Sony PDW-U4 Service Manual page 85

Professional disc drive unit
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3. Remove the four shoulder screws (φ9), and then remove the BU assembly.
Note
Do not hold the spindle motor. Hold the portion A of the base plate.
Shoulder screws (φ9)
BU assembly
Base plate
Portion A
(Central part of the base plate)
4. Disconnect the flexible cable from the connector (CN2) on the SE-1005A board.
5. Remove the two screws (PSW2 x 6), and then remove the sled motor.
Note
When the spindle motor is facing down during work, be careful not to apply a load to the spindle
motor. Stressing the spindle motor may degrade its performance or cause a failure.
CN2 (SE-1005A board)
Spindle motor
6. Install the removed parts by reversing the steps of removal.
Spindle motor
PSW2 x 6
Flexible cable
Shoulder screws (φ9)
Sled motor
Hole
Boss
Sled motor
82

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