1-8-8
E7B71TR
Is SIF signal inputted to Pin(2) of IC2?
Are the audio signal outputted
to Pin(30,31) of IC1?
Replace TU1701.
Replace IC1.
Yes
Check the line between
Pin(30,31) of IC1 and
Pin(84,85) of IC1201, and
service it if defective.
Yes
No
No
Check the AL+5V(2) , AL+9V
line and service it if defective.
Replace IC1201.
Yes
No
FLOW CHART NO.22
Audio E-E does not appear normally.
Are the audio signals inputted to each pin of
IC1201?
Check the line between audio input terminal and
each pin of IC1201, and service it if defective.
Are the audio signals outputted to Pin(79,80) of
IC1201?
Yes
Are the audio signals outputted to Pin(1,7) of
IC1203?
Yes
No (Rear
or Front
input)
No (Tuner)
Replace IC1203.
No
No
IC1201
AUDIO-IN1 (AV1)
93,94PIN
IC1201
AUDIO-IN1 (FRONT)
91,92PIN
IC1201
AUDIO-IN2 (AV2)
89,90PIN
IC1201
AUDIO-IN2 (REAR)
81,82PIN
IC1201
TUNER-AUDIO
84,85PIN
IC1201
→
JK1206
93,94PIN
IC1201
→
JK1202,
JK1203
91,92PIN
IC1201
→
JK2001
89,90PIN
IC1201
→
JK1204
81,82PIN
AUDIO-IN1 (AV1)
AUDIO-IN1 (FRONT)
AUDIO-IN2 (AV2)
AUDIO-IN2 (REAR)
Is 5V voltage supplied to Pin(63) of IC1201?
Is 9V voltage supplied to Pin(75) of IC1201?
Continued to B on the next page.
Summary of Contents for D-R265SE
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