Display Provided When Diag Started; When There Is No History Of Protection Function; When There Is A History Of Protection Function - Yamaha RX-V459 Service Manual

RX-V459/HTR-5940/DSP-AX459
HTR-5935

• Display provided when DIAG started

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 display
(1. ANALOG BYPASS).

When there is no history of protection function:

Opening message /
When there is no protection history

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 ex-
cessive current through the amplifier.
Causes could be a short at the speaker ter-
minal or a defect in the amplifier. The pro-
tection function activates immediately to
turn off the power, with no history display at
turn-on, if the amplifier is defective.
The protection function worked due to a
defect or overload in the power supply. If
the power is turned on with the abnormality
unsolved, the protection function works in
about 1 second to turn off the power.
The protection function worked due to a DC
voltage appearing at the speaker terminal.
A cause could be a defect in the amplifier. If
the power is turned on with the abnormality
unsolved, the protection function works in
about 3 seconds to turn off the power.
18
After a few seconds
NO PROTECT A
Version (1 alphabet)
I PROTECT
PS1 PRT:000 A
PS2 PRT:000 A
DC PRT:000 A
DIAG menu display /
1.ANALOG BYPAS
A
or