Toshiba D-RW2SC, Руководство по обслуживанию

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1-8-8 E7A70TR
Is SIF signal inputted to Pin(21) of IC1701?
Are the audio signal outputted
to Pin(29,30) of IC1701?
Replace TU1701.
Replace IC1701.
Yes
Check the line between
Pin(29,30) of IC1701 and
Pin(2,15) of IC1101, and
service it if defective.
Yes
No
No
Check the line between
Pin(9,10) of IC1101 and
Pin(39,40) of IC1501, and
service it if defective.
Replace IC1101.
Yes No
FLOW CHART NO.22
Audio E-E does not appear normally.
Are the audio signals inputted to each pin of
IC1101?
Check the line between audio input terminal and
each pin of IC1101, and service it if defective.
Are the audio signals outputted to Pin(3,13) of
IC1101?
Yes
Are the audio signals outputted to Pin(1,7) of
IC1102?
Yes
No (Rear
or Front
input)
No (Tuner)
Replace IC1102.
No
No
IC1101 AUDIO-IN1 (REAR) 4,11PIN
IC1101 AUDIO-IN2 (FRONT) 5,14PIN
IC1101 TUNER-AUDIO 2,15PIN
AUDIO-IN1 (REAR)
AUDIO-IN2 (FRONT) IC1101
→
JK2106 4,11PIN
Are active level of Pin(9,10) of IC1101 become
as shown below?
IC1101
→
JK2103, JK2104 5,14PIN
INPUT
TUNER
LINE(REAR)
LINE(FRONT)
9PIN 10PIN
H L
H H
L H
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