Pioneer PRO-110FD Service Manual page 90

1
A
B
D
Another Assy may be in failure.
C
D
E
F
50
1
2
B
X DRIVE Assy
No
Are all the connectors properly
connected?
Yes
No
Is the VXKOFS1 set voltage
correctly set?
Yes
No
Is the VXKOFS2 set voltage
correctly set?
Yes
Yes
No
Is the input signal normal?
(See the oscilloscope photos.)
Yes
Replace the X DRIVE Assy.
C
ADDRESS Assy
No
Are all the connectors properly
connected?
Yes
No
Is the TCP control signal normal?
(See the oscilloscope photos.)
Yes
Replace the panel chassis.
PDP-5010FD
2
3
Reconnect the connectors.
Set the VXKOFS1 voltage correctly.
Set the VXKOFS2 voltage correctly.
Is the waveform normal when the
voltage is applied to the panel?
(See the oscilloscope photos.)
No
Replace the FFC cables.
Replace the DIGITAL Assy.
Reconnect the connectors.
Is the input signal normal?
(See the oscilloscope photos.)
Replace the FFC cables.
Replace the DIGITAL Assy.
3
4
NG
NG
NG
NG
NG
Yes No
NG
4