JVC RX-F31S Service Manual page 14

3.2 Front panel assembly section
• Remove the front panel assembly.
(See "3.1.2 Removing the front panel assembly".)
3.2.1 Removing the volume & JOG board
(See Figs.1 and 2)
(1) From the inside of the front panel assembly, remove the
four screws A and screw A' attaching the volume & JOG
board. (See Fig.1.)
Reference:
When attaching the screw A', attach the earth bracket
with it as before. (See Fig.1.)
(2) Take out the volume & JOG board while lifting it from the
front panel assembly little by little.
Reference:
The master volume knob and source selector knob are
removed from the front side simultaneously. (See Fig.2.)
(3) From the forward side of the volume & JOG board, discon-
nect the wire from the connector CN413. (See Fig.1)
3.2.2 Removing the headphone board
(See Fig.1)
(1) From the inside of the front panel assembly, remove the
screw A attaching the support board.
(2) Take out the headphone board from the front panel assem-
bly.
3.2.3 Removing the FL board
(See Fig.1)
• Remove the volume & JOG board and headphone board.
(1) Remove the four screws A and take out the FL board form
the front panel assembly.
(2) From the forward side of the FL board, disconnect the wires
from the connectors (CN414, CN415).
3.2.4 Removing the key & LED board
(See Fig.3)
• Remove the volume & JOG board, headphone board and FL
board.
(1) From the seven screws A attaching the key & LED board.
(2) Take out the key & LED board from the front panel assem-
bly.
1-14 (No.MB449)
Earth bracket
A A A
A' A
Volume & JOG board Front panel assembly
Fig.1
Front panel assembly
Source selector knob
Fig.2
Key & LED board
A
A
Front panel assembly
Fig.3
Headphone board
Support board
FL board
CN415
A
CN414
Master volume knob
A