Acer AL1517 Service Guide
Service Guide Version and Revision No. Version Release Date Revision TPV Model Name 1 1.
Copyright Copyright © 2003 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 Monitor Features ………………………………………………… 6 Induction ………………………………………………… 6 Electrical Requirements ………………………………………………… 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 B
Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 15” 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 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 225 lux Viewing distance 40 cm in front of LCD panel Warm up time All specifications 30 minutes Fully functional 5 seconds Measuring equipment Chroma 7120 signal generator or equivalent, directly Connected to the monitor under test.
LCD Monitor General Specification 15 “ active matrix color TFT LCD Panel type SVA150XG04TB Display size 304.128mm (W) × 228.96mm(H) Pixel pitch 0.297mm(H) × 0.297mm(V) Pixel 1024(H) × 768(V) Pixel Contrast ratio 450:1(typ.) Brightness 250 cd/m2 (typ.) Response time (Tr+Tf) 16ms Display color 16.7M Viewing angle (CR>=10) H: 120 / V: 100 (typ.
LCD Panel Specification LCD Panel Model (SVA150XG04TB) z Display Type active matrix color TFT LCD z Pixel 1024(H)×768(V) Pixel z Display Area 304.128mm (W) × 228.96mm(H) z Pixel Pitch 0.297mm(H) × 0.297mm(V) z Display Color 16.7M Colors z Lamp Frequency 55KHz(max.) z Lamp Current 7.5mArms (typ.) z Weight 1000g (typ.) Optical Specifications Measuring Condition: Ta = 25°C(Room Temperature).
Supported Timing ٛ.
Monitor Block Diagram The LCD MONITOR will contain a main board; a power board, keypad board and which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel.
Main Board Diagram LCD Interface (CN102) PM25LV512-25SCE SOP-8 (U402) Scaler TSUM16AK (Include: MCU, ADC, OSD etc) (U401) OSD Control Interface (Keypad) D-SUB Connector (CN405) (CN403) EEPROM 24LC02B (U404) 12 EEPROM 24LC16B (U403) 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 13 Y Y N 14 15 Y 17 18 N N 19 Y 13 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 Label Part NO CN405 088G 35315F H D-SUB 15PIN CN101 033G803412D WAFER U401 056G 562100 TSUM16AK X401 093G 22 53 CRYSTAL 14.
Front Bezel External Controls Front Panel Control Item Description Item Description 1. Auto Adjust / Exit 4. MENU/ENTER 2. < Volume 5. Power Indicator 3. > Volume 6.
Rear Bezel Turn off your computer before performing the procedure below. 1. Plug the power cable of your monitor into a nearby outlet. Plug the other end of the power cord into the PC port. 2. Connect one end of the 15-pin VGA cable to the back of the monitor and connect the other end to the computer’s D-Sub port. 3. Turn on your monitor and computer. 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. • 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 menu when in Volume Adjust OSD status. • < / Volume: Activates the volume control when the OSD is OFF or navigate through adjustment icons when OSD is ON or adjust a function when function is activated.
Adjusting the Picture a. How to Adjust 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 you want to adjust any other function, repeat steps 2-4.
b.
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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 Please Wait This message, and the monitor do the auto config function. Input Not Supported When the Hsync Frequency, Vsync Frequency or Resolution is out of The monitor support range will show this message. This message will Be flying. Cable Not Analog-Only Model: When the video cable is not connected, will show Connected This message.
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 Disassemble the base 1. Remove hinge cover. (Fig 1-2) 2. Remove four screws mark in red to remove stand base.
Fig (3) Fig (4) 26
Disassemble the rear bezel 1. Remove four screws mark in red to remove back cover.
Fig (7) Disassemble the shield 1. Remove four screws mark in red to remove the shield. (Fig 8-9) (Remove the shield as arrow direction).
Fig (9) Disassemble the main board (Fig 10-12) 1. Remove three screws mark in red to remove main board. 2. Remove two screws mark in red to remove audio board. 3. Remove five screws mark in red and Remove AC-BKT with green to remove Power board. 4. Remove connector wire with main, audio and power board.
Fig (11) 5. Remove one screws mark in red to remove Key board.
Disassemble the front cover (Fig 13) 1. Pay attention to some hooks, then open it with little force till the front cover and Panel frame separated. 2. The position marked with ellipse exists some hooks.
Top Top bottom bottom Fig (15) Fig (16) Fig (17) 32
Chapter 4 Troubleshooting This chapter provides troubleshooting information for the AL1517: The way of assessing to the factory mode: Main board 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 OK Reinsert or check the power section NG Measure U701 PIN2=3.3V, U702 PIN2=3.
2. No picture (LED is orange) No picture Measure U701 PIN2=3.3V U702 PIN2=3.
3.
Power Board 4.
5. No Backlight Check C201 (+) =12V OK NG Change F902 Check ON/OFF signal OK NG Check Interface board Check U201 pin9=12V ? NG OK Change Q201 or Q202 Check the pin1 of U201 have saw tooth wave OK NG Change U201 Check D201 (-) has the output of square wave at short time.
Chapter 5 Connector Information The following figure shows the connector locations on the monitor board: 1 5 6 10 11 15 15 – Pin Color Display Signal Cable (D-sub) 38
Chapter 6 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL1517. 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: AL1517) 40
Part List Above picture show the description of the following component.
Chapter 7 Schematic Diagram TSUM16AK SCHEMATIC XGA/SXGA B3 LVDS OUTPUT B4 +5V +5V RIN GNDR GIN GNDG SOG BIN GNDB HSYNC VSYNC DDCA_SDA DDCA_SCL DET_VGA RIN GNDR GIN GNDG SOG BIN GNDB HSYNC VSYNC DDCA_SDA DDCA_SCL DET_VGA DDC_WP R+ RG+ GB+ BCLK+ CLKDDCD_SDA DDCD_SCL DET_DVI DDC_WP R+ RG+ GB+ BCLK+ CLKDDCD_SDA DDCD_SCL DET_DVI VCC1.8 VCC3.3 +5V +12V VCC1.8 Vcc3.3 +5V +12V 3.INPUT B5 PA[0..7] PA[8..13] PA[14..19] PB[0..5] +12V PB[6..11] PC5V PB[12..23] +3V3 GPO[0..4] VCC1.
SOT-223 U701 +5V +3V3 H1 H2 VCTRL H3 NC/LT1117-18 9 5 4 TP NC 5 4 9 9 51 1/16W 5 4 5 4 TP 1 2 3 100uF/25V 1 NC 9 8 7 6 8 7 6 5 4 5 4 8 7 6 9 1 2 3 C704 + VCC1.8 TP + C702 1 2 3 9 C703 8 7 6 8 7 6 4 1 2 3 VO +3V3 1 2 3 C701 4 R702 2 8 7 6 VO GND VI 1 2 3 3 4.7uF/16V VCC1.8 4 VCC3.3 4 D701 R31 4.7K 4.7K C51 1UF 1UF R32 0 X R29 X 1K R33 X 4.7K Q4 X MMBT3904 C BL_ADJ(DC) 0V ~ 3.3V 0V ~ 5V 1N4148 B R703 Q702 R31 47 4K7 C32 N.
R434 56 1/16W C432 0.047uF 1/16W R435 56 1/16W C433 0.047uF FB412 0 1/16W R436 56 1/16W C434 0.047uF R437 470 1/16W C435 0.047uF R441 100 1/16W C436 0.047uF R442 100 1/16W C437 0.047uF R443 100 1/16W C438 0.047uF R438 75 1/16W D403 BAV99 3 3 3 16 15 1/16W 0 D404 BAV99 RIN 4 GIN 4 BIN 4 SOG 4 D405 BAV99 GNDR 4 GNDG 4 GNDB 4 +5V D406 +5V ESD_5V MLL5232B 5.6V 2,4 R444 10K 1 2 C441 0.1uF 1 2 C440 0.1uF 1 2 C439 0.
VDVI VMPLLVPLL AVDD VDDP VDDC VCC1.8 FB401 VDDC VCC3.3 DDCA_SDA DDCA_SCL 3 3 39 40 42 43 45 46 48 49 36 37 3 R+ 3 R3 G+ 3 G3 B+ 3 B3 CLK+ 3 CLKDDCD_SDA DDCD_SCL AVDD 62 R486 NC 0.1uF WP SDO CE# SCK SDI 2 1 6 5 70 71 72 73 RST 1/16W R404 C421 22pF 1/16W NC 32 12 97 117 68 ESP OSP GPO0 GPO1 GPO2 GPO3 GPO4 GPO5 GPO6 XIN X401 14.318MHz 33 XOUT C423 22pF GPIO_P22 GPIO_P23 GPIO_P03 VCC3.
4 4 PA[0..7] 4 PA[0..7] PA2 PA3 PA4 PA5 PA6 PA7 4 PA[8..13] PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA12 PA13 RA1P RA1N RA2P RA2N RA3P RA3N PA[8..13] PA8 PA9 PA10 PA11 PA12 PA13 PB[0..5] PB[0..5] PB0 PB1 PB2 PB3 PB4 PB5 PA[0..7] PA[0..7] LVACKP LVACKM LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M LVA3P LVA3M 4 4 GB1P GB1N GB2P GB2N GB3P GB3N PB[12..23] PB[12..23] PB14 CLKBP PB15 CLKBN 4 PA[14..19] 4 PA14 PA15 PA16 PA17 PA18 PA19 PB[12..23] BA1P BA1N BA2P BA2N BA3P BA3N PB12 CLKAP PB13 CLKAN PB[12..
Power board (adapter + inverter) 47
48
Audio board OUT_LOUT_R +12V 12V 10K 9 R212 6 33L8022-3A-H FEMALE 11 220K 12 100 pF GND R211 5.6K R210 C211 5.6K GND C212 100 pF + C209 1.0uF + C210 1.0uF C213 0.1uF GND 49 15 GND CN203 + VS 16 INL OUTL INR OUTR SVR VOLUME STBY VAROUT_R MUTE VAROUT_L GND C203 0.1uF 17 4 3 2 1 470uF/16V 14 + C206 0.47uF R203 C202 470uF/16V 10 C207 470uF/16V 7 WAFER 4P2.
