Yamaha Tyros 3 Service Manual

41 Tyros3
PIN
NO.I/OFUNCTION
NAMEPIN
NO.I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21P1
3D0D1D2D3D4D5D6/CNTR0
D7/CNTR1P50P51P52P53P20/SCKP21/SOUTP22/SINRESET
CNVSSXOUTXINVSS
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
–
O
I
–Port P1 serves as a 4-bit I/O port
Each pin of port D has an independent 1-bit 
wide I/O function
Each pin of port D has an independent 1-bit wide I/O function / CNTR0
Each pin of port D has an independent 1-bit wide I/O function /...

Tyros3
42
PIN
NO.I/O FUNCTION NAMEPIN
NO.I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14DV
SSDVDDMCLK
PDN
BICK
SDATA
LRCK
SMUTE/CSNDFS0/CAD0DEM0/CCLKDEM1/CDTI
DIF0
DIF1
DIF2-
-
I
I
I
I
I
I
I
I
I
I
I
IDigital ground
Digital power supply +3.3 V
Master clock input
Power-down mode
Audio serial data clock
Audio serial data input
L/R clock
Soft mute/Chip select
Sampling speed mode select/Chip address 0De-emphasis enable 0/Control data clock
De-emphasis enable 1/Control data input
Digital input format15
16...

43 Tyros3
PIN
NO.I/O FUNCTION NAMEPIN
NO.I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32P50/A8
P51/A9
P51/A10
P53/A11
P54/A12
P55/A13
P56/A14
P57/A15
Vss0
V
DD0
P30
P31
P32/SDA0P33/SCL0P34
P35
P36
P20/SI30
P21/SO30P22/SCK30P23/RxD0P24/TxD0P25/ASCK0VDD1
AVss
P17/ANI7
P16/ANI6
P15/ANI5
P14/ANI4
P13/ANI3
P12/ANI2
P11/ANI1
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
-
I
I
I
I
I
I
IPort 5 / Higher address...

Tyros3
44
 IC BLOCK DIAGRAM
SN74AHC14PWR (X3098A00)
SN74LV14APWR (X6688A0R)
TC74VHC14FT (XV890B0R)
DM: IC4, 5, 7, 510
Hex Inverter 
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
GND14
13
12
11
10
9
8
VDD
6A
6Y
5A
5Y
4A
4Y
SN74LV21APWR (X2377A0R)
TC74VHC21FT (X5542A00)
DM: IC20
Dual 4 Input AND
1
2
31A
NC
41C
51D
61Y
7GND1B
14
13
12Vcc
2C
11NC
102B
92A
82Y 2D
SN74LV32APWR (X5647A00)DM: IC6
SN74LVC32APWR (X5405A00)DM: IC212
Quad 2 Input OR
1
2
31A
1Y
42A
52B
62Y
7GND1B
14
13
12Vcc
4A
114Y
103B
93A
83Y 4B
SN74ACT74PWR...

45 Tyros3
1
2
3
41
2
3
4
8
7
6
5
8
7
6
5 CTALA
FLAGB
CTALBOUTA
VDD
GND
OUTB FLAGA
CTALA
FLAGB
CTALB FLAGAOUTA
VDD
GND
OUTB
Thermal
ShutdownOscillator Control
Logic Over
Current
Detector
Over
Current
DetectorCharge
Pump
Control
LogicCharge
Pump1
4CTRLA
CTRLBControl input
Error flag output
Switch output
Switch input Ground FLAGA
FLAGB
OUTB
OUTA
GND
VDD 2
3
5
8
6
7Pin Name Pin No. Pin Function
BD6517F-E2 (X7951A00)
DM: IC206
High Side Switch
1
2
3
4
5
6
7
8
9 1011 1213 14 15 16OUT1
IN1
VDD
NC
NC
IN2
OUT2...

Tyros3
46
TC7WT126FU(X7703A00)
DM: IC405
Dual Bus Buffer
1
2
3
48
7
6
5
G1
GNDA1
Y2Vcc
A2 G2
Y1
LA6517M-TRM-E-R(XT131A0R)
AJK: IC6
Dual Power Operational Amplifier
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Thermal Shut
Doun and
Current LimiterAmp1
Amp2
NC
NC
OUT 1
VCC
OUT 2
VEE
NC
NC
NC NC
INPUT -2 INPUT +2 INPUT +1 INPUT -1 NC NC
NJM2068M-D(TE2) (X3505A00)AJK: IC4, 5, 7, 8  DM: IC903, 904, 906
NJM2100V(X2538A00)EMKS-FD: IC002
NJM4580E(TE2)(X2331A0R)AJK: IC2
Dual Operational Amplifier
1
2
3
4-V8
7
6
5...

47
Tyros3
 CIRCUIT BOARDS
AJK Circuit Board (X6041D0) ............................................................................................. 48
CK Circuit Board (X6042C0) ............................................................................................... 58
DJK Circuit Board (X6042C0) ............................................................................................. 54
DM Circuit Board (X9371C0)...

48 Tyros3
 AJK Circuit Board
2NA-WM18510
B
B
A
A
to HP-CN100
to SPOR-CN302
to SPOL-CN303L
R
TO SUB WOOFER
LINE IN /  MIC
TRIM
MIN MAX
L/L+R/ MICL/L+R RRAUX OUT / 
LOOP SEND
(LEVEL FIXED) 

49 Tyros3
Component side2NA-WM18510  
Pattern sideScale: 90/100
A
A
to MICVR-CN301to SWITCHING
 POWER
 SUPPLY-CN3to DM-CN2to DM-CN900
TRIM
MIN MAX
L/L+R RAUX IN / LOOP RETURN
LINE OUT
MAIN
L/L+R R 1 2SUB
B
B 

50 Tyros3
 DM Circuit Board
2NA-WM15450
C
C
to AJK-CN7
to AJK-CN1to LCR-CN202
to PNR-CN4
N.C.