S A M P O C O R P O R A T I O N
TROUBLE SHOOTING OF CHI-MEI INVERTER ( DIVTL0037-D42- -)
9-2 HIGHT VOLTAGE PROTECTION:
1.SHORT R30 OPEN LOAD
2.TEST C14 INPUT POINT VOLTAGE Vh=1600 ±100V rms
FAIL
TO CHANGE ON PT1 OR PT2
PASS
FUNCTION TEST OK!
9-3 OUTPUT CURRENT ABNORMALITY:
1 CHECK ON C6 FREQUNCY &CHIP&IC CPIP
2 OSCILLATOR FREQUNCY RANGE = 100 ~ 250 KHZ
FAIL
TO CHANGE ON C6 CHIP OR IC CHIP
PASS
FUNCTION TEST OK!
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