Ic Block Diagram - Yamaha MG10/2 Service Manual

MG10/2

IC BLOCK DIAGRAM

NJM2068MD-T1 (XJ553A00)
MAIN: IC202, 302, 303, 402, 403, 501, 502,
601, 602, 701, 702, 802
NJM4558M (T1) (IG103520)
MAIN: IC103, 304, 404, 503, 603
Dual Operational Amplifier
Output A
1
Inverting
2
Input A - +
Non-Inverting
3
+
Input A
-DC Voltage Supply
4 -V
LB1412M (XT547A00)
MAIN: IC803, 805
LED Driver
VZ RESET
13 12
-
+
OUT2
11
-
+
-
+ -
+
IN2
10
-
+
OUT1
9
-
+
- +
IN1
8
-
+
-
+
-
+
-
+
VCC
16 -
+
-
+
-
+
7
GND
14
NJM4580ED (XT157A00)
MAIN: IC101, 201, 301, 401, 801, 804
Dual Operational Amplifier
+DC Voltage
Output A
+V 8
Supply
Inverting
Output B
7
Input A
Inverting
Non-Inverting
6
-
Input B
Input A
Non-Inverting
Ground
5
Input B
OSC ILED
14 15
OSC
CURENT
DRIVER
D1
17
D2
18
19 D3
D4
20
CURENT
DRIVER
D5
21
D6
22
23
D7
R
D8
S Q 2
OUT1
R
Q
D9
S Q 3
R Q
OUT2
D10
S Q 4
RESET
R Q
D11
5
S Q
R Q
D12
S Q 6
+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 -V 5
Input B
NC 1 NC
24
D8 2 23 D7
D9 3 22 D6
D10 4 D5
21
D11 5 20 D4
D12 6 19 D3
GND 7 18 D2
8 17
IN1
D1
9
16
V
CC
IN2 10
15 I
LED
11
14 OSC
12
13 V
Z
NJM4556AL (XP844A00)
MAIN: IC806
Dual Operational Amplifier
A B
- -
1 2 3 4 5 6 7
OUT -IN +IN -V +IN -IN OUT +V
A A A B B B
8