PIONEER DV-LX50/TLFXZT
Instrukcja Serwisowa

1

2

3

4

A

DOSE NOT LIGHT ON

Is the voltage at pin 13 and pin 43 of IC651 about 5V?
B

No

Check V+5E line of POWER BLOCK.

Yes Is the voltage at pin 1,2 about -19V? And pin 34,35 about -15V? Yes Replace V651 or IC651. No Check FL-,LF+line of POWER BLOCK.

C

NO PLAYBACK PICTUER OF AV JACK,21 PIN JACK

Is the voltage (beam current) at JG009 andJG008?
D

No Check loader BLOCK.

Yes

Is there a signal at pin 187 of IC4002?

No

Check IC4002 and peripheral circuit.

Yes

Is the video signal
E

No CheckJ8102.

at pin 33 of IC8101?

Yes Change IC8101.

F

30
1 2

DV-58AV
3 4