Display Provided When Diag Started; Diagnostic Menu; When There Is No History Of Protection Function - Yamaha RX-V750 Service Manual

RX-V750/DSP-AX750/DSP-AX750SE
RX-V650/HTR-5760

Display provided when DIAG started

When the monitor is connected, DIAGNOSTIC MENU
appears on its screen as shown in the figure.
On the FL display of the main unit, an opening message
(including the version and the protection history) appears
for a few seconds followed by the diagnostic menu dis-
play (1. YSS MARGIN).

When there is no history of protection function:

When there is no protection history
NO PROTECT
When there is a history of protection function:
The FL display appears as shown below depending on the
type of the protection function.
The protection function worked due to exces-
sive current through the amplifier. Causes
could be a short at the speaker terminal or a
defect in the amplifier. The protection func-
tion activates immediately to turn off the
power, with no history display at turn-on, if
the amplifier is defective.
28

DIAGNOSTIC MENU

1.DSP THR
2.BYPASS
3.RAM THR
4.PRO LOGIC
5.SP SET
6.EXT_INPUT
7.MIC CHECK
8.VFD CHECK
9.MAN , LTEST
Z
Version (1 alphabet)
I PROTECT
10.PRESET
11.AD/FAN
12.VC STATUS
13.IF STATUS
14.DSP RAM
15.PRT SET
16.SOFT SW
17.VER/SUM/P
1.YSS MARGIN
Z