Yamaha DTXTREME III Service Manual page 57

[Judgment indication]
None
[MIDI code output for judgment result]
None
[How to quit test]
MANUAL MODE:
In case of OK, press the [EXIT] button to return to the "Test
number selection screen" and proceed to the next test.
MIDI MODE:
Send a test code for another test to stop the current test and
the test for the newly sent test code will be executed.
Press the [EXIT] button to return to the "MIDI test code
standby screen".
37. AUX IN ( MIC )
[Test Code]
A0 25 00
[Initial indication]
/ / / / DTXTREME III Test Program / / / /
37 : AUX IN(MIC) : Press [ENTER]
[Test contents]
Check that MIC level signal inputted from the [AUX IN/
SAMPLING IN] jack is outputted from the [OUTPUT] jack as
specifi ed signal.
[Test method]
Press the [ENTER/STORE] button to execute the test.
Input sine wave to the Lch and Rch of the [AUX IN/SAMPL-
ING IN] jacks with standard phone plugs connected to the
[OUTPUT L/MONO] and [OUTPUT R] jacks, and measure
output waveform level and distortion of the [OUTPUT L/
MONO] and [OUTPUT R].
Turn the [GAIN] knob and check that volume changes. (Set to
the maximum during measurement.)
Plug and unplug the jack and check if switch status changes as
plugged and unplugged.
[Check item]
Input sine wave of -52 dBu, 1 kHz, with distortion of 0.1 %
●
or less to the Lch of the [AUX IN/SAMPLING IN] jack.
(Connect the Rch to the GND)
・[OUTPUT L/MONO]: Level:
Distortion: 0.5% or less
・[OUTPUT R]: Level:
+2.0±2 dBu (load of 10 kΩ)
-65.0 dBu or less
Input sine wave of -52 dBu, 1 kHz, with distortion of 0.1 %
●
or less to the Rch of the [AUX IN/SAMPLING IN] jack.
(Connect the Lch to the GND)
・[OUTPUT L/MONO]: Level:
・[OUTPUT R]: Level:
Distortion: 0.5% or less
/ / / / DTXTREME III Test Program / / / /
37 : AUX IN(MIC) : ON
***
AUX input :
***
： When the plug is inserted: ON
When the plug is not inserted: OFF
[Judgment indication]
None
[MIDI code output for judgment result]
None
[How to quit test]
MANUAL MODE:
In case of OK, press the [EXIT] button to return to the "Test
number selection screen" and proceed to the next test.
MIDI MODE:
Send a test code for another test to stop the current test and
the test for the newly sent test code will be executed.
Press the [EXIT] button to return to the "MIDI test code
standby screen".
38. AUX IN ( LINE )
[Test Code]
A0 26 00
[Initial indication]
/ / / / DTXTREME III Test Program / / / /
38 : AUX IN(LINE) : Press [ENTER]
[Test contents]
Check that LINE level signal inputted from the [AUX IN/
SAMPLING IN] jack is outputted from the [OUTPUT] jack as
normal signal.
DTXTREME Ⅲ
-65.0 dBu or less
+2.0±2 dBu (load of 10 kΩ)
57