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GX-1
(S/#
5030~
)
PSM
One button selection and proceding circuit
+10.6V DC
™ Switching ckt 7
(for channel I)
°
circuit (for channel II)
=
TR2!
TR3!
21
= =
9
4
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20
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1~¢
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TR22
TR32
|
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TR23 TR33
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TRIG
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TR24 TR34
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TRIS
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TR25 TR35
3
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TRE TRIG |
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TRG TR3E |
2
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15
1
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——
(17)
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(23)
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TR7
TRI7
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TRe7?TR37__ |
6
a ;
—014
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—Lo 0 7(12)
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(27) K3 O
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Trot
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TR29 TR39
|
3
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r
5
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TRIO
TR2O
4
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TR30
TR40
i
+15V
'
ee
11
1
—0
110(6)
eee
(28)
i nee eel
2
+
=
NOTE)
1.
TRANSISTOR
4.
Same number terminals in channel I and channel
TR1-10,21-30,41-60 : 2SC458 (C)
II are connected each other.
=
TR11-20,31-40
2SA561
(Y)
5.
If two tone selector buttons are pressed within
S
2.
DIODE
150m sec. of each other, when the two are
=
01-20
1$2473 (VE)
released, both tones are selected and both lamps
g8
3. Ic
light.
u—____
lock
pulsi
il
24,3A,4D,5A,6A
: CD4001 (RCA C MOS)
6. When the power switch is turned on, preset
nae
P
a
aia
When the power switch is turned on,
1B,4B,7C
CD4016 (RCA C MOS)
selector is set to by this ckt.
preset selector is set to by this ckt.
1C,1D,2C,3C,4C,
7. When two button are pressed at same time.
5C,6C,7D
: CD4025(RCA
C MOS)
7A
: CD4049 (RCA C MOS)
DC
Supply
for
IC 7A
28,20,38,30,5B,5D,
68,6D
: MC14570
(C MOS)
a
1
%
OR circuit
I channel... Button of Left side precedence
KEC-325 9-46
+15
i.
4049
(7A)
(Preset Tone
Selection and Memory)
Circuit Diagram
One button selection and proceding
+10.6V DC
r Switching ckt 5
NOR
circuit
=.
>
Il channel . . . Button of Right side precedence
Lamp
driving
circuit
TR41 TR42
-----5
<a
Lg
a
(a9)
1
TR437R44 1
I
I
I
I
ge
¢
eR
ee ee
8 =>
L8
8 =e
;
GH)
I
TR45 TR46 I
1
i
'
i
ee
.
=
> Se
ir
—+OL7
? te"
!
(53)
;
TRA? Tras |
I
I
oe
C=
Cs
Lé
6 415
i
(35)
;
TR49 TR5O |
I
|
I
cs
5 <a
—j0o1s
5 oir
(19)
:
TRS!
TR52
1
I
!
|
G2
aise
455
7
01s
4
tore
4
(24)
;
TRS3 TR54
:
I
I
fees
Sle
OLS
3S
1
(30)
TR55 TRSG
|
I
I
'ie Se eee
2 ly
02
2 toe
1
(34)
:
TR57 tase |
!
I
=
,
eS
en
|
=
—rO
L!
| 4535
1
(20)
;
TRS59 TREO |
I
I
I
te ee
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