Roland SH-5 - 9-6. CIRCUIT BOARD ASSEMBLY OP-20 A (149-020 A); 9-6 a. CIRCUIT BOARD ASSEMBLY OP-20 B (149-020 B)

1976-10-30 SH-5
9-6. CIRCUIT BOARD ASSEMBLY OP-20A (149-020A) Serial No. Up to 440399
R465 100K. R473 1M, D405 1S2473
AA
ru
E
+14V
PWM (ADSR)
-14V
SYNC SWITCH
SYNC SWITCH
-10V
+10V
PWM (MANUAL)
RANGE
PITCH
MOD. (LFO)
MOO. (ADSR)
TRANSPOSE
TUNING
VCO PEDAL
BENDER
KYBD VOLT.
FREQ. SET
WIDTH SET
WIDTH SET
RING MOD. OUT
E
E*
EXT. IN VCO-1
+14V
LFO. NOISE VCO-2
E
9-6a. CIRCUIT BOARD ASSEMBLY OP-20B (149-020B) Serial No. 450400 and Higher
C3
CO
CD
O
O
Metal Film Resistor CRB-1/4FX (1%)
Resistor 1/4R, J (5%)
Resistor ERC-12GK
Capacitor, Mylar (10%)
Capacitor, Ceramic (10%)
Capacitor, Tantalum (10%)
Capacitor, Electrolytic
Transistor 2SC945Q
Transistor 2SA733Q
Field Effet Transistor 2SK30A-GR
Diode 1S2473
AA
ru
E
+14V
PWM (ADSR)
-14V
SYNC SWITCH
SYNC SWITCH
-10V
+10V
PWM (MANUAL)
RANGE
PITCH
MOD. (LFO)
MOD. (ADSR)
TRANSPOSE
TUNING
VCO PEDAL
BENDER
KYBD VOLT.
FREQ. SET
WIDTH SET.
WIDTH SET.
RING MOD. OUT
E
E
LFO. NOISE VCO-2
E
EXT. IN VCO-1
♦ 14V
-22-
Scan by Manual Manor
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