Disassembly - JVC I'Art AV-27CF36 Service Manual

3.1 DISASSEMBLY PROCEDURE
3.1.1 REMOVING THE REAR COVER
(1) Disconnect the power plug.
(2) Remove the 12 screws [A].
(3) Withdraw the REAR COVER backward.
3.1.2 REMOVING THE AV TERMINAL BOARD
• Remove the REAR COVER.
(1) Remove the 4 screws [B].
(2) Withdraw the AV TERMINAL BOARD toward you.
3.1.3 REMOVING THE CHASSIS
• Remove the REAR COVER.
• Remove the AV TERMINAL BOARD.
(1) Slightly raise the both sides of CHASSIS by hand.
(2) Remove the 2 claws under the both side of the CHASSIS
from the front cabinet.
(3) Withdraw the CHASSIS backward.
(If necessary, remove the wire clamp, connectors etc.)
3.1.4 REMOVING THE SPEAKER
• Remove the REAR COVER.
AV-27WF36
(1) Remove the 4 screws [C] and remove the SPEAKER.
(2) Follow the same steps when removing the other hand
SPEAKER.
AV-32WF36
(1) Remove the 2 screws [D], then remove the SPEAKER
HOLDER.
(2) Remove the 2 screws [E], then remove the SPEAKER
from the SPEAKER HOLDER.
(3) Follow the same steps when removing the other hand
SPEAKER.
NOTE :
When remove the 2 screws [D] of the SPEAKER, remove
the lower side screw first, and then takeing out the upper
one.
3.1.5 REMOVING THE LED & POWER SW PWB
• Remove the REAR COVER.
(1) Remove the 2 screws [F].
(2) Withdraw the LED & POWER SW PWB toward you.
*If necessary, remove the wire clamp, connector etc.
1-6 (No.YA257)
SECTION 3

DISASSEMBLY

3.1.6 REMOVING THE FRONT CONTROL PWB
• Remove the REAR COVER.
(1) Remove the 2 screws [G].
(2) Withdraw the FRONT CONTROL PWB toward you.
*If necessary, remove the wire clamp, connector etc.
3.1.7 CHECKING THE CHASSIS
To check the PW Board from back side.
(1) Pull out the CHASSIS (refer to REMOVING THE CHASSIS).
(2) Erect the CHASSIS vertically with the HVT side facing up
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 PWB.
3.1.8 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.