Yamaha Strings SS-30 User manual

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06385
YAMAHA
STRINGS
SS-30
SERVICE0$18$/ MANUAL
'78.2. 1.5K +.3ULPWHGLQ-DSDQ Printed in Japan
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CONTENTS
Page
CORDING GUIDE................................................................................................................................2
SPECIFICATIONS.................................................................................................................................
2
ASSEMBLY LAYOUT..........................................................................................................................2
PANEL LAYOUT.................................................................................................................................3
K1 Circuit Diagram...............................................................................................................................4
K2 CircuitDiagram....................................................................................................................6
K3 CircuitDiagram....................................................................................................................8
K4 Circuit 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 -

Two (2) black wires are connected to "E" on circuit board. One goes to each"E"terminal of A and
FG circuit boards. In this case, the coding system is as follows:
(2) EBL12 x 2RA-A·E(2)
G1
NAND
AND
A
SS-30 (S/ # 1001 ~ )
<----CORDING GUIDE
CORDING GUIDE
SPECIFICATIONS
1 CIRCUIT BOARD AND WIRING
KEYBOARD
49 keys c
- C4 (4octaves)
TONE TABLET
ORCHESTRA ......DEPTH
VOLUME
CONTROL SWITCH
Circuit board
[Thepattern shows the view
from the side parts mounted]
Color of wire.
Number of standscontained inthe core.
(Incase of 8cores, the number is not shown.I
RA-FG-E(2)
Number of wires.
Terminal point physical eyelet space location
Terminal reference.
Unit(Board).
Rackgeneral physical location.
Terminal point shown on the board.
(Solder eyelet space number)
[Note] Classification of wire
Ordinary wire
Shieldwire
Mic cable
Axial cable
VIOLIN system . .. ...VIOLA
VIOLIN 1
VIOLIN 2
CELLOsystem.......CELLO 1
CELLO 2
TABLET FOR EFFECTS
VIOLIN system
.... . . ATTACK SLOW
CELLO system ...... ATTACK SLOW
ORCHESTRA . .- ..... SPEED 1,2
CELLO
KBD. SPLIT
CONTROL JACK
FOOT CONTROL (VOLUME)
FOOT SWITCH (SUSTAIN)
OUTPUT JACK
OUTPUT . . . . . . . . . -20dB/600Ω
OTHERS
Powerswitch
Pilot lamp
AC input terminal
Terminal Eshown on the board.
2
SYMBOLDESCRIPTION
CONTROL VOLUME
PITCH
VIOLIN Fuse
PowerConsumption ...25WAC50/60Hz
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
CELLOsystem... . . . .VOLUME
Finish... . .... . Pickbolt rose
Dimensions ....960x 120x 350mm
(W x H x D) (37-3/4 x 4-3/4 x 13-3/4")
Weight ........ 16kg(35.2lbs)
Diode
(Zener Diode)
Switch
T:Transfer
M: Make
BRILLIANCE ..... .. VIOLIN
3ABBREVIATIONS OF WIRE COLOR IN ELECTONE
BLACK ....................... BL
ORANGE .................... OR
BLUE ......................... BE
WHITE ...................... WH
PINK ......................... PK
BROWN .....................BR
YELLOW .....................YE
VIOLET..................... VI
GRASS GREEN .......... GG
TRANSPAPENT .........TR
RED.............................RE
GREEN.......................GR
GRAY .........................GY
SKY BLUE ..................SB
ASSEMBLY LAYOUT
4 WIRECOLOR - MusicalNoteIndication
C C# D D# E F F#
I I I I I I I
YE GR BE VI BR RE OR
5 LOGIC SYMBOL
G
G# A A#
B
I I
I I
I
GY WH GG SB
PK
Exlusive OR
Truth Table
B
NOT
(Inverter)
TruthTable
OR
TruthTable
NOR
Truth Table
TruthTable
TruthTable
A
B
y
0
0
1
1
0
1
0
1
1
0
0
0
-2-
KEC-90154
OUT F·C F·S Fuse AC-IN
PANEL 1(PN1)
G2
F
LF
OR
G4 G3
PANEL 2
(PN2)
K 1 K2 K3 K4
KEY BOARD
C2 - C6 (49keys)
MIL
YAMAHA
NOT
NOR
NAND
y
0
0
0
1
0
1
0
1
1
1
1
0
A
B
y
0
0
0
1
0
1
0
1
1
1
1
1
A
B
y
0
0
1
1
0
0
0
1
0
1
1
0
A
B
y
0
0
0
1
0
0
0
1
0
1
1
1
DC

SS-30 (S/ # 100l ~ )
VOLUME
VOLUME
CELLO
VIOLIN
CELLO
BRILLIANCE
VIOLIN
YAMAHA
CELLO 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-

(14)D7
SS-30(S/
# l00l ~ ) K1 Circuit Diagram
Keying Drive
KS-M-C3
K1-S1(84 )
DC- - -7.5
KS-M-B2
K1 1(33)
KS-M-A#2
(4)D12
(6)D11
K10(35)
K S-M-A2
RA-G1-A1(12')
K9(37)
KS-M-G#2
(10) D9
R A-G1-G#1(22')
KS-M-G2
RA-G1-G1(20')
KS-M-F#2
R A-G1-F#1(10')
KS-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)
K1(53)
KS-M-C#2
(82)AT1

KS-M-C3
K1-S1 (84 )
KS-M-B2
KS-M-A#2
KS-M-A2
KS-M-G#2
KS-M-G2
KS-M-F#2
KS-M-E2
KS-M-D#2
KS-M-D2
KS-M-C2
KS-M-F2
KS-M-C#2
(35) K10
(37) K9
(43) K6
S1
(84)
(45) K5
(47) K4
(49) K3
(39) K8
(31) K12
(67)
S2
(29) K13
(41) K7
(51) K2
(53) K1
(33) K11
D7 (14)
D12 (4)
D11 (6)
D9 (10)
D5 (18)
D4 (20)
D3 (22)
(68)
TR
(65)
AT2
D13 (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. Capacitor
marked: Tantalum Capacitor
-5-
K1Circuit Board & Wiring
SS30 (S/# 1001~ )
TR
(85)

# )
-6-
K2 Circuit Diagram
Keying Drive
#
0 +
.,
Tr22
GY
KS-M-G3
_J
-1 >-----L _____________ __
# VI K6(43l r
---------,
D6
J
L------------- -----
r--------- -- --------,
- -- -- -- -- -- --
D4
Tr8
Tr7
_______ J
D3
Tr6
--------
---------,
D2
Tr4
\__
KEY-
(6) PK
GG
0 7 G RA-G2-Gl!26'l
--M2c
# ' l
BE
GR RA-G2-EH24'l
#
(22)03
Note)
Tr:
o :
(14) D7
SS-30(S/#l00l ~ ) K2 Circuit Diagram
Keying Drive
KS-M-C4
KS-M-B3
K11(33)
KS-M-A#3
K10(35)
KS-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) T r : 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
RA-G2-B1(31')
(18) D5
(20) D4
(22) D3
PN1-SW1-M2c
RA-G2-F1(12')
(82)AT1
(16)D6
RA-G2-G1(26')
KS-M-F#3
PN1-SW1-M4c

(35) K10
(37) K9
(43) K6
(45) K5
(47) K4
(49) K3
(39) K8
(31) K12
(29) K13
(41) K7
(51) K2
(53) K1
(33) K11
D7 (14)
D12 (4)
D11 (6)
D9 (10)
D5 (18)
D4 (20)
D3 (22)
D13 (2)
D10 (8)
D8 (12)
D6 (16)
D2 (24)
D1 (26)
(67)
S2
(68)
TR
(65)
AT2
(57)
-7
S1
(84)
AT1
(82)
(74)
-7
TR
(85)
KS-M-C4
KS-M-B3
KS-M-A#3
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)
K2 Circuit Board & Wiring
SS30 (S/# 1001~ )

(14) D7
SS-30(S/#l00l ~ ) K3 Circuit Diagram
Keying Drive
KS-M-C5
KS-M-B4
K11(33)
KS-M-A#4
K10(35)
KS-M-A4
RA-G3-A1(16')
K9(37)
KS-M-G#4
(10) D9
RA-G3-G#1(28')
KS-M-G4
RA-G3-F#1(14')
KS-M-E4
KS-M-D#4
KS-M-D4
KS-M-C#4
Note) T r
: 2SC458
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) D1
1
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)
K3-S2(67)
K7(41)

(35) K10
(37) K9
(43) K6
(45) K5
(47) K4
(49) K3
(39) K8
(31) K12
(29) K13
(41) K7
(51) K2
(53) K1
(33) K11
D7 (14)
D12 (4)
D11 (6)
D9 (10)
D5 (18)
D4 (20)
D3 (22)
D13 (2)
D10 (8)
D8 (12)
D6 (16)
D2 (24)
D1 (26)
(67)
S2
(68)
TR
(65)
AT2
(57)
-7
S1
(84)
AT1
(82) (74)
-7
TR
(85)
KS-M-C5
KS-M-B4
KS-M-A#4
KS-M-A4
KS-M-G#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: Tantalum Capacitor
-9-
K3 Circuit Board & Wiring
SS30 (S/# 1001~ )

(14) D7
SS-30(S/#l00l ~ )K4 Circuit Diagram
Keying Drive
KS-M-C6
KS-M-B5
K11(33)
KS-M-A#5
K10(35)
KS-M-A5
RA-G4-A1(16')
K9(37)
KS-M-G#5
(10) D9
RA-G4-G#1(28')
KS-M-G5
RA-G4-F#1(14')
KS-M-E5
KS-M-D#5
KS-M-D5
KS-M-C#5
Note) T r : 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(65)

(35) K10
(37) K9
(43) K6
(45) K5
(47) K4
(49) K3
(39) K8
(31) K12
(29) K13
(41) K7
(51) K2
(53) K1
(33) K11
D7 (14)
D12 (4)
D11 (6)
D9 (10)
D5 (18)
D4 (20)
D3 (22)
D13 (2)
D10 (8)
D8 (12)
D6 (16)
D2 (24)
D1 (26)
(67)
S2
(68)
TR (65)
AT2 (57)
-7
S1
(84) AT1
(83) (74)
-7
TR
(85)
Note) 1. Print Board : LC82780
2. Transistor
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- -7 (74)
K4-AT1 (82)
K4-S1 (84)
K4-TR (68)
RA-LF-U0 (76)

K1-D1(26)
K1-D2(24)
K1-D3(22)
K1-D4(20)
K1-D5(18)
K1-D6(16)
K1-D7(14)
K1-D8(12)
K1-D9(10)
K1-D10(8)
K1-D11(6)
K1-D12(4)
K1-D13(2)
RA-G3-24(26)
RA-G2-DE(5)
RA-G4-DE(5)
RA-G1--26(62)
RA-G2--9(60)
RA-G3--9(60)
RA-G2--26(3)
RA-G1--26(4)
-9(58)
-26(62)
-26(4)
DE(3)
24(10)
14(9)
RA-G3-14(17)
(125)16L RA-LF-I3(3)
(124)16U
(68)8L RA-LF-I2(7)
(69)8U
C0
(32')
C#0
(42')
D0
(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
ATTACK SLOW-OFF
SUSTAIN -MIN
C3 Key
G1 Circuit Diagram
SS-30 (S/ # l00 l ~ )
f= 62.5KHZ
f= 62.5KHZ
ZD : 02Z8.2A
others : IS1555
DC--26

(68)8L
(69)8U
RA-LF-I2(7)
RA-G2-DE(5)
RA-G4-DE(5)
RA-G1--26(62)
DC--26
DE(3)
-26(4)
RA-G3-14 (17)
RA-G3-24 (26)
2(7)
24(10)
14 (9)
1 (6)
RA-G2--9(60)
RA-G3--9(60)
RA-G2--26(3)
RA-G1--26(4)
-9(58)
-26 (62)
(125)16L
RA-LF-I3(3) (124)16U
(126) E
RA-G1-16U (125)
RA-G1-16L (124)
RA-G2-E (71)
RA-G3-E (71)
RA-G1-8U (69)
RA-G1-8L (68)
(67) E
G (5)
K1-D1 (26)
K1-D2 (24)
K1-D3 (22)
K1-D4 (20)
K1-D5 (18)
K1-D6 (16)
K1-D7 (14)
K1-D8 (12)
K1-D9 (10)
K1-D10 (8)
K1-D11 (6)
K1-D12 (4)
K1-D13 (2)
RA-G1-A1 (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/ # l00 l ~ )
-13-
Note) 1. Print Board :LC82790
Transistor
Tr1 : 2SA509
2.
Diode
3.
IC1,2
: YM25400
IC
IC3~6: LM3211
ZD : 02Z8.2A
4.
A0 (46')
G#0 (36')
G0 (38')
F#0 (48')
C0 (32')
C1' (30')
B0 (34')
A#0 (44')
F0 (50')
E0 (40')
D#0 (52')
D0 (54')
C#0 (42')
A1 (12')
G#1 (22')
G1 (20')
F#1 (10')
C1 (28')
C2 (26')
B1 (24')
A#1 (14')
F1 (7')
E1 (18')
D#1 (5')
D1 (2')
C#1 (16')

K2-D1(26)
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(6)
K2-D12(4)
RA-G4-24(26)
RA-G1-DE(3)
RA-G2--26(61)
RA-G1--26(62)
RA-G1--9(58)
RA-G3--26(3)
RA-G2--26(3)
-9(60)
-26(61)
-26(3)
DE(5)
24(26)
14(17)
RA-G4-14(17)
(123)16LRA-LF-I7(53)
(124)16U
(74)8L RA-LF-I6(47)
(73)8U
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')
Divider
Divider
Master
OSC
Master
OSC
Gate and Sustain time Control
-15V Regulator
Note)
Transistor Tr1
1. 2SA509:
Diode
2.
IC3. 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
SS-30 (S/ # l00 l ~ )
f=125KHZ
f= 125KHZ
ZD : 02Z82A
others : IS1555
-8.2V Regulator
RA-LF-I5(50)
RA-LF-I1(5)

OXYZPGX]s
OXY[PGGX]|
OXY]PGl
OXY\PGl
yhTsmTp\O\WP
yhTsmTp^O\ZP
O^[PG_s
O^ZPG_|
(71)XEٛGٛ
O^YٛGEٛ
yhTsmTpXO\P
yhTnX-E(]^P
yhTsmTp]O[^P
klGO\P
TY]GOZP
I1 (15)
14 (17)
G (13)
G (16)
PC (9)
G (25)
24 (26)
I2 (27)
-9 (60)
-26 (61)
RA-G2--26 (61)
RA-G1--26 (62)
RA-G1-DE (3)
RA-G4-14 (17)
RA-G4-24 (26)
RA-G1--9 (58)
RA-G3--26 (3)
RA-G2--26 (3)
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 (7')
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')
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')
RA-G2-D0 (62')
RA-G2-C#0 (48')
-15-
G2 Circuit Board & Wiring
SS-30 (S/ # l00 l ~ )
Note) 1. Print Board :LC82790
2.
Diode
3.
IC
IC1,2 : YM25400
IC3~6: LM3211
ZD : 02Z8.2A
4.
Transistor
Tr1 : 2SA509:
Capacitor
Steel Capacitor :
470P, 1000P
Others : IS1555
0 (14)

Gate and Sustain time Control
G3 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)
I1(15)
RA-G3-01(135)
RA-G1- I1(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)8URA-F-U5(73)
(74)8L RA-F-U4(71)
(124)16U
RA-F-U4L(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)
K3-D7(14)
K3-D8(12)
K3-D9(10)
K3-D10(8)
K3-D11(6)
K3-D12(4)
Note)
Transistor Tr1
1. 2SA509:
Diode
2.
IC
3.
ZD : 02Z82A
others : IS1555
IC1, 2 : YM25400
IC3~6 : LM3211
IC7 : TC4027P
4. Resistor F marks: +/- 1%
5.
Same numbers are connected in common
I2(138)
-16-

(74) 8L
(73) 8U
(71) EٛGٛ
O^Y)ٛEٛ
RA-G1-E (67)
RA-G4-E (71)
RA-F-U5 (73)
RA-F-U4 (71)
G3 Circuit Board & Wiring
SS-30 (S/ #
l00 l ~ )
(123) 16L
(124) 16U
(126) E
(125) E
RA-G3-16U (124)
RA-F-U4L (82)
RA-G3-16L (123) -9 (60)
-26 (61)
RA-G4--9 (60)
RA-G1--9 (58)
RA-G4--26 (3)
RA-G3--26 (3)
G (25)
24 (26)
I2 (27) RA-G3-02 (137)
RA-G1- I2 (7)
I1 (15)
14 (17)
G (13)
G (16)
PC (9)
0 (14)
DE (5)
-26 (3) RA-G2--26 (61)
RA-G3--26 (61)
RA-G4-DE (5)
DL-E
RA-LF-V1 (70)
RA-G4- I2 (27)
RA-G3-I2 (138)
RA-G3-01 (135)
RA-G1- I1 (6)
I2 O2 I1 O1 G
(138) (135)
(137) (134)
(136)
RA-G3- I1 (15)
RA-G4- 0 (14)
RA-G3- I2 (27)
RA-G3- 0 (14)
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')
RA-G3-G1 (26')
RA-G3-F#1 (14')
RA-G3-C2 (33')
RA-G3-C1 (36')
RA-G3-B1 (31')
RA-G3-A#1 (19')
RA-G3-F1 (12')
RA-G3-E1 (24')
RA-G3-D#1 (9')
RA-G3-D1 (7')
RA-G3-C#1 (21')
RA-G3-A0 (52')
RA-G3-G#0 (40')
RA-G3-G0 (43')
RA-G3-F#0 (55')
RA-G3-B0 (38')
RA-G3-A#0 (50')
RA-G3-F0 (57')
RA-G3-E0 (45')
RA-G3-D#0 (60')
RA-G3-D0 (62')
RA-G3-C#0 (48')
Tr1 2SA509
Tr2~4 : 2SC752
IC

Gate and Sustain time Control
G4 Circuit Diagram
SS-30 (S/ # l00 l ~ )
Divider
Master
OSC
Divider
Master
OSC
RA-G1-DE(3)
RA-G4--26(3)
RA-G3--9(60)
RA-G3--26(61)
RA-G2--26(61)
RA-G3-DE(5 )
Master Clock OSC
DE(5)
-26(3)
-9(60)
-26(61)
I1(15)
RA-G4- 0(14)
RA-G2- I1(15)14(17)
RA-G3- 0(14)I2(27)
24(26)
RA-G2- I2(27)
RA-LF-VI(70) PC(.9)
(14) 0
(73)8URA-F-U7(75)
(74)8L RA-F-U6(74)
(124)16U RA-F-U6L(84)
(123)16L
-15V Regulator -7.5V Regulator
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.
ZD : 02Z82A
others : IS1555
IC1, 2 : YM25400
IC3~6 : LM3211
.Resistor F mrks: +/-1% 4.4
5.
Same numbers are connected in common
-18-
f= 443KHZ
f= 443KHZ
TP1
TP2
RA-F-U5L(83)
RA-G3-I1(136)
RA-G4- I1(15)
Tr2~4 : 2SC752

(74) 8L
(73) 8U
(71) E
(72)ٛEٛ
RA-G3-E (71)
RA-F-E (41)
RA-F-U7 (75)
RA-F-U6 (74)
ZD : 02Z7.5A
Others : IS1555
Diode
3.
Note)
2. Transistor
Tr1 : 2SA509:
Tr2~4 :2SC752
1.
4.
IC1,2 : : YM25400
IC3~6 : LM3211
marks Resistor: 1%
IC
Print Board : LC82800
5.
(123) 16L
(124) 16U
(126) E
(125) E
RA-F-U5L (83)
RA-F-U6L (84)
φ I1 (15)
14 (17)
G (13)
G (16)
PC (9)
φ 0 (14)
DE (5)
-26 (3)
G (25)
24 (26)
φI2 (27)
-9 (60)
-26 (61)
RA-G3--9 (60)
RA-G4--26 (3)
RA-G3-φ 0 (14)
RA-G2-φ I2 (27)
RA-LF-V2 (69)
RA-G3-I1 (136)
RA-G4-φ I2 (15)
RA-G4-φ0 (14)
RA-G2-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/
#
l00 l ~ )
-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)
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 (26)
K4-D12 (4)
K4-D1 (26)
RA-G3-C1 (36')
RA-G4-A0 (52')
RA-G4-G#0 (40')
RA-G4-G0 (43')
RA-G4-F#0 (55')
RA-G3-B0 (38')
RA-G4-A#0 (50')
RA-G4-F0 (57')
RA-G4-E0 (45')
RA-G4-D#0 (60')
RA-G4-D0 (62')
RA-G4-C#0 (48')