A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
DU1A
DU1A
DU1A
DU1A BLOCK DIAGRAM, WIRING
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
7SEG LED
Panel
Switches
LED
PANEL
SWITCH
R
L
CNRCA
6
2
3
13
DRST
+5D
PRESET
+5D
RESET
PRESET
+3.3D
+1.8V
ADDRESS BUS
DATA BUS
RESET
DRST
SILENT
PEDAL
SWITCH
MOTOR
to CONTROL UNIT
(16P)
(2P)
(12P)
(3P)
(12P)
(21P)
(30P)
(25P)
(25P)
(30P)
(21P)
(10P)
(10P)
(3P)
(15P)
16, 17
CONTROL UNIT
KEY SENSOR UNIT
HAMMER SENSOR UNIT
MN-PS UNIT
PROTECT Signal
PROTECT
Signal
PWM
TR
ARRAY
Key No.57~88
TA1~8
+100V
(4P)
+5D
(CTRL)
N.C
(DA)
(50P)
98
SWP
45
48
5
1
THERMOSTAT
4MHz
Key No.13~24
Key No.1~12
+100V
Key No.25~56
CN101
CN37
PORT BUS
BLOCK DIAGRAM
16M
FOOT
CONTROL
66
62
5
5
23
PLAY DATA
SENS DATA
+5D
DATA BUS
ADDRESS BUS
CN05
CN08
+5D
RES
4M
8M
THERMO
30
29
KEY DRIVE UNIT
SWITCH BOX UNIT
OUTLET ASSEMBLY
TR1
CN1
CN6
CN5
PROTECT
Sig
+100V
THERMOSTAT
Loud
Solenoid
Shift
Solenoid
Lock
Solenoid
PEDAL DRIVE UNIT
TR2
TR3
THERMO
100C
Loud
Sensor
1
2
Shift
Sensor
PS2
PS1
Ref voltage (+5V)
CNP
+5V
GND
3
7
+5V
6
5
CN2
F1
CN1
CN3
(Primary)
(Secondary)
CN4
CN5
(10P)
RY1
CN6
(20P)
SUB POWER
TRANSFORMER
RE5V
RE12V
D2
D3
C—C
PC80,Q80
48
1
2
3
4
11
59
60
2
1
6
2
GATE ARRAY
GA1
(100P)
CN1
(10P)
CN1
(13P)
CN3(13P)
HD
DRIVE
TA1,2
SOSTENUTE
PK-CTL
SENS
IRQ
CMD
SENS
CMD
CPU1
HD64F2128
CPU(FLASH)
(64P)
MIDI
DRIVE
TRA1,2
LED UNIT
HUMMER
SHUTTER
PD
& (14P)
COMPARATOR
(CMP1,CMP2)
CN1
HU4
(14P)
(20P)
CNH1
(20P)
LED UNIT
KEY
SHUTTER
AN0~7
LD0~LD11
+5V
PD
(PD0-7)
&
OP-AMP
(14P)
OP1,2
+12V
GND
+20V
+8V
+100V
Noise
Filter
MN-PS
UNIT
P.SW
RY
P.ON
RY
EMI
FIL
(10P)
(7P)
(16P)
(16P)
CN37
(16P)
(3P)
(3P)
(3P)
(3P)
(3P)
(14P)
(3P)
(3P)
(3P)
(3P)
(16P)
(6P)
(16P)
(14P)
(16P)
(3P)
(3P)
(9P)
(8P)
3
(16P)
(4P)
SWITCH BOX UNIT
(10P)
(10P)
(4P)
RY2
(7P)
(9P)
(8P)
(7P)
(9P)
(8P)
(3P)
(26P)
(20P)
(6P)
(4P)
(11P)
(26P)
(10P)
5,8
1,4
104,106
DATA BUS
ADDRESS BUS
1,92,96
50,51
(6P)
3,9,15
91,108,
110~112
1,3
5
(3P)
+8A
VSS
(3P)
(3P)
(3P)
(10P)
(5P)
(3P)
(6P)
(2P)
(7P)
(4P)
(5P)
W
W
L
CN4
(3P)
+8V
GND
L
CN2
CN3
(4P)
U,APTW models
E,APTH,APHK models
W
W
L
L
L
L
CN2
RY1
F1
CN3
COIL
NC
NC
11.2896MHz
XTAL1
IC23
(14P)
2
97
1
4
3
7MHz
X1
1MHz
XG
CD-ROM DRIVE
REGULATOR-12V
WIRING
1
2
5
4 3
7
8
6
E
8
7
6
5
E
4
3
2
1
E
5
1
10
15
11
6
MIDI
IN
26
26
1
1
21
21
1
1
MIDI
OUT
JK001
CN004 (4P)
CN1 (34P)
to FDD
CN005 (34P)
CN1 (21P)
to PANEL SWITCH
CN007 (21P)
(4P)
1
4
3
5
2
1
CN001 (15P)
to PIANO
SW001
MIDI
HOST
MAC
SELECT
PC1
PC2
SELECT
TO CONTROL CABLE
FOR PIANO
JK002
CN011
(2P)
TO HOST
SPEAKER
FDD
CONTROL
UNIT
CONTROLLER
DRIVE C
DRIVE B
PASW
CD PANEL
(CTRL)
to LCD MODULE
CN006 (16P)
CN1 (16P)
LCD MODULE
CN002 (10P)
CN1 (10P)
16
2
1
16
1
1
CNA1 (30P)
CN2 (30P)
CN3 (25P)
CNA2 (25P)
FFC
FFC
ATAPI
DSP
HAMMER EMISSION
(DA)
8
7
6
4
3
9
1
2
5
CN202
(EH3P)
CN214
(XH3P)
1
1
3
G
+100V
+100V
3
CN114
(XH3P)
CN36
(XH3P)
1
3
G
+100V
CN215
(XH3P)
1
3
G
+100V
CN213
(EH3P)
1
+100V
3
CN102
(EH3P)
1
+100V
3
CN113
(EH3P)
1
+100V
3
CN2
(EH3P)
1
+100V
3
CN33
(EH3P)
1
+100V
3
1
3
G
+100V
CN34
(XH3P)
1
3
G
+100V
CN201 (PH14P)
1
14
CN115 (PH14P)
CN116 (PH6P)
CN117 (PH3P)
1
6
3
1
CN35
(PH3P)
1
1
3
CN38
(PH2P)
THERMOSTAT
CN1 (PH13P)
1
14
CN101 (PH16P)
16
CN37 (PH16P)
16
1
DRIVE A
(1)
CN36
(XH3P)
CN2
(EH3P)
1
+100V
3
CN33
(EH3P)
1
+100V
3
1
3
G
+100V
CN34
(XH3P)
1
3
G
+100V
CN35
(PH3P)
1
3
CN38
(PH2P)
THERMOSTAT
CN37 (PH16P)
CN06 (PH16P)
CN04
(PH4P)
CN05
(PH7P)
CN15
(PH2P)
N.C
CN08
(PH3P)
to sensor / MN
CN02 (PH9P)
CN03 (PH8P)
to MN
CN01 (PH10P)
to Control Unit
16
1
10
1
16
1
9
1
TMN-
TMN+
SENS-
SENS+
1
7
1
4
3
1
1
2
10
1
8
1
DRIVE A
PK-CTL
CTRL IN U
(2)
KEY SENSOR UNIT
KEY DRIVE UNIT
HAMMER SENSOR UNIT
12V
GND
GND
5V
CMD+
CMD-
TMN+
TMN-
1
Vcc
A
A#
B
C
C#
D
D#
E
F
F#
G
G#
13
HAMMER SENSOR
KEY SENSOR
CN3 (PH13P)
1
Vcc
A
A#
B
C
C#
D
D#
E
F
F#
G
G#
13
CN1 (20P)
Vcc/GND/IRQ/RES
Vcc/GND/IRQ/RES
1
20
CNH1 (20P)
CN1 (10P)
20P
20P
1
20
10
1
12V
GND+
GND-
5V
CMD+
CND-
SENS+
SENS-
Not Used
Not Used
11
10
9P
9P
23
32
20
33
35
36
34
37
42
41
38
43
44
30
31
22
21
19
17
14
18
29
25
26
27
16
8P
8P
2P
2P
CN11 (PH10P)
to PK-CTL
CN2 (PH11P)
to KEY SENSOR
CN7 (PH4P)
MIDI FOR DB
CN106
(PH7P)
CN104
(PH8P)
CN105
(PH9P)
CN5
(PH10P)
CN109
(XH3P)
CN4
(PH6P)
CN6
(PH3P)
MOTOR
SILENT PEDAL SWITCH
CN108
(20P)
CN1
(26P)
CN6
(20P)
CN12
(PH6P)
to CD
CN3
(VH4P)
CN110
(XH4P)
MN
SUB POWER
SUPPLY
DB
M
CN2 (5P)
CN3 (4P)
JK3
(3P)
AC INLET
to PS
AC
NOISE FILTER
(U,APTW models)
Mains Power Switch
COIL
(D1)
(R1)
75
(F1)
L
(JK1)
CN1
(4P)
AC
OUTLET
AC
OUTLET
(JK2)
(RY1)
(ZD)
(R2)
56
(R3)
1K
(Q1)
L
L
1
2
3
4
1
2
3
4
5
W
W
L
W
L
CN4
(3P)
+8V
GND
R
JK1
JK2
AUX
OUTLET BOX
OTLT
OUTPUT
FOOT CNTRL
HP
(1/2)
HP
(2/2)
CN5
(7P)
CN4
(8P)
CN8
(10P)
HEAD PHONES (HP1)
HEAD PHONES (HP2)
VOLUME
REVERB
AUX IN
AC IN
CN7
(9P)
AUX OUT
SWITCH BOX UNIT
D-SUB
CABLE
CN4
(VH5P)
CN5
(PH10P)
CN2
(LB3P)
CB1
(LB3P)
CN1
(LB3P)
TRANSFORMER
1
1
3
3
1
3
1
10
CB6
(PH10P)
CB5
(VH7P)
1
10
1
7
AC
AC
DC100V
G
G
G
MN-PS UNIT
SW+
SW-
PO-
PO+
GND
GND
GND
+8V
+8V
+20V
PWB
24
6P
6P
CNP (EH5P)
1
5
CN5
(EH6P)
6
TH
PR
O
TECT
G
S.
P
W
M
+100
G
D.
P
W
M
1
CN1
(EH3P)
1
CN2
(XH3P)
CN3
(XH4P)
G
4
1
3
1
+100
G
+100
CN4
(EH4P)
4
1
G
+100
3
D
A
MPER SIG.
SHIFT SIG.
+5
G
PEDAL
SENSOR
PEDAL
DRIVE
CN6
(EH2P)
LOUD
SOLENOID
PEDA DRIVE UNIT
SHIFT
SOLENOID
LOCK
SOLENOID
THERMOSTAT
15
13
12
Location
Unit Name
Parts List
Ref No.
Connector
Assembly
Destination
Remarks
Part No.
Location
Unit Name
Parts List
Ref No.
Connector
Assembly
Destination
Remarks
Part No.
q
w
e
r
t
y
u
i
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
!9
@0
@1
@2
@3
@4
@5
@6
@7
@8
@9
#0
#1
#2
#3
#4
#5
#6
#7
#8
#9
$0
$1
$2
$3
$4
$5
$6
$7
Control Unit
Control Unit
Control Unit
Control Unit
Control Unit
Control Unit
Control Unit
Control Unit
Hammer Sensor Unit
Hammer Sensor Unit
Overall Assembly
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Key Drive Unit
Overall Assembly
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
MN-PS Unit
Pedal Sensor Unit
MN-PS Unit
Overall Assembly
S-Rail MD Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Outlet Assembly
Control Unit
92
93
80
90
91
C270
C250
C260
190
180
135
28
27
27
29
23
26
25
30
24
31
31
130
71
76
77
78
79
72
81
70
70
70
70
70
70
74
75
80
1
73
27
25b
12
11
10
10
13
13
14
14
15
15
C150
FDD POWER
FDD SIGNAL
KRD-KRD
ATA30
ATA25
LED H
HK H
HK K
KEY DRIVE F
KEY DRIVE E
KEY DRIVE E
KEY DRIVE G
KD-MN-A2
KEY DRIVE D
KEY DRIVE C
KEY DRIVE H
KD-MN-B2
KEY DRIVE I
KEY DRIVE I
PK SENSOR MN
MN-A
MN-F
MN-G
MN-H
MN-I
MN-B
MN-K
MN-SW
MN-SW
MN-SW
MN-SW
MN-SW
MN-SW
MN-D
MN-E
MN-J
PEDAL SENSOR
MN-C
MO
MO 131
OUTPUT
RY-CNT
AC FILTER CU
AC FILTER CE
P-SW
P-SW CE
UDS-96B
UDS-96W
CDSWP
CDSWP
CDPA
CONTROLLER-CN004
CONTROLLER-CN005
CONTROLLER-CN011
CONTROLLER-CN006
CONTROLLER-CN007
CONTROLLER-CN002
DSP-CNA1
DSP-CNA2
HAMMER SENSOR-CN3
HAMMER SENSOR-CN1
KEY SENSOR-CNH1
DRIVE B-CN116
DRIVE B-CN114
DRIVE A(1)-CN34
DRIVE B-CN115
DRIVE A(1)-CN36
DRIVE C-CN214
PEDAL DRIVE-CN1
PK-CTL-CN05
PK-CTL-CN04
PK-CTL-CN06
PK-CTL-CN03
DRIVE A(1)-CN38
DRIVE A(2)-CN38
PK-CTL-CN02
KEY SENSOR-CN1
PWB-CB5
SUB POWER SUPPLY-CN1
SUB POWER SUPPLY-CN2
SUB POWER SUPPLY-CN5
SUB POWER SUPPLY-CN6
MN-CN11
MN-CN2
MN-CN7
PK-CTL-CN08
MN-CN106
MN-CN104
MN-CN5
MN-CN105
MN-CN110
MN-CN109
MN-CN4
Silent Pedal Switch
MN-CN6
MN Connection
Motor
OUTPUT-CN1
OTLT-CN4
OTLT-CN3
OTLT-CN3
Mains Power Switch
Mains Power Switch
PK-CTL-CN01
PK-CTL-CN01
MN-CN12
MN-CN12
CONTROLLER-CN008
FDD POWER
FDD
Speaker
LCD
PASW-CN1
DSP-CN1
ATAPI-CN2
ATAPI-CN3
HAMMER EMISSION-CN1
Connector 20P
Connector 20P
PEDAL DRIVE-CN5
DRIVE C-CN215
DRIVE A(2)-CN36
DRIVE C-CN201
PS Connection
PEDAL SENSOR-CNP
DRIVE A(1)-CN35
DRIVE A(2)-CN35
DRIVE B-CN117
DRIVE A(1)-CN37
DRIVE A(2)-CN37
DRIVE B-CN101
MN Connection
Thermostat
Thermostat
MN Connection
KD Connection
AC Connection
PWB-CB1
PWB-CB6
MN-CN108
KD Connection
SENSOR Connection
CONTROLLER-CN001
CTRL IN U
HP(1/2)-CN5
HP(1/2)-CN4
HP(1/2)-CN8
HP(2/2)-CN7
AUX OUT Connection
DC8V Connection
PD SENSOR Connection
MN Connection
MO Connection
MO Connection
MN Connection
MN Connection
MN Connection
SD Connection
SD Connection
OTLT-CN2
OTLT-CN2
CONTROLLER-CN001
CONTROLLER-CN001
DSP-CNSWP
DSP-CNSWP
CD PANEL-CN1
4P
34P
2P
16P
21P
10P-200L
30P-105L
25P-135L
13P-50L
20P
20P-600L
6P
3P
3P
14P
3P-6P
7P-5P
4P-3P
16P
8P
2P
2P
9P-9P
10P-9P
7P-6P
3P-2P
3P
10P
20P
10P-8P
11P-9P
4P-15P
3P
7P
8P
10P
9P
4P
3P
6P
6P
3P-2P
2P-300L
2P
4P-500L
3P-400L
4P-2P:U,APTW
4P-2P:E,B,APTH,APHK
5P-150L: U,APTW
5P: E,B,APTH,APHK
10P-15P: Black model
10P-15P: White model
6P-3.9m: Black model
6P-3.9m: White model
12P-180L
V3796300
V3796400
V3796800
V3796600
V3796700
VJ982900
V5867600
V5867700
V9066500
V9066300
V9066400
VN519600
VN519500
VN519500
VN519700
V8999600
VN519400
VN519300
VN519800
V8999700
VN521800
VN521800
V8998400
V8985300
V8986300
V8986500
V8986600
V8986800
V8985500
V9013900
V9000700
V9000700
V9000700
V9000700
V9000700
V9000700
V8985900
V8986100
V8987000
V9000500
V8985600
V9009500
V7980700
V9035600
V9035700
V9035500
V9054200
V9035900
V9555500
VV170500
VV222900
V6034800
V6034900
V5255800
39
40
28
1
2
3
( ) British specification
There is not the attachment of a part.
4P
4P
3P
3P
45
CNSWP
(6P)
46
47
CN1 (50P)
CN1 (12P)
CN008 (12P)
CN107
(26P)
IC008
(5P)
INVERTER
IC012
(14P)
IC012
(14P)
IC012
(14P)
IC001
(14P)
8
9
12
11
12
13
12 TxD3
RxD3
13
+5D
ADJ
IC034
(16P)
TRANSISTOR
ARRAY
IC033
(16P)
TRANSISTOR
ARRAY
IC016
(20P)
D0-7
DGND
D0-7
A0-7
D0-7
20
20
20
1,14
+3.3D
8MHz
D(00-15)
A(01-16)
NPA0-6
NPB0-6
SWRD0-7
TxD2
TxD1
TxD3
RxD3
6
10
7
6
5
D-FF
MRC1-6
16MHz
1MHz
8MHz
SHRxD0
SHTxD0
1MHz
1MHz
3
15
4
2
SHTxD1
SHRxD1
+5D
+5D
+3.3D
TR8