JVC MX-GT90 Service Manual page 13

Removing the preset / tuning switch
board (See Fig.30 and 31)
Prior to performing the following procedure, remove
the display system control board.
1. Pull out the preset knob on the front panel.
2. Remove the five screws R attaching the preset /
tuning switch board.
Removing the operation switch board
Prior to performing the following procedure, remove
the display system control board and the preset /
tuning switch board.
1. Pull out the VOLUME knob on the front panel and
remove the nut. Pull out the SOUND MODE knob
and the SUB WOOFER level knob MIC LEVEL
volume knob(Only US, UW) toward the front.
2. Remove the twelve screws S and the screw S' (Only
US, UW) attaching the operation switch board.
3. Release the wire clamp.
4. Remove the screw T attaching the earth terminal
extending from the switch board.
Release each tab of the seven joints g retaining the
operation switch board.
(See Fig.31 and 32)
(US,UW only)
Preset / tuning switch board
R
PRESET knob
VOLUME knob
Joints g
S
Joint g
S
Joint g
S'
S
Joints g
R
Fig.30
SOUND MODE knob
SUB WOOFER
level knob
Nut
MIC LEVEL
volume knob
(US,UW only)
Fig.31
S
Operation
switch board
Joint g
Wire clamp
T
S S
S
Fig.32
MX-GT90
1-13