JVC KD-R420J Service Manual page 10

3.1.4 Removing the CD mechanism (See Fig.6)
(1) Remove the three screws D attaching the CD mechanism.
D
3.1.5 Removing the Switch board (See Fig.7)
(1) Remove the Volume knob.
(2) Remove the four screws E attaching the Rear cover.
(3) Disengage the twelve hooks c engaging the Rear cover.
hook c
E
3.2 CD mechanism assembly section
3.2.1 Removing the Mecha control board
(1) Solder the short land on the pickup. (See Fig. 1)
(2) Remove the eight wires from the Mecha control board.
(See Fig.2)
1-10 (No.MA478<Rev.001>)
D
Fig.6
hook c
E
Fig.7
SOLDER
Fig.1
D
(3) Disconnect the flexible wire from the pickup connected to
the connector
Fig.3)
(4) Remove the two screws A attaching the Mecha control
board. (See Fig.3)
3.2.2 Removing the Traverse mechanism (See Fig.4, 5)
(1) Remove the five springs from the traverse mechanism.
(See Fig.4)
Fig.2
CN102 on the Mecha control board. (See
A
Fig.3
Fig.4
BLACK
RED
WHITE
YELLOW
ORANGE
ORANGE
WHITE
YELLOW
CN102