TROUBLESHOOTING GUIDE
THE PICTURE APPEARS,
BUT THE AUDIO DOES NOT
APPEARS.
Is SP WIRE CONNECTOR
connected?
Is there signal at wave
(SP.Lift) and wave
(SP.Right)?
Is there signal at pins 1
and 9 of IC YD1517(F)?
Connect SP WIRE
CONNECTOR.
Change SPEAKER.
Check IC YD1517(F) and
peripheral circuit.
Yes
Yes
Yes
No
No
and 9 of IC YD1517(F)?
peripheral circuit.
Yes
Is there signal at pins 4
and 6 of IC YD1517(F)?
Check IC YD1517(F) and
peripheral circuit.
Yes
Yes
Change IC YD1517(F).
Is there voltage at pin 7
of IC YD1517(F)
+12VDC?
Check D514 and peripheral
circuit.
Yes
Yes
