32
§
TROUBLE SHOOTING CHARTS
¡Æ
NO SOUND
OK
OK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
CHECK THE SPEAKER
CHECK THE VOLTAGE OF
PIN 2 OF I601
CHECK THE PIN 6 AND 8
OF I601 AT THAT
SOUND VOLUME MAX.
CHECK THE PIN 51 OF I501
CHECK AFT AND CHECK THE
PIN 52 VOLTAGE OF I501
CHECK/REPLACE Z501
REPLACE SPEAKER
CHECK/REPLACE
R606, I601
CHECK PIN 5 OF I601
CHECK/REPLACE I701
CHECK/REPLACE C604
REPLACE I501
OK
OK
OK
OK
NG
NG
NG
TURN OFF THE MAIN POWER SW
AND TURN ON THE TV SET AGAIN
CHECK THE WAVEFORM OF PIN 23, 24, 25, 26 OF I701
CHECK THE WAVE FROM OF
PIN 21, 22 OF I701
REPLACE I701
CHECK THE WAVEFORM OF
Q704
CHECK/REPLACE R771, 772, 773
514, 587, C514, 515, AND 516
CHECK/REPLACE I501
CHECK/REPLACE I501, R759
CHECK/REPLACE
Q704
¡Æ
NO NO-SCREEN DISPLAY
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