Roland ME-80

23
Jan. 2014 ME-80
MUTE Check
1. Make the settings shown below on the oscilloscope and connect it to the
Gt. AMP OUTPUT L/MONO and R jacks.
ch1: 2.00 V/div, ch2: 2.00 V/div, TIME: 1.00 ms/div
2. Depress the pedal MEMORY/MANUAL CTL.
The MEMORY/MANUAL CTL LED lights up.
3. Verify that no waveforms are output.
fig.test5-8.eps
AUX IN Check
1. Make the settings shown below on the oscillator and connect it for input
to the AUX IN (L, R) jacks.
200-Hz sine wave at 2.0 Vp-p
2. Make the settings shown below on the oscilloscope and connect it to the
Gt. AMP OUTPUT L/MONO and R jacks.
ch1: 1.00V/div, ch2: 1.00V/div, TIME: 1.00 ms/div
3. Press EDIT.
The PEDAL FX LED lights up.
4. Verify that the output value is between 1.9 and 2.1 Vp-p.
fig.test5-9.eps
OUTPUT MONO Check
1. Set the signal generator as shown below, and perform input only to the R
channel of the AUX IN jack.
200-Hz sine wave at 2.0 Vp-p
2. Make the settings shown below on the oscilloscope and connect it to the
Gt. AMP OUTPUT L/MONO and R jacks.
ch1: 1.00 V/div, ch2: 1.00 V/div, TIME: 1.00 ms/div
3. Verify that the waveforms are output to the only ch2 (R channel).
fig.test5-10.eps
4. Detach the plug from the Gt. AMP OUTPUT R jack.
Verify that the waveforms are output to the only ch1 (L channel).
fig.test5-11.eps
5. Switch off the power.
6. Battery Operation Check
1. Detach the connected AC adaptor.
2. Insert batteries into the battery box, then switch on the power.
Verify that the 7-segment LED display lights up.
3. If normal operation can be verified, the test results are considered to be
OK (passed).
4. Switch off the power.