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Yamaha Electone GX-1 Service Manual page 25

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Block Diagram (Upper Section)
TONE
SELECTER
R/S
(To Sample hold circuit)
+
_
as
15S
~—15
-15
PNI-I7—
PNI-I8
PNI-I9
SH-NI
S/H (From Sample
hold Circuit)
SW
SH-01
ai
4lF
a.
PN&-6
KL3
SOLO
$/H FUNCTION
2
E
SK
KEY Voltage
ro
er
RANDOM SI
PNECM
>
FRI
TO!
=
f (KN)
cso!
cfR/s
=
|
(SUB OSC)
PN4-12
NO
°
ie
i
Cl}
pns-7
sol
c SUB OSC
(Mos)
SS
BE
PO!
wlwlo
LK
(MOS)
PN4-I1
E
2lz}z2|a
1
=12|2/2
KLI
<
=
=
'
e
9
a
F
a
o
!
are
A
vCA
PN4-10
elzi2ie2
OOT
KNEE
as
&
Z
!
;
(TEK)Y?
a
ajo
—~-—-s
&
is
o
'
OUCH
RESPONCE
3
bok
oa
+15
v
PB
Q
f
SUB OSC CANCEL
* UPPER I
(MUI!)
x
<TR
NOTE Voltage
TRI
TR2
K8
TR8
oOo!
nr
4
one
IC
IN| CLEAR
(BA)
(BB) o
I
* UPPERII
0
(TV)
LTOU
CONTROL
PNI-7
f
x
sus
S
TR
+15
GX-1 (S/#
5030~
)
KEC-3386-46

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