AV28S2EKGR / AV28S2EKBL
AV28S2EIGR / AV28S2EIBL
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVERCHECKING THE PW BOARD
1. Unplug the power cord.To check the back side of the PW Board.
2. Remove the 10 screws marked ?A? as shown in the Fig. 1.1) Pull out the chassis. (Refer to REMOVING THE CHASSIS).
3. Withdraw the rear cover toward you.2) Erect the chassis vertically so that you can easily check the
back side of the PW Board.
REMOVING THE SIDE CONTROL JACK ASSEMBLY[CAUTION]
" After removing the rear cover." When erecting the chassis, be careful so that there will be no
1. Remove the screw marked B as shown in the Fig.1.contacting with other PW Board.
2. While slightly raise the side control jack assembly, remove the 2" Before turning on power, make sure that the wire connector is
claws under the side control jack assembly.properly connected.
3. Disconnect the connector ?SR?, ?SL?, ?S?, ?F? and ?K? as shown" When conducting a check with power supplied, be sure to confirm
in Fig 2.that the CRT EARTH WIRE (BRAIDED ASS?Y) is connected to
the CRT SOCKET PW board.
REMOVING THE SIDE CONTROL PWB
" After removing the rear cover and side control jack assembly.WIRE CLAMPING AND CABLE TYING
1. Remove the 3 claws ?C? from back side of the side control jack1. Be sure to clamp the wire.
assembly as shown in Fig.2.2. Never remove the cable tie used for tying the wires together.
2. Pull out the SIDE CONTROL PWB.Should it be inadvertently removed, be sure to tie the wires with
a new cable tie.
REMOVING THE CHASSIS
" After removing the rear cover.
1. Slightly raise the both sides of the chassis by hand and remove
the two claws under the both sides of the chassis from the frontConnector
cabinet.
SR
2. Withdraw the chassis backward.
C
SL
(If necessary, take off the wire clamp, connectors etc.)
S
SIDE CONTROL
REMOVING THE SPEAKER BOXPWB
F
" After removing the rear cover.
1. Remove the 2 screws marked ?D? as shown in Fig. 1.K
NOTE : When removing the screws marked D of the speaker box
C
assembly, remove the lower side screw first, and then
remove the upper one.
2. Remove the 2 screws ?E? attaching the speaker box.
Fig. 2
3. Remove the 2 screws ?F? attaching the speaker.
4. Follow the same steps when removing the other hand speaker.
I
REMOVING THE AV TERMINAL BOARDJ
" After removing the rear cover.AV TERMINAL
1. Remove the 3 screws marked ?G? as shown in the Fig. 1.BOARD
2. Remove the claws marked ?H? under the CHASSIS as shown in
Fig. 3.
3. While raising the claw marked ?I?, remove the top of the AV
TERMINAL BOARD slightly in the direction of arrow ?J? as
H
shown in Fig. 3.
AV SEL. PWB
H
Fig. 3
6No.51777 |
ACEC
JVC
