Display Provided When Diag Started - Yamaha DVR-S150 Service Manual

Display provided when DIAG started

On the FL display of the main unit, an opening message
(the protection history) appears for a few seconds fol-
lowed by the diagnostic menu display of YSS MARGIN.
When there is no history of protection function:
When there is no protection history (*1)
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 function worked due to a DC
voltage appearing at the speaker terminal.
A cause could be a defect in the amplifier.
The protection function worked due to an AC
overload. A cause could be a shorted sec-
ondary wire of the transformer.
The protection function worked due to the
temperature limit being exceeded. Causes
could be poor ventillation or a defect related
to the thermal sensor.
Downloaded From TheatreSystem-Manual.com Manuals
NO PROTECT YSS MARGIN
I PROTECT
DC PROTECT
AC PROTECT
TMP PRT:000
DVR-S150/NX-P150
25