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Acer Manuals
Monitor
X241
Service manual
Trouble Shooting - Acer X241 Service Manual
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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TROUBLE SHOOTING
1. No Power
Change
Power Board
No
Check Short Of
Main Board
Change
U13,U12
Change X1 or
U4
Change U7 or
Change U7
RUN Software
ISP
No Power
NO
Check CN7
+12V and +5V
Check U13=1.8V
U12=3.3V
NO
NO
X1=14.318MHz
NO
Check U8 Pin
1,2,5,6 Clock
Yes
Check Key
Yes
Yes
Check
Yes
Yes
NO
Board
Chapter 4
Change Key
Board
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