Pioneer PDP-507XA - Page 87

PDP-507XD
87
5678
56
7
8
C
D
F
A
B
E
No
Is the waveform normal when the
voltage is applied to the panel?
(See the oscilloscope photos.)
Are all the connectors properly
connected?
Reconnect the connectors.
No
Set the VXNRST voltage correctly.
B
D
NG
Yes
Is the VXNRST set voltage
(-180 V) correctly set?
Yes
Another Assy may be in failure.
X DRIVE Assy
No
Replace the FFC cables.
Replace the DIGITAL Assy.
Replace the X DRIVE Assy.
NG
NG
Yes
Yes
Is the input signal normal?
(See the oscilloscope photos.)
No
Are all the connectors properly
connected?
Reconnect the connectors.
No
C
NG
Yes
Is the TCP control signal normal?
(See the oscilloscope photos.)
Yes
ADDRESS Assy
Replace the panel chassis.
Replace the DIGITAL Assy.
Yes No
NG
Replace the FFC cables.
Is the input signal normal?
(See the oscilloscope photos.)
No