TOSHIBA D-VR41KF Repair Manual

"C"
Are the analog audio signals inputted to each pin Check each line between each pin of CN1502
of IC1513?and each pin of IC1513, and service it if defective.
No
IC1513 2PIN AUDIO (L)-OUTCN1502 14PIN ? IC1513 2PIN AUDIO(L)-OUT
IC1513 6PIN AUDIO (R)-OUTCN1502 16PIN ? IC1513 6PIN AUDIO(R)-OUT
Yes
No
Do Pin(26,29) of IC501 become "H" level?If Pin(26) of IC501 become "L" level, replace
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Yes
ASSEMBLY.
If Pin(29) of IC501 become "L" level, replace
IC501.
Are the analog audio signals outputted to each pin
of IC1513?
No
IC1513 1PIN AUDIO (L)-OUTIs 10V voltage supplied to Pin(8) of IC1513?
IC1513 7PIN AUDIO (R)-OUT
YesNo
YesReplace IC1513.Check the P-ON+10V line and
service it if defective.
Are the analog audio signals inputted to each pin Check each line between each pin of IC1513
of IC1508?and each pin of IC1508, and service it if defective.
No
IC1508 1PIN AUDIO (L)-OUTIC1513 1PIN ? IC1508 1PIN AUDIO(L)-OUT
IC1508 13PIN AUDIO (R)-OUTIC1513 7PIN ? IC1508 13PIN AUDIO(R)-OUT
Yes
Are the analog audio signals outputted to each pin
of IC1508?
NoIs 5V voltage supplied to Pin(16) of IC1508?
IC1508 15PIN AUDIO (L)-OUTIs -5V voltage supplied to Pin(7) of IC1508?
IC1508 14PIN AUDIO (R)-OUTYesNo
YesReplace IC1508.Check the AL+5V(1) and
AL-5V line, and service it if
defective.
Are the analog audio signals inputted to each pin
Check each line between each pin of IC1508
of IC1518?
and each pin of IC1518, and service it if defective.
IC1518 6PIN AUDIO (L)-OUTNo
IC1508 15PIN ? IC1518 6PIN AUDIO(L)-OUT
IC1518 12PIN AUDIO (R)-OUT
IC1508 14PIN ? IC1518 12PIN AUDIO(R)-OUT
Yes
Are the analog audio signals outputted to each pin
of IC1518?
No
Is 12V voltage supplied to Pin(2,4) of IC1518?
IC1518 21,25PIN AUDIO-OUT 1 (AV1)
IC1518 22,26PIN AUDIO-OUT 2 (AV2)YesNo
Replace IC1518.Check the AL+12V line and
Yes
service it if defective.
Are the audio signals outputted to the specific Check the periphery between Pin(21,25) of IC1518
output terminal?and the audio terminal (JK1502), and service it if
Nodefective.
Are the audio signals outputted to the audio
terminal (JK1502)?
Check the periphery between Pin(22,26) of IC1518
Are the audio signals outputted to the audioNo
and the audio terminal (JK2001), and service it if
terminal (JK2001)?
defective.
Are the audio signals outputted to the audioNo
terminal (JK1505)?Check the periphery between Pin(1,7) of IC1513
and the audio terminal (JK1505), and service it if
defective.
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