DOWNLOAD Sony DSLR-A900 Service Manual ↓ Size: 19.73 MB | Pages: 112 in PDF or view online for FREE

2-14

DSLR-A900_L2

1.

Set the Aperture Unit to a free position once, if the gear was rotated accidentally and the charge position is disordered, or if
the charge position was shifted during disassembly.

In a free state, the edge of this spring 
will move up and down about 1 mm if 
the gear is moved a little.

Gear rotating 
direction to make 
the unit free

Gear rotating 
direction to set 
the charge position

In a free state, a hole in the gear almost 
coincides with a hole in the Aperture Unit.

As viewed from gear
(Hole in the gear)

Note: The spring is deformed and cannot 

be used if the gear is rotated too 
much from a free state.

If the edge of spring is located downward,
rotate the gear in the arrow direction to
search a free position.
* In a free position, the edge of spring is

First, check the spring edge position.

2-15

DSLR-A900_L2

Grease uses G-15 (J-6082-619-A).

Grease uses G-85 (J-6082-626-A).

Grease

Grease

Grease

2-16

DSLR-A900_L2

<Preparation for Remedy>
If you use the new Jig (J-6082-663-A) below, make sure to clean the CCD Cleaning Jig (Tip) below before using, please.
Note: Protection sheet is for preventing the scratch of a surface on the Jig (Tip).

The protection sheet may be come off the Jig when you take the Jig from a bag, but it is no problem.

<Cleaning Procedure for Tip of CCD Cleaning Jig>
1.

Put the two cleaning cloths on a tray like below.
1

 Souse the one cleaning cloth in ethyl alcohl.

2

 Put the other cleaning cloth on a tray as it is dry.

2.

Dab the tip of CCD cleaning jig at the cleaning cloth of 1 5 or 6 times.
* Do not slide the tip from right to left or up and down while dabbing.

3.

Dab the tip of CCD cleaning jig at the cleaning cloth of 2 5 or 6 times.
* Do not slide from right to left or up and down while dabbing.

4.

Wait until the tip will be dried completely.

CCD Cleaning Jig (New)
(J-6082-663-A)

CCD Cleaning Jig

CCD Cleaning Jig (Tip)

Protection Sheet

1

Souse the cleaning
cloth in ethyl alcohol.

2

The dry cleaning cloth.

2-17E

DSLR-A900_L2

Cleaning Jig
(J-6082-635-A)

Cleaning Cloth
(J-6082-636-A)

Cut

EE3310

 OLPF

<Cleaning Procedure for the OLPF>
1.

Clean up the tip of CCD cleaning jig.

2.

Set a camera to a cleaning mode.

3.

Dab the tip of CCD cleaning jig at the OLPF, and pull up straight.
* Do not slide from right to left or up and down while dabbing.

4.

Repeat “3” several times to clean up.

5.

According to service manual, check if there is dirt on the CCD.

<ATTENTION>
If you cannot remove dirt with remedy above, cleaning by the following jig are used.
Soak a small amount of EE3310 (Liquid cleaner) after wrapping the cleaning cloth (J-6082-636-A) around the cleaning jig (J-
6082-635-A).