JVC XV-N30BK(MK3) Service Manual page 11

3.1.3 Removing the mechanism assembly (See Figure 2, Figure 5)
• Prior to performing the following procedure, remove the top
cover.
• There is no need to remove the front panel assembly.
(1) Insert a kind of screwdriver in a hole located in the right
side of mechanism assembly, and push a lever until it can-
not be inserted any further.
(2) And then, a tray will come out. Remove the tray in an upper
direction, with slightly opening the lower part of fitting in an
outward direction.
(3) Remove the three screws C attaching the mechanism as-
sembly. At this time, a shield plate also separates simulta-
neously.
(4) Disconnect the card wire from connector
output terminal board.
(5) Disconnect the wire from connector CN501, CN502,
CN503 on the servo control board respectively.
(6) Remove the mechanism assembly by lifting the rear part of
the mechanism assembly.
3.1.4 Removing the servo control board (See Figure 6, Figure 7)
• Prior to performing the following procedure, remove the mech-
anism assembly.
(1) A tray is made to slide ahead.
(2) A gear 1 is turned counterclockwise. Then, a pick-up unit
moves back.
(3) It solders to two c sections on the pick-up unit.
(4) Remove the three screws D attaching the servo control
board.
(5) Disconnect the card wire from connector CN201,
on the servo control board.
(6) Disconnect the flexible wire from connector
servo control board from pick-up unit.
ATTENTION:
Please extract the wire after short-circuited of two places
on the wire in part c with solder. Please remove the sol-
der two places of part c after connecting the wire with
CN101 when reassembling.
CAUTION:
Be sure to solder the short land sections "c" on the pick-
up unit before disconnecting the card wire from connec-
tor CN101 on the DVD servo control board.
If the card wire is disconnected without attaching solder,
the pick-up unit may be destroyed by static electricity.
CN702
CN502
CN503
CN702 on the
Output terminal board
CN202
Gear1
CN101 on the
Mechanism assembly
C
C
CN501
Fig.5
Pick-up
Fig.6
CN202
CN201
CN101
D
Servo control board
Fig.7
C
Shield plate
Part c
D
D
(No.XA014)1-11