Philips FPF42C128135UA-52 Service Manual page 7

6. Remove the X-BUS board and the X-SUS board together.
Make sure that you do not touch the heat sink when removing
the Y-SUS board.
4.1.3 Y-SUS Circuit Board
5
Figure 4-4 Y-SUS board removal (1/2)
Y-SUS
Figure 4-5 Y-SUS board removal (2/2)
Remove the circuit board by following the steps below. To
install the circuit board, reverse the removal procedure.
1. Release the lock of the FPC connector [1] and unplug the
signal cable.
2. Unplug the connector [2].
3. Remove the fixing screws [3].
4. Release the white stand-offs [4] from the Y-SUS board.
5. Pull out the Y-SUS board horizontally, in this way
unplugging the connectors [5].
6. Remove the Y-SUS board.
Make sure that you do not touch the heat sink when removing
the Y-SUS board.
Note: Make sure the radiation plate is positioned correctly. It is
located underneath the upper SDM, and the threaded bush
should sit in the hole of the radiation plate.
Mechanical Instructions
4
3
2
4
1
G_16400_009.eps
300706
G_16400_011.eps
180706
FHP PDP
Threaded bush for
SDM-U board
Adhesive side should be
against the IC of SDM-U
SDM-U board
Radiation Plate
Figure 4-6 Radiation plate position
4. EN 7
Y-SUS board
G_16400_010.eps
310706