JVC TH-M303 Service Manual page 16

3.3.4 Removing the motor board
(See Figs.9 and 10)
(1) From the top side of the DVD chnager mechanism assem-
bly, remove the two belts from the motor pulleys. (See
Fig.9)
Caution:
Take care not to attach grease on the belt.
(2) Remove the four screws D attaching the motors to the
chassis assembly. (See Fig.9)
(3) From the bottom side of the DVD changer mechanism as-
sembly, remove the two screws E. (See Fig.10)
(4) Disconnect the connector
tray switch board and remove the motor board. (See
Fig.10)
(5) Disconnect the card wire from the connector
motor board. (See Fig.10)
Caution:
• When connecting the card wire, let the card wire through the
slots g of the motor board. (See Fig.10)
• When reattaching the motor, turn the side where the label
should be put to the front side. (See Fig.10)
Reference:
You need not to remove the tray assemblies, and in such case,
move it.
3.3.5 Removing the motor
(See Fig. 10)
• Prior to performing the following procedures, remove the motor
board.
(1) From the reverse side of the motor board, unsolder the four
soldered sections h on the motor board.
(2) From the forward side of the motor board, remove the mo-
tors.
3.3.6 Removing the DVD traverse mechanism assembly
(See Fig.11)
• Prior to performing the following procedures, remove the tray
assemblies.
(1) From the top side of the DVD changer mechanism assem-
bly, disconnect the card wire from the connector
the DVD servo board.
(2) Disconnect the wires from the connectors
CN453 on the DVD servo board.
(3) Remove the three screws F attaching the DVD traverse
mechanism assembly.
(4) Take out the DVD traverse mechanism assembly with DVD
servo board from the DVD changer mechanism assembly.
1-16 (No.MB184)
CN2 on the motor board from the
CN1 on the
CN451
CN452
Belt
D
Motor
Motor pulleys
Labels
CN2
CN1
DVD changer mechanism assembly
DVD changer mechanism assembly
on
Card wire
and
CN451
F
DVD traverse mechanism assembly
Motor
Chassis assembly
Fig.9
Motors
Motor board
Soldered sections h
Motor board
E E
Slots g
Motors
Card wire
Fig.10
CN452
CN453
DVD servo board
F
Fig.11
Belt
D