Yamaha Electone GX-1 Service Manual page 132

GX-1 (S/# 5030~ )
1-6) Other Checks
1. Sub Oscillator Function
Observation Point: One of the MU, ML and MS V1 terminals
Waveform: Corresponds to the waveforms shown on the function switch
FLL 3Vpp. duty ratio 50% Center 0V+0.1V
ig] 3Vp-p — do. —
ia — do. — — do. —
SON — do. — — do: —
Fe — do. — — do. —
Conditions: Each VCO lever: ''3"
2. Tuning variation limits for upper, lower, pedal and solo: Center value + 100 cent.
3. Wave motion variation limits for upper, lower and pedal: Center value + 20 cent.
=(2i—