Toshiba RD-87DTKF, Руководство по обслуживанию

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1-9-9 E2J70TR
Are the analog audio signals outputted to each pin
of CN1201?
CN1201 17PIN AUDIO (L)-OUT
CN1201 15PIN AUDIO (R)-OUT
IC1202 7PIN AUDIO (L)-OUT
IC1202 1PIN AUDIO (R)-OUT
IC1202 6PIN AUDIO (L)-OUT
IC1202 2PIN AUDIO (R)-OUT
Replace IC1202.
Is the signal at Pin(37) of IC009 "H"?
Is the signal at Pin(18) of CN1201 "H"?
Check the periphery between Pin(73,74) of IC005
and the audio terminal (JK1206), and service it if
defective.
Check each line between each pin of CN1201
and each pin of IC1202, and service it if defective.
Check the line between pin(18) of CN1201
and pin(37) of IC009, and service it if defective.
CN1201 17PIN
→
IC1202 6PIN AUDIO(L)-OUT
CN1201 15PIN
→
IC1202 2PIN AUDIO(R)-OUT
Are the analog audio signals inputted to each pin
of IC1202?
Are the analog audio signals outputted to each pin
of IC1202?
Are the audio signals outputted to the specific
output terminal?
Are the audio signals outputted to the audio
terminal (JK1206)?
Are the audio signals outputted to the audio
terminal (JK1207)?
Are the audio signals outputted to the audio
terminal (JK1204)?
Yes
Yes
Yes
Yes
Yes
No
No
IC005 77PIN AUDIO (L)-OUT
IC005 76PIN AUDIO (R)-OUT
Check each line between each pin of IC1202
and each pin of IC005, and service it if defective.
IC1202 7PIN
→
IC005 77PIN AUDIO(L)-OUT
IC1202 1PIN
→
IC005 76PIN AUDIO(R)-OUT
Are the analog audio signals inputted to each pin
of IC005?
Yes
No
IC005 73,74PIN AUDIO-OUT 1 (AV1)
IC005 71,72PIN AUDIO-OUT 2 (AV2)
IC005 67,68PIN AUDIO-OUT 2 (REAR)
Are the analog audio signals outputted to each pin
of IC005?
Yes
No
No
No
No
Check the periphery between Pin(71,72) of IC005
and the audio terminal (JK1207), and service it if
defective.
No
Check the periphery between Pin(67,68) of IC005
and the audio terminal (JK1204), and service it if
defective.
No
Replace the DVD MECHANISM & DVD/HDD MAIN
BOARD ASSEMBLY.
Replace the DVD MECHANISM & DVD/HDD MAIN
BOARD ASSEMBLY.
B
Check the AL+5V(2) , AL+9V
line and service it if defective.
Replace IC005.
Yes No
No
Is 5V voltage supplied to Pin(63) of IC005?
Is 9V voltage supplied to Pin(75) of IC005?