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Yamaha Electone GX-1 Service Manual page 19

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GX-1
(S/ #
5030 ~
Contents of Circuit Board
Circuit Board
Contents
Location
RHY
1
* Synchro Start Operation Circuit
on the Rack
* Rhythm Lamp Driving Circuit
* Timing Selection Circuit for Lamp Driving Pulse
RHY 2
* Up Beat Matrix Circuit
on the Rack
* Rhythm Variation Selector Circuit
RHY 3
* Down Beat Matrix Circuit
on the Rack
* Rhythm Variation Selector Circuit
RHY 4
* Rhythm Sound Source Circuit, Oscillator System
on the Rack
Bass Drum (Long), Bass Drum (Short),
Conga (Low), Conga (High), Bongo (High),
Claves, Cowbell, Rim Shot
* Four Pre-amplifiers for Auto Rhythm
RHY 5
* White Noise Generator for Rhythm Sound Source
on the Rack
and UK, LK, PK and SK Sound Source
* Oscillation Noise Generator for Rhythm Sound
Source
* White Noise Signal Gate for Sound Source in
M Circuit
* Rhythm
Sound Source, Noise System
Cymbal
1, Cymbal 2, High Hat, Snare Drum

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