AV21BJ8ENS
AV21BJ8EPS
AV21BJ8EES
AV20BJ8EES
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVERCHECKING THE PW BOARD
To check the back side of the PW Board.
1. Unplug the power cord.1) Pull out the PW Board. (Refer to REMOVING THE MAIN
2. Remove the 5 screws marked A as shown in the Fig. 1.PWB).
3. Withdraw the rear cover toward you.
2) Erect the PW Board vertically so that you can easily check
the back side of the PW Board.
REMOVING THE MAIN PWB
" Removing the rear cover.[CAUTION]
1. Remove the screw marked B as shown in the Fig.1." When erecting the PW Board, be careful so that there will be no
2. Slightly raise the both sides of the chassis by hand and withdrawcontacting with other PW Board.
the MAIN PWB backward." Before turning on power, make sure that the wire connector is
(If necessary, take off the wire clamp, connectors etc.)properly connected.
" When conducting a check with power supplied, be sure to confirm
REMOVING THE SPEAKERthat the CRT EARTH WIRE (BRAIDED ASS?Y) is connected to
the CRT SOCKET PW board.
" Removing the rear cover.
1. Remove the 4 screws marked C, and remove speaker as shownWIRE CLAMPING AND CABLE TYING
in Fig. 1.
1. Be sure to clamp the wire.
2. Never remove the cable tie used for tying the wires together.
REMOVING THE FRONT AV JACK PWB Should it be inadvertently removed, be sure to tie the wires with
a new cable tie.
" Removing the rear cover.
" Removing the rear MAIN PWB.
" Removing the FRONT CONTROL PW B
1. Remove the 2 screws marked D.
2. Remove the FRONT AV JACK PWB.
REMOVING THE HP JACK PWB
" Removing the rear cover.
" Removing the MAIN PW B
1. Remove the 1 screws marked E .
2. Remove the HP JACK PWB
6No.51998 |
ACEC
