JVC RX-6040B, Руководство по обслуживанию

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(No.MB159)1-11
3.11 Removing the center amp. board, front amp. boards (L/R) and rear amp. boards (L/R)
(See Figs.12 and 14)
• Prior to performing the following procedure, remove the top
cover and main board.
(1) Remove the ten screws P attaching the heat sink. (See
Fig.12)
(2) Disconnect the center amp. board from the connector
CN321 on the main board. (See Fig.14)
(3) Disconnect the front amp. board (L) from the connector
CN311 on the main board. (See Fig.14)
(4) Disconnect the front amp. board (R) from the connector
CN312 on the main board. (See Fig.14)
(5) Disconnect the rear amp. board (L) from the connector
CN331 on the main board. (See Fig.14)
(6) Disconnect the rear amp. board (R) from the connector
CN332 on the main board. (See Fig.14)
Fig.14
3.12 Removing the power transformer
(See Fig.15)
• Prior to performing the following procedure, remove the top
cover.
(1) From the top side of the main body, remove the tie bands
fixing the wires.
(2) Remove the solders from the soldered section c on the
power transformer board 1.
(3) Remove the solders from the soldered sections d on the
power transformer board 2.
(4) Disconnect the wire from the connector CN251 on the
power transformer board 1.
(5) Remove the four screws R attaching the power
transformer.
3.13 Removing the power/fuse board
(See Fig.15)
• Prior to performing the following procedure, remove the top
cover.
(1) From the back and top sides of the main body, remove the
screw S and screw T attaching the power/fuse board.
(2) Remove the solders from the soldered sections e attaching
the power cord.
(3) From the reverse side of the power/fuse board, remove the
solders from the soldered sections f attaching the wires.
Fig.15
Rear amp.
board (R)
Front amp.
board (R)
Center amp.
board
Rear amp.
board (L)
Front amp.
board (L)
CN332 CN331 CN312 CN311 CN321
Main board
CN251
Soldered
section
c
Soldered
sections d
Soldered
sections e
Soldered
sections f
Tie band
Tie band
Power
transformer
Power
transformer
board 2
Power cord
R
R
T
S
R
R
Power transformer board 1
Power/Fuse
board