TROUBLE SHOOTING
1. No Power
No Power
Check CN7
+12V and +5V
Yes
Change
Power Board
NO
Check U13=1.8V
U12=3.3V
Change
U13,U12
NO
Check Short Of
Main Board
No
Yes
Check
X1=14.318MHz
NO
Change X1 or
U4
Yes
Check U8 Pin
1,2,5,6 Clock
NO
Change U7 or
RUN Software
ISP
Change U7
Yes
Check Key
Board
Yes
Change Key
Board
NO
Chapter
4
All manuals and user guides at all-guides.com
Содержание X241W
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Страница 26: ...Button Board All manuals and user guides at all guides com a l l g u i d e s c o m ...
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Страница 28: ... 16 POWER BOARD All manuals and user guides at all guides com ...
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Страница 38: ... 38 Real View Top View All manuals and user guides at all guides com ...
Страница 39: ... 39 Side View unit mm All manuals and user guides at all guides com ...
Страница 59: ...EXPLODED VIEW All manuals and user guides at all guides com ...