SWITCH
DATA
BUS
D0-D8
KEY DATA BUS
D0-D7
Q5,6,8
Tube Pre Amp
MAIN CPU & GENERATOR
MIXER
20LINE * 2
LCD UNIT
PAH-72A
MGH-91A
MXH-35A
D / B S e le c t L E D
VRH-29A
503A 2/2
J120
J1
01
LESLIE
11PIN OUT
MIDI
OUT
MIDI
IN 1
MIDI
IN 2
CompactFlash
CARD SLOT
MAIN R OUT
MAIN L OUT
RESERV.
RESERV.
PEDAL OUT
PEDAL SIG.
PEDAL SIG.
U2 DSP
LF OUT
HF OUT
+15V
+15V
-15V
-15V
+5V
+15V -15V
from EPH119
HF IN
VCA
HF OUT
VCA
LF OUT
VCA
LF IN
VCA
U1
U3
U2
HEAD PHONE
LINEOUT L/MONO
LINEOUT R
JACK2
EXP
VR IN
JACK1
FOOT
SW IN
ADC
ADC
SWH-503A
SEND
RETURN
JK4
JK5
VA
CUUM
T
UB
E
V1
1
2A
X7
VA
CUUM
T
UB
E
V2
1
2A
X7
VIB
U1A
U1B
U2A
U2A
U2B
Tube
Tone
Master
UM-----B
SWH504A 2/3
LM-----A#
SWH504A 3/3
U1 LED
BUFFER
U 1 3 ,U 1 4
L V 5 7 4
U 42, 43
L V245
U 5 2
LV4 0 5 2
U 5 3
LV4 0 5 3
U16
LV245
U1 5
UPD7 1 0 5 1 GU
U25-27
LV245
U2 COM
S E LE CT
Q 1- 6
CO M
BU FFER
J303
J207
J203
J304
2.BLOCK DIAGRAM
XK-3
XK-3
J116
U6
0
N
JM
084
LV
4052
DE
M
ULT
IP
LE
XE
R
MA
ST
ER
V
O
L.
J114
J202
J202
J208
J201
J118
JK1
JK2
JK3
J302
J305
J301
U36
VASE3
MASTER
64POLY TONE
GENERATOR
U3
H8/3007
SUB CPU
U38
WAVE ROM
U20,21,22
LV138,245
U4
16M FLASH
SYSTEM
U5
16M DRAM
U19
128Kx16bit
SRAM
U57,58
SRAM
U55
KEYSCAN
ROM
U32
PCM1791
D/A
U62
4580M
OPAMP
U64
4580M
OPAMP
U63
4580M
OPAMP
U31
PCM1800
A/D
CONVERTER
LESLIE
EFFECT
TONE/
EXP
REVERB
EFFECT
U33
PCM1791
D/A
U37
VASE3
SLAVE
64POLY TONE
GENERATOR
VIBRATO
CHORUS
DIVIDING
NET WORK
AC 220V
J110
J111
J1
15
SWH-505A
LES SW
ENDBLOCK ASSY
WHEEL
ASSY
J530
KCH-17A
(32KEY CONTACTS)
KCH-18A
(29KEY CONTACTS)
KCH-16A
(12PRESETS)
J802
J801
MANUAL KEYBOARD ASSY(BH-73L)
U1-U4
Multiplexer
HC4052AP
DRAWBAR INTERFACE
IFH-18A
DRAWBAR PANEL ASSY
DB-509E
LOWER DB
DB
-5
02
H
PED
A
L D
B
DB-509E
UPPER DB
J514
J512
J5
11
J1
03
J5
15
J513
PANEL R SWITCH
SWH-504A 1/3
J520
J521
HF,LF IN V
LF IN V
HF IN V
OD PASS
HF OUT V
HF,LF OUT V
HF LEV.ADJ.
LF LEV.ADJ.
LF OUT V
Q6,Q2
VR1
VR2
TUBE AMP OFF(THRU ON)
PITCH DC
MOD DC
TONE VR DC
TUBE VR DC
PANEL L SWITCH
Master Volume
To MXH-35A J206
SWH-503A 1/2
J504
J508
J506
J5
09
J5
10
J5
07
J5
05
Power Supply
Power Switch
Voltage Select
& AC Line Filter
FUSE F1
PSH-83D
PSH-72B
+5V
+6V
J12
J13
to PAH-72A J303 220V AC
J1
1
J1
4
J4
J1
J2
J3
+18V
-18V
+18
+15
+15
-18
5V
5V
-15
-15
J306
HEATER
+6V
J112
Power On
Mute Relay
U7,Q7,RL1,2,3
U3A
U3B
U6A
RL1A
RL1B
U6B
RL2A
ROTARY
STA.L
STA.R
RL2B
RL3B
U4B
U4A
U5B
EXP.PEDAL
EXP-100F
-15V
REG
+15V
REG
JK
6
U5A
LESLIE
CONTROL
Q1,2,3,4
U34
PCM1791
D/A
J5
22
J105
J104
J105
J117
J106
J502
J503
+5V Reg.
U3
+18V Reg.
U1
-18V Reg.
U2
+6V Reg.
U4
POWER
TRANS
EPH-119
J206 J505
BAT1
U11
VR1
VR
1
VR2
VR3
RSW1
ROTSW
DATA
U19 LV245
U24
1.25vREG.
NJM2360
U24
3.3vREG.
NJM2360
5v
+3.3v
+1.25v
5v
U66
+5vAN REG.
7805AHF
+5vAN
U1
MAIN CPU
SH7017F28
(SH-2)
HC74P U3
EXP DC
EXP DC
