JVC AV-29FH1BUG, Service Manual

Page: 5 / 48

(No.YA008)1-5
SECTION 3
DISASSEMBLY
3.1 DISASSEMBLY PROCEDURE
3.1.1 REMOVING THE REAR COVER
(1) Unplug the power cord.
(2) Remove the 8 screws
[A] .
(3) Remove the 1 screw [B] .
(4) Withdraw the REAR COVER toward you.
3.1.2 REMOVING THE SIDE SPEAKER
• Remove the REAR COVER.
(1) Remove the 4 screws [D] , attaching the SPEAKER.
(2) Follow the same steps when removing the other hand
SPEAKER.
3.1.3 REMOVING THE PFC FILTER PWB
• Remove the REAR COVER.
(1) Remove the 2 screws [C] as shown in the figure.
(2) Take off the 2 connectors linking chassis to PFC FILTER
PWB and withdraw the PFC FILTER PWB.
3.1.4 REMOVING THE MAIN PWB
• Remove the REAR COVER.
(1) Slightly raise the both sides of the MAIN PWB by hand and
withdraw the MAIN PWB backward.
(If necessary, take off the wire clamp, connectors etc.)
3.1.5 CHECKING THE PW BOARD
• To check the back side of the PW Board.
(1) Pull out the MAIN PWB. (Refer to REMOVING THE MAIN
PWB).
(2) Erect the MAIN PWB vertically so that you can easily check
the back side of the PW Board.
3.1.6 CAUTION
• When erecting the MAIN PWB, 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 con-
firm that the CRT EARTH WIRE (BRAIDED ASS'Y) is connect-
ed to the CRT SOCKET PW board.
3.1.7 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.
SPEAKER
CRT SOCKET
PWB
MAIN PWB
PFC FILTER
PWB
FBT
POWER CORD
FRONT CABINET
REAR COVER
SPEAKER
A
B
D
D
C