Pioneer DV-510K-S Service Manual page 22

1
A
DOES NOT LIGHT ON DISPLAY
Is the voltage at
pin 13 and pin 43 of IC651
about 3V ?
B
Replace V651 or IC651.
NO PLAYBACK PICTURE OF AV
C
JACK
Is there
a signal at pin 99 of
IC4001 ?
D
Is there
video signal at pin 33
of IC7301 ?
Change IC7301.
E
F
22
1
2
No
Yes
No
Y es
Yes
No
2
3
DV-510K-S
3
4
Check AT+3.3V line of
POWER BLOCK.
Check IC4001 and
peripheral circuit.
Check J7302 and peripheral
circuit.
4