JVC KD-LHX552 Service Manual page 10

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3.1.6 Removing the main board 3 7 63 1515 0
(See Figs.10 and 11)
• Prior to performing the following procedures, remove the front
panel assembly, heat sink and top chassis assembly.
(1) From the rear side of the bottom chassis assembly, remove
the two screws H attaching the rear bracket to the bottom
chassis assembly. (See Fig.11)
(2) From the top side of the bottom chassis assembly, remove
the two screws J attaching the main board to the bottom
chassis assembly. (See Fig.11)
(3) Release the stopper of the connector
board in an upward direction, disconnect the card wire from
the connector CN701. (See Fig.11)
(4) Disconnect the wire from the connector of the front door
mechanism assembly. (See Fig.11)
(5) Disconnect the wire from the connector
board. (See Fig.11)
Reference:
After connecting the wires, fix the wires with the wire
holders.
(6) Take out the main board from the bottom chassis assem-
bly.
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1-10 (No.MA152)
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CN701 on the main
CN991 on the main
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2 9
8
Rear bracket
H
Front door mechanism assembly
Connector
Card wire
Wire holders
Q Q
3 6 7 1 3 1 5
J
Main board
CN991
co
.
9 4 2 8
Bottom chassis assembly
Fig.10
Bottom chassis assembly
CN701
Stopper
J
0 5 8 2 9 9 4 2 8
Wires
Fig.11
m
9 9
9 9