JVC RX-5042S Service Manual page 11

3.13 Removing the power supply board
(See Fig.13)
• Prior to performing the following procedures, 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) Remove the tie band fixing the parallel wire.
(5) Disconnect the parallel wire from the connector
the headphone jack board.
(6) Remove the solders from the soldered section d on the
power transformer board 1.
(7) Remove the three screws Q and screw R attaching the
power supply board.
(8) From the reverse side of the power supply board, remove
the solders from the soldered sections h attaching the
wires.
3.14 Removing the headphone jack board
(See Figs.13 and 14)
• Prior to performing the following procedures, remove the top
cover and front panel assembly.
(1) From the top side of the main body, remove the tie band
fixing the parallel wire. (See Fig.13)
(2) Disconnect the parallel wire from the connector
the headphone jack board. (See Fig.13)
(3) From the front side of the main body, remove the special
nut and screw S attaching the bracket (phones) to the front
bracket. (See Fig.14)
CN203 and CN241 on the power
CN201 on the
CN291
CN101
CN101
CN241
on
Parallel wires
CN203
on
CN291
Q
Relay board
Power transformer board 1
on
Special nut
S
Q
Power supply board
Card wire
Parallel wire
CN201
Tie band
CN101
Headphone
jack board
Soldered
section h
Soldered section d
Fig.13
Headphone jack board
Bracket(phones)
Front bracket
Fig.14
(No.MB171)1-11
Q
R