4-7
Distorted audio and loud noise
No
Yes
No
Yes
Yes
No
Distorted audio and
loud noise
Replace R176 and R175
Check Q27
Replace Q17~Q18 ,Q40~Q43
Check whether the muting
transistor R176 and
R175 are normal.
Yes
Check whether the muting
transistor
Q17~Q18,Q40~Q43
Q42 are normal
ˈ
Checking the U1
leads the feet has no
to break to open
Correct connection
No
Yes
Check the power supply
vo12V to the
operation amplifying Q27
and -12V are normal.
Replace U1
Trouble shooting chart
Summary of Contents for DivX DVP3146K
Page 27: ...6 6 6 6 Power Board Print Layout Bottom Side for DVP3126 K XX ...
Page 29: ...6 8 6 8 Power Board Print Layout Bottom Side for DVP3146 K XX DVP3148K XX ...
Page 34: ...6 13 6 13 Main Board Print Layout Top Side for DVP3126 K XX DVP3146 K XX DVP3148K XX ...
Page 35: ...6 14 6 14 Main Board Print Layout Bottom Side for DVP3126 K XX DVP3146 K XX DVP3148K XX ...
Page 40: ...6 19 6 19 Main Board Print Layout Top Side for DVP3146K 93 ...
Page 41: ...6 20 6 20 Main Board Print Layout Bottom Side for DVP3146K 93 ...