AV-27320
AV-27330
AV-27S33
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVERCHECKING THE PW BOARD
1. Disconnect the power plug from wall outlet.To check the PW Board from back side.
2. As shown in the Fig.1, remove the 7 screws marked !!!!.1. Pull out the chassis (refer to REMOVING THE MAIN PWB).
[For AV-27320/S,R]2. Erect the chassis vertically so that you can easily check the back
side of the PW Board.
3. As shown in Fig.1, remove the 3 screws marked """".
[For AV-27330/S,R AV-27S33/S,R]
CAUTION
3. As shown in Fig.1, remove the 4 screws marked """"." When erecting the chassis, be careful so that there will be no
4. Then remove the REAR COVER toward you.
contacting with other PW Board.
" Before turning on power, make sure that the wire connector is
REMOVING THE MAIN PWBproperly connected.
" After removing the REAR COVER." When conducting a check with power supplied, be sure to
1. Pick this side of the MAIN PWB and raise one slightly, take off theconfirm that the CRT EARTH WIRE (BRAIDED ASSY) is
PWB stopper marked #### from the cabinet bottom.connected to the CRT SOCKET PW board.
2. Withdraw the chassis backward.
(If necessary, remove the wire clamp, connectors etc.)WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire.
REMOVING THE SPEAKER2. Never remove the cable tie used for tying the wires together.
" After removing the rear cover.Should it be inadvertently removed, be sure to tie the wires with a
new cable tie.
1. As shown in Fig. 1, removing the screws marked $$$$, then
remove the speaker.
2. Follow the same steps when removing the other hand speaker.
NOTE : When removing the screws marked $$$$ of the speaker,
remove the lower side screw first, and then remove the
upper one.
8No.51937 |
ACEC
