6
Feb.2003
TEST MODE
Required equipment
1.
AC Adaptor PSA Series
2.
Foot Switch x2 (such as an FS-5U)
3.
Foot Switch Cable (Roland PCS-31)
(1/4inch Phone Plug (stereo)-1/4inch Phone Plug (mono) x 2)
4.
MIDI keyboard (such as an PC-300)
5.
MIDI Cable
6.
Oscilloscope
7.
Noise Meter (WEIHGT JIS-A or IHF-A)
8.
Headphone
9.
AA-size dry-cell Battery x6
Prior Preparations for Test Mode
fig.test0-0
1.
Connect the AC adapter to DC IN on the DR-3.
2.
Use a MIDI cable to connection MIDI OUT on a MIDI device capable of
NOTE ON output to MIDI IN on the DR-3.
3.
Using connector cords (PCS-31), connect foot switches (FS-5U x 2) to the
FOOT SW jacks on the DR-3.
Set the [POLARITY SW] on each FS-5U to JACK.
4.
Make the following settings on the connected device.
• Oscilloscope settings: VOLTS 1 V/DIV, TIMES 0.2 S/DIV
• Noise meter setting: WEIGHT JIS-A or IHF-A
• DR-3 VOLUME setting: MAX
Test items
1.
SRAM Check
2.
FLASH Check
3.
GA Check
4.
MR3 Check
5.
BATTERY Check
6.
MIDI Check
7.
LED Check
8.
LCD Check
9.
Encorder Check
10.
FOOT SW Check
11.
PIEZO Check
12.
SQUAEW Check
13.
SINE Check
14.
MUTE Check
15.
Ending the Test Mode
16.
Checks for Normal Operation
17.
Residual-noise Check
18.
Battery-operation Check
fig.test0-1
Starting the Test Program
Hold down the [VARIATION PTN] and [VARIATION MUTE] buttons and
switch on the power on the DR-3.
Continue to hold down the buttons until the following display appears on the
LCD screen.
fig.test0-2
A = Version number of the mask CPU (IC7)
B = Version number of the firmware written to the flash memory (IC8)
Check the following:
• The LCD backlight must light up (upper row; four locations).
• LED brightness must be without fluctuation.
Turning the encoder to select the test item.
1.RAM Check
1.
Press the [ENTER] button.
If there is no problem, the display will indicate “OK.”
fig.test1-2
AC Adaptor
PCS-31
White
Red
MIDI KEYBOARD
MIDI OUT
MIDI IN
Press
