Philips S42SD-YD09 Service Manual page 17

4.1.7 Exchange of LB-E, LB-F and LB-G board - 63" HD v4
1. Refer to the Service Manual of the set to strip it so far, you
have access to the Logic Buffer board that you need to
replace.
2. For the lower LB-E, remove brackets [1] and [2]; for the
lower LB-G, remove brackets [3] and [4]. For both LB-F's
and the upper LB-E and LB-G you do not need to remove
these brackets.
Note: The following description is correct for the lower
LBG; the replacement procedure of the other LB's is
similar.
7
Mechanical Instructions
1
2
Figure 4-18 Brackets 63" HD v4
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6
5
Figure 4-19 Exchange of lower LB-G board 63" HD v4
SDI PDP 2K6
3. Remove the fixation screws [5] from the TPC heatsinks of
the defective board.
4. Unplug the TPC, FFC, and power cable(s) from the
connectors [6].
5. Remove the fixation screws from the defective board [7].
6. Remove the defective board.
7. Replace the new board and then screw tightly.
8. Clean the connectors.
9. Re-connect the TCP, FFC, and power cable to the
connectors.
10. Re-assemble the TCP heat sinks. Slide the heatsink
against strip [8] before you tighten it.
3
4
8
7
4. EN 17
G_16380_038.eps
7
6
7
5
G_16380_039.eps
131006
131006