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Distorted audio and loud noise
Distorted audio and
loud noise
Yes
Check the power supply voltages
+12V and -12V to the operation
amplifying Q2 andQ4 are normal.
Yes
Check
whether
muting transistor L7
and L8 are normal
Yes
Check
whether
muting transistor Q29,
Q31 and Q25 are normal
Yes
Checking the U11 leads
the feet has no to break to
open
Yes
if the clock signal ACLK,
ABCK
and
ALRCK
output by U3 are normal
Yes
Check whether the U3 or
U11 power supply normal
Yes
Replace U3 or U11
All manuals and user guides at all-guides.com
No
the
No
the
No
No
No
SACLK waveform
No
4-7
Check Q2and Q4
Replace L7 and L8
Replace Q29,Q31 and Q25
Correct connection
Replace U3
SBCLK waveform SSLRCK waveform
Check U11
Trouble shooting chart
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