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Disassembly - JVC AV-48P775/H Service Manual

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3.1
DISASSEMBLY PROCEDURE
• Make sure that the power cord is pull out from the AC wall
outlet.
3.1.1 SPEAKER GRILLE
(1) Remove 2 screws [A] from rear side.
(2) The SPEAKER GRILLE bottom is pull out to the front, and
4 claws which are fixing the SPEAKER GRILLE are
removed.
(3) Take out the SPEAKER GRILLE.
*Remove the both side SPEAKER GRILLE same manner.
3.1.2 SPEAKER
• Take out the SPEAKER GRILLE.
(1) Remove 4 screws [B].
(2) Take out the SPEAKER.
(3) Disconnect the speaker wire from speaker terminal.
* Remove the both side SPEAKER same manner.
3.1.3 FRONT PANEL
• Take out the SPEAKER GRILLE.
(1) Remove 4 screws [C].
(2) The FRONT PANEL upper is pull out to the front, and 2
claws which are fixing the FRONT PANEL are removed.
(3) Take out the FRONT PANEL.
3.1.4 FRONT CONTROL BOX
• Take out the SPEAKER GRILLE.
• Take out the FRONT PANEL.
(1) Remove 5 screws [D].
(2) Take out the FRONT CONTROL BOX.
3.1.5 FRONT CONTROL PWB
• Take out the FRONT CONTROL BOX.
(1) Remove 2 screws [E].
(2) Take out the connector [CN00R], [CN001G], [CN001H] on
the FRONT CONTROL PWB.
(3) Remove 3 screws [F] from rear side of FRONT CONTROL
BOX.
(4) Take out the FRONT CONTROL PWB.
DIGITAL INPUT MODULE PWB
AV TERMINAL
BOARD
1-10 (No.YA173)
SECTION 3

DISASSEMBLY

SPEAKER
CAUTION AT DISASSEMBLY
Prior to disassembly, unplug the power cord 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 panel is inserted into the cabinet, release
the short-circuit between the SB connector [ 1] pin and
[2 ] pin of the DIGITAL INPUT MODULE PWB.
1
2
After releasing the short-circuit between the SB
connectors, do not turn the power on until the rear panel
3
4
is inserted into the cabinet.
5
6
Negligence in carrying out the above steps may cause
SB
connector
the inactivation of the TV.
A
FRONT
SPEAKER
SPEAKER
WIRE
B
(x4)
FRONT
CONTROL PWB
FRONT
CONTROL BOX
GRILL
E
(x2)
CLAW
(x4)
CLAW
D
(x2)
(x5)
FRONT
PANEL
C
(x4)
FRONT CONTROL BOX
D
E
(x2)
FRONT VIEW
FRONT CONTROL PWB
CN001H
CN001G
CN00R
Fig.1
(x2)
F
(x3)
CLAW
(x4)
SPEAKER
GRILL
(x5)
F
(x3)
A
(x2)

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This manual is also suitable for:

Av-56p785/hAv-56p775/h