Philips S42AX-YD04 Service Manual page 18

EN 18 4. SDI PDP 2K7
4.1.8 Exchange YB and YM board - 42" HD W2 & 42" HD W2 Plus
1. Unplug all of the FPC connectors of Y-B. See "Photo 1".
2. Loosen all the screws of Y-Buffer and Y-Main.
3. Remove the board from the chassis.
4. Unplug connectors CN5001, CN5002, CN5006 and
CN5003 between Y-Buffer and Y-Main. See "Photo 2".
5. Remove Y-Buffer from the Y-main.
6. Replace the defective board.
Figure 4-21 Photo 1 and 2: Dis-assembly of YB and YM board - 42" HD W2 & 42" HD W2 Plus
Mechanical Instructions
7. Re-assemble Y-Buffer to the Y-Main.
8. Plug in connectors CN5001, CN5002, CN5006 and
CN5003 between Y-Buffer and Y-Main.
9. Arrange the boards on the chassis and tighten them.
10. Connect the FPC connectors.
11. Supply the electric power to the module and then check the
waveform of the board.
12. Turn "off" the power after the waveform is adjusted.
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