Korg SDD-1200 - Connection and Basic Operation; Input;Output Circuitry Diagram; Major Connection Settings

7. CHECK AND ADJUSTMENT PROCEDURE
1. Power Supply Voltage Check
Connect a Digital Volt Meter (DVM) to TPs on
KLM-6000 and confirm if the voltage at each test
point is within the ranges as shown below.
2. Modulation Check
The settings are as follows. Mode Sw. = separate
1) Modulation
Connect an Oscilloscope (DC 2v/div, 50ms/div) to
TP-6A and TP-6B on KLM-6001 and confirm
modulation waveform refering to the chart below.
Fig. 1 (DC Changes)
Fig. 2 (Amplitude changes)
Fig. 3 (Frequency changes)
2) Modulation LED lighting
Adjust the FREQ volume of UNIT A and B to "5",
and check each LED by following procedure
below.
© Mode Sw.: IN PHASE
Add modulation on both channels and confirm if
both are syncronized in same phase.
(2) Mode Sw.: SEPARATE
Confirm if the modulation on each unit is controlled
independently.
<3> Mode Sw.: OUT PHASE
Add modulation on both channels and confirm if
both are syncronized in inverted phase.
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