Yamaha DG60FX-112, Service Manual

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DG60FX-112
2: VR Check
• Using the UP and DOWN switches, select “2” and
then press the STORE switch.
• Press switches in the order of “AMP SELECT”, “GAIN”
until “PRESENCE, then from “COMP” to “REVERB”
and finally until “EXP.PEDAL” is reached.
• Turn the control fully in the direction toward the left 7
segment LED which is turned on. If the test result is
OK, the right 7 segment LED lights up. Then turn the
control to that direction. If the test result is OK, proceed
to the next VR. After completing this check, return the
control to the center position.
• If an error exists outside of the control being checked,
“E” meaning an error appears at the left end OF LED.
In such case, press the UTILITY switch for resetting.
• At the end of all VR checks, all LED segments light up
and go out. Then checking advances to the next step.
3: Battery Check
• Using the UP and DOWN switches, select “3” and
then press the STORE switch.
• If the check result is OK, all LED segments light up
and go out. Then checking advances to the next step.
• In case of an error, “E” is indicated by LED.
4: MIDI Check
• Using the UP and DOWN switches, select “4” and
then press the STORE switch.
• If the check result is OK, all LED segments light up
and go out. Then checking advances to the next step.
• In case of an error, “E” is indicated by LED.
• The numeric figure at the right end of LEF represents,
0: transmission and 1: reception.
5: SRAM Check
• Using the UP and DOWN switches, select “5” and
then press the STORE switch.
• If the check result is OK, all LED segments light up
and go out. Then checking advances to the next step.
• The numeric figure at the right end of LEF represents,
0: IC2 and 1: IC3.