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Acer
X233HZ, X243HQ
4. Key Board ,
1
34
51
51
Download
51 pages, 1.96 Mb
34
4. Key Board
OSD is unstable or not working
Is Key Pad Board connecting normally?
Connect Key Board
Is Button Switch normally?
Replace Button Switch
Y
NG
NG
Is Key Pad Board normally?
Replace Key Board
Y
NG
Y
Check Main Board
http://www.wjel.net
Contents
Main
Acer X233HZ&X243HQ Service Guide
Service Guide Version and Revision
Page
Page
Table Of Contents
Chapter 1
Electrical Requirements of X233HZ&X243HQ
Standard Test Conditions
LCD Monitor General Specification
LCD Panel Specification of X233HZ&X243HQ
General Specifications
Block Diagram
Page
Page
Factory Preset Timing of X233HZ&X243HQ
Page
Main Board Diagram
Software Flow Chart
Remark:
Page
Installation
Attaching / Removing the Base
SCREEN POSITION ADJUSTMENT
External Controls
Front panel controls
Chapter 2
Page
Page
Page
Page
Page
Page
Machine Disassembly
Chapter 3
Page
Page
This chapter provides troubleshooting information for the X233HZ&X243HQ:
Chapter 4
2. No Picture (LED is orange)
Page
4. Key Board
5. Power Board
OK
OK
Page
Page
FRU (Field Replaceable Unit) List
Exploded Diagram (Model: X243HQ&X233HZ)
Chapter 6
Page
Page
Page
Page
Main Board
U101
U107
Chapter 7
AO3401L
D
21
S
3 G
lock type
CN401 PIN1~5
DUBUG
FFC CONNECTOR
LAY
CN406 PIN1~5
Power board
C905 120uF450V
67G315Z12115K
ZD902 TZX18B
Page
2008-08-18 EE MODIFY
Key board
0 V
ECOLOR(GND)
CN001
POWERAUTO MENU VOL- VOL+
Usb board
Power Regulator
TO Main Board