AG-Stomp

(11)Push in the EXP. PEDAL. !4

All LED segments light up and go out, and then the checking proceeds to MIDI check.

If VR, SW or EXP PEDAL is not set at its center position, checking will result in an error and E. 0 will appear at the left end of LED.

In such case, set it to the center position and press UTILITY SW for resetting.

To advance the VR No. to be checked, press MANUAL SW.

3:MIDI Check

(1) Using the UP and DOWN switches, select “3”. (This step can be skipped if “3” is already selected.)

(2) Press the STORE switch.

If the check result is OK, all LED segments light up and go out.The checking function will proceed to the next step.

In case of an error, “E” appears at the left end of the LED. “0” at the right end indicates transmission and “1” indicates reception.

4:SRAM Check

(1) Using the UP and DOWN switches, select “4”. (This step can be skipped if “4” is already selected.)

(2) Press the STORE switch.

If the check result is OK, all LED segments light up and go out.The checking function will proceed to the next step.

In case of an error, “E”appears at the left end of the LED. “0” at the right end indicates IC2 and “1” indicates IC3.

5.FLASH ROM Check

(1)Using the UP and DOWN switches, select “5”. (This step can be skipped if “5” is already selected.)

(2)Press the STORE switch.

If the check result is OK, all LED segments light up and go out.The checking function will proceed to the next step.

In case of an error, “E” appears at the left end of the LED. “0” at the right end indicates “1 sector erase”, “1” indicates “Erase check” and “2” indicates “Write check”.

6: DSP Electric Characteristic

(1) Using the UP and DOWN switches, select “6”. (This step can be skipped if “6” is already selected.)

(2) Press the STORE switch.

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• An input signal will be output when the STORE switch is pressed. “0” appears at the right end of the LED. (Table.1)

• The sine waveform can be checked in all of the analog circuit, AD, DSP-6 and D/A where the signal has passed.

• Initial setting: OUTPUT VR ••• MAX

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Yamaha GA 011589 service manual Midi Check