F Circuit Diagram - Yamaha Strings SS-30 Service Manual

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VIOLIN Mixing Amp and Filter
U7(75)
RA-G4-8U(73)
U6(74)
RA-G4-8L(74)
US1
U5(73)
RA-G3-8U(73)
(64)
US2
U4(71)
RA-G3-8L(74)
(65)
U3(70)
RA-LF-01 ( 6 )
U2(68)
RA-LF-06 (48)
U1(67)
RA-LF-02( 8 )
VIOLA Mixing Amp and Filter
U6L(84)
RA-G4-16U(124)
U5L(83)
RA-G4-16L(123)
U4L(82)
RA-G3-16L(124)
U3L(81)
RA-LF-09 (51)
U2L(80)
RA-LF-08 (52)
U1L(79)
RA-LF-04( 4 )
US3
(77)
CELLO Mixing Amp and Filter
L3(25)
RA-LF-05(49)
L2(23)
LS1
RA-LF-07(54)
(19)
L1(22)
RA-LF-03 (46)
LS2
(20)
Mixing
05
I8(37)
PN2-SW2-B1
PN2-SW2-B2
(39)
(ORCHESTRA-CELLO)
(ORCHESTRA-CELLO)
I9(38)
PN2-SW3-B
(ORCHESTRA-VIOLIN)
Mixing Amp
I7(10)
PN2-SW3-M1
(ORCHSTARA-VIOIN)
I6( 9)
PN2-SW2-M1
(ORCHSTRA-CELLO)
EXP
SI(50)
PN2-SW3-T2
(ORCHESTRA-VIOLIN)
OI(51)
PN2-SW2-T2
(ORCHESTRA-CELLO)
V-I converter
FC(12)
RP-EJ1-4
(Foot Controller)
PN1-SW7-M1
(VIOLIN 1 )
PN1-SW8-M1
(VIOLIN 2 )
PN1-SW6-M1
(VIOLA)
PN1-SW3-T
(CELLO1)
PN1-SW4-T
(CELLO 2)
PN1-SW3M
(CELLO)
PN1-SW4M
(CELLO2)
(6) o4
PN2-VR-1
(ORCHESTRA-DEPTH)
(7)03
RA-OR-I(16)
RP-EJ1-7
(Foot Controller)
Pre Amp
(5)EO
PI(35)
(34)PO
PN1-VR9-3
SS-30 (S/ # l00 l ~ )
VIOLIN
Amp
I1(63)
PN1-SW7-T1
(VIOLIN 1)
I2(62)
PN1-SW8-T1
I3(60)
(VIOLIN 2 )
UO
PN1-SW6-T1
(VIOLA)
(59)
UB
(58)
C ELLO Amp
I4(16)
I5(17)
LO
PN1-VR7-1
(13)
(BRILLIANCE-CELLO)
LB
PN1-VR7-2
(15)
Power Supply
(for Foot Controller
+15'
(46)
-24-
F
Circuit Diagram
Buffer
PN1-VR8-1
UI(27)
(BRILLIANCE-VIOIN)
O1
PN2-SW3-T1
(28)
PN1-VR8-2
(ORCHESTRA-VIOLIN)
(BRILLIANCE-VIOLIN)
+15'
-15'
Buffer
LI(32)
PN1-VR6-2
O2
(CELLOO-VOLUME)
PN2-SW2-T
(31)
(ORCHESTRA-CELLO)
Output Amp
VI
OUT
PN1-VR9-2
RP-EJ3-1
(55)
(VOLUME)
(53)
(OUTPUT)
Note)
1. IC : HA1452W
2.
Transistor
Tr5
:
2SA561
Tr8
: 2SA509
Others : 2SC458LG
3. Diode : 1S1555
4.
Photo Coupler : P588-
G50-201B

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