
4-13
All output voltages on the power board is 0V or deviated.
No
No
No
Yes
No
U1(PIN 8 - Drain waveform)
Replace F1
Replace C4 if D1, D2, D3, D4 are
normal.
Check/ replace U1.
Check whether U2 are eroded.
All output voltages on
the power board is 0V or
deviated
Check whether
there is 300V on C4.
Check whether 100KHz
oscillating signal on
Pin6 of U1
Check if +5V, +12V, -12V
and are short.
Check whether the components in the
short-circuit voltage are defected or eroded.
Yes
Yes
Yes
Yes
U1(PIN 3 - RC waveform)
Check whether
F1 is blown
Trouble shooting chart
Remark: Trouble shooting chart for
DVP3156/XX, DVP3166(K)/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 ...