AOC Vibrant VL7A9DA Service Manual page 30

TROUBLE SHOOTING OF CHI-MEI INVERTER ( DIVTL0037-D42- -)
9-4. ENBALE
ABNORMALITY:
IF ENBALE ABNORMALITY
1. TO CHECK IC PIN 9 TURN NO
HAVE 12 VOLTAGES
9-5 DIMMING CONTROL ABNORMALITY:
IF DIMMING ABNORMALITY TO
CHECK R1&R2&C6&R33 HAVE
IF DIMMING ABNORMALITY TO
BREAK
CHECK R1&R2&C6 HAVR BREAK
SAMPO CORPORATION
PASS
PASS
FAIL
TO CHANGE ON Q1&Q2
FUNCTION TEST OK!
FAIL
TO CHANGE ON R1 OR R2 OR
C6&R33
FUNCTION TEST OK!