Toshiba D-R265SE Service Manual page 24

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