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R15AAC/AAU (vs15)
2.
For Inverter Circuit on Power Board
Check C102 pin is around 5V.
On/Off pin of P802 is over 2V.
Brightness pin is between 0V and 3.5V/
OK
NG
It is not inverter problem
Check pin6 of I101 is 5V
OK
NG
Check R105, C102 and repair them. Check printed wire.
Check P101, P102, D103 are connected right
OK
NG
Check pin 7 of I101 is over 3.1V
OK
NG
Check pin 2 of I101 is triangle pulse
OK
NG
Check CCFL and repair them. Lock P101, P102 tightly
Check Q106, Q107 and repair them
Check pin 1 of I101, there is soft start edge up to 4V and pin 4, 5. there
is some pulse outputs
OK
NG
Check pin 6 of I101, there is around 1.25V from output detection
OK
NG
Repair I101
Check C104, C105, I101 and repair them
Check SW MCS (Q104) work right
OK
NG
Check trabsfirner (T101) working it and repair it
Repair them
Check D116, D117, R111 and repair them
