JVC UX-A5 - CD Unit and Board Dismounting Methods; CD Player Unit Assembly Disassembly Guide; 3 F and 2 F P.C. Board Dismounting Procedures

UX-A5 A/B/E/G/GI/EN
—@
Method
of
Dismounting
CD
Player
Unit
Assembly
Section
1.
Remove
the
two
screws
©)
and
the
two
rear
side
bosses
retaining
the
CD
player
ass‘y.
2.
Dismount
the
wires
provided
from
the
CD
P.C.
board
ass’y
to
the
3F
P.C.
board
ass’y
according
to
the
follow-
ing
procedures:
3F
P.C.
board
CN707:
From
CD
board
CN504
3F
P.C.
board
CN706:
From
CD
door
sensor
and
motor
P.C.
board
3F
P.C.
board
CN705:
From
CD
P.C.
board
FW501
Then,
the
CD
player
ass‘y
can
be
dismounted.
@
Method
of
Dismounting
3F
P.C.
Board
(Microcomputer
P.C.
Board)
1.
From
both
side
chassis,
remove
the
three
screws
@)
retaining
the
3F
P.C.
board
(microcomputer
P.C.
board).
2.
From
the
3F
P.C.
boards
CN703
and
CN704,
remove
the
wire
connecting
between
the
2F
P.C.
board(micro-
computer
P.C.
board)
and
1F
P.C.
board.
3.
Dimount
the
channel
space
switch
ass’y
from
the
rear
left
side.
@
Method
of
Dismounting
2F
P.C.
Board
(Tuner
P.C.
Board)
ett
1.
From
both
side
chassis,
remove
the
two
screws
3F
Board
2
retaining
the
2F
P.C.
board
(tuner
P.C.
board).
CN706
ll
2.
From
the
2F
P.C.
board
(tuner
P.C.
board),
dismount
the
“
ee
[|
10
pin
connector
CN301
through
to
the
1F
P.C.
board
ols
pace
z
(function
P.C.
board).
=
3.
Remove
the
four
screws
retaining
the
1F
P.C.
board
sai
(function P.C. board).
) g
©)
re |
4
From
Switch Board
Fig. 5-7
6
(No.
1857)