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Yamaha Electone GX-1 Service Manual page 61

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RHY
4
out
put Amplifier
(for Auto Phythm
Sound
Source)
£05 Cowbell 1, 2
Rim Shot 1
28
on
3
22K
°
oo.
ECS
221
a
HE
&
oo
Conga (High)
Bass
Drum
(Long)
sae
Circuit
Board, Adjustment, Wiring
GX-1 (S/#
5030 ~
)
RH Y
4
Terminal | Color |
Direction
No. |Terminal | £10"
Direction
+15
80
:
+15
79
Rhythm Sound source color adjustment.
=
Tone Source
et
avn.
and VR No~
7
Bass dram (Long)
01 (27)
400mS | VR1
3.0Vpp
VR2
76
n
(Short)
=
300mS | VR3
3.5Vpp
VR4
cow | cy2
——
5
Low conga
.
80mS_|
VR5
3.0Vpp__VR6
13'
S.GR'S PN6-VR2-2-2 | 74
High conga
"
55ms_ | VRQ
2.0Vpp
VR10
1a
|Sanel PNe-VRo1-2
173
High bongo
e
70mS | VR11
1.0Vpp
VRI12
IM | BR | RHY1-VR259
| 72
Claves
13 (28)
22mS_ | VR7
0.02 Vpp
VR8
04
71
pte
d
GOms_|
VRI3
ME
03
|$-BR| PN6-VR2-1-3 | 70
Cowbell 2
VR14
SF
69
Rim shot
=
15mS | VR16 |
0.06 Vpp
VR17
13
68
Rim shot
.
VR18
0.02Vpp
VR19
O1
|S-YE| PN6-VR2-2-1
| 67
02
|S0R| PN6-VR2-2-3 | 66
Conditions:
Set the decay time as shown by the following diagram.
12
65
a
64
ae
=
d See
a8
62
Ref.:
The value of the first part should be that when the input
pulse is 6V, so that when the image control is set at center the value
61
is approx. 2/3.
50
Rhythm amp output level adjustment -- VR20
59
Conditions:
(1) Set for Jazz Rock I.
58
(2) Set for fastest rhythm speed.
57
(3) Set the image control to center.
56
Adjust
VR20
so that -15dBm
(122mV)
is present at the 5 Ch
=
out terminal or terminal 04 (31).
7
53
52
SIM | cut | ES Sc
51
BOH | Yar | Pere
50
o| Con
ae | ee
49
8 | CLA | pr | Fsie@-c
48
7 | COL | or: | BS*-@c
47
6| BDS
|RE|ESTOC =| 46
5 | BDL | GR? a.
45
4
44
3
E
43
2
E
42
1}
E
41

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