Yamaha Tyros 1 Service Manual

							4
REF NO.PART NO.DESCRIPTIONREMARKSQTYRANK
RANK:  Japan only *: New Parts
TRS-MS01

 ELECTRICAL PARTS
*
*
*
*
*
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
C44
C45
C48
C49
C56
C57
C58
C59
C60
C61
CB4
CB5
CB6
D2
D3
D4
D5
D6
D7
D8
F1
F1
F1
IC1
IC2
IC4
IC5
IC6
IC7AAX40900
AAX40910
AAX40920
AAX40930
AAX40940
VS741700
VF964800
UA654330
UA654330
VJ836900
UA654330
UA654330
VJ836900
UR759470
UR857470
UR759470
UR857470
FG212470
FG212470
UA655100
VJ836900
UR866220
UR867100
UR866220
VJ836900
UR867100
UA655100
UM397330
UA655150
UA655390
UJ668100
UJ668100
UM397330
FG211150
FG211150
UA655100
VJ837200
VJ837200
UM397330
UA653390
UA655180
UA653470
UA654470
UA654470
UA655100
UA655100
UA655470
UA655100
VJ836900
VJ836900
VD004600
VP206500
VP206500
VC971500
IF004600
IF004600
IF004600
IF004600
IF004600
IF004600
AAX10930
VT951300
KB000660
XN324A00
XN324A00
XJ602A00
XD343A00
XV809A00
XN324A00ELECTRICAL PARTS
Circuit Board
Circuit Board
Circuit Board
Circuit Board
Circuit Board
Recognized Ceramic Cap.
Electrolytic Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Mylar Film Capacitor
Electrolytic Capacitor
Electrolytic Capacitor
Connector, Base Pin
Fuse Holder
Fuse Holder
Diode Bridge
Diode
Diode
Diode
Diode
Diode
Diode
Fuse
Fuse
Fuse
IC
IC
IC
IC
IC
ICMAIN     J
MAIN     UC
MAIN     GBR
MAIN     E
MAIN     AUS
0.01 275V
100 16V
0.033 50V
0.033 50V
10.0 16V
0.033 50V
0.033 50V
10.0 16V
4700.0 35V
47.0 35V
4700.0 35V
47.0 35V
470P 50V
470P 50V
0.1 50V
10.0 16V
2.20 50V
10.0 50V
2.20 50V
10.0 16V
10.0 50V
0.1 50V
33.0 16V
0.15 50V
0.39 50V
100.0 50V
100.0 50V
33.0 16V
15P 50V
15P 50V
0.1 50V
47.0 16V
47.0 16V
33.0 16V
3900P 50V
0.18 50V
4700P 50V
0.047 50V
0.047 50V
0.1 50V
0.1 50V
0.47 50V
0.1 50V
10.0 16V
10.0 16V
3P
EYF-52BC
EYF-52BC
RBV-402 4.0A 200V
1N4148
1N4148
1N4148
1N4148
1N4148
1N4148
2A 125V
2A 250V
400mA 250V
KIA4558P
KIA4558P
KIA7812AP
KIA7912AP
STK408-040E 25W
KIA4558PJ 364543
U 364544
B 364545
E 364546
A 368190
J
U
B,E,A
OP AMP
OP AMP
REGULATOR +12V
REGULATOR -12V
POWER AMP
OP AMP01
01
01
01
01
01
01
01
04
01
04
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
03
01
01
01
01
01
01
03
01
02
03
03
02
03
11
03 
						

							REF NO.PART NO.DESCRIPTIONREMARKSQTYRANK
RANK:  Japan only *: New Parts
5 TRS-MS01
JK5
PJ1
PJ2
Q3
Q4
Q5
Q6
Q7
Q8
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
R64
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83
R85
R86
R87VV881000
V3407500
VU581900
IA101590
IC1815M0
IA101590
IC1815M0
IA101590
V3028000
HF456470
HF457680
HF457330
HF457680
HF457330
HF456820
HF456820
HF457150
HF456150
HF456150
HF457220
HF455470
HF457560
HF457560
HF456470
HV455100
HV455100
HV453470
HF456470
HF454100
HF456180
HF457390
HF457390
HF457390
HV453470
HF456180
HF456180
HF455470
HF458100
HF458100
HF455470
HF456180
HF457680
HV456100
HF457680
HV454820
HV453470
VE869300
HV453100
HV453100
HF457470
HF456100
HF456100
HF459100
HF457100
HF457200
HF457100
HF458180
HF457100
HF455390
HF454100
HF458150
HF458150
HJ358220
HF455100
HF455100
HF455470
HF455470
--
--
--Connector, DIN
Jack, Pin
Jack, Pin
Transistor
Transistor
Transistor
Transistor
Transistor
FET
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Flame Proof Carbon Res.
Flame Proof Carbon Res.
Flame Proof Carbon Res.
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Flame Proof Carbon Res.
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Flame Proof Carbon Res.
Carbon Resistor
Flame Proof Carbon Res.
Flame Proof Carbon Res.
Metal Oxide Film Resistor
Flame Proof Carbon Res.
Flame Proof Carbon Res.
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor
Carbon Resistor8P CMS5008-0101
1P MSP-241V
MTJ-032-04B-01
KTA1266(GP)
KTC3198(GR)
KTA1266(GR)
KTC3198(GR)
KTA1266(GR)
2SK304 E
4.7K 1/6W
68K 1/6W
33K 1/6W
68K 1/6W
33K 1/6W
8.2K 1/6W
8.2K 1/6W
15K 1/6W
1.5K 1/6W
1.5K 1/6W
22K 1/6W
470 1/6W
56K 1/6W
56K 1/6W
4.7K 1/6W
100.0 1/4W
100.0 1/4W
4.7 1/4W
4.7K 1/6W
10 1/6W
1.8K 1/6W
39K 1/6W
39K 1/6W
39K 1/6W
4.7 1/4W
1.8K 1/6W
1.8K 1/6W
470 1/6W
100K 1/6W
100K 1/6W
470 1/6W
1.8K 1/6W
68K 1/6W
1.0K 1/4W
68K 1/6W
82.0 1/4W
4.7 1/4W
0.1 2W
1.0 1/4W
1.0 1/4W
47K 1/6W
1K 1/6W
1K 1/6W
1M 1/6W
10K 1/6W
20K 1/6W
10K 1/6W
180K 1/6W
10K 1/6W
390 1/6W
10 1/6W
150K 1/6W
150K 1/6W
220K 1/6W
100 1/6W
100 1/6W
470 1/6W
470 1/6W
0.55
0.55
0.55TO KEYBOARD
TO KEYBOARD
TO KEYBOARD L/R
(VD04170)
(VD04170)
(VD04170)05
02
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01 
						

							6
REF NO.PART NO.DESCRIPTIONREMARKSQTYRANK
RANK:  Japan only *: New Parts
TRS-MS01
*
*
*
*
*
*
*
*
*
*SW2
VR2
AAX31140
VZ496100
X2009A00
X3223A00
X2113A00
X2115A00
X2114A00
V8723400
V8366300
V9014100
V8366400
V8366500Power Switch
Rotary Potentiometer
Woofer
Power Transformer
Power Transformer
Power Transformer
Power Transformer
Power Cord
Power Cord
Power Cord
Power Cord
Power CordSY16-52-4
A5K
16cm Cone type
A165A1-1 J
A165B1-1 UC
A165E1-1 BG
A165D1-1 A
AC J 2m PHP-212
AC U/ C/ H.R.S
AC B 2m PHP-330
AC G 2m PHP-205
AC A 2m PHP-208POWER ON/OFF 354986
BASS
353214
J 353130
U 353131
B,E 353133
A 353132
J 355103
U 353587
B 360557
E 355106
A 35510405
04 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
TyrosTyros Tyros

 Tyros BLOCK DIAGRAM 1/10
16MHz
HDREQ
16MHz
M_RA[0-10],
    [12-13]
M_LRD[0-15]M_HRD[0-15]
MAIN
64Mbit
FLASH
X2
MAIN CPU
SH7709S
To DJACK CN1
SH-3
64Mbit
SDRAM
X2 MAIN
32MbitFLASHD ATA
64Mbit
SDRAM
X2 LCD
LCD
64MbitFLASH
or
MASK
PRG
SUB CPU
SH7709S
SH-3
LCD
128MbitMASK
D ATA
STYLE
64Mbit
LCDC
SED1356EP
16Mbit
DRAM
(EDO)
TG
SWP50
(SLAVE)
TG
SWP50
(MASTER)
64Mbit
SDRAM
64Mbit
SDRAM
128Mbit WAVE-H
X3
CONTROLLER
M66291USB
DSCS
FDC
HD63266
PROGCS(CS0)
128MbitWAVE-L
X3
HMA[0-26]
HMD[0-15]HMA[0-26]
HMD[0-15]
LMA[0-26]
LMD[0-15]LMA[0-26]
LMD[0-15]
S_RA[0-10],
[12-13]
S_LRD[0-15]S_HRD[0-15]
A[0-25]
D[0-31]
A[2-23]D[0-15]
A[2-23]
D[16-31]CKIO
RESET
A[2-23]
D[0-15]
A[2-23]
D[16-31]
A[1-22]
D[0-15]
A[1-21]
D[0-15]
SA[2-23]
A[0-25]
D[0-31]
A[0-1]
5D[0-7]A[1-6]
D[0-15] A[1-16]
D[0-15]
A[1-16]
D[0-15]
SD[0-15]
SA[2-23]
SD[16-31]SA[1-22]
SD[0-15]
SA[1-23]
SD[0-15]
SA[0-21]
SD[0-15]
MA[0-9]
MD[0-15](6,15:PullUp)
SA[0-25]
SD[0-31]
+3.3D
+3.3D
+3.3D
+3.3D
+3.3D
+3.3D
+3.3D_SUB
+3.3D_SWP
+5D
SD[0-15]
MI2
(as FIFO)
+5D
D[0-15] 5D[0-15]5SD[0-15]
A1
MWR
MCSMRDMI2CS5SUBIC
5MIRQIRQMI25SIRQSIRQ
DIRECTION
SUBIC
RD/WR
A[1]
RD
SIRQ
LEVEL
CONV.LEVEL
CONV.
LEVEL
CONV.
16MHz
10MHz
6MHz
11.2896MHz
LEVEL
CONV.
SPROGCS (CS0)SRD/SWRLCDCCS  (CS2)
SSDRAMCS(CS3)SMI2CS  (CS4)SDATACS (CS5)
SPROGCS
(CS0)
SSDRAMCS
(CS3)
LCDCCS(CS2)
SMI2CS
 (CS4)
SDATACS
  (CS5)
SRD/SWR
DIR
CKE
RESET
14.3181MHz
17.734475MHz
SRD
SWE
SRDSWE
+VCC_INT2
+VCC_INT1
OE
SMICS2
MLCAS,MUCAS,MWE,MRAS
SRDSWEBSSRD/SWRLCDIC
LCDIC
CKIO(s)
CKIO(S)
LCDWAIT
SCAS,SRASMLU,MUU, MUL
SCKE
BS
MLU
LCDWAIT
SUBIC
WP2
DISPON,
CP,LOAD
FRM,
FPD[0-7]VOUT
SUBIC
SRDSWEWP2(flash)
SRDSWEWP2(flash)
MLU,MUUSRD/SWRSWE,MULSCASSRAS
PROGCS  (CS0)SDRAMCS (CS3)DSCS    (CS4)8-CS    (CS5)16-CS   (CS6)RD/WRRDWE0/DQMLLWE1/DQMLU
DIC
DATACS
16-CS
USBCSMI2CSHDCS0STYLECS
A25
DEC.
DEC.
A17A20A21A
B
CSWP1CS
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
WAVECSSWP2CSHDCS1HDDMA
STYLECS
SDRAMCS
 (CS3)
DATACS
USBCS
(ctrl*)
(ctrl*) CKE CKIO DQMLU,
DQMUU
RAS3LRD/WRWE0/DQMLL
,DQMUL
DQMUL,DQMUUCAS
CAS
RAS3L
WE1/DQMLURD
PROGWP
PROGWP
STYLEWP
WE1/DQMLU(flash)RDSTYLEWP(flash)
WE1/DQMLURD
WE1/DQMLURD
IRQUSB
IRQ3
IRQSWP
IRQ2IRQ1
IRQIFIRQFD
IRQ0IRQ4
IRQUSBD+,D-,Vbus,TrON
SUBIC
WE1/DQMLU
CKIOHD/FD
HD/FD
MDACK
MDACK
DRAK
DRAK
HARD DISK
IDE
(Option)A[2-4]
D[0-15] RDWE1/DQMLU
DIC,SWPIC
5DIC
HDCS0
LEVEL
CONV.BUFFERHRDHWRLHDA[2-4]
HDD[0-15]
GG
OR
HDCS1HDDMA
TIMING
Gene.
HDCS0HDCS1
HDACK
FDACKFDREQ
MDREQ
MDREQ
IRQHD
IRQHD
34
WE1/DQMLURD8-CS(CS5)
IRQFD
5DIC
5to
3.3
3.3
to5
SWP1CS
SWP2CS
WE1/DQMLURD
WE1/DQMLURD
IRQMI2
IRQ5
WAVECS
SWPIC
SWPIC
ABUS[0-15],ADIR,ACLK,AFRM
64FS
256FS
SYO,FS2560
ESDA,ESCL,EIC (*EBUS )
IRQIF
WAIT
ADLR
WCLK0
WCLK1
ADC_DATA DAC_DATA0
DAC_DATA1
+5A
+3.3ADACAK4393ADCPCM1800DACPCM1730+5A
+3.3A
+5A
DACIC
WAIT(M)IRQSWP(M)
WAIT(S)IRQSWP(S)
WAIT(M)IRQSWP(M)WAIT(S)IRQSWP(S)
OR
WAITIRQSWP
DACIC64FS 256FS
ADLR
WCLK0ADC_DATA
DAC_DATA0DAC_DATA1 WCLK1
DACIC64FS 256FSDACIC64FS 256FS
MUTE
MUTE
MUTE
*HCS[0,1]
 ,MOEN,MWEN
*HCS[0,1],
 MOEN,MWEN
*LCS[0,1]
 ,MOEN,MWEN
*LCS[0,1],
MOEN,MWEN
LPFI/V Conv.LPF
BUFFER
MUTE
LCD DISPLAY
COLOR VGA
(with CCFL Backlight)
FOOT
CONTROLLER1
(SUSTAIN)
FOOT
CONTROLLER2
FOOT
CONTROLLER3
MIDI A
IN
MIDI A
OUT
MIDI B
IN
MIDI B
OUT
USB
VIDEO
OUT
LINE OUT
MAINOUT
(L/L+R)
LINE OUT
MAINOUT
(R)
LINE OUT
SUB1OUT
LINE OUT
SUB2OUT
LOOP SEND
(R) AUX IN/LOOP RETURN
(L/L+R)
AUX IN/LOOP RETURN
(R) MIC/LINE IN
LOOP SEND
(L/L+R)
MUTING
CIR.RELAY
MIXER
AMP
HEADPHONE
AMP ANALOG
SWITCH
TR7, 8MUTING
CIR.
TRIM AMPTRIM AMP
TRIM
VOL.
INSERT SW
TRIM
VOL.
VCA
TR10,11MUTING
CIR.
MIDI
CIR.MIDI
CIR.
MIDI A  OUT
MIDI B OUTVOUTD+
D-
Vbus
TrON
FOOT VOL1PEDAL IN1FOOT VOL2PEDAL IN2FOOT VOL3PEDAL IN3
SW. POWER
SUPPLY UNITPOWER
SW.
+5D
+12A
-12A
-22V (NC) +5D
REG.
+12A
-12A
+5A
+3.3A
REG.
REG.REG.
REG.
+3.3D_SUB +3.3D
(+2.0V)
+3.3D_SUB5
FLOPPY DISK
DRIVE
16N KEYBOARD 
with Pressure Control sensor
To EMKS-N -CN1
EBUS
HEAD
AMP
EBUS
LCD DATA
+5D,+3.3D
+5L
WHEEL
ASSEMBLY
EBUS
CPUuPD78F0034      AYGK
EBUS
CPUuPD78F0034      AYGK
FPGA
LatchDRIVER
DRIVER
FPGA
LatchDRIVER
SW,LED
SW,LED
SW,LED
FOOTVOL1
PEDALIN1FOOTVOL2
PEDALIN2FOOTVOL3
PEDALIN3MIDIAIN
MIDIAOUT
MIDIBOUT MIDIBIN
SUB1IN
SUB2IN SUB1IN
SUB2IN
MUTE
MUTE
MUTEMUTE
MUTE
WOOFER L
WOOFER RTo
EXTERNAL
SPEAKER UNIT
TR5,6MUTING
CIR.
TRIM AMP
MUTE
FDACKFDREQHDACK
SELECTOR
HDACK5DIC
REG.
(+1.8V)
+3.3D
(192MHz/64MHz)
(120MHz/40MHz)
SA[1]SA0
HPINSPOFF
HPIN
SPOFFINSERT SW
OR
(MUTE)
+5D
+12M
-12M (MIC Cir.) AN1
AN2
AN0
PTG[3]
PTG[4]
PTG[0]
PTF[1]
PTF[2]
RXD1
TXD1
RXD2
TXD2SPOFF
HPIN
REG.
+3.3D_SWP
+VCC_INT1
+VCC_INT2
5to
3.35to
3.3
MIDI A  IN
MIDI B IN
5DIC
DIC
+3.3D_SUB+3.3D_SUB+3.3D_SUB
+3.3D_SUB+3.3D_SUB
+3.3D_SWP
+3.3D_SWP
+3.3D_SWP+3.3D_SWP+3.3D_SWP
3.3
to5
GDIR
MI2CS
8-CS
OR
HDREQ
HDREQ
+5D for CCFL-INV
+5D for PANEL 
IC63
21,35,47,59,
71,85,97,111,
134,163,183,
205
8
123
1933,29,81,134,
145,150,154,
175155 156 96
98
99
100
101
93
88
89
106,108
90,91,92
94
87
158
13-16,17,18,20,
22-26,28,30-32,
34-44,46,48-52
53-56,58,60-68,
70,72-78,80,82,
84,85
IC65
IC66
1,37,382427
15 55
2-2328-35,
39-461,3,9,14,
27,43,49
IC69,7019
16
151718
39
38
3722-26,
29-362,4,5,7,8,
10,11,13,
42,44,45,
47,48,50,
51,53
IC68
1,37,38
24
27
55
15
2-23,36 28-35,39-46
IC78
1,6,22
18-21,24-29
2-5,7-10,35-38,
40-43
14,15,31,3212,55,72,97,109
4
7
8
9
6
105971
11
13
56,58,60-67
34-49
51-541-3,5,
111-128 16-3159,73,74,
77,79-86
103
15
IC73
IC74
1
19
11-182-9
IC72
IC71
2,33,73
34
35
36
37
41-51,53-57
3917-20,
22-32,
34 11 9 8 7 6 10 38
IC75,76
2-9
1 19
11-185687 9
IC77
18 17
23
IC80
3 1
2
IC9
21,35,47,59,
71,85,97,111,
163,183,
155 156
3,5,29,81,
134,145,150,
154,175
8
9
10
11
12
176133
123
19111 5
11 6
159
103
11 7
157
158
96
99
100
101
102
93
88
89
90
91,92
108
106
105 193
190
189 11 4
129,130,135,141,142,166,
168,172,174,199-201,53-56,
58-70,
73-78,
80,82,
84,86
13-20,22-26,
28,30-32,34,
36-45,49-52
(flash)
(flash)
IC16,17
37
28
11
14
1-8,26-25,48
29-36,
38-45
IC19,20
1,3,9,14,
27,43,49
19
16
15
17
18
39
38
37
22-26,
29-352,4,5,7,8,10,11,
13,42,44,45,47,
48,50,51,53
IC23
IC24
1,37,38
27
55
15
24
2-2328-35,
39-46
IC32
37,47
28
11
26
1-8,10,
16-25,4829-36,
38-45
IC7
1,12,16,35
45
43
41
4613 14
42
3-6
17-2223-34,
37-40
IC181,4
2,53
6IC104
3 2 115
14
13
12
11
10
9
7
IC1
1,3,9,15,29,35,41,
43,49,55,75,81
22-27,60-66
(*A)
2,4,5,7,8,10,11,
13,74,76,77,79,
80,82,83,85 (*A)
(*B)
(*B)
31,33,34,36,37,39,
40,42,45,47,48,50,
51,53,54,56B10
A10
D18
B19
AF1
AB7
AC6
AF7
AE7
A86
IC62,86,90
IC61,85,891,37,38
2-23,36
24,27-35,
39-46
1,37,38
2-23,36
24,27-35,
39-462-23,36
24,27-35,
39-46
2-23,36
24,27-35,
39-46
IC42
IC43
1,3,9,15,29,
35,41,43,49,
55,75,81
22-27,60-66
IC25-29
65
2-4 2-9
14 1516-18 11-18 19
IC301 2 13
12
19
IC33
IC33
5625,44-46
20
7
6
4
5
3
IC2
4
139 40 8,9 12-19
IC8
3 2
IC64
23
IC1 IC2JK1 IC1 IC2 IC1 IC2
JK2
JK3
JK5
JK4
JK6 CN3
IC31
1
1 3
3
3
IC481
15
7
6
4
5 23,24,28
9
IC44,47,49
16,17,
25,26
IC57
IC54
1 3
5
4
IC466
16
14
13
1523
1,5
IC53,56,58
IC45
4
8
3
5
7
6 18
9
20-23
IC503,51,7
IC22,6
1,7
2,6
IC4 IC39
A11
C12
AE5B11
C11
C14
B13 A12 B15AD5,AE4,AF4
A15,B14,E18
(*C)
(*C)
J1,K1-K3,L1-L3,
M1-M3,N1-N3(*D)
(*D)
B1,C1,C2,D1-D3,
E1-E3,F1-F4,G1-G3(*E)
(*E)
P4,R2,R3,T1-T5,U1-U3,
V1-V3,W1,W2(*H)
(*H)
A20-A26,B20-B26,C19-C26,
D20,D22,E20,E23,G22 (*I)
(*I)
D26,E24,N25,N26,AD17-AD21,
AE17-AE22,AF18-AF20,AF22 (*J)
(*J)
E25,E26,F24-F26,G23-G26,
H24-H26,J22-J26,K24-K26,
L22-L26,N22,N23 (*K)
(*K)
M26,N24-N26,P24-P26,R24-R26,
T24-T26,U24-U26,V24-V26,W26
IC40
A10,A14,B15
(*F) (*G)
(*F)
A6-A9,B6-B9,C7-C10,D9,
D11,E9,E11(*G)
A1-A5,B2-B5,C3-C6,D5,
D6,E6
A11
C12
B10
B11
C11
C14
(*H)
(*I)
(*J)
(*K)
A15,C17
(*L)
(*L)
AA1-AA3,AB1-AB3,AC1-AC3,
AD1,AD2,AE1,Y2-Y5,V4,V5,W3(*L)(*D) (*C)
(*E)(*A)
(*B)
11-14
3,5
IC6
1,7 2,6
IC3JK2JK4
JK3
1,7 2,6
VR2
IC5
1,7
2,6
VR1 IC1
2,3 1
IC7 FT1,2
4
3
OR
CN2-21P
CN9-24P
CN2-9P
CN1-2P
CN3-2P
CN2-2P
CN1-12P
CN1-21P
CN3-9P
CN4-12P
CN5-9P
CN7-2P
CN3-21P
CN1-12P
CN21-4P
CN2-7P
CN1-7P
CN1-4P
CN8-7P
CN4-6PCN1-2PCN5-3P
CN13-2P
CN20-4P
CN4-30PCN1-30P
CN2-4P
CN7-2P
CN5-4PCN6-4P
CN14-30P
CN2-30P
CN2-20P
CN5-2P
CN4-14PCN6-14PCN7-14P
CN7-4P
CN3-12P
To DM CN8To AJACK  CN5
To MICVRSUB CN6   
DM
REG
PHONES
INLET
PNC
EN
MICVR
DJACK
AJACK
EMKS-N
PC
61L
61H
SPOUTLSPOUTR
MICVRSUB
LCL
LCR
PNR
PNL
A
B
C
D
EDIRECT
ACCESS
BACK NEXTF
G
H
I
JEXIT
Inverter
SW. POWERCN6-3P
MASTER VOLUME
INPUT VOLUME
to AJACK-G4
Pitch Bend
ModulationTA1, TA2EC1
DATA ENTRY
CN5-2PCN2-2PCN4-4PCN1-21P
To DM CN2
CPU
IC1-64P
IC1
CN2-3P
CN1-7P
CN3-5P
CN2-5P
CN5-3P
Keyboard SW Matrix
Keyboard SW Matrix
CN2-12P
CN3-12P
CN4-12P
CN6-7P
CN1-12P
CN5-7PF1
TR15, 16
TR13, 14
MUTING
CIR.
CN5-14PCN3-4P CN2-2P
CN5-44P
CN3-34P
CN1-9P
CN6-2P CN8-6P CN7-3PCN4-24P
CN5-14P
FLASH
or
MASK
SPOUTL
SPOUTR
IC37
IC30(1/3), IC34, IC35, IC33(1/6), IC36
After conversion
signal name
After conversion
signal name
Main CPU
signal name
CN1-3P
(C1-B3) (C4-C6)
∗∗ 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
TyrosTyros Tyros

 Tyros OVERALL CIRCUIT DIAGRAM 2/10 (DM 1/4)
Install
Install
Install
Install Install Install
Not install
Not install Not install
Not install
Not installNot install
Install
Install
Install
Install
InstallNot installNot install Not install Not install
Not install Not install
Not install
Not installNot install Not install
Not install Not install Not install Not installNot install
Not install
Not installNot install
Not install
Not install
Not install
Not install Not install
Not install
Not install
28CC1-8824211 (1/4)
DM
CPU REGULATOR +3.3V
AND
AND
AND FDC
USB
CONTROLLERDECODER
FLASH ROM 64M
(PROGRAM L)
MASK ROM 64M
(STYLE) FLASH ROM 64M
(STYLE)
FLASH ROM 32M FLASH ROM 64M
(PROGRAM H) INVERTERORD-FLIP FLOP
DELAY STEP
ANDOR INVERTER BUFFER
BUFFER
BUFFER
BUFFER
BUFFER DRAM 64M DRAM 64M INVERTER
to REG-CN2 to DJACK-CN1 to DJACK-CN5 to DJACK-CN4
to FDD Unit
to HARD DISK Unit
(Option)

























 
   
 
 

 


     


  
 


   

 



 
 

 

 
 
  



TO PAGE 5Install
Install
Install
Install Install Install
Not install
Not install Not install
Not install
Not installNot install
Install
Install
Install
Install Install Install
Not install
Not install Not install
Not install
Not installNot install
Not Installed
Not Installed
Not Installed
Either IC23 or IC24
is installed.
Note: See parts list for details of citcuit baord component parts.

Notation for Circuit Diagrams
1. How to identify inter-sheet connectors.
Signal nameThe 2-digit number indicates the distination page.
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.) 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
TyrosTyros Tyros

 Tyros OVERALL CIRCUIT DIAGRAM 3/10 (DM 2/4)
 
















28CC1-8824211 (2/4)  2
DM
to AJACK-CN4to EMKS-N -CN1
SWP50
SWP50SDRAM 64M
SDRAM 64M REGULATOR +3.3V
SWP50 SWP50
OP AMP OP AMP
OP AMP
OP AMP D/A CONVERTER
D/A CONVERTER A/D CONVERTER
REGULATOR +3.3V REGULATOR +5V




 

Note: See parts list for details of citcuit baord component parts.

Notation for Circuit Diagrams
1. How to identify inter-sheet connectors.
Signal nameThe 2-digit number indicates the distination page.
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.) 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
Tyros Tyros Tyros

 Tyros OVERALL CIRCUIT DIAGRAM 4/10 (DM 3/4)
28CC1-8824211 (3/4)
DM
Not Connected
Not Connected
SWP50
(MASTER) SWP50
(SLAVE) MASK ROM 128M
(WAVE L1)
MASK ROM 128M(WAVE H1)
Not Installed
Not Installed Not Installed
Not Installed Not Installed
Not Installed
MASK ROM 128M
(WAVE L2)
MASK ROM 128M(WAVE H2) MASK ROM 128M
(WAVE L3)
MASK ROM 128M(WAVE H3)
Note: See parts list for details of citcuit baord component parts.
µPC2905T-E1 (XV492A00)
REGULATOR +5V
1: INPUT
2: COMMON
3: OUTPUT
1 2
3
LMS8117AMP-ADJ
  (X0609A00)
REGULATOR1: ADJ/GND
2: OUTPUT
3: INPUT
1
2
3 TAB IS
VOUT
TAR5S33
 (XZ642A00)
REGULATOR +3.3V CONT
GND
NOISE VIN
VOUT
µ
PC2933HF  (XW196A00)
REGULATOR +3.3V 
1 2
3 3: OUTPUT 2: COMMON 1: INPUT
1SS355 (VT332900)
DIODE
1: ANODE
2: CATHODE
2 1
UDZ-2.4B
 (V9312600)
ZENER DIODE
1: ANODE
2: CATHODE
2 1
DM: IC57
DM: IC8, IC41, IC64 DM: IC54DM: IC1, IC2

Notation for Circuit Diagrams
1. How to identify inter-sheet connectors.
Signal nameThe 2-digit number indicates the distination page.
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.) 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
TyrosTyros Tyros

 Tyros OVERALL CIRCUIT DIAGRAM 5/10 (DM 4/4)
to Page 2
28CC1-8824211 (4/4)  1
DM
to PNR-CN2 to DJACK-CN2 to PNR-CN7
CPU
REGULATOR +3.3V
MASK ROM 64M MASK ROM 128MMPU INTERFACETRANCEIVER
AND DRAM 16M DRAM 64M
DRAM 64MLCD CONTROLLER
INVERTER





















 
 





 








 

  







 



 













 


  
 
 

  
   
 
 



 
  

 
 
 
  
Not Installed
Either IC65 or IC66
is installed.
FLASH ROM 64M
Note: See parts list for details of citcuit baord component parts.

Notation for Circuit Diagrams
1. How to identify inter-sheet connectors.
Signal nameThe 2-digit number indicates the distination page.
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.) 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
TyrosTyros Tyros

 Tyros OVERALL CIRCUIT DIAGRAM 6/10 (PNL)
1 3
2
1 3
2
PITCH BEND MODULATION10K 10K
28CC1-8824213 1
PNL
to LCL-CN4
CPLD
CPU
No Connected to PNR-CN1 to AJACK-G4
Note: See parts list for details of citcuit baord component parts.
1SS355 (
VT332900)
DIODE
1: ANODE
2: CATHODE
21 
						

							A
B
C
D
E
F
G
H
I
J
K
L
1
2345678
AB
C
D
E
F
G
H
I
J
K
L
12345678
  
TyrosTyros Tyros

 Tyros OVERALL CIRCUIT DIAGRAM 7/10 (PNR, EN)
28CC1-8824212 1
PNR
EN
to PNC-CN1
28CC1-8824212 1
No Connected to PNL-CN1 to DM-CN14 to DM-CN20
to LCL-CN1DATA ENTRY
CPLD
CPU
Note: See parts list for details of citcuit baord component parts.
1SS355 (
VT332900)
DIODE
1: ANODE
2: CATHODE
21