Distorted audio and loud noise
Yes
No
Yes
Yes
No
Distorted audio and
loud noise
Replace L2
Replace Q12, Q14
Check he power supply
vo12V
to the operation amplifying
L2 are normal
Check whether the
muting transistors Q12,
Q14, are normal
Checking the U2 leads
the feet has no to break
to open
Correct connection
Check whether the U5
or U2 power supply
normal
No
Yes
Yes
Check U2, U5
Replace U2, U5
No
Trouble shooting chart
No
5-5
Summary of Contents for DVP3336/94
Page 28: ...7 9 MAIN TOP PCB ...
Page 29: ...7 10 MAIN BOTTOM PCB ...
Page 30: ...7 11 LED DISPLAY TOP PCB ...
Page 31: ...7 12 LED DISPLAY BOTTOM PCB ...
Page 32: ...7 13 USB TOP PCB ...
Page 33: ...7 14 USB BOTTOM PCB ...
Page 34: ...7 15 LED TOP PCB ...
Page 35: ...7 16 LED BOTTOM PCB ...
Page 36: ...8 1 8 0 Exploded View Diagram ...