Removing The Primary Board; Removing The Bridge Board - JVC DX-T7 Service Manual

3.1.12 Removing the primary board

(See Fig.20)
• Remove the metal cover, tuner, fan, rear panel, main board,
amplifier 1 board and amplifier 2 board.
(1) From the left side of the main body, remove the screw Q
and screw R attaching the primary board.
(2) Disconnect the wires from the connectors (CN103, CN106)
on the primary board.
(3) Disconnect the parallel wire while releasing the lock of the
connector CN105 on the primary board in the direction of
the arrow.
(4) Release the claw m in thr direction of the arrow and discon-
nect the primary board from the bridge board toward this
side while releasing the claw n of the connector
the primary board.
Note:
When releasing the claw n, take care not to break it.
(5) Disconnect the wires from the connectors (CN101, CN102)
on the forward side of the primary board.
(6) Disconnect the power cord from the connector
the primary board.
(7) Take out the primary board from the main body.

3.1.13 Removing the bridge board

(See Fig.21)
• Remove the metal cover, tuner, fan, rear panel, main board,
amplifier 1 board, amplifier 2 board and primary board.
(1) From the top side of the main body, disconnect the parallel
wire from the connector
(2) Remove the wire holders bundling the wires.
Reference:
After reassembling, bundle the wires with the wire hold-
ers as before.
(3) Remove the screw S attaching the bridge board.
(4) Take out the bridge board from the main body.
1-20 (No.MB368)
CN104
CN100
CN202 on the bridge board.
Bridge board
n
CN104
Primary board
CN102
on
CN101
on
CN100
Power cord
Primary board
CN202
Bridge board
CN105
CN103
CN106
m
R
Fig.20
Wire holders
S
Fig.21
Lock
Q