Toshiba SD-2300 - Pc Board Replacement

1-2. PC Board Replacement
Note:
• The flexible cable of the game port PC board may be
connected to the front PC board or to the main PC
board.
When connecting to the main PC board, refer to the
followings for wiring.
Fig. 2-1-9
1-2-1. Main PC Board
Note:
• Before removing the main PC board (4), be sure to
short-circuit the laser diode output land.
After replacing, open the land as it was after inserting
the flexible cables (1).
• The game port PC board and the main PC board may
be connected. (Refer to Fig. 2-1-9.)
1. Remove the top cover. (Refer to item 1-1-1.)
2. Remove seven flexible cables (1) and remove one
connector (2).
3. Remove four screws (3).
4. Release two claws and remove the main PC board (4).
Note:
• When mounting, be sure to twist the wire for the
connector (2) several times.
Fig. 2-1-10
Ferrite
core
Ferrite
core
Main
PC board
Ferrite
core
Ferrite
core
IC
Both sides
adhesive tape
Both sides
adhesive tape
Game port
PC board
Flexible
cable
Aluminium tape
(80mm)
Flexible
cable
Aluminium tape
(50mm)
Flexible
cable
Bend
here
Bend
here
Game port
PC board
Flexible
cables (1)
Flexible
cables (1)
Screws (3)
Main PC board (4)
Claws
Connector (2)
Twist more than 7 times.
Pickup head
Laser diode
output lands