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Yamaha Electone GX-1 Service Manual page 44

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GX-1
(S/#
5030 ~
)
TEK =
(Touch
Control,Expression
and Knee
Lever)
Circuit Diagram
TP (60)
y
Initial muting
circuit,
EI2
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Expression
detector
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When
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on,
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key
assigner
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;
EXP
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y
11
Total Volume
random
key voltage to master oscillator in the MU, ML and
470
Solo Keyboard
Ist touch (Time) detector
cds
(5)
a
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E
+15
MP ckt board. For a short time an uncalled-for sounds will
(61) +15
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e s
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photo coupler
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