
4-7
Distorted audio and loud noise
No
Yes
No
Yes
Yes
No
No
Distorted audio and
loud noise
Replace Q7
ˈ
Q8
Check Q15
Replace Q26,Q30,Q31
Check whether the
muting transistor
Q7
ˈ
Q8
are normal
Yes
Check whether the
muting transistor Q26,
Q30,Q31,are normal
Checking the U10 leads
have not been broken or
open
Correct connection
Replace U2
if the clock signal ACLK,
ABCK and ALRCK
output by U2 are normal
Check whether the U2 or
U10 power supply normal
No
Yes
Check the power supply voltages
+12V and -12V to the operation
amplifying Q15 IS normal.
Yes
Check
U10
Replace U2 or U10
No
Yes
SACLK waveform
SBCLK waveform
S
SLRCK waveform
Trouble shooting chart
Remark: Trouble shooting chart for
DVP3160K/XX
Summary of Contents for DVP3155
Page 39: ...6 7 6 7 Power Board Print Layout Bottom Side for DVP3156 XX DVP3160K XX DVP3166 K XX ...
Page 45: ...6 13 6 13 Main Board Print Layout Top Side for DVP3160K XX ...
Page 46: ...6 14 6 14 Main Board Print Layout Bottom Side for DVP3160K XX ...
Page 52: ...6 20 6 20 Main Board Print Layout Top Side for DVP3156 XX DVP3166 K XX ...
Page 53: ...Main Board Print Layout Bottom Side for DVP3156 XX DVP3166 K XX 6 21 6 21 ...