Yamaha DTXTREME III Service Manual page 58

DTXTREME Ⅲ
[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] 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 -17 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:
Input sine wave of -17 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 / / / /
38 : AUX IN(LINE) : ON
AUX input :
***
： When the plug is inserted: ON
[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".
58
+11.0±2 dBu (load of 10 kΩ)
-72.0 dBu or less
-72.0 dBu or less
+11.0±2 dBu (load of 10 kΩ)
***
When the plug is not inserted: OFF
39. DIMM
[Test Code]
A0 27 00
[Initial indication]
/ / / / DTXTREME III Test Program / / / /
39 : DIMM
[Test contents]
Check that access to the DIMM works normally.
[Test method]
Check that the DIMM is inserted and press the [ENTER/
STORE] button to execute the test.
* If the DIMM is not inserted, be sure to turn off the
power to the DTXTREMEⅢ before inserting the
DIMM. (See pages 16 ̶20.)
[Check item]
Check the test result indicated on the LCD.
Check that the memory size of the DIMM is indicated normally.
[Judgment indication]
In case of OK:
/ / / / DTXTREME III Test Program / / / /
39 : DIMM
Memory Size
*
"
In case of NG:
/ / / / DTXTREME III Test Program / / / /
39 : DIMM
Memory Size
* "
[MIDI code output for judgment result]
OK: A0 27 02
NG: A0 27 03
: Press [ENTER]
: OK
: MB
○○○
" indicates capacity of the DIMM.
: NG
: MB
○○○
" indicates capacity of the DIMM.