Yamaha DTXTREME III Service Manual page 26

DTXTREME Ⅲ
HD74LVC139FPEL (XS048A00)
DM: IC23
Dual 2 to 4 Demultiplexer
1
1G
G
2 G
1A
A
A
3
1B
B
4 B
1Y0
Y0
5 Y0
1Y1
Y1
6 Y1
1Y2
Y2
Y2
1Y3 7
Y3
Y3
8
GND
DS90LV011ATMF/NOPB (X6788A00)
DMSUB: IC122
3V LVDS Single High Speed Differential Driver
V
DD 1
D
GND 2
OUT − 3
NJM2068MD-T2 (X3505A00)
PN: IC703, 708, 709, 714, 715
NJM4556AD (XQ824A00)
PN: IC701
Dual Operational Amplifier
Output A
1 +V
Inverting
2
Input A
- +
Non-Inverting
3
+ -
Input A
-DC Voltage Supply
4 -V
26
SN74LV245APWR (X3693A00)
DMSUB: IC121
SN74LVC245APWR (XZ287A00)
DM: IC6, 10‒12, 16, 19, 20
TC74VHCT245AFT (XT744B00)
PN: IC711
Octal 3-State Bus Transceiver
16 Vcc
15
2G
D1R
14
2A
13 2B
12
2Y0
11
2Y1
10 2Y2
9 2Y3
GND
DS90LV012ATMF/NOPB (X6789A00)
PN: IC713
3V LVDS Single CMOS Differential Line Receiver
V
DD
5 TTL IN
GND
IN +
4
OUT +
NE5532DR (X5482A00)
PN: IC704
NJM2903M(TE1) (X5814A00)
NJM2904M (XV190A00)
JK: IC301­306, 321­324, 329­333, 335­337
Dual Operational Amplifier
+DC Voltage
8
Supply
Output B
7
Output A
Inverting
Inverting
6
Input B
Input A
Non-Inverting
Non-Inverting
5
Input B
Input A
Ground
JK: IC349, 350, 352­354
1 20 V
CC
A1 2 19 G
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
A6 B5
7 14
A7 8 B6
13
A8 9 B7
12
10 11 B8
1 5 TTL OUT
R
2
3 4
IN −
+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 5
Input B
SN74LV4052APWR (X6976A00)
JK: IC338, 339
Differential 4-Channel
Multiplexer/Demultiplexer
1
0Y 16 VDD
2Y
2
2Y 2X 15 2X
Y-COM 3 Y-COM 1X
14 1X
3Y
4 3Y X-COM 13 X-COM
1Y
5 1Y 0X 12
0X
INH 6
INH 3X 11
3X
VEE
7 A
10 A
VSS 8 B
9
AM26LS31CNSR (XU996A00)
DMSUB: IC113
Quad Line Driver
1A 1 Vcc
16
1Y
2 15
4A
1Z 3 4Y
14
ENABLE G 4
13 4Z
2Z 5
12
ENABLE G
2Y 6
11
3Z
2A 7
10 3Y
3A
GND 8
9
INPUT ENABLES OUTPUTS
A G G Y Z
H H X H L
L H X L H
H X L H L
L X L L H
X L H Z Z
NJM2114M(TE1) (XS537B00)
DMSUB: IC105-107 PN: IC710
Dual Operational Amplifier
V +
A Output
1 +V 8
A -Input B Output
2 7
- +
A +Input B -Input
3 6
+ -
V -
B +Input
4 5
H= high level
L= low level
X= irrelevant
Z= high impedance (off)