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6. Trouble Shooting Flow Chart
6.1. NO POWER
START
Check
P902 pin 5,6
Is 12v?
YES
Check I301
is working?
YES
Check p711
pin 5 is 5v?
YES
Replace IR board
ViewSonic Corporation
NO
Remove P902
Check 12v & 5v
NO
Replace
X301,I302,I301
NO
Check wireharness
P703
48
NO
Confidential - Do Not Copy
Replace Power
Board
N2750w-2G
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