Toshiba e-STUDIO556 Service Manual page 205

(3) Take off the laser optical unit [1] by slowly
pulling it out toward the front side.
Notes:
1. When taking out the laser optical unit, pay
attention that you do not allow it to
contact with the laser control board.
2. Do not take off the board installed in the
laser optical unit or loosen the fixing
screws of the board.
4.5.3 Laser control PC board (PLG board)
(1) Remove the laser optical unit.
( P.4-36 "4.4.2 Laser optical unit")
(2) Disconnect 2 connectors connected to the
laser control PC board [1].
(3) Release 2 harness clamps [1] and remove 2
screws.
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Fig. 4-112
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Fig. 4-113
Fig. 4-114
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DISASSEMBLY AND REPLACEMENT
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