Lens Motor Replacing Method; Installation - Sony DSC-W220 Service Manual

2-5. LENS MOTOR REPLACING METHOD

Replace the parts if the following events appear when the power switch is turned on.
1 "Turn off and on the power" is displayed without performing the zoom operation.
Replace Zoom Gear Block if a damage of lens barrel due to a drop of camera is not found.
(See "2-5-1. Zoom Gear Block Replacing Method")
Replace Lens Block if such replacement does not improve the failure.
2 "Turn off and on the power" is displayed after the "lens zooming in and out" operation over its full stroke was repeated
3 times.
Replace Optical Stepping Motor. (See "2-5-2. Optical Stepping Motor Replacing Method")
Replace Lens Block if such replacement does not improve the failure.
2-5-1. Zoom Gear Block Replacing Method
Removal
1 Remove one screw.
2 Remove Zoom Gear Block upward.
3 Remove Naruto Gear (S).
4 Disengage two claws A and B in this order to remove FG Plate Spring.
Note: The FG Plate Spring cannot be reused.
5 Remove two sensors on the lens flexible board.
6 Break two solders, and remove the lens flexible board.
3 Naruto Gear (S)

Installation

1 Confirm the direction of Zoom Gear Block, and install the lens flexible board with two solders.
2 Pass the lens flexible board through the mold of Zoom Gear Block to install two sensors.
3 Engage two claws A and B in this order to install FG Plate Spring.
4 Install Naruto Gear (S).
5 With four bosses fitted in position, install Zoom Gear Block.
6 Tighten one screw.
* Tightening torque = 0.049 ± 0.01N • m (0.5 ± 0.1kgf • cm)
2 Sensors
Zoom Gear Block
Claw A
DSC-W220_L2
1 Screw
2 Zoom Gear Block
1 Solders
Mold
Claw B
Mold
3 FG Plate Spring
5 Sensors
Zoom Gear Block
5 Zoom Gear Block
4 Naruto Gear (S)
2-8
6 Solders
Claw A
Claw B
4 FG Plate Spring
6 Screw
Front Side
Rear Side
Bosses
Bosses