7-7
CONTINUE
NG
Measure the voltage at IC7F1 pin 5 on the CRT PWB (PWE-
567C). The voltage is approx. 8.5V.
NG
OK
Measure the voltage at IC7F1 pin 2 on the CRT PWB
(PWE-567C). The voltage is 0V.
OK
NG
OK
Measure the voltage at CN-HT pin 1 on the CRT PWB (PWE-567C). Normally,
the G1 voltage’s high level is OV.
NG
OK
Check IC7F1 input voltage
LC901, LC903, R7F5, C764 or CN-HT failure.
Check the heater controlled voltage
IC7F1 failure.
IC801 on the VIDEO PWB (PWB-567A) failure.
Check the G1 voltage
D7K1, R7K2, Q7K1, Q7K3 or Q7K2 on the VIDEO PWB (PWB-567A) failure.
CRT failure.
CN-HT failure.
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