Yamaha DG60FX-112, Service Manual

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DG60FX-112
30
TEST PROGRAM
A. PREPARATION
• EXP. PEDAL Connect the B50KVR.
• DIGITAL OUT Connect the DA converter.
• MIDI IN Connect IN and OUT, using the DIN
• MIDI IN 5P cable.
• The input signal is a 1kHz sine wave.
• Set all rotary VR’s and switches near their center
position.
• Set the OUTPUT VR to the MAX position.
• Set the input impedance of the measuring instrument
to 1Mohm or more.
B. CONTENTS OF TEST PROGRAM
0: LED Check
1: SW Check
2: VR Check
3: Battery Check
4: MIDI Check
5: SRAM Check
6: DSP Check
C. STARTING THE TEST PROGRAM
While pressing the MANUAL, STORE and HALL
switches, turn on the POWER switch. The TEST
program will then be started.
D. SELECTING THE TEST NUMBER
Using the UP and DOWN switches, select the test
number and press the STORE switch to confirm
selection.
E. TEST PROCEDURE
0: LED Check
• Using the UP and DOWN switches, select “0” and
then press the STORE switch.
• LED segments light up one after another starting with
“UP”. When “SP.SIM” is reached, “BANK3”, “BANK2”,
“BANK1”,”3", “2” and “1” light up followed by 7
segments in the following order from the left end. After
that, all LED segments light up and go out.
1
1 2 3
7
8
4
2
3
6
5
1: SW Check
• Using the UP and DOWN switches, select “1” and
then press the STORE switch.
• Starting with the UP switch, press the switches whose
LED lights up one after another. After “SP.SIM”,
“BANK”, “3”, “2” and “1”, all LED segments light up
and then go out.
• Numbers (0 to 20) are indicated at the right end of the
7 segment LED.
• If “E” representing an error appears at the left end,
press the UTILITY switch for resetting.