Acer AL2616Wv Service Guide 1
Service Guide Version and Revision Version A00 Release Date Revision History TPV model Initial Release TE6GMHDBWBABNP Sep-29-2006 2
Copyright Copyright © 2006 by Acer Incorporated. All rights reserved. No part of this publication 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. Disclaimer The information in this guide is subject to change without notice.
Preface Before using this information and the product it 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's "global" product offering. To better fit local market requirements and enhance product competitiveness, your regional office may have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability).
Precautions z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance. Use only a trolley or stand recommended by the manufacturer or sold with the monitor. If you mount the monitor on a wall or shelf, uses a mounting kit approved by the manufacturer and follow the kit instructions.
Table Of Contents Chapter 1 Chapter 2 Monitor Features ………………………………………… 6 Introduction ……………………………………… 7 Electrical Requirements ……………………………………… 8 LCD Monitor General Specification ……………………………………… 9 LCD Panel Specification ……………………………………… 11 Support Timing ……………………………………… 13 Monitor Block Diagram ……………………………………… 14 Main Board Diagram ……………………………………… 15 Software Flow chart ……………………………………… 16 Main Board Layout ……………………………………… 18 Front Bezel ……………………………………… 19 Rear Bezel ……
Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 19” MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15-pin D-sub VGA connector and 24-pin DVI connector, also supports VESA DPMS power management and plug & play function. There is a build-in stereo audio amplifier with OSD control to drive a pair of speakers.
Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light : Dark room Viewing distance : 40 cm for LCD performance, 20 cm for LCD failures All specifications : ＞30 minutes Fully functional : 5 seconds Measuring equipment : Chroma 7120 signal generator or equivalent, directly Warm up time Connected to the monitor under test.
LCD Monitor General Specification 9
LCD Panel Specification General Specifications Mechanical Characteristics 11
Optical Specifications Inverter Electrical characteristics 12
Supported Timing VESA MODES Horizontal Mode VGA SVGA XGA SXGA WSXGA Resolution Total Vertical Nominal Sync Nominal Sync Nominal Frequency Polarit Freq. Polari Pixel Clock +/- 0.5kHz y +/- 1 Hz ty (MHz) 640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175 640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 640x480@75Hz 840 x 500 37.500 N 75.00 N 31.500 800x600@56Hz 1024 x 625 35.156 N/P 56.250 N/P 36.000 800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.
Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and keypad board which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel and the DC-DC conversion, The Adapter will provides the 12V DC-power to inverter/power board. Flat Panel and CCFL Drive.
Main Board Diagram LCD Interface Crystal 24.576MHZ MCU MTV416GMV Scalar MST9251HA-LF Crystal 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 14 15 Y 17 18 N 19 Y 16 N 16
Remark: 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and 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.
Main Board Layout Symbol Description Symbol U401 IC MST9251HA-LF-205 PQFP-208 MST U303 U404 *G690H293T73 SOT-23 RN305 RST CHIP AR 8P4R 100 OHM +-5% 1/16W U705 GM6605-2.5TA3R TO-263 GAMMA CN401 WAFER 16PIN 2.0mm DIP U101 M24C02-WMN6TP CN701 WAFER PH-12 U402 MTV416GMV CN407 WAFER 30P 2.0MM RIGHT ANGLE U405 CAT24WC08W SOIC-8 CN102 DV1 CONNECTOR 24PIN U701 GM6605-3.3TA3 CN101 D-SUB 15PIN U702 GM6605-3.3TA3 CN403 WAFER 2*5P 2.
Chapter 2 Adjusting the viewing angle • For optimal viewing it is recommended to look at the full face of the monitor, then adjust the monitor’s angle to your own preference. • Hold the stand so you do not topple the monitor when you change the monitor’s angle. • You can able to adjust the monitor’s angle from -5° to 15°, NOTES • Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen.
Rear Bezel Item Description 1. Power Cable 2. Signal Cable 3.
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 cable from the monitor to the video card. • Press the power button to turn on the monitor position. The power indicator will light up. External Controls Item Description Item Description 1.
Front Panel Control • Power Button: Press this button to turn the monitor ON or OFF. And display the monitor’s state. • Menu / Enter: Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON . • <: Navigate through adjustment icons when OSD is ON or adjust a function when function is activated. • >: navigate through adjustment icons when OSD is ON or adjust a function when function is activated. • Auto Adjust button / Exit: 1.
Adjusting the Picture How to Adjust a Setting 1. Press the MENU-button to activate the OSD window. 2. Press 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.
b.
Hot-Key Menu a. Outline b. The Description For Hot-Key Function Item Operation Icon When the OSD is closed, press Left or Description Volume of Audio adjustment. The Audio will be Volume Right button will be Volume Hot-Key Mute when volume=0 Function OSD Message a. Outline b. The Description For OSD Message Item Description Auto Config When Analog signal input, if User Press Hot-Key “Auto”, will show this message, and the Please Wait monitor do the auto config function.
Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities. The DDC2B is a bi-directional data channel based on the I²C protocol.
Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance. Disassembly Procedure 1. Remove the screws to release base stand. (Fig 1) 2. Remove the screws to release back cover.
3. Remove the screws to remove the shield.
Fig 6 4. Remove the screws to remove the front bezel.
Fig 8 6. 7. Remove the screws to remove main board.. (Fig 9) Remove the screws to remove power board.
Fig 10 8. Remover the screws connect with panel to remove the main frame and the ground wire. (Fig 11) 9. Remove the screws to remove the main frame.
Fig 12 Fig 13 Fig 14 Fig15 33
Chapter 4 Troubleshooting This chapter provides troubleshooting information for the AL2616W: 1. No Power No power Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the power section NG OK Measure U701 Pin 2=3.3V, U702 Pin 2=3.3V,U705 Pin 2=3.3V.
2. No Picture No picture Measure U701 PIN2=3.3V U702 PIN2=3.3V,U705 PIN2=3.
3. Panel Power Circuit Check the PPWR panel power relative circuit,Q702, Q705 Check CN407 PIN 23-24 should have response from 0V to 5V When we NG switch the power switch from on to off Q703 In normal operation, when LED =green, R706 Should =5 V, If PPWR no-response when the power switch Turn on and turn off, replace the U401-MST9251A OK Replace panel 4.
5.
6. No Backlight Check C801 (+) =12V OK Change F901 Check Q803 NG Check ON/OFF signal NG Check Interface board OK Check IC801 pin9=12V ? NG Change Q801 or Q802 OK Check the pin1 of IC201 have saw tooth wave NG Change IC801 OK Check D801 (-) has the output of square wave at short time.
Chapter 5 Connector Information The following figure shows the connector locations on the monitor: 1 5 6 10 11 15 15 – Pin Color Display Signal Cable (D-sub) Pin No. Description Pin No. Description 1. Red 9. +5V 2. Green 10. Logic Ground 3. Blue 11. Monitor Ground 4. Monitor Ground 12. DDC-Serial Data 5. DDC-Return 13. H-Sync 6. R-Ground 14. V-Sync 7. G-Ground 15. DDC-Serial Clock 8. B-Ground 24 – Pin Color Display Signal Cable (DVI) Pin No. Description Pin No.
Chapter 6 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL2616W.Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available on your regional web or channel (http://aicsl.acer.com.tw/spl/).
Exploded Diagram (Model: AL2616W) 41
Part List Above picture show the description of the following component.
5 Power Board 6 Main Board 43
Chapter 7 Schematic Diagram Main Board Graphics/ Components In DVI CONNECTOR D106 D107 D110 D111 D112 ZD112 0.1uF 1 C123 2 1 0.1uF 2 C118 1 C122 0.1uF 0.1uF 2 D109 1 C117 2 D108 1 2 C121 0.1uF 1 2 C116 0.1uF 1 2 C120 0.1uF 1 2 C115 0.1uF UDZS5.
Frame Memory +2.5V_DMQ +2.5V_DMC C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF GND +2.
MCU KeyPad connector For Bank Select Syntek 128kB Issue C430 1uF VMCU 1 2 3 4 A0 A1 A2 VSS 8 7 6 5 VCC WP SCK SI 1/10W R408 1/10W R409 4.7K 1/10W WP R410 R411 100 100 VMCU 2 2 5 5 6 6 1/10W 1/10W 10K 10K 1/10W 1/10W 1/10W 10K 10K 10K PS_ON LED_O LED_G 23 34 P4.0 P4.1 WP R416 1/10W 1/10W 1/10W 1/10W 1/10W 10K 10K 10K 10K 2 2 RXD TXD RD WR RD WR VMCU VGA_SDA VGA_SCL 2 2 RXD TXD 2 2 WP_DDC 2 5 5 C440 1uF VMCU Near the VGA Connector.
MST9251A CONNECTOR for PANEL +3.3DV1 AVDD_PLL 6 AVDD_PLL VDD_MPLL 6 6 VDD_MPLL +3.3DV2 6 AVDD_DVI AVDD_DVI 2 2 DVI_SDA DVI_SCL VGA INPUT 2 2 2 2 2 2 2 2 2 BLUE0BLUE0+ GREEN0GREEN0+ SOG0 RED0RED0+ AHS0 AVS0 C427 0.1uF C428 R434 MCU INTERFACE HWRESET 4 4 4 4 4 4 HWRESET INT ALE RD WR AD[0..3] AD[0..3] HWRESET INT ALE RD WR AD0 AD1 AD2 AD3 10K R435 1/10W 6 4 100 C421 0.1uF ADJ_PWM VOL_PWM 0.
Power CN701 2006/5/3 ON/OFF BRIGHT 1 2 3 4 5 6 7 8 9 10 11 12 +12V C703 C704 + 0.1uF 22uF/16V 2006/5/3 R721 PS_ON 1K 1/10W 4 +5V_PANEL +12V layout together Q601 +18V +12V +5V_PANEL CONN C701 C702 + NC NC +18V +VLCD C616 + L702 L701 NC L703 5 NC 120 OHM Panel_Power 1 2 3 4 C617 22uF/16V +3.3V_VDD L719 R708 10K 1/10W 4.7K 5 1K 1/10W 1/10W + GND 1 2 3 4 8 7 6 5 C711 NC R613 30K 1/10W 1 VIN 1 R715 Q602 AO3401L +3.
Power board 49
F801 1/4W R811 9.1K 6 D806 LL4148 D2 D2 D1 D1 39 Q815 AM4910N-T1-PF C838 4.7uF/16V C808 4.7uF/16V 3 1 1/10W 4 6 PT804 POWER X'FMR 0 R841 1/10W R854 1KΩ 1/10W R827 680 1/8W CN804 CONN 3 R829 100K 1/10W C814 5pF/3KV D812 BAV99PT OP3 VS3 R832 9.1K 1/10W 1 2 D816 LL4148 R839 100K 1/10W C825 5pF/3KV R856 1KΩ 1/10W R838 680 1/8W CN805 CONN D817 BAV99PT 1 OP4 VS4 R842 9.1K Q818 RK7002 1/10W 200K R846 1/10W +5V D823 1KΩ 1/4W R844 5.6K 1/10W LL4148 OP1 D820 LL4148 OP2 R847 5.
