Yamaha DSP-E800 Service Manual page 20

Av processor/amplifier
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DSP-E800
No.11 EEPROM WRITING FUNCTION
The check sum value confirmation of EEPROM and data writing
M : X X X X E : X X X X
No.12 UNIT INFORMATION/EXIT
The version of the microcomputer and the check sum, the model type and the destination are displayed.
By the sub-menu operation, the set exits the self-diagnosis mode and returns to the normal operating mode.
1 2.
A 0 1
8 2 4 E
Version
1 2.
DSP - E
Model type
EXIT
17
M:XXXX: The check sum value is displayed when the microcomputer has ROM
modification data.
0000 is displayed when there is no data.
E:XXXX: The check sum value is displayed when the EEPROM is installed on and
it has the ROM data .
000 is displayed when EEPROM is not installed on or data is unusual.
If you want to write ROM modification data of the microcomputer into the
EEPROM, change to the next sub-menu.
The version and the check sum of the microcomputer software are displayed.
A01: Microcomputer software version
824E: Microcomputer software check sum
Check sum
The model type and the destination are displayed.
DSP-E: Model type
DSP-E= DSP-E800

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