JVC MX-J270V Service Manual page 12

MX-J270V
Removing the display board and the
bracket
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the front panel assembly.
1. Disconnect the card wire from connector CN306 on
the cassette amplifier board.
Remove the four screws S attaching the front panel
2.
assembly.
3. Remove the four screws T attaching the front panel
assembly.
Unsolder FW701, FW702, FW703, FW704 and
4.
FW705 on the display board. Disconnect the
harnesses extending from the power switch board,
the eject switch board, the volume board and the
multi-control board respectively
Removing each board in the front panel
assembly
Prior to performing the following procedure, remove
the display board.
~Removing the multi-control board~
1. Remove the eight screws U attaching the multi-
control board.
~Removing the volume board~
1. Pull out the volume knob on the front side of the front
panel assembly and remove the nut attaching the
volume board.
2. Unhook the two hooks l on the back of the front
panel assembly and detach the volume board.
~Removing the eject switch board ~
Remove the four screws V attaching the eject switch
1.
board.
~Removing the power switch board~
Remove the three screws W attaching the power
1.
switch board.
Front panel
assembly
Volume
Fig.30
1-12
(See Fig.27 and 28)
(See Fig.29 to 31)
(See Fig.29)
(See Fig.30 and 31)
(See Fig.29)
(See Fig.29)
knob
Volume
board Hooks l
Fig.31
S
Bracket
Display board
Fig.27
T
FW703
FW701
T
Display board
Fig.28
U
V
Eject
switch
board
Volume
board
U
U
Front panel assembly
Fig.29
Front panel assembly
Front panel assembly
FW702
T
FW704
FW705
Power
W
switch
board
Multi-
control
board
U
U
U