Toshiba SD-H400 Service Manual page 10

1-2. PC Board Replacement
1-2-1. DVD Main PC Board
Note:
• Before removing the DVD main PC board (4), be sure
to short-circuit the laser diode output land.
After replacing the DVD main PC board (4) and
inserting the flexible cables (2), open the land as it
was.
1. Remove the top cover. (Refer to 1-1-1.)
2. Disconnect a connector (1).
3. Remove seven flexible cables (2).
4. Remove four screws (3), then remove the DVD main
PC board (4).
Flexible cable (2)
Screws (3)
Flexible
cables (2)
Pickup head
Laser diode
output lands
Fig. 2-1-8
Flexible cables (2)
Connector (1)
DVD main
PC board (4)
Note:
• For the detailed information about DVD Main PC
board connection, see Fig. 2-1-9.
TO CNX01
(Tivo PC board)
To CTN21
(Tivo PC board)
CN901
To CTY01
(Tivo PC board)
To Pickuphead
To Loading
motor
CN503
To Stepper
Fig. 2-1-9
CN103
Power PC board
Main PC board
CN302
CN701
IC306
IC502 IC401
CN501
IC503
CN502 CN603
CN601
To PX02
(KDB Front PC board)
IC305