Lfo 10) - Yamaha CS-30 Service Manual
Combo synthesizers
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Also See for CS-30:
- Owner's manual (24 pages) ,
- Patch list (23 pages) ,
- Owner's manual (23 pages)
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CS-30(S/£ 1001 ~)
LFO
Circuit Board
& Wiring
•10K
10M-
0.039
FET2
View from the printed pattern side of the circuit
board
SE3SE
VCO II (IG00150)
1.
VI
2.
GND
3.
C ....
4.
Vee
5.
Vcc
6.
SIO
7.
SO
8.
ladj
Input of the control voltage.
The frequency is variable in accord¬
ance with the voltage supplied.
VC1
Input of the
voltage 0-10V
'
is provided.
Earth
Capacitor
for determination of the
frequency.
-15V input power source.
♦ 15V input power source.
Output of sine wave.
zsz
3.20Vpp
Output of sawtooth wave
3.5Vpp
Setting for standard electric current.
(Note)
1. 1C
IC1
: IG00150
IC5
: BA634
IC9
: HA1452
IC2~4, 6~8 : NJM4558
2. Transistor ( h
=7
9
)
Trl ~ 9, 11,12,14,15,17,20 : 2SC458
Tr10,13,16,18,19
: 2SA561
3. Diode (5^*- K)
D
: 1 SI 555
ZD
: 1 SI 715
4. FET
PET 1,2
: 2SK30A
KEP-NA80294-78
A.
-16-
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