AOC Vibrant VL7A9DA Service Manual page 28

TROUBLE SHOOTING OF CHI-MEI INVERTER ( DIVTL0037-D42- -)
9. TROUBLE SHOOTING
9-1 NO POWER:
CHECK ON FUSE
.
F1 Vin=12
PASS
PASS
FUNCTION TEST OK!
SAMPO CORPORATION
FAIL
TO CHECK ON Q4&Q6
Vout = 9V
TO CHECK ON L1&L2
INPUT 9V TO L1 OR L2
TO CHANGE
F1= 4.0A/63V
TO CHANGE
TO CHANGE
L: Q4&Q3&Q11
FAIL L: Q4&Q3&
R: Q5&Q6&Q12
R: Q5&Q6&
TO CHANGE
FAIL L: Q7&Q8&C12&PT1
R: Q9&Q10&C13&PT2
PASS