Toshiba D-R2SU Service Manual page 12

1-2-2. Mother PC Board
1. Remove the RAM drive. (Refer to item 1-1-5.)
2. Remove the rear panel. (Refer to item 1-1-7.)
3. Disconnect three connectors (1).
4. Disconnect the flexible cable (2).
5. Remove four screws (3), then remove the mother PC board (4).
Screws (3)
Mother PC board (4)
Flexible cable (2)
Connectors (1)
Connector (1)
Fig. 2-1-9