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SLOT and CPU connection check
The first line on the screen shows the condition at the data bus from the left D15, D14. . . . D1, D0.
The second line on the screen shows the condition at the address bus from the left A15, A14 . . . A2, A1.
The third line on the screen shown the condition at other control lines from the left /CON-MY,/IRQ-MY, RX-MY, TX-MY.
For each item, an "0" is used to indicate normal and "X" is used to indicate an abnormality.
[3] SLOT CLOCK
Connection check of slot clock line
The condition is shown from the left as 256FS-MY, 128FS-MY, 64FS-MY, SYNC-MY, FS-MY, WCLK-MY.
For each item, an "0" is used to indicate normal and "X" is used to indicate an abnormality.
[4] SLOT +20D
SLOT +5D
SLOT -5A
SLOT +5A
SLOT -15A
SLOT +15A
Slot power supply peripheral connection check
Only the NG systems from the test results will be shown on the screen.
[5] WC BNC
Displayed on the screen when the results of the word clock IN terminal/ JK901 and CPU connection are NG.
[6] COM B
Displayed on the screen when the results of the COM RS422 terminals/ CN903 and CPU connection are NG.
4.
[d01] LED inspection
Select the test program number [d01] with the gain encoder. The LED inspection will be executed when the [+48V] key is pressed.
Or, it can also be executed by entering
AD824_DIAG>d01
When this program number is executed, the following sequence will occur. Check them visually.
1. The LEDs in the drawing below will come on one at a time.
2. The 7segLED will come on one column at time "0,1,2,3,4,5,6,7,8,8."
3. All LEDs, except the level LEDs, will flash 3 times.
4. [d01] on the 7segLED will come on.
WORD CLOCK
INTERNAL
44.1kHz 48kHz
BNC
SLOT
In addition, the following will be displayed on the terminal software.
DIAG[01]LED CHECK...............................................
............DONE
AD824_DIAG>
XXX XXXX
PEAK
NOMINAL
SIGNAL
+48V
1
2
3
SEL
4
5
6
7
AD824
PEAK
GAIN
NOMINAL
dB
SIGNAL
+48V
+48V MASTER
OFF
ON
8
SEL
POWER
41
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