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Removing the main board
Remove the left and right side plates.
Remove the top cabinet.
Remove the front cabinet assembly.
Remove the CD mechanism assembly.
1.
From the inside of the main body, remove the five
screws P retaining the bracket. (See Fig.18.)
2.
From the top side of the main body, remove the
wires from the connectors CN104 and CN106 on
the AM and FM antenna boards. (See Fig.19.)
3.
From the rear side of the main body, remove the
two screws Q and three screws R retaining the rear
cabinet. (See Fig.18.)
4.
Remove the screw S and screw S' retaining the FM
antenna board and earth wire. (See Fig.18.)
[Note] When attaching the screw S', attach the
earth wire together the FM antenna
board.
5.
Remove the rear cabinet.
6.
From the top side of the main body, remove the
wire clamp bundling the wires. (See Fig.19.)
7.
Remove the screw T retaining the bracket of the
main board. (See Fig.19.)
8.
Remove the screw U retaining the regulator
IC(IC302). (See Fig.19.)
9.
Remove the tie bands bundling the wires.
10.
Disconnect the wire from the connector CN901 on
the power board. (See Fig.19.)
11.
Remove the locking board support on the main
board, and then take out the main board from the
bottom case. (See Fig.19.)
(See Figs. 18 and 19.)
(See Fig.19.)
S'
R
Q
Regulator IC
AM antenna board
T
Heat sink
CN104
Wire clamp
Earth wire
Bracket
FM antenna board
P
S
P
Rear cabinet
R
Fig.18
Main board
(IC302)
Locking board support
U
CN901
CN106
Bottom case
Power board
Tie bands
Fig.19
UX-M55
1-9
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