Toshiba SD-220EB Service Manual page 89

2-2-4. Front PC Board (SD-220)
1. Remove the front panel. (Refer to item 1-1-3.)
2. Remove seven screws (1), then remove the front
display PC board (2).
3. Remove the flexible cable (3).
4. Remove three screws (4), then remove the ENTER
switch (5).
ENTER
Switch(5)
Fig. 2-1-24
2-2-5. Front PC Board (SD-120)
1. Remove the front panel. (Refer to item 1-1-3.)
2. Remove eight screws (1), then remove the front
display PC board (2).
Fig. 2-1-25
Screws (4)
Front display
PC board (2)
Screws (1)
Flexible
cable (3)
Front display
PC board (2)
Screws (1)
2-3. Mechanism Parts
2-3-1. Mechanism Chassis Assembly
Note:
• When removing the mechanism chassis assembly (3),
be sure to short-circuit the laser diode output land
before removing the connector and the flexible cables.
After replacing, open the land as it was after inserting
the connector and flexible cables.
1. Remove the tray. (Refer to items 2-1-3 and 2-1-4.)
2. Remove three flexible cables (1).
3. Remove four screws (2), then remove the mechanism
chassis assembly (3).
Screws (2)
Mechanism
chassis assembly (3)
Fig. 2-1-26
Pickup head
Laser diode
output lands
Flexible cables (1)