30
4-3. Actions to be Taken during Board Replacement and after Board Replacement or
after Board Repair
4-3-1. Stored Data of ICs
The table below lists data retained in the IC on the following boards.
When any of the following boards or ICs is replaced, deal with action to be taken in replacing parts.
•
The part number listed in “Section 10 Spare Parts” is for IC which is not programmed. If replacement is needed, contact your
local Sony Sales Office/Service Center.
•
When replacing the ICs on the AT-195/NET-49 board, update the model information data on the REFRESH SERIAL NO. page
of the SERVICE menu. As for how to update the data, contact your local Sony Sales Office/Service enter.
Board Name
Ref. No.
Stored Data
IF-1331
IC010
CMOS adjustment data, RPN compensation data
AT-195
IC401
Model information data, APR compensation data, File system
MB-1259
IC102
MAC address, 27 MHz VCO Free-Running Adjustment date, Paint data, etc.
NET-49
IC1
Model information data
4-3-2. Alignment and Setting Required when Replacing AT-195 Board
Camera setting status and files are stored in the AT-195 board. When the AT-195 board is replaced, contents of the reference file,
scene file, lens file, and operator file are lost. Store these files in a USB drive and then replace the AT-195 board.
The content of the OHB file stored in the OHB assembly is not lost.
Procedure
1. Store the reference file, scene file, and operator file in a USB drive.
•
Reference file (Refer to “7-5. Reference File”.)
•
Scene file (Refer to “7-4. Scene File”.)
•
Operator file (Refer to “7-2. Operator File”.)
2. Replace the AT-195 board.
3. Update to the latest version of the software. (Refer to “6-1. Upgrading Software Programs”.)
4. Execute ALL PRESET on the FILE CLEAR page of the FILE menu. (Refer to “7-5. Reference File”.)
5. Execute STORE FILE on the REFERENCE page of the FILE menu. (Refer to “7-5. Reference File”.)
6. Execute the automatic adjustment. (Refer to “5-2. Automatic Adjustment”.)
7. Load the reference file, scene file, and operator file stored in the USB drive in step 1.
•
Reference file (Refer to “7-5. Reference File”.)
•
Scene file (Refer to “7-4. Scene File”.)
•
Operator file (Refer to “7-2. Operator File”.)
8. Execute AUTO LEVEL on the AUTO SETUP page of the MAINTENANCE menu. (Refer to “7-5. Reference File”.)
4-3-3. Alignment and Setting Required when Replacing MB-1259 Board or VIF-77 Board
The 27 MHz VCO circuit is stored in the VIF-77 board and the 27 MHz VCO free -run adjustment data is stored in the MB-1259
board.
When replacing MB-1259 board or VIF-77 board, adjustment of 27 MHz VCO free-run is necessary.
For details, refer to the “5-7-1. 27 MHz VCO Free-Running Adjustment”.
Note
