Pc Board Replacement; Main Pc Board; Output Pc Board - Mitsubishi Electric DD-6030 Service Manual

1-2. PC Board Replacement

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).
1. Remove the top cover. (Refer to item 1-1-1.)
2. Eject the tray. (Refer to item 1-1-2.)
3. Remove six flexible cables (1) and remove one
connector (2).
4. Remove four screws (3), then remove the main PC
board (4).
Twist more than 9 times.
Flexible
cable (1)
Tray
Pickup head
Laser diode
output lands
Pickup A
Fig. 2-1-7
Flexible
cables (1)
Connector (2)
Screws (3)
Flexible
cables (1)
Main
Flexible
PC board (4)
cable (1)
Pickup head
Laser diode
output lands
Pickup B

1-2-2. Output PC Board

1. Remove the top cover. (Refer to item 1-1-1.)
2. Peel off two tapes (1) and remove the connector (2).
3. Remove two flexible cables (3).
4. Remove five screws (4), then remove the output PC
board (5).
Connector (2)
Twist more than 9 times.
Fig. 2-1-8
Tapes (1)
Screws (4)
Flexible
cable (3)
Output
PC board (5)
Flexible
cable (3) Screws (4)