JVC RV-NB10BB, Service Manual

Page: 20 / 103

1-20 (No.MB519)
3.2.3 Removing the spindle motor and feed motor
(See Fig.2 to 4)
(1) Remove the two screws B attaching the feed motor. (See
Fig.2.)
(2) Remove the turn table in an upward direction and remove
the two screws C attaching the spindle motor. (See Fig.3.)
(3) From the bottom side of the CD mechanism base assem-
bly, remove the screw D attaching the spindle/feed motor
board. (See Fig.4.)
(4) Remove the solders from the sections ( c , d ) on the spindle/
feed motor board. (See Fig.4.)
3.2.4 Installing the spindle motor and feed motor
(See Figs.3 to 6)
(1) Tighten the two screws B and two screws C to the same
torque. (See Figs.2 and 3.)
(2) Fasten the spindle/feed motor board with the screw D .
(See Fig.4.)
(3) Solder the spindle and feed motors on the spindle/feed mo-
tor board as before. (See Fig.4.)
(4) Install the turn table. When installing, press straight down
at the center of the turn table until the distance from the sur-
face of the CD mechanism base assembly to the top of the
turn table is exactly 19.4±0.1mm. (See Fig.5.)
(5) After insertion is complete, bond the motor shaft and turn
table together. (See Fig.6.)
(6) Use 'LOCKTITE' #460 bonding agent, and apply as little as
possible. Take care not to allow any excess bonding agent
to get onto the turn table. Be extremely careful not to allow
bonding agent to adhere to the motor bearings. (See
Fig.6.)
Fig.3
Fig.4
Fig.5
Fig.6
Turn table
C
Spindle motor
Spindle motor
Feed motor
c d
D
Spindle/feed motor board
CD mechanism base assembly
19.4
0.1mm
Turn table
Spindle motor
Turn table
'LOCKTITE' #460