JVC AV-32S565 Series Service Manual page 9

3.2 DISASSEMBLY PROCEDURE [AV-32S575 / AV-32S585]
3.2.1 REMOVING THE REAR COVER
• Unplug the power plug.
(1) Remove the 13 screws [A] as shown in Fig.4.
(2) Remove the REAR COVER toward you.
NOTE:
When reinstalling the REAR COVER, carefully push it inward
after inserting the chassis into the REAR COVER groove.
3.2.2 REMOVING THE SPEAKER
• Remove the REAR COVER.
(1) Remove the 2 screws [D] as shown in Fig.4, then remove
the SPEAKER toward you.
(2) Follow the same steps when removing the other hand
SPEAKER.
3.2.3 REMOVING THE AV TERMINAL BOARD
• Remove the REAR COVER.
(1) Remove the 4 screws [B] and 1 screw [C] as shown in
Fig.4.
(2) Withdraw the AV TERMINAL BOARD toward you.
3.2.4 REMOVING THE CHASSIS
• Remove the REAR COVER.
(1) Slightly raise the both sides of the CHASSIS by hand and
remove the 2 claws under the both sides of the CHASSIS
from the front cabinet.
(2) Withdraw the CHASSIS backward.
(If necessary, remove the wire clamps, connectors etc.)
3.2.5 REMOVING THE CONTROL BASE
• Remove the REAR COVER.
Remove the CHASSIS.
(1) While pushing down the claws [b] as shown in Fig.3.
(2) Remove the CONTROL BASE in the arrow direction
marked [c].
( If necessary, remove the wire clamps, connectors etc. )
c
CLAW
CHASSIS
BASE
1-8 (No.YA093)
CONTROL
b
BASE
Fig.3
3.2.6 REMOVING THE DIGITAL INPUT MODULE PWB
• Remove the REAR COVER
• Remove the AV TERMINAL BOARD.
(1) Remove the 1 screw [F] and 1 screw [G] as shown in Fig.4.
(2) Remove the DIGITAL INPUT MODULE PWB.
NOTE:
If necessary, take off the wire clamps, connectors etc.
CAUTION AT DISASSEMBLY
AV TERMINAL BOARD
DIGITAL INPUT MODULE PWB
• Prior to disassembly, unplug the power plug from the AC
outlet without fail. (Turn the power "off".)
• Short the SB connector [1] pin and [2] pin of the DIGITAL
INPUT MODULE PWB. (At the time of assembling)
• Before the rear cover is inserted into the cabinet, release
the short-circuit between the SB connector [1] pin and [2]
pin of the DIGITAL INPUT MODULE PWB.
• After releasing the short-circuit between the SB
connectors, do not turn the power on until the rear cover
is inserted into the cabinet.
• Negligence in carrying out the above steps may cause the
inactivation of the TV.
3.2.7 CHECKING THE PW BOARD
• To check the PW Board from backsid.
(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 contact with other PWB.
• Before turning the power on, make sure that the CRT earth
wire and other connectors are properly connected.
3.2.8 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.
1 2
3 4
5 6
SB connector