Table of Contents
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TUNER AUDIO OF DVD MODE
DOES NOT APPEAR
Is there a signal in at pin 5
and 7 of CP7301 with each
input ?
Yes
Is there a signal in at pin 1, 22
and 28 of IC7303 and 56, 100,
110 of IC4001 ?
Yes
Is there a signal in at
pin 1, 2 and 3 of IC7301 ?
Yes
Is there a signal in at
pin 7 and 8 of IC7301 ?
Yes
Is there a signal in at
pin 1 and 7 of IC7304 ?
Yes
Go to NO AUDIO ON
PLAYBACK.
TROUBLESHOOTING GUIDE
No
No
No
No
No
E-26
Check IC801 and peripheral
circuit.
Check IC7303, IC4009,
IC4010 and peripheral circuit.
Check IC4001 and peripheral
circuit.
Check IC7301 and peripheral
circuit.
Check IC7304 and peripheral
circuit.
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