Sharp LC-26SH10U Service Manual - Page 22
IS CD301 AND CD303
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TROUBLESHOOTING GUIDE THE PICTURE APPEARS, BUT THE AUDIO DOES NOT APPEAR. IS CD301 AND CD303 NO CONNECTED ? YES IS THERE SIGNAL CD301 AND CD303 ? NO YES IS THERE SIGNAL AT PINS 11 AND 15 OF IC301 ? NO YES IS THERE SIGNAL NO AT PINS 27 AND 28 OF IC904 ? YES CHANGE AV PCB. CONNECT CD301 AND CD303. CHANGE SP301 AND SP302. CHECK IC301 AND PERIPHERAL CIRCUIT. CHECK IC904 AND PERIPHERAL CIRCUIT. E-4
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TROUBLESHOOTING GUIDE
E-4
THE PICTURE APPEARS, BUT
THE AUDIO DOES NOT
APPEAR.
YES
NO
NO
CONNECT CD301 AND CD303.
CHECK IC904 AND
PERIPHERAL CIRCUIT.
NO
YES
CHANGE AV PCB.
IS CD301 AND CD303
CONNECTED ?
CHANGE SP301 AND SP302.
YES
IS THERE SIGNAL
AT PINS 27 AND 28
OF IC904 ?
NO
CHECK IC301 AND
PERIPHERAL CIRCUIT.
YES
IS THERE SIGNAL
CD301 AND CD303 ?
IS THERE SIGNAL
AT PINS 11 AND 15
OF IC301 ?