JVC RX-6040B Service Manual page 12

3.14 Removing the power supply board
(See Fig.16)
• Prior to performing the following procedure, remove the top
cover.
(1) From the top side of the main body, disconnect the parallel
wires from the connectors
supply board.
(2) Disconnect the card wire from the connector
power supply board.
(3) Disconnect the relay board from the connector
the power supply board.
(4) Disconnect the parallel wire from the connector
the headphone jack board.
(5) Remove the solders from the soldered section c on the
power transformer board 1.
(6) Remove the two screws U and the screw V attaching the
power supply board.
(7) Remove the power supply board from the hook g of the
chassis base bracket in the direction of the arrow, take out
the power supply board.
(8) Turn over the power supply board, remove the solders from
the soldered sections h attaching the wires.
3.15 Removing the headphone jack board
(See Figs.16 and 17)
• Prior to performing the following procedure, remove the top
cover and front panel assembly.
(1) From the top side of the main body, disconnect the parallel
wire from the connector
board. (See Fig.16)
(2) From the front side of the main body, remove the nut and
screw W attaching the bracket(phones) to the chassis
base. (See Fig.17)
1-12 (No.MB159)
CN203 and CN241 on the power
CN201 on the
CN291
CN101
CN101 on the headphone jack
CN241
on
Parallel
wires
on
CN203
CN291
Relay
board
Hook g of the
chassis base bracket
Nut
W
Power supply board
Card wire
Headphone jack
CN201
U
board
CN101
Parallel
wire
Soldered
section h
Soldered
section c
Power transformer board 1
Fig.16
Headphone jack board
Bracket(phones)
Chassis base
Fig.17
U
V