Tyros4 Overall Circuit Diagram 7/11 (Djack, Lcl, Lcr, Usb) - Yamaha TYROS4 Service Manual

Q P O
<Page 9>

Tyros4 OVERALL CIRCUIT DIAGRAM 7/11 (DJACK, LCL, LCR, USB)

1
DJACK
2
1 (SUSTAIN)
ASSIGNABLE 2 (ARTICULATION 1)
FOOT PEDAL
3
3 (VOLUME)
to DM001-CN3
<Page 3: A-11>
4
OUT
Photo Coupler
MIDI B
5
IN
OUT
Photo Coupler
MIDI A
IN
6
28CC1-2001067401 1
7
USB
8
to DM003-CN503
<Page 5: A-6>
9
28CC1-2001067327-2
10
11
12
Tyros4
Q P O
N M L K
to DM001-CN4
<Page 3: A-9>
USB TO DEVICE
to DM003-CN302
<Page 5: W-6 >
to CK-CN93
<Page 10: C-9 >
N M L K
J I H
LCL
to DM003-CN300
<Page 5: W-9>
LCR
28CC1-2001067398-2
J I H
G F E
LVDS SERIALIZER
/DE-SERIALIZER
INVERTER
28CC1-2001067398-1
Note : See parts list for details of circuit board component parts
G F E
D C B
Tyros4
to PNL-CN2
<Page 12: M-6>
SWITCH MATRIX (LCL)
DA[0] DA[1] DA[2]
SW151 SW152 SW153
SA[12]
A B C
SW154 SW155 SW156
SA[13]
D E DIRECT ACCESS
SWITCH MATRIX (LCR)
DB[0] DB[1] DB[2] DB[3]
SW251 SW252 SW253 SW254
SB[14]
TAB[ ] TAB[ ] F G
SW257
SW255 SW256 SW258
SB[15]
H I J EXIT
LCD
LCD Back Light
Not Inatalled
Tyros4
D C B
A
1
2
3
4
5
6
7
8
9
10
11
12
A