Eeprom Writing Function; Check Sum/Version/Port Setting/Exit - Yamaha RX-V496 Service Manual

RX-V496/RX-V496RDS/HTR-5240/HTR-5240RDS
No.11 EEPROM WRITING FUNCTION
The check sum value confirmation of EEPROM and data writing.
Signal route is the same as "2. EFFECT OFF" of "No. 4 PRO LOGIC".
M : X X X X E : X X X X
No.12 CHECK SUM/VERSION/PORT SETTING/EXIT
The version, the check sum, and the port setting of the microcomputer are displayed.
Signal route is the same as "2. EFFECT OFF" of "No.4 PRO LOGIC".
By the sub-menu operation, the set exits the self-diagnousis mode and returns to the normal operation mode.
1 2 S U M : 9 5 4 9 A
Check sum
1 2 V E R : A 0 1
Version
1 2 P : 0 1 0 0 0 1 0 0
EXIT
*1 Model type distinction (H=1, L=0)
DSP-A (Pin 3) 0
DSP-A
RDS (Pin 6) 0
*2 Destination distinction of Tuner (H=1, L=0)
V1 (Pin 4) 0
V2 (Pin 5) 0 model
19
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 mounted 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.
SUM: 9549A : The check sum of the microcomputer software is displayed.
VER:A01 : The version of the microcomputer software is displayed.
bit 7 6 5 4 3 2 1 0
0 1 0 0 0 1 0 0
0 1
DSP-E
1 0
J 0 U,C 1
1 models 0
Always absent (0)
Always absent (0)
Tuner Mode V1 (*2)
Tuner Mode V2 (*2)
Always absent (0)
Always absent (0)
Model Type RDS (*1)
Model Type DSP-A (*1)
RX-V396
1 RX-V396RDS
HTR-5230
1 HTR 5230RDS
DSP-R396
A,B,G 1 R,T
models 1 models