4-3
All output voltages on the power board is 0V or deviated.
No
No
No
Yes
No
U1(PIN 8 - Drain waveform)
Replace F1
Replace C1,C2 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 C1,C2
Check whether 100KHz
oscillating signal on
Pin6 of U1
Check if +5V, +3.3v, +12V,
-12V and -24V are short.
Check whether the components in the
short-circuit voltage are defected or eroded.
Yes
Yes
Yes
Yes
U1(PIN 3 - RC waveform)
Trouble shooting chart
Check whether
F1 is blown
Содержание DVP6600
Страница 36: ...Switch Board Print_Layout Bottom Side for DVP6600 93 37 DVP6620 55 98 93 6 12 6 12 ...
Страница 37: ...Control Board Print_Layout Bottom Side for DVP6600 93 37 DVP6620 55 98 93 6 13 6 13 ...
Страница 38: ...Power Board Print_Layout Bottom Side for DVP6600 93 37 DVP6620 55 98 93 6 14 6 14 ...
Страница 39: ...Main Board AV Board IR Board Switch Board Print_Layout Top Side for DVP6600 93 37 DVP6620 55 98 93 6 15 6 15 ...