Service manual

ViewSonic Corporation Confidential - Do Not Copy VA902-3_VA902b-3
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6. Troubleshooting Flow Chart
START
CHECK
MAIN BOARD
5V OK?
3.3V
OK?
1.8V
OK?
Y
Y
CHECK POWER
OARD
OK?
CHECK I102 AND
ROUND CAP OK?
N
CHECK I104,
SUROUND CAP
BEAD OK?
CHECK I104 3.3V
UROUND CAP
OK?
N
CHECK I103,
SUROUND CAP
BEAD OK?
CHECK I103 1.8V
UROUND CAP
OK?
N