NEW OBERHEIM SEM ANALOG SYNTHESIZER SERIAL NUMBER 48

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"Patch Panel Connections
connection pin function direction
A1 VCO 1 - External Modulation input
A2 VCO 1 - Sawtooth Waveform output
A3 VCO 1 - Sawtooth Waveform output
B1 VCO 1 - Control Voltage #1 input
B2 Ground
-
B3 VCO 1 - Control Voltage #2 input
C1 VCO 1 - Sync Output output
C2 Ground
-
C3 VCO 1 - Sync Input input
D1 VCO 2 - Control Voltage #1 input
D2 Ground
-
D3 VCO 2 - Control Voltage #2 input
E1 VCO 2 - External Modulation input
E2 VCO 2 - Sawtooth Waveform output
E3 VCO 2 - Pulse Waveform output
F1 VCO 2 - Sync Output output
F2 VCA - Control Input input
F3 VCO 2 - Sync Input input
G1 LFO Trigger input
G2 Ground
-
G3 LFO Waveform output
H1 VCF - Control Voltage #1 input
H2 VCF - Control Voltage #2 input
H3 VCF - External Modulation input
I1 VCA Output output
I2 Ground
-
I3 Unused
-
J1 VCF - Highpass Signal output
J2 Ground
-
J3 VCF - Bandpass Signal output
K1 Selected VCF Response output
K2 Ground
-
K3 Ground
-
L1 External Audio Input #1 input
L2 Ground
-
L3 (duplicate of L1 - not used)
-
M1 External Audio Input #2 input
M2 Ground
-
M3 (duplicate of M1 - not used)
-
X1 ENV 1 - Output output
X2 ENV 1 - Gate input
X3 ENV 1 - Trigger input
Y1 ENV 2 - Output output
Y2 ENV 2 - Gate input
Y3 ENV 2 - Trigger input"