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Yamaha Electone GX-1 Service Manual page 3

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| INDEX
Page
GX-1.
SPECIFICATIONS ...... mexgerG tipsike Coioman One, 001) palace ant, faery. Me
1
GX-1
CIRCUIT DIAGRAM
& CIRCUIT BOARD
Contents:of- Girculit-Board:.........0.
i. .%sknn «<>. ARISE
AINA
ATEN E SFP
Ee
8
Unit Layout (1).
scscscc cc rec catata ns tedeestetorene RON
JNBOTSHIOE SBR
US,
Fo
ee
16
MSIE LeaY OWE (2). coco sets. cence ts conc to sencsaeeiea cesta se te rece te tate SOP MES odie eet MEENDIONS, eT OR
Ae
Block Glagram (Wpper). ........... 6c
eee
SI
SRR BUR,
& TT
18
Block Diagrany WOWwer): «.-.-.....-.sne
tee.
SRR
TQ)
UNA
Se
19
Blocks Dirdgrarrn (POGal 5) sisi. si. .cscscocasnsan toasts ness cote te sete te +o
UL IVE
IBD. TA,
PT
20
Block Tipe
(5010) «.........-.-.-. on siedn wees
JUS WRG SINUS JOU
NAAL BY
zt
Block Diagran (Rhythm)
«.:.......4.ccciux,
GPE SRENIDA
nok, iin, AP
22
Block Bragram (Pres Ampi):
..:.:.-.ncccdescctocn:.
PODIRBERS SINS? AOWENRDS. &. PN,
23
'Terminal-Function 'Table (Micircuit).-.......
BAruy, JPetiENOA
Dsl
Magi. 27 rh
24
WM
.(Master Generator): Circuit Diagram: «...7e 1670 Jes
(plas 101 snetlal NGA. &
25
M:-.Girctiit.Board.,. Adjustment - ...:...i.-.0ccccccc-a.
OU
A e IeaMRUIDA
Sen
RUM. ©. 26
MS
.Cucit@Boardtiuyil.(bisodye7
Give aaF iOneN HRB AGS 2¢ anol ere). Mi 27
M-CircuiG Board.Witring (1)
......:..ccsciniseieeein.-.-
ones
TON
BD
Ne
2. 8228
Mi' -Circuit-Board:Wiring (2) ......
RIBS
Poss
Pee
bre. arotievO 707 feces T)
29
M.-Circuit:Board:Wiriag (3): -..: ..xc¢accecess.<.
RI
ASP REUIDA .IBOR HESS
30
M - Cireuit- Board: Wiring (4)
3s
0 cack Bice es.
PORE
THT) LORORIRYO, Oe!
31
M-GircuieBoard. Wiring (5) - .. <cenaccke
teins nce re ei.
BODEN, DIRQ
MOMS. EE
S2
BA
(Complementary Buffer Amplifier) Circuit Diagram
.............00000
eee
33
BA
-Gircuit- Board: Wiring -.-
2 6.
PSPS
BU
TE
BSS I
Oa,
34
KP
(Key Voltage forPedal} Circuit' Diagram
as HF
(S209
ING) SRBHIBN
35
KP
'Gircuit-Board; Adjustment, WInh@ ation
©. PEI
VES
YS VOOR
Bae TS L. 36
TEK
(Touch Control, Expression and Knee Lever) Circuit Diagram
.............
37
FEK - Circuit Boar
"Adjistment Wiring 22s
v y ISS ic JOU NOY IGF SOT
ISO UAITS S, 38
STR
(Solo Key Transformation and Reverb) Circuit Diagram.......... eee ee 39
SER
Circuit:Board; Adjustment, - Wiring'.
«0.6
BESS
ST
RS OE.
40
SS
(Solo Sub Oscillator) Circuit Diagram
fetid 3 (GYR
Tibi
SOIT
Seer,
Fe 41
SS: Gircutt Board, Adjustment,Wiring::
«><...
SWEIS FSiy
| aneieerk Yeas
Oe,
42
MOS
(Modulation and Sub Oscillator) Circuit Diagram ...........
00.00 eee eee 43
MOS.
Ciresut Board,
Adjustment, Wiring: « «6% -..«. FORPTHRUBA,
BISOS SHS
otk
44

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