Philips LX 3700D, Service Manual

Page: 61 / 90

11-1 11-1
11. Wireless Surround Loudspeaker boxes
1.1. Introduction
With the Wireless surround system it is possible to connect
rear speakers wireless with the main set. The system consists
of:transmitter part Tx: interface-board and transmitter board
receiver part RX: receiver board, amplifier board and
SMPSupply part
Loudspeaker boxes left and right rear, per equipment defined.
The interface board can be an integrated part of a TV set
(EM6E-chassis) or a separate board in the transmitter part in
case of the AV Entertainment (DVD-receiver) application.
Transmitter and receiver can be seen as one system,
The amplifier board is per application (TV or AV) adapted.
Figure 1-1 Wireless transm. receiver cabinets
1.2. Mechanical Intructions
Figure 1-2 Transmitter
1.2.2. Demounting TX transmitter:
- Loosen 4 screws at bottom side.
- Now top cover can be removed
- The interface board can be removed after disconnecting
cable 8003Tx.
- To remove the transmitter board loosen one screw, be
careful for antenna which positioned through the mechani-
cal “ring” and disconnect cable.
- To remount transmitter take care for LS cable 8001Tx to put
it through the opening in the mechanical ring and through
the wire inlays in the bottom part otherwise damaging of the
wires may happen.
1.2.3. Demounting RX receiver:
- Loosen 4 screws at bottom side.
- Remove antenna
- Now the top cover can be removed
- The receiver board can be removed after loosening of one
screw and connection cable 8004Rx.
- The amplifier board is fixed with 2 screws, one on board
one on connector 1100. The screw which fits connector
1100 is behind the cable cover. After removing cables
8002Rx, 8003Rx and 8004Rx, the board can be taken out.
- The SMPowerSupply board is fixed with 2 screws, after
loosening of these screws and disconnecting cables 8002Rx
and 8003Rx the board can be removed.
- To remount receiver take care for correct positioning of the
antenna, when fixing bottom cover.
1.2.1. EV dr mechanical partslists
Partslist Transmitter
0074 Screw M3 x 6
0078 4304 074 19580 FEET
0320 TRANSMITTER BOARD
0338 4304 074 19520 TOP COVER TRANSMITTER
0339 4304 074 19530 BOTTOM COVER forTRANSMITTER
0340 4304 074 19560 LIGHT GUIDE TRANSMITTER
0366 3104 210 21710 ANTENNA
7002 INTERFACE BOARD TRANSMITTER
8001 4304 078 90060 CABLE ASSY LS INPUT INTERFACE
Partslist Receiver
0078 4304 074 19580 FEET
0338 4304 074 19480 TOP COVER for RECEIVE
0339 4304 074 19470 BOTTOM COVER for RECEIVER
0340 4304 074 19570 LIGHT GUIDE RECEIVER
0366 3104 210 21710 ANTENNA
0370 4304 074 19510 DECORATIVE RING IN TOPCOVER
0438 RECEIVER BOARD
0440 AMPLIFIER
7003 4304 078 90130 SMPS board for amplifier
8001 4304 078 89080 CABLE ASSY POWER UK
8001 4304 078 90200 CABLE ASSY POWER USA
CL 36532008_064.eps
220403
CL 36532008_066.eps
220403
Figure 1-3 Receiver