Toshiba 17HLV85 Service Manual page 64

NO SOUND DVD/CD
ANALOG AUDIO.
DOES THIS HAVE
SIGNAL AT PINS 1 AND
2 OF CD701 ?
NO
DOES THIS HAVE
SIGNAL AT PINS 7 AND
8 OF IC8502 ?
NO
DOES THIS HAVE SIGNAL
AT PINS 113, 115, 116
AND 118 OF IC4001 ?
NO
CHANGE IC4001.
NO SOUND DVD/CD
DIGITAL AUDIO.
DOES THIS HAVE
SIGNAL AT PIN 10 OF
CD701 ?
NO
DOES THIS HAVE
SIGNAL AT PIN 110
OF IC4001 ?
NO
CHANGE IC4001.
TROUBLESHOOTING GUIDE
YES
YES
YES
YES
YES
E-11
REFER TO "LCD SECTION".
CHECK PINS 7 AND 8 OF
IC8502 AND PERIPHERAL
CIRCUIT.
CHANGE IC8502.
CHECK J5001 AND
PERIPHERAL CIRCUIT.
CHECK IC4001 AND
PERIPHERAL CIRCUIT.