JVC AV28WT5EPS Service Manual page 10

AV28WT5EPS
AV28WT5EIS
AV28WT5EKS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power cord.
2. Remove the 13 screws marked"
3. Withdraw the rear cover toward you.
REMOVING THE CHASSIS
" After removing the rear cover.
1. Remove the screw marked "
FRONT CABINET as shown in the Fig. 1.
2. Slightly raise the both sides of the chassis by hand and remove
the two claws under the both sides of the chassis from the front
cabinet.
3. Withdraw the chassis backward.
(If necessary, take off the wire clamp, connectors etc.)
REMOVING THE AV TERMINAL BOARD
" After removing the rear cover.
1. Remove the 2 screws marked"
2. Remove the claws marked "
shown in Fig. 2.
3. While raising the claw marked "
TERMINAL BOARD slightly in the direction of arrow"
shown in Fig. 2.
REMOVING THE SPEAKER
" After removing the rear cover.
1. Remove the 2 screws marked"
2. Follow the same steps when removing the other hand speaker.
CHECKING THE PW BOARD
To check the back side of the PW Board.
1) Pull out the chassis. (Refer to REMOVING THE CHASSIS).
2) Erect the chassis vertically so that you can easily check the
back side of the PW Board.
[CAUTION]
" When erecting the chassis, be careful so that there will be no
contacting with other PW Board.
" Before turning on power, make sure that the wire connector is
properly connected.
" When conducting a check with power supplied, be sure to confirm
that the CRT EARTH WIRE (BRAIDED ASS'Y) is connected to
the CRT SOCKET PW board.
WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire.
2. Never remove the cable tie used for tying the wires together.
Should it be inadvertently removed, be sure to tie the wires with
a new cable tie.
10
(28" Model)
A A A A
"as shown in the Fig. 1.
B B
B B
"on the S/VIDEO terminal of
C C
C C
"as shown in the Fig. 1.
D D D D
" under the CHASSIS as
E E
E E
" , remove the top of the AV
F F
F F
" as
G G G G
"as shown in Fig. 1.
AV TERMINAL
BOARD
No.51776
E
F
D
AV SEL PWB
D
Fig. 2