Roland V-Synth Service Notes page 26

22: USB Test
1.
Checking the USB MIDI mode connection
* Install the USB MIDI driver in your computer beforehand as described in page
96 "Transferring MIDI data to/from your computer."
fig.13-26_70
Verify that data can be exchanged in USB MIDI mode between the V-Synth
and your PC.
• Use a USB cable to connect the V-Synth and computer.
• When you do so, data will automatically be exchanged between the V-
Synth and the PC, and the screen of the V-Synth will indicate
"CONNECT : OK."
Problem
USB CONNECT: OK is not dis-
played
2.
USB Storage Mode checking mode
Check this item by performing "Saving and loading data"
3.
If you replace the main board assembly
If the main board assembly is replaced when the V-Synth is serviced at a
service station, you must write the USB ID number into the main board
assembly, as well as performing the test items described above.
fig.13-27_70
* A PC is used for this test. Start up "UsbIdSet.exe" before you continue.
Items to check
MAIN BOARD JK501, IC502
fig.13-28_70
• Here we will write the serial number.
• (On your computer) In the Select Model field, choose V-Synth, and press
the START button.
• Input the serial number of the product into the [Input ID] field [SERIAL
No], and press the Enter key of your computer.
fig.13-29_70
• The serial number will be displayed in the V-Synth screen. Verify that
the correct number was written.
• Disconnect the USB cable. Verify that the V-Synth screen indicates
"DISCONNECT : OK."
fig.13-30_70
• If "OK" is displayed for all items, the V-Synth screen will indicate
"COMPLETE."
* Before the "UsbIdSet.ext" program used with the UM-880 can be used to write
the USB ID of the V-Synth, you must add the V-Synth's ID as shown below
1.
Start up the application.
V-SYNTH
28