Nexo NXAMP 4X4 Service Manual

Expansion slot
Press the [B] button to start the test. The following dis-
play appears.
Press the [B] button to continue the test. The test ex-
ecutes automatically.
If the test result is OK, the display automatically returns
to the test menu screen.
(If an error occurs, “ERROR” appears and the test pro-
gram is stopped.)
4-12. FAN test
4-11. FLASH test
Press the [B] button to start the test. The following dis-
play appears.
The FAN starts rotating at low speed.
Check that the FAN rotates at low speed, and press the
[B] button to continue the test. The following display ap-
pears, and the FAN rotates at middle speed.
Check that the FAN rotates at middle speed, and press
the [B] button to continue the test. The following display
appears, and the FAN rotates at high speed.
Check that the FAN rotates at high speed, and press the
[B] button to return the display to the test menu screen.
(Turn off the power to this unit, and insert the SLOT jig
into the expansion slot. Restart the test program, and
select this test.)
Press the [B] button to start the test. The test executes
automatically.
If every signal is normal, the following display appears
and the LED of the SLOT jig lights.
(If an error occurs, “ERROR” appears and the test pro-
gram is stopped.)
Input the 1 kHz, -10 ±1 dBu sine wave to the channel
1 input terminal and confirm that the output voltage
obtained at the channel 1 output terminal is +24.1 ±2.0
dBu.
If OK, press the [B] button to return the display to the
test menu screen.
4-14. ATTENUATION test
Press the [B] button to enter the attenuation test mode.
The following display appears.
Perform the test according to the “Inspection with attenu-
ation test mode”. (See page 79).
If OK, press the [B] button to return the display to the
test menu screen.
4-13. SLOT test
Rear panel
NXAMP4x4
68
00CHOOSETEST<>
11FLASH
00CHOOSETEST<>
13SLOT
13SLOT
ANALOGTESTOK?
00CHOOSETEST<>
14ATTENUATION
14ATTENUATION
NOISETESTOK?
11FLASH
FLASHTESTOK?
00CHOOSETEST<>
12FAN
12FAN
LOW
12FAN
MIDD
12FAN
HIGH

Nexo NXAMP 4X4 Specifications

General

Brand	Nexo
Model	NXAMP 4X4
Category	Recording Equipment
Language	English