DSC-W550 (serv.man2) - Sony Digital Camera Service Manual (repair manual). Page 4

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When you replace to the repairing board, the written destination data of repairing board also might be changed to original setting.
Start the Adjust Manual in the Adjust Station and execute the “DESTINATION DATA WRITE”.

When you replace to the repairing board, get the data from the former one.
Start the Adjust Manual in the Adjust Station and perform “RESTORE DATA” to get the data. 
The data getting for this model is as follows.

• USB SERIAL No.
• AWB standard data input & check, Color reproduction check

Note: When you cannot read data from the former replace the same time SY-284 board and lens.

PMB Portable has been written in internal memory.
SY-284 board for service is supplied with written the PMB Portable.

The set is shipped with a unique ID (USB Serial No.) written in it.
This ID has not been written in a new board for service, and therefore it must be entered after the board replacement.
Start the Adjust Manual in the Adjust Station and execute the “USB SERIAL No. INPUT”.

The data can be copied/erased by the operations on the HOME screen. (When erasing the data, execute formatting the internal memory.)

Note 1:When replacing the SY-284 board, erase the data in internal memory of the board before replacement.
Note 2:When replacing the SY-284 board, execute formatting and initialize the internal memory after replacement.

Copies all images in the internal memory to a memory card.

1.  Insert a memory card with sufficient free capacity into the camera.
2.  MENU 

 (Settings) 

 (Memory Card Tool) 

 [Copy] 

 [OK] 

Use a fully charged battery pack. If you attempt to copy image files using a battery pack with
little remaining charge, the battery pack may run out, causing copying to fail or possibly
corrupting the data.
Images cannot be copied individually.
The original images in the internal memory are retained even after copying. To delete the
contents of the internal memory, remove the memory card after copying, then format the
internal memory ([Format] in [Internal Memory Tool]).
A new folder is created on the memory card and all the data will be copied to it. You cannot
choose a specific folder and copy images to it.

Formats the memory card or the internal memory. When you use a memory card with this
camera for the first time, it is recommended to format the card using the camera for stable
performance of the memory card before shooting. Note that formatting permanently erases all
data on the memory card, and is unrecoverable. Save precious data on a computer, etc.

1.  MENU 

 (Settings) 

 (Memory Card Tool) or 

 (Internal Memory Tool) 

[Format] 

 [OK] 

Note that formatting permanently erases all data including even protected images.