync Frequency or Resolution is out of The monitor support range will show this message. This message will Be flying. Analog-Only
  • Acer AL1716 | AL1716v Service Guide - Page 25
    there is no video-input signal present. When there is no video input signals this monitor, following a time-out period, will automatically switch to an OFF mode. This reduces the monitor's internal power supply consumption. After the video input signal is restored, full power is restored and the
  • Acer AL1716 | AL1716v Service Guide - Page 26
    Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance. Disassembly Procedure Disassemble the base 1. Remove hinge cover. (Fig 1) 2. Remove four screws to release stand base. (Fig 2) Fig 1 Fig 2 25
  • Acer AL1716 | AL1716v Service Guide - Page 27
    Disassemble the front cover and rear bezel 1. Remove five screws to release back cover and front bezel. (Fig 3) 2. Remove connector wire with keyboard and main board. (Fig 4) Fig 3 Fig 4 26
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    Disassemble the shield Remove two screws to release the shield. (Fig 5) (Remove the shield as arrow direction). Fig 5 27
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    Disassemble the main board 1. Remove three screws to release main board. (Fig 6) 2. Remove connector wire with main board and panel. (Fig 7) Fig 6 Fig 7 28
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    3. Remove connector wire with main board and power board. (Fig 8) 4. Remove connector wire with main board and KEPC board. (Fig 9) Fig 8 Fig 9 29
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    Disassemble the power board 1. Remove four screws to release power board. (Fig 10) 2. Remove connector wire with power board and panel. (Fig 11) Fig 10 Fig 11 30
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    Disassemble the panel Remove four screws to release metal frame. (Fig 12) Fig 12 31
  • Acer AL1716 | AL1716v Service Guide - Page 33
    This chapter provides troubleshooting information for the AL1716: 1. No power No power Chapter 4 Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal NG OK Measure U701 PIN2=3.3V, U702 PIN2=3.3V Reinsert or check the power section NG
  • Acer AL1716 | AL1716v Service Guide - Page 34
    Measure U701 PIN2=3.3V U702 PIN2=3.3V OK NG X401 oscillate waveforms are normal OK NG Replace U701, U702 Replace X401 Check if the sync signal from computer is output and video cable is connected normally NG OK Replace U401 Input the sync signal of computer, or change the cable 33
  • Acer AL1716 | AL1716v Service Guide - Page 35
    have response from 0V to 5V When we switch the power switch from on to off OK Replace panel Check the PPWR panel power relative circuit, Q706, Q704 In normal operation, when LED =green, R725 NG Should =5 V, If PPWR no-response when the power switch Turn on and turn off, replace the U401-TSUM16AK
  • Acer AL1716 | AL1716v Service Guide - Page 36
    5. PWPC No Power No power Check AC line volt 110V or 220V NG OK Check AC line Check the voltage of C904(+) OK NG Check start voltage for the pin3
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    No Backlight Check C201 (+) =12V NG OK Change F902 Check Q203/D201 Check ON/OFF signal NG OK Check U201 pin9=12V ? Check Interface board NG OK Check the pin1 of U201 have saw tooth wave Change Q201 or Q202 NG
  • Acer AL1716 | AL1716v Service Guide - Page 38
    Information The following figure shows the connector locations on the monitor board: Chapter 5 1 5 6 10 11 15 15 - Pin Color Display Signal Cable (D-sub) PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. DESCRIPTION Red Green Blue Monitor Ground DDC-Return R-Ground G-Ground B-Ground PI N NO. 9. 10. 11
  • Acer AL1716 | AL1716v Service Guide - Page 39
    the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of
  • Acer AL1716 | AL1716v Service Guide - Page 40
    Exploded Diagram (Model: AL1716) 39
  • Acer AL1716 | AL1716v Service Guide - Page 41
    Part List Above picture show the description of the following component. Item Picture Description 1 BACK COVER Part No. 34G1578 RX B 2 STAND 34G1576 RX B 3 BEZEL 34G1577AQW B 4 BASE 34G1579 RX B 5 SCREW M1L1730 8128 6 SCREW Q1G 340 10128 40
  • Acer AL1716 | AL1716v Service Guide - Page 42
    Schematic Diagram Analog Input Chapter 7 11 12 13 14 15 HSI VSI 16 17 CN405 DB15 1 RED+ 6 RED- 2 GREEN+ 7 GREEN- 3 BLUE+ 8 BLUE- 4 PC5V 9 PC5V 5 VGA_CON 10 0.1uF DDC_WP Title TSUM16AK Size Document Number Rev B INPUT A Date: Monday, May 09, 2005 Sheet 1 of 5 41
  • Acer AL1716 | AL1716v Service Guide - Page 43
    NC/RB7 17 18 POWER 2 C426 C427 C428 0.1uF 0.1uF 0.1uF C429 0.1uF D401C430 0.1uF RLZ36B 1 KEY_A LED_A KEY_MENU KEY_LEFT KEY_C OUT-R+ OUT-R- CONN GND 42 1 2 D402 RLZ36B R477 1K` 1/16W R479 1K` 1/16W KEY_MENU KEY_LEFT KEY_C Title TSUM16AK Size Document Number Rev C SCALER A Date
  • Acer AL1716 | AL1716v Service Guide - Page 44
    9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 X V V V V V Table 1 AU 17 QDI 17 CPT 17 INNOLUX 15 HannStar 15 CPT 15 LG 15 Innolux 17" R90 NC 3.3V 0R 3.3V 0R 3.3V 0R 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RXO0+
  • Acer AL1716 | AL1716v Service Guide - Page 45
    Power Supply to used "Blue" parts circuit for VCC1.8V if you want to suppoert DDC PC5V f3unction when system power off 3,4 +5V LDO spec. The BAT42, Vf is OK but the If=200mA(forward current) can not meet current spec. For Date: TSUM16AK Document Number POWER Monday, May 09, 2005 Sheet VCC3.3 1 of
  • Acer AL1716 | AL1716v Service Guide - Page 46
    Drv Adj 1 5 NCP1203D60R2G NC R911 7 3.6K` 1/10W 4 2 Cs 3 GND Fb + C906 R909 100uF/25V 68` 1/10W 7 1O R920 NC R915 22` 1/10W Co., Ltd. Title 1.POWER OUTPUT 12V & 5 V Size Document Number Rev B PWPC1942AUA11P(715G1492-1) A Date: Sunday, May 22, 2005 Sheet 1 of 2
  • Acer AL1716 | AL1716v Service Guide - Page 47
    1K` 1/4W D209 1N4148 D208 1N4148 R228 1K` 1/4W AOC (Top Victory) Electronics Co., Ltd. Title 2. FOR 19" 4 LAMPS INVERTER Size Document Number PWPC1942AUA11P(715G1492-1) Date: Sunday, May 22, 2005 Sheet 2 of Rev A 2 is power GND is signal GND 46

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