AV-20420
AV-20421
2.4 DISASSEMBLY PROCEDURE
2.4.1 REMOVING THE REAR COVER2.4.4 CHECKING THE MAIN PW BOARD
(1) Unplug the power plug.(1) Pull out the MAIN CHASSIS (refer to REMOVING THE
(2) Remove the 5 screws [A], and 2 screws [B] as shown inMAIN PWB).
Fig.1.(2) Erect the chassis vertically so that you can easily check the
(3) Withdraw the REAR COVER toward you..MAIN PWB from the reverse (solder) side.
CAUTION:CAUTION:
When reinstalling the rear cover, carefully push it inward after? When erecting the MAIN PWB, be careful so that there will
inserting the MAIN PWB into the rear cover groove.be no contacting with other PWB.
? Before turning power on, make sure that the CRT earth wire
and other connectors are properly connected.
2.4.2 REMOVING THE MAIN PWB? When conducting a check with power supplied, be sure to
? Remove the REAR COVER.confirm that the CRT EARTH WIRE (BRAIDED ASS?Y) is
(1) Raise the backside of the MAIN PWB slightly. And removeconnected to the CRT SOCKET PWB.
the PWB STOPPER [C] from the cabinet bottom.
(2) Withdraw the MAIN PWB backward.
(If necessary, remove the wire clamp and connectors, etc.)2.4.5 WIRE CLAMPING AND CABLE TYING
(1) Be sure to clamp the wire.
(2) Never remove the cable tie used for tying the wires
2.4.3 REMOVING THE SPEAKERtogether.
? Remove the MAIN PW board.Should it be inadvertently removed, be sure to tie the wires
(1) Remove the 2 screws [D].with a new cable tie.
(2) Then you can remove the SPEAKER.
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