Pioneer PDP-4280HD, Service Manual

Page: 114 / 176

PDP-4280HD
114
1 2 3 4
1 2 3 4
C
D
F
A
B
E
×
4
Access to PCB Assys
2
1
Remove the four screws.
2
Remove the two screws.
3
Remove the four screws.
4
Remove the side input panel (8U).
SIDE IO Assy
1
Remove the two screws.
2
Remove the side input shield with PCB.
42 X DRIVE Assy
1
Remove the two screws.
2
Remove the function button shield with PCB.
42 Y DRIVE Assy
1
Disconnect cables, connectors, as required.
2
Remove the two screws.
3
Remove the two screws.
4
Remove the POD cover.
5
Remove the POD stay A with PCB.
MAIN Assy
2
1 1
3
2
1
1
1 1
4
4
2
Side input panel (8U)
Side input shield
Function button shield SIDE KEY Assy
POD Assy
POD cover
MAIN Assy
42 Y DRIVE Assy 42 X DRIVE Assy
POD stay A
SIDE IO Assy
1
2
3
3
2
1
5
2
POWER SUPPLY Unit SENSOR Assy
• For 42 X DRIVE Assy
• For 42 Y DRIVE Assy
• For SIDE IO Assy
3
Diagnose the 42 X DRIVE Assy.
3
Diagnose the 42 Y DRIVE Assy.
(1) Grip the two short edges of the connector with
longnose
pliers.
(2) Insert a finger between the longnose pliers and
the board to protect the board and the mounted
parts on the board from accidental damage by
the pliers then, using your finger as a fulcrum and
the pliers as a lever, pry the connector upward to
remove it.
How to remove the bridge connector
connecting between the MAIN and
TANSHI Assys