Acer X173 X173 LCD Service Guide
Acer X173 Manual
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- Acer X173 | X173 LCD Service Guide - Page 1
Acer X173 Service Guide 1 - Acer X173 | X173 LCD Service Guide - Page 2
Version A00 Service Guide Version and Revision Release Date Jul.-23-2007 Revision History Initial Release TPV model T77SRDDNHSABN 2 - Acer X173 | X173 LCD Service Guide - Page 3
, 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 X173 | X173 LCD Service Guide - Page 4
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 not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However - Acer X173 | X173 LCD Service Guide - Page 5
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. z easily accessible. Special Notes On LCD Monitors The following symptoms are normal with LCD monitor and do not indicate a problem. Notes z Due to the - Acer X173 | X173 LCD Service Guide - Page 6
Features Introduction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Support Timing Monitor Block Diagram Main Board Diagram Software Flow chart Main Board Layout Installation Attaching/Removing the base Chapter 2 Operating Instructions External Controls Front - Acer X173 | X173 LCD Service Guide - Page 7
Features Chapter 1 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, also supports VESA DPMS power management and plug - Acer X173 | X173 LCD Service Guide - Page 8
Ambient light Viewing distance Warm up time All specifications Measuring equipment Control temperature User brightness control User Supply voltage Ambient temperature Display mode : Dark room : 30-50 cm for LCD performance : ＞30 minutes : Photo detector PR650 w/2° Measurement field 6500° - Acer X173 | X173 LCD Service Guide - Page 9
LCD Monitor General Specification Driving system TFT Color LCD Active Display Area 337.92(H) × 270.336mm(V) LCD Panel Pixel pitch 0.264mm(H) × 0.264mm(W) Viewable angle (H) 90°+/-20° and (V) 90°+/-20° Response time 5ms Separate Sync. H/V TTL Input H-Frequency 30kHz - 80kHz V- - Acer X173 | X173 LCD Service Guide - Page 10
LCD Panel Specification General Specifications Mechanical Information 10 - Acer X173 | X173 LCD Service Guide - Page 11
Optical Specifications 11 - Acer X173 | X173 LCD Service Guide - Page 12
Support Timing 12 - Acer X173 | X173 LCD Service Guide - Page 13
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 power board will - Acer X173 | X173 LCD Service Guide - Page 14
Main Board Diagram Crystal (X401) MCU RTD 2120L (U401) Key Board Control CN202 LCD Interface (CN601) Scalar IC RTD2025L (Include ADC, OSD) (U501) H sync V sync RGB D-Sub Connector (CN301) 14 - Acer X173 | X173 LCD Service Guide - Page 15
Software Flow Chart 1 Y 2 3 N N 4 N 5 Y 6 N 7 8 Y Y 9 N 10 11 Y N 12 N 13 Y Y N 14 15 16 Y 17 N 18 19 Y 15 - Acer X173 | X173 LCD Service Guide - Page 16
) Are there any signals coming from analog port? 16) Display "No connection Check Signal Cable" message. And go into standby mode after the message disappears. 17) Program the scalar to be able to show the coming mode. 18) Process the OSD display. 19) Read the keyboard. Is the power key pressed - Acer X173 | X173 LCD Service Guide - Page 17
Main Board Layout Symbol U201 U401 U402 U501 Description 056G 585 4A 056G1125701 X 056G 158501 056G 562701 Symbol X401 CN201 CN202 CN601 Description 093G 22 45 H 033G3802 9 033G3802 6 033G801930F CH JS 17 - Acer X173 | X173 LCD Service Guide - Page 18
Installation 18 - Acer X173 | X173 LCD Service Guide - Page 19
Attaching/Removing the Base 19 - Acer X173 | X173 LCD Service Guide - Page 20
Operating Instructions Chapter 2 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 - Acer X173 | X173 LCD Service Guide - Page 21
Front Panel Control 21 - Acer X173 | X173 LCD Service Guide - Page 22
eColor Management (OSD) 22 - Acer X173 | X173 LCD Service Guide - Page 23
How to Adjust a Setting 23 - Acer X173 | X173 LCD Service Guide - Page 24
Adjusting the picture 24 - Acer X173 | X173 LCD Service Guide - Page 25
25 - Acer X173 | X173 LCD Service Guide - Page 26
26 - Acer X173 | X173 LCD Service Guide - Page 27
User Press Hot-Key "Auto", will show this message, and the Please Wait 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 - Acer X173 | X173 LCD Service Guide - Page 28
will appear to be non-functional if there is no video input signal. In order for this monitor to operate properly, there must be a video input signal. This monitor meets the Green monitor standards as set by the Video Electronics Standards Association (VESA) and/or the United States Environmental - Acer X173 | X173 LCD Service Guide - Page 29
Machine Disassembly Chapter 3 This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance. Disassembly Procedure 1. Remove the cover hinge marked in red. (Fig 1) Fig 1 2. Remove the screws to release base stand . (Fig 2) Fig 2 29 - Acer X173 | X173 LCD Service Guide - Page 30
3. Remove the back cover and regard the hook. (Fig 3-4) Fig 3 4. Remove the keyboard. (Fig 5) Fig 4 Fig 5 30 - Acer X173 | X173 LCD Service Guide - Page 31
5. Remove the bezel. (Fig 6) Fig 6 7. Remove the screws to remove the panel. (Fig 7-10) Fig 7 Fig 8 31 - Acer X173 | X173 LCD Service Guide - Page 32
Fig 9 Fig 10 8. Remove the screw as following indicate to remove the main board and power board. (Fig 11-13) Fig 11 32 - Acer X173 | X173 LCD Service Guide - Page 33
Fig 12 Fig 13 33 - Acer X173 | X173 LCD Service Guide - Page 34
This chapter provides troubleshooting information for the X173: 1. No Power No power Chapter 4 Press power key and look if the picture isLCD Interface (CN601) NG Please reinsert and make sure the AC of - Acer X173 | X173 LCD Service Guide - Page 35
2. No Picture No picture Measure U201 PIN2=3.3V OK NG Check if X401oscillate waveforms are normal NG OK Replace U201 Replace X401 Check if the sync signal from computer is output and video cable is connected normally NG Input the sync signal of computer, or OK change the cable Replace - Acer X173 | X173 LCD Service Guide - Page 36
3. Panel Power Circuit Check CN601 PIN 23 should have response from 0V to 5V When we switch the power switch from on to off Check the PPWR panel power relative circuit Q601, Q602 In normal operation, when LED =green, R601 low level, NG If PPWR no-response when the power switch Turn on and turn off - Acer X173 | X173 LCD Service Guide - Page 37
5. No Backlight Check C802 (+) =12V NG OK Check ON/OFF signal NG OK Check IC801 pin12=12V? NG OK Change FB801,Q805 Q808, Q810 Check Interface board Change Q805.Q808 or Q810 Check the pin9&10 of IC801 have PWM wave NG Change Q801/Q804/Q811/Q812 OK Check the resonant wave of pin6 & pin1 for PT801 - Acer X173 | X173 LCD Service Guide - Page 38
Connector Information The following figure shows the connector locations on the monitor: Chapter 5 38 - Acer X173 | X173 LCD Service Guide - Page 39
FRU (Field Replaceable Unit) listing in global configurations of X173.Refer to this chapter whenever ordering for parts to repair 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 - Acer X173 | X173 LCD Service Guide - Page 40
Exploded Diagram (Model: X173) 40 - Acer X173 | X173 LCD Service Guide - Page 41
Part List Above picture show the description of the following component. Item Picture 1 Description Base 2 shield 3 Key board 4 Panel 41 - Acer X173 | X173 LCD Service Guide - Page 42
5 Power Board 6 Main Board 42 - Acer X173 | X173 LCD Service Guide - Page 43
R213 10K 1/16W LED_G# {4} Q205 PMBS3906 T P V ( Top Victory Electronics Co . , Ltd. ) G2498-1-K-AC-1-070707 Key Component 02.POWER Date Monday , July 09, 2007 OEM MODEL X173 TPV MODEL T77SRDDNHABN PCB NAME 715G2498-1-K-AC Sheet 2 of 6 Size B Rev 1 称爹 43 - Acer X173 | X173 LCD Service Guide - Page 44
22pF 22pF RTD_H {5} RTD_V {5} 1 DDC1_SCL DSUB_V DSUB_H DDC1_SDA ZD307 UDZS5.6B 17 CN301 16 10 15 5 9 14 4 8 13 3 7 12 2 AC-1-070707 Key Component 03.input Date Monday , July 09, 2007 OEM MODEL X173 TPV MODEL T77SRDDNHSABN PCB NAME 715G2498-D-K Sheet 3 of 6 44 Size B - Acer X173 | X173 LCD Service Guide - Page 45
MVCC R431 6K8 1/16W 2006-11-3 change R431 from 1K to 6.8K NC NC NC NC NC NC 17 VSS XO XI PANEL_VCC R415 6K8 1/16W R416 10K 1/16W 2007-01-11 ADD C403 0.1uF/16V Monday , July 09, 2007 OEM MODEL X173 TPV MODEL T77SRDDNHSABN PCB NAME 715G2498-1-K-AC Sheet 4 of 6 Size B Rev 1 称爹 - Acer X173 | X173 LCD Service Guide - Page 46
TXE2+ 22 TXE3- 21 TXE3+ 20 PGND R1.8DVCC 19 VCCK 18 BJT_B R1.8DVCC 17 ADC_VDD RTD_R+ 16 R+ RTD_R- 15 R- RTD_G+ 14 G+ RTD_G- 13 G- RXE2- Key Component 05.RTD2525L Date Monday , July 09, 2007 OEM MODEL X173 TPV MODEL T77SRDDNHSABN PCB NAME 715G2498-1-K-AC Sheet 5 of 6 Size B Rev - Acer X173 | X173 LCD Service Guide - Page 47
26 RXO2+ 25 24 RXOC- 23 RXOC+ 22 RXO3- 21 RXO3+ 20 RXE0- 19 RXE0+ 18 17 RXE1- 16 RXE1+ 15 14 RXE2- 13 RXE2+ 12 RXEC- 11 RXEC+ 10 RXE3- 9 RXE3+ Monday , July 09, 2007 OEM MODEL X173 TPV MODEL T77SRDDNHSABN PCB NAME 715G2498-1-K-AC Sheet 6 of 6 47 Size A Rev - Acer X173 | X173 LCD Service Guide - Page 48
) 1 2 FG GND1 GND 1 2 DIM ON/OFF T P V ( Top Victory Electronics Co . , Ltd. ) G2538-3-X-X-16-070720 Key Component Date 02.POWER Thursday , July 19, 2007 OEM MODEL 17'LCD TPV MODEL PWPC942AA3 PCB NAME 715G2538 3 Sheet 2 of 3 Size B Rev A 称爹 48 - Acer X173 | X173 LCD Service Guide - Page 49
C834 R835 0.1uF/25V 1M 1/10W 5% T P V ( Top Victory Electronics Co . , Ltd. ) G2538-3-X-X-16-070720 Key Component Date 03.INVERTER Thursday , July 19, 2007 OEM MODEL 17'LCD TPV MODEL PWPC942AA3 PCB NAME 715G2538 3 Sheet 3 of 3 Size Custom Rev A 称爹 49