Yamaha AD824, Service Manual

Page: 42 / 80

AD824
42
5. [d02] SWITCH inspection
Select the test program number [d02] with the gain encoder. The LED inspection will be executed when the [+48V] key is pressed.
Or, it can also be executed by entering
1. The LED near the relevant switch flashes.
2. When the switch is pressed, the LED changes to steady on.
* The +48V MASTER is inspected by changing the switch.
3. The LED for the next switch to be inspected flashes.
4. Steps 1 to 3 are repeated. If there is a problem with the connection, the time over functions and [E02] will flash three
times on 7segLED and ends when [d02] is steady on.
If normal, it ends when [d02] is steady on.
If there is an error, the terminal software will display the switches that had errors.
6. [d08] Program version display.
Select the test program number [d08] with the gain encoder. When the [+48V] key is pressed, the program version will be displayed
on 7segLED for approximately one second.
7. [d09] Initializes memory
Select the test program number [d09] with the gain encoder. When the [+48V] key is pressed, memory initialization is executed. Or,
it can also be executed by entering
When this program number is executed, the following will be displayed on the terminal software.
8. [d10] System reset
Select the test program number [d10] with the gain encoder. When the [+48V] key is pressed, the system is reset and it is possible
to return to the normal operating mode.
Or, it can also be executed by entering
AD824_DIAG>d02
AD824_DIAG>d09
+48V MASTER
PEAK
NOMINAL
SIGNAL
+48V
PEAK
NOMINAL
SIGNAL
+48V
GAIN
dB
44.1kHz 48kHz BNC SLOT
INTERNAL
WORD CLOCK
SEL
1 2 3 4 5 6 7 8
SEL
OFF ON
DIAG[02] SWITCH CHECK NG or TIME OVER
WORD CLOCK (SW961)
SEL 1
(SW962)
:
:
SEL 8 (SW969)
+48V (SW970)
+48V MASTER (SW960)
AD824_DIAG>
DIAG[09] MEMORY INITIALIZE DONE
AD824_DIAG>
AD824_DIAG>reset