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6-3 No Sound (Picture OK)
Check/Replace L204
Check/Replace
IC201
Check IC901 Pin 16
Abnormal
Check Q902
Normal
Check/Replace
IC601
Abnormal
Check/Replace
IC601
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Abnormal
Check the voltage of
Check/Replace L201
Check Z601
Check IC201
Check IC901
Check the
Abnormal
signal change of IC201
depending on the change
of VOL
Normal
Check
Abnormal
the signal input
to IC601 Pin 3
Normal
Check
the V
input
DD
to IC601
Normal
Check the signal
output from IC601 Pin 2
IC201 Pin 48 (9V)
Abnormal
Normal
Check
Abnormal
the signal input
to IC201 Pin 52
Normal
Check
Abnormal
the audio signal output
from IC201 Pin 54
Normal
Check IC901.
Abnormal
TV : Pin 15 (High)
Line : Pin14 (High)
Normal
Check
the Audio signal
input to VCR
Normal
Check
Abnormal
the signal input
to IC201 Pin 53,55.
Abnormal
Check 13.5V
Normal
Check/Replace
Speaker
Troubleshooting
Abnormal
Check VCR
Abnormal
Check C224
6-3
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