Display At The Start Of Diag; Opening Message; Diag Menu Display - Yamaha DSP-AX1/RX-V1 Service Manual

DSP-AX1/RX-V1

Display at the start of DIAG

The diagnostic menu appears on the monitor screen. (It remains on display until it is canceled.)
DIAGNOSTIC MENU
1.DSP THR
2.DECODE THR
3.RAM THR
4.PRO LOGIC
5.DECODE BYP
6.SP SET
7.E.OFF/DIS
On the FL display of the main unit, an opening message (including the version and the history of
protection function) appears for a few seconds followed by the diagnostic menu display of 1 DSP
THROUGH: ANALOG BYPS.

Opening message

When there is no history
of protection function (*1)
NO PROTECT
M:XXXX / S:XXXX
Checksum of the main
microprocessor
Checksum (4 figures consisting of alphabets and numbers)
The checksum is obtained by adding 4M bits per 1 octo of the entire program code and expressing the result as a
4-figure hexadecimal data. (0xff is added for the area where no code has been entered and for the area other than
ROM code.)
(*1) If the history of the protection function has been recorded, the type of the protection function and
the voltage value recorded last are displayed.
13
8.MAN TST
9.RS232C
10.PRESET
11.AD DATA
12.STATUS
13.DSP RAM
14.SUM/VER
Version of the main/sub mi-
croprocessor (1 alphabet)
X/X
Checksum of the sub
microprocessor

DIAG menu display

1. DSP THROUGH
ANALOG BYPS