Pioneer DV-LX50 Service Manual page 31

5
QQ
3 7 63 1515 0
DOSE NOT LIGHT ON
Is the voltage at pin 13
and pin 43 of IC651
about 5V?
Is the voltage at pin 1,2
about -19V? And pin
34,35 about -15V?
Replace V651 or IC651.
NO PLAYBACK PICTUER OF
AV JACK,21 PIN JACK
TE
L 13942296513
Is the voltage
(beam current) at
JG009 andJG008?
at pin 187 of IC4002?
Is the video signal
at pin 33 of IC8101?
Is the video signal
at pin 8 of CP8101?
www
.
Change IC8101.
5
http://www.xiaoyu163.com
No
Yes
No
Yes
No
Yes
No
Is there a signal
Yes
No
Yes
No
x ao
y
Yes
i
http://www.xiaoyu163.com
6
8
Q Q
3 6 7 1 3
u163
.
DV-LX50
6
7
2 9 9 4 2 8
Check V+5E line of
POWER BLOCK.
Check FL-,LF+line of
POWER BLOCK.
1 5 0 5 8 2 9 9 4
Check loader BLOCK.
Check IC4002 and
peripheral circuit.
CheckJ8102.
Check IC8105 and
m peripheral circuit.
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
31
8