Onkyo TX-RZ830

5 4 3
2
1
6
D
C
A
B
D
C
A
B
5 4 3
2
1
6
Appendix
TX-RZ630/RZ730/RZ830
[DIMMER] + [ON/STANDBY] x 2 → [ENTER]
Or use service mode function. Please see this section.
Display checksum as below.
“xxxxxxxx” is checksum of Main MCU.
Make sure Checksum after firmware update
MAIN checksum verification.
s u m M : x x x x x x x x