Yamaha DTXTREME III, Service Manual

Page: 53 / 131

53
DTXTREME Ⅲ
[Test contents]
Execute write/read/verify on a USB memory and check that the
[USB TO DEVICE] terminal works normally.
[Test method]
Press the [ENTER/STORE] button to execute the test.
After the screen changes to the following indication, insert a
USB memory and press the [ENTER/STORE] button again.
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25 : USB-ToDevice : Press [ENTER]
[Check item]
Check the test result indicated on the LCD.
[Judgment indication]
In case of OK:
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25 : USB-ToDevice : Insert USB Memory!
and Press [ENTER]
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25 : USB-ToDevice : OK
In case of NG:
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25 : USB-ToDevice : NG
[MIDI code output for judgment result]
OK: A0 19 02
NG: A0 19 03
[How to quit test]
MANUAL MODE:
In case of OK, press the [INC/YES] button to proceed to the
next test.
If the test is aborted with the judgment of NG, press the
[EXIT] button to return to the “Test number selection screen”.
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”.
26. USB-ToHost
[Test Code]
A0 1A 00
[Initial indication]
[Test contents]
Execute a loopback test with connection to the [USB TO
DEVICE] terminal and check that the [USB TO HOST]
terminal works normally.
[Test method]
Press the [ENTER/STORE] button to execute the test.
After the screen changes to the following indication, connect
the [USB TO DEVICE] and [USB TO HOST] terminals with a
USB cable. Then, press the [ENTER/STORE] button after the
“Press [Enter]” is indicated.
25. USB-ToDevice
[Test Code]
A0 19 00
[Initial indication]
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26 : USB-ToHost : Press [ENTER]
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26 : USB-ToHost : Connect USB!
[Check item]
Check the test result indicated on the LCD.