Pioneer PDP-4280HD Service Manual page 114

1
A
2 Access to PCB Assys
SIDE IO Assy
1
Remove the four screws.
2
Remove the two screws.
3
Remove the four screws.
4
Remove the side input panel (8U).
42 X DRIVE Assy
1
Remove the two screws.
B
2
Remove the side input shield with PCB.
3
Diagnose the 42 X DRIVE Assy.
42 Y DRIVE Assy
1
Remove the two screws.
2
Remove the function button shield with PCB.
3
Diagnose the 42 Y DRIVE Assy.
C
MAIN Assy
1
Disconnect cables, connectors, as required.
2
Remove the two screws.
3
Remove the two screws.
4
Remove the POD cover.
D
5
Remove the POD stay A with PCB.
How to remove the bridge connector
connecting between the MAIN and
TANSHI Assys
(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
E
the pliers as a lever, pry the connector upward to
remove it.
F
114
1
2
• For 42 X DRIVE Assy
Side input shield
2
1
• For 42 Y DRIVE Assy
Function button shield SIDE KEY Assy
2
1
SENSOR Assy
42 Y DRIVE Assy
MAIN Assy
PDP-4280HD
2
3
• For SIDE IO Assy
1
1
1
1
2
POWER SUPPLY Unit
42 X DRIVE Assy
POD stay A
2 2
5
3
3
4
POD cover
3
4
SIDE IO Assy
Side input panel (8U)
1
1
2
3
×4
4
POD Assy
4