NXAMP4x1
58
Press the [B] button to exit the test program, and the
NXAMP enters the ordinary mode.
17
CALIBRATION
CH2
OUTPUT
SIGNAL
OK
?
Adjust the input signal voltage so that the output voltage
obtained at the channel 1 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output voltage monitor is automatically calibrated,
and the following display appears.
Adjust the input signal voltage so that the output voltage
obtained at the channel 2 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output voltage monitor is automatically calibrated,
and the following display appears.
17
CALIBRATION
CH3
OUTPUT
SIGNAL
OK
?
Adjust the input signal voltage so that the output voltage
obtained at the channel 3 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output voltage monitor is automatically calibrated,
and the following display appears.
17
CALIBRATION
CH4
OUTPUT
SIGNAL
OK
?
Adjust the input signal voltage so that the output voltage
obtained at the channel 4 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output voltage monitor is automatically calibrated,
and the following display appears.
17
CALIBRATION
CH1
CONNECT
8
OHM
LOAD
Connect the 8 ohms resistor to the channel 1 output ter-
minal.
Adjust the input signal voltage so that the output voltage
obtained at the channel 1 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output current monitor is automatically calibrated,
and the following display appears.
17
CALIBRATION
CH2
CONNECT
8
OHM
LOAD
Connect the 8 ohms resistor to the channel 2 output ter-
minal.
Adjust the input signal voltage so that the output voltage
obtained at the channel 2 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output current monitor is automatically calibrated,
and the following display appears.
17
CALIBRATION
CH3
CONNECT
8
OHM
LOAD
Connect the 8 ohms resistor to the channel 3 output ter-
minal.
Adjust the input signal voltage so that the output voltage
obtained at the channel 3 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output current monitor is automatically calibrated,
and the following display appears.
17
CALIBRATION
CH4
CONNECT
8
OHM
LOAD
Connect the 8 ohms resistor to the channel 4 output ter-
minal.
Adjust the input signal voltage so that the output voltage
obtained at the channel 4 output terminal is 24 Vrms (=
+29.8 dBu), and press the [B] button.
The output current monitor is automatically calibrated,
and the display returns to the test menu screen.
(If an error occurs, “ERROR” appears and the test pro-
gram is stopped.)
4-18. STANDBY test
00
CHOOSE
TEST
<
>
18
STANDBY
Press the [B] button to enter the standby mode, and the
following display appears.
18
STANDBY
Measure the primary power consumption, and check that
the measured value is 23 W or less. Press the [B] button
for one second or more, and the display returns to the
test menu screen.
4-19. QUIT (Exit the test program)
00
CHOOSE
TEST
<
>
19
QUIT
Input the 1 kHz, +10 dBu sine wave to the channel 4 in-
put terminal.
Adjust the ENCODER so that the output voltage obtained
at the channel 4 output terminal is +39.1 dBu, and press
the [B] button.
The analog output level is automatically calibrated, and
the following display appears.
17
CALIBRATION
CH1
OUTPUT
SIGNAL
OK
?
Содержание NXAMP4X1
Страница 36: ...NXAMP4x1 36 B B CONTROL Circuit Board Pattern side 2NA WJ97120 10 2 ...
Страница 37: ...NXAMP4x1 37 B B Pattern side 2NA WJ97120 10 2 ...
Страница 40: ...NXAMP4x1 40 OUTANL Circuit Board 2NA WJ97320 10 Pattern side ...
Страница 44: ...NXAMP4x1 44 B B PN AN Circuit Board 2NA WJ97170 10 1 Pattern side ...
Страница 45: ...NXAMP4x1 45 2NA WJ97170 10 1 B B Pattern side ...
Страница 49: ...NXAMP4x1 49 2NA WJ97350 50 B A Component side Reduction 7 10 ...
Страница 50: ...NXAMP4x1 50 B B PSANL Circuit Board 2NA WJ97350 50 Pattern side Reduction 7 10 ...
Страница 51: ...NXAMP4x1 51 B B 6 5 4 3 2 1 7 8 9 10 11 12 2NA WJ97350 50 Pattern side Reduction 7 10 ...
Страница 123: ...PA 011884 ...