See Fig. - JVC KW-XG500J, KW-XG504UI Service Manual

3.1.5 Removing the FUNC BOARD assembly

(See Fig.5)

(1) Remove the one screw H attaching the FUNC BOARD as-
sembly.
(2) Disconnect the connecter wire from MAIN BOARD assem-
bly connected to connector
assembly.
(3) Straighten hook b attaching the FUNC BOARD assembly.
3.1.6 Removing the MIDDLE CHASSIS
(See Fig.5)
(1) Remove the four screws J attaching the MIDDLE CHAS-
SIS.
(2) Disconnect the connector
MIDDLE CHASSIS from the CD mechanism assembly in
an upward direction.
3.1.7 Removing the MAIN BOARD assembly
(See Fig.6)
(1) Remove the four screws K attaching the MAIN BOARD as-
sembly.
1-12 (No.MA345)
CN322 of the FUNC BOARD
CN501 of the main board on the
CN501
J
b
hook
H
CN322
Fig.5
K
Fig.6
J
K