Y7
VCC
GND
GND
VCC
Y6
Y5
Y4
Y3
Y2
Y1
Y0
B7
245
B6
B5
B4
B3
B2
B1
B0
A6
A7
OE1
OE2
DIR
A5
A4
A3
A2
A1
A0
A6
A7
A5
A4
A3
A2
A1
A0
9
8
7
6
5
4
3
2
11
12
13
14
15
16
17
18
1
19
20
10
9
8
7
6
5
4
3
2
11
12
13
14
15
16
17
18
1
19
20
10
OE
GND
DRIVER
DRIVER
RECEIVER
RECEIVER
VCC
8
5
3
16
10
9
12
15
4
11
14
13
7
6
2
1
GND
VCC
1 2 3 4 5
TC7SU04FT85L
(INVERTER)
IC105
GND
VCC
1 2 3 4 5
T7SET04FT85L
(INVERTER)
M5M34051FPE2
(BUS TRANSCEIVER)
IC108
TC74LCX245F
(BUS TRANSCEIVER)
IC110
T74VHCT541AF
(BUS DRIVER)
1
2
3
4
5
6
MAC
PC1
PC2
MIDI
MSEL
TXD-
7
8
9
10
TXD+
E
RXD+
RXD-
CN103
+3.3D
+3.3D
+24V
+3.3D
C118 0.1
Z109
4.7Kx4
Z107
R119
R123
330
470K
R125
1.5K
R127
100
D106
MA111TX
R120
330
R121
330
4.7Kx4
Z106
220x4
D105
MA111TX
C123
50V1
R126
120K
R122
330
+5D
C125
0.1
C120
50V1
R124
1.5K
Q105
2SD601AQ
Q104
2SD601AQ
GND
VCC
1 2 3 4 5
TC7SH08FU
(2 INPUT AND GATE)
IC107
X
W
V
U
T
S
R
Q
A
B
C
D
E
G
H
F
D104
+5D
+5D
+5D
R117
4.7K
C121 0.1
R118
4.7K
D103
D102
D101
MA152WK
MA152WK
MA152WK
MA152WK
Z105
47x4
ZC104
47P
ZC105
100P
L101
QLBG005A
C119
0.01
R133
47K
E
F
G
H
I
C
A
B
D
SCHEMATIC DIAGRAM-7
TO JACK CIRCUIT
(CN3) ON SCHEMATIC
DIAGRAM 32
SX-PR1000
MAIN 2/4 SCHEMATIC DIAGRAM
Summary of Contents for SX-PR1000
Page 32: ...131 QMWG1047AA WHITE KEY G KEY 7 32 ...
Page 50: ...Q105 2SD601AQ TRANSISTOR 1 2SD0601AQ MAIN 50 ...
Page 53: ...R13 ERDS2FJ222 1 4W 2 2K 1 JACK2 53 ...
Page 59: ...59 ...
Page 62: ...62 ...
Page 63: ...63 ...
Page 64: ...64 ...
Page 65: ...19 PACKAGING 65 ...