JVC MX-J300 - Page 13

MX-J300
1-13
Prior to performing the following procedure, remove
the rolling panel assembly.
Pull out the volume knob on the front of the front
panel assembly and remove the nut attaching the
volume board.
Unhook the two hooks j on the back of the front
panel assembly and detach the volume board.
1.
2.
Remove the three screws T attaching the function
board 2.
Unsolder FW1004 on the function board 2 and
disconnect the harness extending from the eject
switch board.
1.
2.
Remove the two screws S attaching the function
board 1. Detach the function board downwards
while releasing it from the part k.
Unsolder FW1002 on the function board 1 and
disconnect the harness extending from the power
switch board.
1.
2.
Removing each board in the front panel
assembly (See Fig.31 to 33)
~Function board 1~ (Fig.31 and 33)
~Function board 2~ (Fig.31)
~Volume board~ (Fig.31 and 32)
Remove the screw W attaching the headphone
board.
1.
Remove the three screws V attaching the power
switch board.
Unsolder FW1002 on the power switch board and
disconnect the harness extending from the function
board 1.
1.
2.
Remove the four screws U attaching the eject switch
board.
Unsolder FW1004 on the eject switch board and
disconnect the harness extending from the function
board 2.
1.
2.
~Eject switch board ~ (Fig.33)
~Power switch board~ (Fig.31 and 33)
~Headphone board~ (Fig.33)
Fig.31
Fig.32
Fig.33
V
V
S
V
U
U
T
Power switch board
FW1002
Function board 1
(Tape / AWX)
Eject switch board
FW1004
Volume board
FW1002
Function board 2
(Audio / CD)
FW1004
Volume board
Hooks j
V
V
W
S
Function board 1
FW1002
Power switch board
FW1002
Headphone board
Part k