Toshiba 19DV616DG Service Manual page 73

NO SOUND DVD/CD ANALOG
AUDIO
Does this have signal at
pins 113, 114, 115 and
116 of IC4001?
Yes
Does this have signal at
pins 1 and 7 of IC8501?
Yes
Is CP8501 connected?
Yes
Change MAIN PCB.
NO SOUND DVD/CD DIGITAL
AUDIO
Does this have signal
at pin 1 of CP8501?
No
Does this have signal
at pin 122 of IC4001?
No
Change IC4001.
TROUBLESHOOTING GUIDE
No
No
No
Yes
Yes
E-10 E-10
Change IC4001.
Check pins 1 and 7 of IC8501
and peripheral circuit.
Connected CP8501.
Change MAIN PCB.
Check line circuit IC4001
to CP8501.
19DV616DG/22DV616DG 19DV616DG/22DV616DG