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Service Guide Version and Revision Version Revision History Mar.-28-2008 TPV model T97AMLD8W7ABDN/ Initial Release T97AMLD8W7ABHN ht tp :// ww w. wj el.
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 ………………………………………… 7 Introduction ……………………………………… 7 Electrical Requirements ……………………………………… 8 LCD Monitor General Specification ……………………………………… 9 LCD Panel Specification ……………………………………… 10 Support Timing ……………………………………… 12 Monitor Block Diagram ……………………………………… 13 Main Board Diagram ……………………………………… 14 Software Flow chart ……………………………………… 15 Main Board Layout ……………………………………… 17 ……………………………………… Attaching/Removing the base ……………………………………… Operating Instructions ……
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. Description The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation.
Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified.
LCD Monitor General Specification Active Display Area 408.24 (H) x 255.15 (V) Pixel pitch 0.2835(H) x 0.2835(W) Contrast Ratio 800 : 1 Response time 5ms Luminance of White 300(Typ.) cd/㎡ Separate Sync. H/V TTL H-Frequency 30kHz – 80kHz V-Frequency 55-75Hz (H)160 (V) 160(Type) Display Colors 16.7M Display mode 1440 x 900 @75Hz OFF Mode w. wj ON Mode EPA ENERGY STAR® el.
LCD Panel Specification TPM190A1(PW01) is a 19” wide TFT Liquid Crystal Display module with 2ch-LVDS interface. This module supports 1440 x 900 WXGA+ mode and can display 16.7M colors. The inverter module for Backlight is not built in. ht tp :// ww w. wj el.
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Support Timing Horizontal Nominal Resolution Total Frequency +/- 0.5kHz WXGA Clock (MHz) 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 40.000 800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000 800x600@75Hz 1056x625 46.875 P 75.000 P 49.500 1024x768@60Hz 1344x806 48.363 N 60.004 N 65.
Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Flat Panel and CCFL Drive. CCFL backlight Inverter Board Main Board Input : D-SUB Signal w. wj AC-IN ht tp :// ww 90V-264V Input : el.
Main Board Diagram Crystal (X401) 14.31818MHZ LCD Interface (CN301) Key Board U401 Control Scalar IC TSUM5PFHL-LF (CN402) (Include MCU ,ADC, OSD) t · ne H sync V sync el. RGB D-Sub DVI Connector Connector (CN102) ht tp :// ww w.
Software Flow Chart 1 Y 2 3 N N 4 N ne t 5 Y el. 6 w.
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? t 6) Clear all global flags. ne 7) Are the AUTO and SELECT keys pressed? el. 8) Enter factory mode. 9) Save the power key status into EEPROM. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light. w. wj Turn on the LED and set it to green color.
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Installation To install the monitor on your host system, please follow the steps below: Steps 1.Connect the video cable A: Make sure both the monitor and computer are switched off. B: Connect the VGA video cable to the computer. C: Connect the digital cable (only for dual-input models). (1) Make sure both the monitor and computer are switched off. (2) Connect one end of the 24-pin DVI cable to the back of the monitor and the other end to the computer's port. 2.
Attaching/Removing The Base Install: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base el. ne t clockwise. Tighten the screw clockwise. Screen Position Adjustment w. wj Remove: Reverse the steps to remove the base. In order to optimize the best viewing position, you can adjust the height/tilt/swivel/pivot of the monitor.
Tilt el. ne t Please see the illustration below for an example of the tilt range. Swivel Monitor Pivot :// ww w. wj With the built-in pedestal, you can swivel the monitor for the most comfortable viewing angle. ht tp Adjust height to the top position before rotation the monitor. Rotate clockwise until the monitor stops at 90°.
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. Front panel controls w. wj el.
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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 ne t 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 disassemble the monitor for maintenance. Disassembly Procedure ww w. wj el. ne t 1. Remove the HINGE ASSEMBLY as the following indicator. (Fig 1) Fig 1 ht tp :// 2. Remove the back cover and bezel.
3. Remove the lamp connectors and the screw. (Fig 3-4) Remove the screws to remove the panel. Put attention to the LVDS cable.(Fig 5) ww w. wj 4. el. Fig 4 ne t Fig 3 Fig 5 tp :// Remove the screws to remove the main board and power board.( Fig 6) ht 5.
Chapter 4 Troubleshooting This chapter provides troubleshooting information for the B193W: 1. No Power No power Press power key and look if the picture is normal t NG ne Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the el. NG OK w. wj power section Measure U701 Pin2=3.
2. No Picture (LED is orange) No picture NG The button if under X401 oscillate control NG Replace X401 waveform is normal OK OK Check reset circuit of NG U401 is normal Check Correspondent component OK Replace U401 el. OK NG Check X401 oscillate w. wj waveform is normal Replace U701 NG Replace X401 CN101 is normal ww OK Check HS/VS from Check Correspondent component :// NG OK ne t Measure U701 Pin2=3.
3. Panel Power Circuit White screen NG Measure Q301 base is low level? X401 oscillate waveform is normal NG OK Replace X401 ne t OK Check CN301 is solder Check reset circuit of and Q301,Q302 is OK? el. NG NG w. wj Check Correspondent component. U401 is normal OK OK ht tp :// ww Replace PANEL Replace U401 32 Check Correspondent component.
4. Key Board OSD is unstable or not working NG Connect Key Board Is Key Pad Board connecting normally? NG el. Y NG ht tp :// ww Check Main Board Replace Key Board w.
5. Power Board No power No power Check to CN902 Pin10,11 =14V and Pin6,7 = 5 V NG Check Interface board t OK ne Check AC line volt 120V or 220V NG el. Change F901, Check BD901, L901, IC901 Check the voltage of C905(+) NG OK w.
W/LED No Backlight Check the 14V voltage input NG OK Check the adapter Check ON/OFF signal NG Check Interface board ne t OK Check IC801 pin12=12V? el. NG Change Q805.Q808 or Q810 w.
Chapter 5 Connector Information The following figure shows the connector locations on the monitor: ht tp :// ww w. wj el.
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Chapter 6 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of B193W.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/).
Part List Above picture show the description of the following component. Item Picture Description 1 w. wj el.
5 el. ne t Power Board Main Board ww w.
Chapter 7 Schematic Diagram Main Board FB102 U104 DSUB_SCL DDC1_SCL DDC1_SCL DSUB_SCL 15 14 100R 1/16W 5% DDC1_SDA 13 R113 DSUB_SDA 12 11 17 100R 1/16W 5% VGA_G+ C112 NC U103 VGA_G+ DB15 VGA_R+ 1 2 3 6 5 4 I/O1 I/O4 GNDVDD I/O2 I/O3 VGA_B+ JACK ww DVI_5V DVI_HPD R118 100R 1/16W 5% R119 100R 1/16W 5% 11 3 19 22 :// w R120 10K 1/16W 5% C115 0.
CN301 PA[0..9] 2 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PB[0..9] PB[0..9] LVB3P LVB3M LVBCKP LVBCKM LVB2P LVB2M LVB1P LVB1M LVB0P LVB0M PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 LVA3P LVA3M LVACKP LVACKM LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M CMVCC 10K 1/16W 5% R304 0.
CMVCC FB702 300 OHM 1 2 3 4 5 6 7 8 9 VCC3.3 C705 SM340A D701 CMVCC CMVCC BKLT-VBRI BKLT-EN PANEL_ID# Volume# Mute MVCC 0.1uF/16V Q702 KN2907AS R705 10K 1/16W 5% PANEL_ID# 2 2 Q703 KN2907AS Mute 2 DGND C713 NC C701 0.1uF/16V C712 NC R701 0R05 1/4W adj_BACKLIGHT 2 1K 1/16W 5% el. CONN R706 BKLT-VBRI VCC3.3 R708 NC lock type 100uF25V R709 NC R710 NC Volume# + C704 ne t CN701 VCC1.8 C710 0.1uF 16V 1,2,3 .w j VCTRL VCC3.
VCC1.8 VDDP 4 VCC3.3 FB401 0 OHM +-5% 1/8W C404 C406 0.1uF/16V Del C209 10uF/50V C405 0.
Power board 100 OHM 1/4W R920 2 ! T901 1 C917 680uF/25V 3 + + + C922 NC C918 680uF/25V 1 2 + 1 ! R902 R912 R938 10K 1/8W R901 680K OHM 1/4W 680K OHM 1/4W C928 0.001uF ! 2 HS3 HEAT SINK(Q901) ! ZD921 RLZ18B R927 3.6K OHM 1% 1/10W D916 LL4148 R942 1K 1/10W 1% C925 NC R930 2.43K OHM 1% 1/10W 14 13 12 11 10 9 8 7 6 5 4 3 2 1 USB CTRL +14V +5V DIM ON/OFF VOL MUTE HS1 HEAT 1 2 1 2 1 CN901 SOCKET HS2 HEAT SINK(D906) ht 2 150R 1/8W ZD922 RLZ5.
E C838 1500pF R856 15 OHM 1/4W F801 0R05 1/4W Q801 PMBS3904 R823 3.6K OHM 1% 1/10W Q808 PDTA144WK Q804 PMBS3906 1 ON/OFF R839 10 OHM 1/8W 1 Q802 AM9945N-T1-PF 5 G D S D G D S 3 2 1 Q810 RK7002 R811 2.4K OHM 1% 1/10W D809 LL4148 S D G D S D 6 C840 1500pF 7 8 D813 NC 9 3 B C E D808 BAW56 2 tp R832 10K 1/10W 1% R831 C820 2.4K OHM 1% 1/10W 220pF R806 68K OHM 1% 1/10W R861 130K OHM 1% 1/10W R826 1K 1/10W 1% R824 1K 1/10W 1% 46 R809 1K 1/10W 1% 2 C815 0.
+5V_Audio add FB602 FB602 +5V 1 +5V_Audio 2 BEAD FB601 RIN+ ROUT+ RIN- ROUTBY PASS SHUTDOWN# FADE# SE/BTL# tp 330 OHM +-5% 1/10W R613 EAR-LOUT EAR-ROUT C615 C616 NC NC R614 1K 1/10W 5% C614 + R601 330 OHM +-5% 1/10W C613 CONN 16 15 19 13 17 56G 616 40 R605 +5V_Audio 100uF/25V LOUT+ ROUT+ C605 1uF/25V R615 1K 1/10W 5% 47 SEL-BTL R603 R604 100K OHM 1/10W 100uF/25V BTL mode:Low SE mode:High Mute mode:Low +5V_Audio 10K 1/10W 5% change R601 R613 SEL-BTL 2 AGND NC PGND
Key board UDZSNP5.6B 1 add ZD001 and ZD002 for ESD solution LED001 LED LBADC1 LBADC2 POWER_Key LED_BLUE# LED_RED# R001 C004 NC :// w AUTO 2K OHM 1/16W MENU ht CN001 VOL- VOL+ POWER R003 1K 1/16W 5% C007 C006 MENU AUTO 1 3 5 7 9 11 2 4 6 8 10 12 SW001 JB41-03521 tp ECOLOR(GND) 0 V NC VOL+ ECOLOR C008 0 V NC VOL- (GND) ECOLOR AUTO R002 C005 NC ww MENU CONNECTOR el. C002 C003 NC NC 2K OHM 1/16W .w j CONN LBADC2 UDZSNP5.
