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SAMPO CORPORATION
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!