Yamaha DG80-112 Service Manual page 13

NE5532P(IG102500)
NJM072D(IG107000)
Dual Operational Amplifier Dual Operational Amplifier
DM : IC 104, 105, 124, 125 ANF : IC 501 ANF2 : IC 701
ANR : IC 401 – 403
+DC Voltage
Output A 1 +V 8
A
Supply
-
Inverting
2 7 Output B
Input A - +
Inverting 1 2 3
Non-Inverting
3 6
+ - Input B
Input A
+V -IN
Non-Inverting
-DC Voltage Supply 4 -V 5 OUT +IN
Input B
A A
MB3790PF(XR967A00)
ASSP
DM : IC 19
R 0.5
CN
V 14
IN
V 13 100
IN
16
CONTROL SBD
590k
Reference
2.65V
Voltage
1.24V Power Supply
500
Circuit
+
3µA
S Q
-
V 12 2.37V
SENSE
R
240k
V th:3V
V th:1.5V
GND 8
11 5 2
LB1641(XF494A00)
Motor Driver
VR : IC 601 – 608
P1 OUT1 Vcc2 OUT2 P2 Vcc1
3 2 8 10 9 7
4
Vz
5 6
IN 1 IN 2
I N P U T L O G I C
1
GND
B
-
4 5 6 7 8 9
-V -IN +V
+IN OUT
A B B B
3 V OUT
4 V OUT
V
IN
+
6 ALARM1
-
V
IN
+
7 ALARM2 N.C. 1 16 CONTROL
-
15
V 2 N.C.
BAT1
V
OUT
V 3 14 V
OUT IN
9 RESET 13 V
V OUT 4 IN
V BAT2 5 12 V
SENSE
V
OUT 11
ALARM1 6 C
T
10 RESET 7 10 RESET
ALARM1
GND 8 9 RESET
DG80-112
13