Yamaha RX-V800 Service Manual page 11

• Starting DIAG
Press the "STANDBY/ON key while pressing those two keys indicated in the
figure on the right.
• Starting DIAG in the protection cancel mode
If the protection function works and causes hindrance to trouble diagnosis, cancel
the protection function as described below, and it will be possible to enter the
DIAG mode. (The protection function other than the excess current detect
function will be cancelled.)
Press the "STANDBY/ON key while pressing those two keys indicated in the
figure on the right. At this time, keep pressing those two keys for 3 seconds or
longer.
In this mode, the "ZONE2" segment of the FL display of the main unit flashes to indicate that the mode is DIAG mode with the
protection functions cancelled.
CAUTION!
Note that during the DIAG mode with protection functions cancelled, even when a danger is encountered, protection
functions do not work. Therefore, operating the equipment in this mode may cause danger to it. Use special care for this
point when using this mode.
• Canceling DIAG
[1] Before canceling DIAG, execute setting for PRESET of DIAG menu No.9 (Memory initialization inhibited or Memory
initialized).
* In order to keep the user memory stored, be sure to select PRESET INHI (Memory initialization inhibited).
[2] Turn off the power by pressing the "STANDBY/ON" key of the main unit or the "STANDBY" key of the remote controller.
• Display provided when DIAG started
When the monitor is connected, DIAGNOSTIC MENU appears on its screen as
shown in the figure. (It remains on display until DIAG is cancelled.)
The FL display of the main unit displays the protection function history data and the version (1 alphabet) and the DIAG menu
(sub-menu (ANALOG BYPASS) of DIAG menu No.1 DSP THROUGH) a few seconds later.
When there is no history of protection function:
Opening message
When there is no history
of protection function
DIAG menu display
Version (1 alphabet)
After a few seconds
RX-V800/RX-V800RDS/HTR-5280
Keys of main unit (in sealing panel)
PRESET/
A/B/C/D/E
TUNING
Turn on the power while
pressing these keys.
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