Yamaha Strings SS-30 Service Manual Download Page 17

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Gate and Sustain time Control

Circuit Diagram

SS-30 (S/ #

l00 l

~ )

Divider

Master

OSC

Divider

Master

OSC

RA-G4-DE(5)

RA-G4--26(3)

RA-G3--26(3)

RA-G1--9(58)

RA-G3--26(61)

RA-G2--26(61)

....

RA-G4--9(6 )

Master Clock OSC

DE(5)

-26(3)

-9(60)

-26(61)

1(15)

RA-G3-01(135)

RA-G1-

1(6)

14(17)

RA-G3-02(137)

I2(29)

24(26)

RA-G1- I2(7)

RA-LF-VI(70)

PC(.9)

RA-G3-I2(27)

(137)02

RA-G4-I2

(14)0

RA-G 4-0(14)

I1(136)

(135)01

RA-G3-I1(15)

(73)8

RA-F-U5(73)

(74)8L

RA-F-U4(71)

(124)16U

RA-F-U4L(82)

(123)16L

-8.2V Regulator

-15V Regulator

Divider

ATTACK SLOW-OFF

SUSTAIN - MIN

C5 Key

f= 250KHZ

f= 62.5 KHZ

f= 500 KHZ

f= 6.3HZ

VIBRATO-DEPTH-MAX

C#0
(48')

(62')

D#0

(60')

(45')

F#0

(57')

(55')

(43')

G#0

(40')

(52')

A#0

(50')

(38')

(36')

C#1

(21')

(7')

(9')

(24'

(12')

F#1

(14')

(26')

G#1

(28')

(

16')

A#1

(19')

B1
(31')

(33')

K3-D1(26)

K3-D2(24)

K3-D3(22)

K3-D4(20)

K3-D5(18)

K3-D6(16)

K3-D7(14)

K3-D8(12)

K3-D9(10)

K3-D10(8)

K3-D11(6)

K3-D12(4)

Note)

Transistor Tr1

2SA509:

Diode

ZD : 02Z82A

others : IS1555

IC1, 2 : YM25400
IC3~6 : LM3211
IC7 : TC4027P

4. Resistor F marks: +/- 1%

Same numbers are connected in common

I2(138)

-1

Summary of Contents for Strings SS-30

Page 1: ... 1 06385 YAMAHA STRINGS SS 30 SERVICE 0 18 MANUAL 78 2 1 5K 3ULPWHG LQ DSDQ Printed in Japan ...

Page 2: ... Diagram 10 G1 Circuit Diagram 12 G2 Circuit Diagram 14 G3 Circuit Diagram 16 G4 Circuit Diagram 18 LF Circuit Diagram 20 OR Circuit Diagram 22 F Circuit Diagram 24 PANEL 1 PNl Circuit Diagram 26 KEY SWITCH KS Circuit Diagram 27 PANEL 2 PN2 Circuit Diagram 27 REAR PANEL RP Circuit Diagram 27 POWER SUPPLY PRIMARY 28 DC Circuit Diagram 28 SS 30 S 1001 1 ...

Page 3: ...minal E shown on the board 2 SYMBOL DESCRIPTION CONTROL VOLUME PITCH VIOLIN Fuse Power Consumption 25W AC50 60Hz EXTERNAL VIEW Transistor FET E C B S G D E Emitter C Collector B Base S Source G Gate D Drain Capacitor Electrolytic capacitor Polarity mark Tantalum capacitor NP mark Nonpolar capacitor Mylar Ceramic and Polystyrene Capacitor B Break DETUNE VIBRATO DELAY DEPTH SUSTAIN CELLO VIOLIN CELL...

Page 4: ...ELLO VIOLIN KBD SPLIT DEPTH ORCHESTRA DELAY DEPTH PITCH DETUNE POWER FOOT CONT FOOT SW VOLUME SUSTAIN SER NO NIPPON GAKKI CO LTD 1OOVOLTS 20WATTS 50 60Hz MODEL SS 30 STRINGS YAMAHA HAMAMATSU JAPAN OUTPUT VIBRATO SUSTAIN PANEL 1 PN1 PANEL 2 PN2 PANEL LAYOUT REAR PANEL RP I 3 ...

Page 5: ...M E2 18 D5 KS M D 2 20 D4 KS M D2 22 D3 KS M C2 RA G1 C1 28 Note Tr 2SC458 D IS1555 4 KEC 90156 76 K6 43 KS M F2 PN1 SW1 M4b K1 S2 67 SI 84 K5 45 K4 47 K3 49 K8 39 K12 31 S2 67 K13 29 K7 41 68 TR 65 AT2 RA LF TR 34 K2 TR 66 K1 AT1 82 2 D13 RA G1 C2 26 RA G1 B1 24 RA G1 A 1 14 8 D10 12 D8 PN1 SW1 M2b 16 D6 K1 AT2 65 RA G1 F1 7 RA G1 E1 18 RA G1 D 1 5 RA G1 D1 2 24 D2 RA G1 C 1 16 26 D1 7 74 K2 51 K...

Page 6: ...3 2 D10 8 D8 12 D6 16 D2 24 D1 26 AT1 82 RA G1 A1 12 RA G1 G 1 22 RA G1 G1 20 RA G1 F 1 10 RA G1 C1 28 RA LF TR 34 K2 TR 68 K1 AT1 82 RA G1 C2 26 RA G1 B1 24 RA G1 A 1 14 PN1 SW1 M2b RA G1 F1 7 RA G1 E1 18 RA G1 D 1 5 RA G1 D1 2 RA G1 C 1 16 PN1 SW1 M4b K1 S2 67 PN1 SW1 M2b K1 AT2 65 RA LF 7 78 DC 7 5 7 74 57 7 K2 7 74 Note 1 Print Board LC82780 2 Transistor All 2SC458 3 Diode All IS1555 4 Capacit...

Page 7: ... M A3 RA G2 A1 16 K9 37 KS M G 3 10 D9 RA G2 G 1 28 KS M G3 RA G2 F 1 14 KS M E3 KS M D 3 KS M D3 KS M C 3 Note Tr 2SC458 D IS1555 6 KEC 90156 76 K6 43 KS M F3 PN1 SW1 M4d SI 84 K5 45 K4 47 K3 49 K8 39 K12 31 S2 67 68 TR 65 AT2 K3 TR 66 RA G2 C2 33 6 D11 RA G2 A 1 19 8 D10 PN1 SW1 M2d RA G2 E1 24 RA G2 D 1 9 RA G2 D1 7 24 D2 RA G2 C 1 21 26 D1 7 74 K1 7 57 K1 7 74 K2 51 K1 53 K1 TR 66 12 D8 4 D12 ...

Page 8: ... KS M A3 KS M G 3 KS M G3 KS M F 3 KS M E3 KS M D 3 KS M D3 KS M F3 KS M C 3 RA G2 A1 16 RA G2 G 1 28 RA G2 F 1 14 RA G2 C2 33 RA G2 A 1 19 RA G2 E1 24 RA G2 D 1 9 RA G2 D1 7 RA G2 C 1 21 RA G2 B1 31 RA G2 F1 12 RA G2 G1 26 Note 1 Print Board LC82780 2 Transistor All 2SC458 3 Diode All IS1555 4 Capacitor marked Tantalum Capacitor 7 PN1 SW1 M2c PN1 SW1 M4c PN1 SW1 M2d PN1 SW1 M4c K1 TR 68 K3 TR 68 ...

Page 9: ...8 D IS1555 8 KEC 90156 76 K6 43 KS M F4 SI 84 K5 45 K4 47 K3 49 K8 39 K12 31 S2 67 68 TR 65 AT2 K4 TR 68 RA G3 C2 33 6 D11 RA G3 A 1 19 8 D10 RA G3 E1 24 RA G3 D 1 9 RA G3 D1 7 24 D2 RA G3 C 1 21 26 D1 7 74 K2 7 57 K4 7 74 K2 51 K1 53 K2 TR 68 12 D8 4 D12 RA G3 B1 31 18 D5 20 D4 22 D3 PN1 SW5 T RA G3 F1 12 82 AT1 16 D6 RA G3 G1 26 KS M F 4 K3 S2 67 PN1 SW1 T5 K3 AT1 82 K4 AT1 82 K3 S1 84 K4 S1 84 ...

Page 10: ... 4 KS M G4 KS M E4 KS M D 4 KS M D4 KS M C 4 KS M F4 KS M F 4 RA G3 A1 16 RA G3 G 1 28 RA G3 F 1 14 RA G3 C2 33 RA G3 A 1 19 RA G3 E1 24 RA G3 D 1 9 RA G3 D1 7 RA G3 C 1 21 RA G3 B1 31 RA G3 F1 12 RA G3 G1 26 PN1 SW1 T5 PN1 SW5 T K3 AT1 82 K4 AT1 82 K3 S1 84 K4 S1 84 K4 TR 68 K2 TR 68 K3 AT2 65 K3 S2 67 Note 1 Print Board LC82780 2 Transistor All 2SC458 3 Diode All IS1555 4 Capacitor marked Tantal...

Page 11: ...ote Tr 2SC458 D IS1555 10 KEC 90156 76 K6 43 KS M F5 RA LF U0 76 SI 84 K5 45 K4 47 K3 49 K8 39 K12 31 S2 67 68 TR 65 AT2 K3 TR 68 RA G4 C2 33 6 D11 RA G4 A 1 19 8 D10 K4 AT1 82 RA G4 E1 24 RA G4 D 1 9 RA G4 D1 7 24 D2 RA G4 C 1 21 26 D1 7 74 K4 S1 84 K3 7 74 K2 51 K1 53 12 D8 4 D12 RA G4 B1 31 18 D5 20 D4 22 D3 RA G4 F1 12 82 AT1 16 D6 RA G4 G1 26 KS M F 5 K7 41 K3 S2 67 K4 S2 67 K3 AT2 65 K4 AT2 ...

Page 12: ...sistor All 2SC458 3 All IS1555 4 Capacitor marked Tantalum Capacitor K4 Circuit Board Wiring SS30 S 1001 Diode RA G4 A1 16 RA G4 G 1 28 RA G4 F 1 14 RA G4 C2 33 RA G4 A 1 19 RA G4 E1 24 RA G4 D 1 9 RA G4 D1 7 RA G4 C 1 21 RA G4 B1 31 RA G4 F1 12 RA G4 G1 26 KS M C6 KS M B5 KS M A 5 KS M A5 KS M G 5 KS M G5 KS M E5 KS M D 5 KS M D5 KS M C 5 KS M F5 KS M F 5 K3 AT2 65 K4 AT2 65 K3 S2 67 K4 S2 67 K3 ...

Page 13: ...0 54 D 0 52 F0 40 F 0 50 E 0 48 G0 38 G 0 36 A0 46 A 0 44 B0 34 C1 30 C1 28 C 1 16 D1 2 D 1 5 E1 18 F1 7 F 1 10 G1 20 G 1 22 A1 12 A 1 14 B1 24 C2 26 Divider Divider Master OSC Master OSC Gate and Sustain time Control 15V Regulator 8 2V Regulator Note 1 Transistor Tr1 2SA509 2 Diode 3 IC IC1 2 YM25400 IC3 6 LM3211 same numbers are connected in common 12 2 7 1 6 ATTACK SLOW OFF SUSTAIN MIN C2 Key A...

Page 14: ... 12 RA G1 G 1 22 RA G1 G1 20 RA G1 F 1 10 RA G1 C1 28 RA G1 C2 26 RA G1 B1 24 RA G1 A 1 14 RA G1 F1 7 RA G1 E1 18 RA G1 D 1 5 RA G1 D1 2 RA G1 C 1 16 RA G1 A0 46 RA G1 G 0 36 RA G1 G0 38 RA G1 F 0 48 RA G1 C0 32 RA G1 C1 30 RA G1 B0 34 RA G1 A 0 44 RA G1 F0 50 RA G1 E0 40 RA G1 D 0 52 RA G1 D0 54 RA G1 C 0 42 G1 Circuit Board Wiring SS 30 S l00l 13 Note 1 Print Board LC82790 Transistor Tr1 2SA509 ...

Page 15: ...D0 62 D 0 60 F0 45 F 0 57 E0 55 G0 43 G 0 40 A0 52 A 0 50 B0 38 C1 36 C 1 21 7 D1 D1 9 E1 24 F1 12 F 1 14 G1 26 G 1 28 A1 16 A 1 19 B1 31 C2 33 Divider Divider Master OSC Master OSC Gate and Sustain time Control 15V Regulator Note Transistor Tr1 1 2SA509 Diode 2 IC 3 IC1 2 YM25400 IC3 6 LM3211 Same numbers are connected in common 14 I2 27 I1 15 ATTACK SLOW OFF SUSTAIN MIN C4 Key G2 Circuit Diagram...

Page 16: ...D 0 60 D0 62 C 0 48 K2 D2 24 K2 D3 22 K2 D4 20 K2 D5 18 K2 D6 16 K2 D7 14 K2 D8 12 K2 D9 10 K2 D10 8 K2 D11 26 K2 D12 4 K2 D1 26 RA G2 A1 16 RA G2 G 1 28 RA G2 G1 26 RA G2 F 1 14 RA G2 C2 33 RA G2 C1 36 RA G2 B1 31 RA G2 A 1 19 RA G2 F1 12 RA G2 E1 24 RA G2 D 1 9 RA G2 D1 7 RA G2 C 1 21 RA G2 A0 52 RA G2 G 0 40 RA G2 G0 43 RA G2 F 0 55 RA G2 B0 38 RA G2 A 0 50 RA G2 F0 57 RA G2 E0 45 RA G2 D 0 60 ...

Page 17: ...82 123 16L 8 2V Regulator 15V Regulator Divider Divider ATTACK SLOW OFF SUSTAIN MIN C5 Key f 250KHZ f 250KHZ f 250KHZ f 250KHZ f 62 5 KHZ f 62 5 KHZ f 500 KHZ f 500 KHZ f 6 3HZ VIBRATO DEPTH MAX C 0 48 D0 62 D 0 60 F0 45 F 0 57 E0 55 G0 43 G 0 40 A0 52 A 0 50 B0 38 C1 36 C 1 21 7 D1 D1 9 E1 24 F1 12 F 1 14 G1 26 G 1 28 A1 16 A 1 19 B1 31 C2 33 K3 D1 26 K3 D2 24 K3 D3 22 K3 D4 20 K3 D5 18 K3 D6 16 ...

Page 18: ...4 Note 2 Diode 3 IC1 2 YM25400 4 ZD 02Z8 2A Others IS1555 1 Transistor IC3 6 LM3211 IC7 TC4027P marks Resistor 1 17 A1 16 G 1 28 G1 26 F 1 14 C1 36 C2 33 B1 31 A 1 19 F1 12 E1 24 D 1 9 D1 C 1 21 A0 52 G 0 40 G0 43 F 0 55 B0 38 A 0 50 F0 57 E0 45 D 0 60 D0 62 C 0 48 K3 D2 24 K3 D3 22 K3 D4 20 K3 D5 18 K3 D6 16 K3 D7 14 K3 D8 12 K3 D9 10 K3 D10 8 K3 D11 26 K3 D12 4 K3 D1 26 RA G3 A1 16 RA G3 G 1 28 ...

Page 19: ... ATTACK SLOW OFF SUSTAIN MIN C6 Key f 500KHZ f 500KHZ f 500KHZ f 250KHZ f 125KHZ f 125KHZ f 6 3HZ C 0 48 D0 62 D 0 60 F0 45 F 0 57 E0 55 G0 43 G 0 40 A0 52 A 0 50 B0 38 C1 36 C 1 21 7 D1 D1 9 E1 24 F1 12 F 1 14 G1 26 G 1 28 A1 16 A 1 19 B1 31 C2 33 K4 D1 26 K4 D2 24 K4 D3 22 K4 D4 20 K4 D5 18 K4 D6 16 K4 D7 14 K4 D8 12 K4 D9 10 K4 D10 8 K4 D11 6 K4 D12 4 Note Transistor 1 Tr1 2SA509 Diode 2 IC 3 Z...

Page 20: ...2 φI1 15 RA G4 26 61 RA G3 26 61 RA G3 DE 5 RA G1 DE 3 G4 Circuit Board Wiring SS 30 S l00l 19 A1 16 G 1 28 G1 26 F 1 14 C1 36 C2 33 B1 31 A 1 19 F1 12 E1 24 D 1 9 D1 C 1 21 A0 52 G 0 40 G0 43 F 0 55 B0 38 A 0 50 F0 57 E0 45 D 0 60 D0 62 C 0 48 RA G4 A1 16 RA G3 G 1 28 RA G4 G1 26 RA G4 F 1 14 RA G3 C2 33 RA G3 B1 31 RA G4 A 1 19 RA G4 F1 12 RA G4 E1 24 RA G4 D 1 9 RA G4 D1 7 RA G4 C 1 21 K4 D2 24...

Page 21: ...2 67 PN1 SW1 T4 KBD SPLIT PN2 VR33 VR1 IG00150 0 6HZ 6 2HZ 0 6HZ VR2 15 29 30 E 27 28 15 25 26 CP T 14 M 15 B 16 φA 68 RA OR φA 32 RA G2 16U 124 RA G2 8L 74 RA G2 16L 123 RA OR φB 33 I5 50 I6 47 I7 53 05 49 06 48 07 54 08 52 RA F L3 25 RA F U2 68 RA F L2 23 RA F U2L 80 RA G2 8U 73 RA G1 16U 125 RA G1 8L 68 I1 5 12 8 I3 3 09 51 01 6 02 8 03 46 04 4 RA F U3L 81 RA F U3 70 RA F U1L 79 RA F U1 68 RA F...

Page 22: ...L 123 RA OR φB 33 RA F L3 25 RA F U2 68 RA F L2 23 RA F U2L 80 RA G2 8U 73 RA G1 16U 125 RA G1 8L 68 RA F U3L 81 RA F U3 70 RA F U1L 79 RA F U1 67 RA F L1 22 PN1 SW1M1d PN1 SW1M1c PN1 SW1M1b PN1 SW1M1a PN1 SW T1 RA OR φC 34 RA OR 15 84 RA F 15 3 RA LF 15 57 PN1 VR1 A3 RA 0R E 3 RA F E 40 RA LF E 56 PN1 VR3 1 RA OR 15 47 RA F 15 47 RA LF 15 55 PN2 SW1 T PN2 SW1 M PN2 SW1 B RA LF 15 30 RA LF E 28 RA...

Page 23: ...lter RA 2F φA 68 RA F 03 7 RA F φB 67 RA LF φC 66 φA 32 I 6 φB 33 φC 3 PN2 VR 3 ORCHESTRA DEPTH 0 45 15 84 15 47 14 1V f 50KHz SS 30 S l00l OR Circuit Diagram Note Tr1 3 6 8 11 13 2SC458LG Tr4 5 9 10 14 15 2SA495 D1 12 IS1555 iC1 3 MN3004 ...

Page 24: ...7 PN2 VR 3 RA LF 15 29 46 E 47 15 48 0 RA LF 15 25 84 15 φA 32 φB 33 φC 34 RA F E 49 E 15 i 16 E 3 e 4 RA LF E 27 PN2 VR EP 23 Note 1 Print Board LC32820 2 IC IC1 2 3 MN3004 3 Transistor Tr1 3 6 8 11 13 2SC458LG tR4 5 9 10 14 15 2SA495 4 Diode All IS1555 5 X marcks Glass tube 10 mm ...

Page 25: ...PN2 SW3 B ORCHESTRA CELLO ORCHESTRA VIOLIN I8 37 I9 38 PN2 SW3 M1 ORCHSTARA VIOIN PN2 SW2 M1 ORCHSTRA CELLO I7 10 I6 9 US1 64 US2 65 PN1 SW7 M1 VIOLIN 1 PN1 SW8 M1 VIOLIN 2 US3 77 PN1 SW6 M1 VIOLA LS1 19 LS2 20 PN1 SW3 T CELLO1 PN1 SW4 T CELLO 2 05 39 PN2 SW2 B2 ORCHESTRA CELLO 6 o4 7 03 PN2 VR 1 ORCHESTRA DEPTH RA OR I 16 PN1 SW7 T1 VIOLIN 1 PN1 SW8 T1 VIOLIN 2 PN1 SW6 T1 VIOLA I1 63 I2 62 I3 60 ...

Page 26: ...4 T 5 39 PN2 SW2 B2 6 O3 PN2 VR 1 RA OR I 16 EO PI 35 34 PN1 VR9 3 PN1 SW7 T1 PN1 SW8 T1 PN1 SW6 T1 63 I1 62 I2 UO 59 UB 58 PN1 VR8 1 PN1 VR8 2 O1 28 PN2 SW3 T1 PN1 SW3 M PN1 SW4 M I4 16 I5 17 13 15 PN1 7 1 PN1 7 PN1 6 I 3 31 PN SW RP EJ1 7 15 46 53 P 3 1 PN2 SW3 T2 PN2 SW2 T2 PN1 VR9 2 VI 55 DC 15 8 8 RA LF 15 25 DC 15 RA F P1 35 RA FUO 59 RA F E0 5 RA LFE 27 RA EJ1 9 RA G4 E 71 DC E RA F UI 29 1...

Page 27: ...RA LF TC 41 RA LF E 28 PN1 SW2 B RA LF VO 32 RA LF VI 73 RA LF L3 84 RA LF 7 78 RA LF LI 82 RA LF U3 83 RA LF UT 81 RA LF V 13 RA LF 4 12 RA LF 3 11 RA LF 2 10 RA LF 1 9 PN1 SW2 T K2 AT2 65 K2 AT1 82 K1 AT1 82 PN1 SW5 T RA LF LO 77 K2 S2 67 K2 S1 84 K1 S1 84 K3 S1 84 3 32 A2 31 B2 30 1 29 2 23 1 22 3 17 2 16 1 15 3 10 2 9 1 8 2 2 1 1 PN1 VR7 1 PN1 1 PN1 1 RA F E 72 1 1 1 1 RA F LS2 20 1 PN1 1 RA F...

Page 28: ... 2 1 1 PN2 EP SS 30 S l00l KEY SWITCH KS Circuit Diagram PANEL 2 Circuit Diagram REAR PANEL RP Circuit Diagram P2 2 3 NA80339 K1 K1 53 K1 K2 51 K1 K3 49 K1 K4 47 K1 K5 45 K1 K6 43 K1 K7 41 K1 K8 39 K1 K9 37 K1 K10 35 K1 K11 33 K1 K12 31 K1 K13 29 K2 K1 53 K2 K2 51 K2 K3 49 K2 K4 47 K2 K5 45 K2 K6 43 K2 K7 41 K2 K8 39 K2 K9 37 K2 K10 35 K2 K11 33 K2 K12 31 K3 K1 53 K3 K2 51 K3 K3 49 K3 K4 47 K3 K5 ...

Page 29: ... 28 SS 30 S l00l DC Circuit Diagram DC Circuit Board POWER SUPPLY PRIMARY RA F 15 47 RA F E 40 RA G3 DE 5 RA K1 7 74 RA F 15 3 RA G1 26 4 ...

Page 30: ......

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