(No.YA060)1-9
SECTION 3
DISASSEMBLY
3.1
DISASSEMBLY PROCEDURE
The illustration of Fig.5 is explained about AV-28R4SK/AV-32R4SK.
In case of AV-28T Series or AV-32T Series MODELS, you disassemble in the same procedure using Fig.6.
3.1.1 REMOVING THE REAR COVER
(1) Unplug the power plug.
(2) Remove the sub woofer cord from the AV TERMINAL
BOARD.
(3) Remove the SUB WOOFER UNIT on the top of the rear
cover upward.
(4) Remove the 13 screws
[A]
as shown in Fig.5.
(5) Withdraw the REAR COVER toward you.
3.1.2 REMOVING THE SIDE CONTROL JACK ASSY
• Remove the REAR COVER.
(1) Remove the screw
[B]
as shown in Fig.5.
(2) Slightly pull the SIDE CONTROL JACK ASSY toward you,
and detach the claw from FRONT CABINET.
Then it can be removed.
(3) Then disconnect the connector
[S]
,
[F]
and
[K]
as shown
in Fig 1.
3.1.3 REMOVING THE SIDE CONTROL PWB
• Remove the REAR COVER.
• Remove the SIDE CONTROL JACK ASSY.
(1) Remove the 3 claws
[C]
from backside of the SIDE
CONTROL JACK ASSY as shown in Fig.1.
(2) Remove the SIDE CONTROL PWB from the SIDE
CONTROL JACK ASSY.
3.1.4 REMOVING THE AV TERMINAL BOARD
• Remove the REAR COVER.
(1) Remove the 5 screws
[G]
as shown in Fig. 5.
(2) Remove the 2 claws
[H]
at the bottom of the AV
TERMINAL BOARD as shown in Fig. 2.
(3) Shift the AV TERMINAL BOARD slightly in the direction of
arrow
[I]
, and remove it as shown in Fig. 2.
(4) At first, expand the lever
[K]
with the SUB WOOFER connector,
and pull it out of connector jack as shown in Fig.3.
3.1.5 REMOVING THE MAIN CHASSIS
• Remove the REAR COVER.
(1) Slightly raise the MAIN CHASSIS, and release the two claws
at the bottom of and both sides of the MAIN CHASSIS.
(2) Then withdraw the MAIN CHASSIS backward from the
front cabinet. (If necessary, detach the wire clamp,
connectors etc.)
3.1.6 REMOVING THE MAIN SPEAKER
• Remove the REAR COVER.
(1) Remove the 2 screws
[E]
, and detach the MAIN SPEAKER
HOLDER as shown in Fig. 5. (When removing the screws
[E]
of the MAIN SPEAKER HOLDER, the lower side screw
first, and then upper one.)
(2) Remove the 4 screws
[F]
, which attached the MAIN
SPEAKER.
(3) Follow the same steps when disassemble the other hand
MAIN SPEAKER.
3.1.7 REMOVING THE CENTER SPEAKER
• Remove the REAR COVER.
• Remove the MAIN CHASSIS.
(1) Remove the 2 screws
[D]
as shown in Fig. 5.
(2) Remove the CENTER SPEAKER. If necessary, detach the
cables.
3.1.8 CHECKING THE PW BOARD
(1) Pull out the MAIN CHASSIS (Refer to REMOVING THE
MAIN 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.
3.1.9 CAUTION
(1) When erecting the MAIN CHASSIS, be careful so that
there will be no contacting with other PWB.
(2) Before turning power on, make sure that the wire connector
is properly connected.
(3) 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.
3.1.10 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.
Fig.1
Fig.2
Fig.3
SIDE
CONTROL
PWB
Connector
F
S
K
(Back view)
FRONT
C
C
AV JACK PWB
AV
TERMINAL
BOARD
H
I
H
AV TERMINAL
BOARD
SUB WOOFER
CORD
SUB WOOFER
CORD
K
CONNECTOR for
SUB WOOFER
K