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2-10

DSC-W90_L2

•

1

Unsolder the zoom motor.

2

Remove the FG leaf spring.

3

Remove the main flexible board from the zoom gear block.

4

Remove the zoom gear block.

•

1

Solder the main flexible board to the zoom gear block.

2

Install the main flexible board to the zoom gear block.

3

Attach the FG leaf spring.

1

Solder

2

FG leaf spring

Hook

Hook

4

Zoom gear block

3

Main flexible board

3

Main flexible board

Rear assembly

1

Solder

3

FG leaf spring

Zoom gear block

2

Main flexible board

2

Main flexible board

Rear assembly

2-11

DSC-W90_L2

4

Apply the lubricant (SRX-4339) to the nuruto gear, and insert it into the ring assembly.
* Rotate the gear in the ring assembly in the arrow direction until the end of the gear is not engaged 

with a concave portion of the ring assembly (because a convex portion of the rear assembly enters 
the convex portion).

5

Install the zoom gear block on the rear assembly.

6

Engaging four bosses, install the rear assembly on the ring assembly.
* The vibration-proof flexible board must be engaged with the hook of the rear assembly.

7

Tighten four screws in the order of A to D.
*

Tightening torque = 0.049 

±

 0.01N 

•

 m (0.5 

±

 0.1kgf 

•

 cm)

8

Check that the projection of the nuruto shaft that protrudes from the rear assembly is within the 
specified value given below.
*

Specified value: 0.005 – 0.395mm

4

Nuruto gear

Ring assembly

Ring assembly

7

Four screws

Hook

6

Vibration-proof 
flexible board

Nuruto shaft

Nuruto shaft

5

Zoom gear block

6

Rear assembly

Convex portion

Gear

Boss

Boss

0.005 – 0.395mm

8

D

A

B

C

2-12

DSC-W90_L2

9

Secure and connect the main flexible board.

q;

Secure and connect the vibration-proof flexible board and the shutter flexible board respectively.

Main flexible board

Main flexible board

Adhesive sheet (lower)

Hook

Hook

Ring assembly

Adhesive sheet (upper)

Z leaf 
spring

Hook

Hook

Shutter flexible board

Connector

Connector

Bousin flexible board

Adhesive 
sheet

Vibration-proof flexible board

2-13E

DSC-W90_L2

qa

 Install the OVF.
*When installing the OVF, fit a projection of OVF in the groove of the ring assembly.

Screw

Ring assembly

OVF

Projection

Groove

Confirm the operation after installing the lens block in the set.
1

Power ON/OFF

2

Expansion and contraction confirming of lens and opening and shutting confirmation of barrier.
Confirm there are neither dirt nor wounds in the surface of the ornamental ring (A) and lens 
if there is no problem in operation.
Wipe off when dirty.

3

Confirm the operation with Wide/Tele.

Do not be of caught etc.
Do not allophone.