Service manual

6.2. NO POWER
Chcek P805
5V,12V
Check 3.3V is on C113?
1.9V is on I102 Pin2?
Yes
Yes
Yes
Yes
Replace I106
& I107
START
Check X100 is OK?
Replace I101
Replace I102
No
No
No
Replace IR Board
Replace x100
No
No
Check Wire Connection on
power board is OK?
Replace Power Board
Connect the wire
Yes
No
Yes
Check IR Board
ViewSonic Corporation Confidential - Do Not Copy N4251w-1M
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