DSC-RX100M2 (serv.man2) - Sony Digital Camera Service Manual (repair manual). Page 6

DSC-RX100M2_L2

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6)  Click the [File Update] button in the window.
 

7)  A file selection screen opens. Select the Destination Data file to be added and click the [Open] button.
 

8)  When the file has been successfully added, the following window opens.
 

9)  Check the Destination Ver. window and confirm that the version has been updated.

Destination Ver. window

When the CD-847 Flexible Board (Imager) is mounted to the lens, shift and tilt adjustment is made with Spacer Plates.
When removing the CD-847 Flexible Board, pay attention to the following.

(1)  When the lens is not replaced
 

Example: In the case of disassembly, cleaning, or replacement of the CD-847 Flexible Board (Imager)

•  Check and record the size of the built-in three Spacer Plates and store them so as not to lose them.
•  When assembling the CD-847 Flexible Board, be sure to install the Spacer Plates to their original locations.

Size

0.xx

Note
Be careful not to lose the Spacer Plates.
If any Spacer Plate is lost or their previous positions are not sure, repeatedly take a photo and check that there is no local defocus. 

is needed.

(2)  When the lens is replaced

•  Check the size of the built-in three Spacer Plates. If the thickness of a Spacer Plate is not 0.20, discard the Spacer Plate.
•  Prepare three Spacer Plates B (t = 0.2) (Sony Part No.: 4-410-540-01) and install them to the new lens.

0.20