JVC MX-J570V Service Manual page 11

Removing the boards in the front panel
assembly (See Fig.17 and 18)
Prior to performing the following procedure, remove
the front panel assembly, the microphone terminal
board assembly and the rolling panel assembly.
Function board1 (See Fig.17)
1.
Remove the two screws Q attaching the function
board 1.
Function board2 (See Fig.17)
1.
Remove the two screws R attaching the function
board 2.
Bass-level regulator board (See Fig.18)
1.
Pull out the bass-level knob on the front side of the
front panel assembly and remove the nut attaching
the bass-level regulator board.
2.
Release the two joints e. Unsolder FW951 on the
bass-level regulator board and disconnect the
harness connected to the power switch board.
Main volume & headphone board (See Fig.18)
1.
Pull out the volume knob on the front side of the front
panel assembly and remove the nut attaching the
main volume & headphone board.
2.
Remove the two screws S attaching the main volume
& headphone board on the back of the front panel
assembly and release the two joints f.
3.
Remove the screw P attaching the earth wire
extending from the main volume & headphone
board.
4.
Unsolder FW850 on the main volume & headphone
board and disconnect the harness connected to the
eject switch board.
R
Function
board 2 R
Eject switch board
FW850
Joints f
S
P
Main volume & headphone board
Fig.18
MX-J570V/MX-J680V
Q
Function
Q board 1
Fig.17
Power switch board
FW951
Bass-level
regulator board
Joints e
Cassette mechanism assembly
1-11