Specifications
Table Of Contents
- Table of Contents
- Cautionary Notes
- Main Specifications
- Location of Controls
- Location of Controls Parts List
- Exploded View
- Exploded View Parts List
- Parts List
- Verifying the Version Number
- Performing a Factory Reset
- Updating the System
- Test Mode
- Circuit Board (Main Board)
- Circuit Diagram (Main Board: Analog)
- Circuit Diagram (Main Board: Digital)

9
May. 2008 DD-7
Test Mode
Items Required
• Oscillator x 2
• Oscilloscope x 1
• Noise meter x 2
• AC adaptor (PSA series device or 9 V DC power source) x 1
• Powered monitor x 2
• Expression pedal (EV-5) x 1
• 47-kΩ short plug x 2
Entering the Test Mode
1. Refer to the figure below and connect the measuring equipment to a connector other than the INPUT jack.
fig.DD-7-connection.eps
2. Turn down all controls all the way counterclockwise.
3. Holding down the foot pedal and inserting a plug into the INPUT jack makes the CHECK LED light up.
* Continue holding down the foot pedal until the LED goes dark.
After approximately 2 seconds, the CHECK LED goes dark.
* The CPU and DSP checks are performed before the LED goes dark as just described. If a problem is found in the CPU, DSP, or the like, the LED may not go out.
After approximately 1 second the CHECK LED flashes, and the number of flashes indicates the version.
1 flash: Ver. 1.00
2 flashes: Ver. 1.01
flashes: Ver. 1.02
4. Release the foot pedal.
Quitting the Test Mode
Pull out the plug from the INPUT jack and switch off the power.
Power
Supply
MonitorSpeakerNoise MeterOscilloscope
9V
6.5V
Signal Genelator
47kΩ
Dummy Plug
EV-5
400Hz
800mV
Square
400Hz
4.0V
Sine