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Technics SX-PR603 Service Manual page 22

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9.2. Notes on replacing FLASH ROMs
The replacement parts include a FLASH ROM with a available memory and the PROGRAM DISKs
which contains the program to be written into the PROGRAM ROM. After replacing the PROGRAM
ROM, always write the program into it from the PROGRAM DISKs includedin the replacement
parts. For details on programming, see
9.3. How to write program into FLASH ROM
9.3.1. After replacing the PROGRAM ROM (IC11)
1. Set the PROGRAM DISK A (or No.1) included in the replacement
parts into the Floppy Disk Drive.
2. Hold down the PANEL MEMORY buttons 1 , 2 , 3 and 4 (as shown
in
Figure-32
3. Check "UPDATE SYSTEM MENU" screen is displayed on the LCD,
and release the PANEL MEMORY buttons.
Select [*UPDATE*] button under the display.
"After replacing the PROGRAM ROM (IC11)
), and turn on the power switch.
Figure-32
Figure-33
22
".

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