Yamaha CS10

images via this auction
"Sections as follows:

External
External / Noise switch
Triggerlevel

VCO
Pitch selection 64' to 2'
LFO Mod
PW / PWM Mod

Mixer
Noise / External level
Triangle level
Square level

VCF
Filter Pass select
LFO Mod
Cut off freq
Resonance
Initial Level
Attack Level
Attack Time
Delay Time
Release Time
Normal / X5 select
Trigger select

VCF
Hold / EQ select
Attack Time
Delay Time
Sustain Time
Release Time
LFO Mod
Normal / X5 select

Output
Volume level

Expression
Portamento level
Pitch bend"