Philips 28PW9618, Руководство по обслуживанию

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Mechanical Instructions
EN 20 EM6E 4.
4.
Mechanical Instructions
Index of this chapter:
1.
Set Disassembly
2.
Service Positions
3.
Assy / PWB Removal
4.
Set Re-assembly
Notes:
•
Figures below can deviate slightly from the actual situation,
due to the different set executions.
•
Follow the disassemble instructions in described order.
4.1
Set Disassembly
4.1.1
Wireless Surround Transmitter Removal (if attached)
1.
Remove the cable of the Wireless Surround Transmitter
box (at the right side of this RJ45 plug you can find the
release-hook of the lock-mechanism).
2.
Pull the Wireless Surround Transmitter box backwards. It
is clicked to the rear cover via three clamps.
4.1.2
Rear Cover Removal
Figure 4-1 Removal of the rear cover
Warning: Disconnect the mains power cord before you remove
the rear cover.
First, unscrew the top cover plate:
1.
Remove the fixation screw(s) [1] that secure the cover
plate.
2.
Remove the top cover plate and the rear cover screws,
hidden by this top cover plate.
To be able to access the electronics of the set, you must
remove the rear cover:
1.
Disconnect all communication cables.
2.
Remove the fixation screws [2] of the rear I/O cover plate.
3.
Remove the remaining fixation screws [3] of the rear cover.
4.
Unlock the securing clips at bottom side and remove the
rear cover. Make sure not to damage any cable during this
cover removal.
4.1.3
Sub-woofer Removal
Caution: Do not disconnect the loudspeaker cable from the
subwoofer box when the set is operative, because the class-D
amplifier cannot handle a change in load during operation.
It is no problem when the subwoofer is disconnected before
operation, but a change from connected to disconnected
during operation can damage the amplifier.
1.
Disconnect the loudspeaker cable connectors at the top of
the sub-woofer box.
2.
Unlock he subwoofer bracket and at the same time pull the
unit backwards.
3.
Take out the sub-woofer unit including the bracket.
4.2
Service positions
4.2.1
DAF Module
Figure 4-2 DAF-module
1.
Remove the fixation screw (if present) as described in
section: ‘Assy/PWB removal’.
2.
Push down the fixation clamp, and pull the complete
bracket at the same time loose from the LSP bracket. The
module is now unlocked from the chassis and can be
handled in several positions.
4.2.2
Small Signal Board (SSB)
Figure 4-3 Small Signal Board removal
1.
Unlock the SSB bracket at the position as shown in the
figure and place the board flat on the table.
Note: For good access to both sides it is possible to use two
‘IDE extended flat cables’, 48 cm, 40 fold (ordering code for one
cable: 3104 311 05501). Or use the cables from the service
extension tool 9965 000 14526.
CL 36532008_009.eps
040403
3
1
3
SERVICE CONNECTOR
2 (5x)
CL 16532044_011.eps
150501
4
1
3
4
3
2
CL 26532008_014.eps
040403