AOC P/N : 41A50-144 - Manual (Page 30)

29
S A M P O C O R P O R A T I O N
TROUBLE SHOOTING OF CHI-MEI INVERTER ( DIVTL0037-D42- -)
9-4. ENBALE ABNORMALITY:
FAIL
PASS
9-5 DIMMING CONTROL ABNORMALITY:
FAIL
PASS
IF ENBALE ABNORMALITY
1. TO CHECK IC PIN 9 TURN NO
HAVE 12 VOLTAGES
TO CHANGE ON Q1&Q2
FUNCTION TEST OK!
IF DIMMING ABNORMALITY TO
CHECK R1&R2&C6 HAVR BREAK
TO CHANGE ON R1 OR R2 OR
C6&R33
FUNCTION TEST OK!