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
OUT2
11
+ -
IN2
10
OUT1
9
- +
IN1
8
VCC
16
7
GND
14
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NJM4580ED (XT157A00)
MAIN: IC101, 201, 301, 401, 801, 804
Dual Operational Amplifier
+DC Voltage
+V 8
Supply
Output B
7
+
Inverting
Non-Inverting
6
+ -
Input B
Non-Inverting
5
Input B
OSC ILED
12 14 15
OSC
- CURENT
+
DRIVER
-
D1
17
+
-
D2
18
+
-
D3
19
+
D4
20
-
CURENT
+
DRIVER
-
D5
21
+
- D6
22
+
23
D7
R
-
D8
2
S Q
+
R Q
-
D9
S Q 3
+
R Q
-
D10
S Q 4
+
R Q
-
D11
S Q 5
+
R Q
-
D12
S Q 6
+
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+DC Voltage
Output A
1 +V 8
Supply
Inverting
Output B
2 7
Input A
- +
Inverting
3 6
+ -
Input B
Input A
Non-Inverting
Ground
4 -V 5
Input B
NC 1 24 NC
D8 2 23 D7
D9 3 22 D6
D10 4 D5
21
D11 5 20 D4
D12 6 D3
19
GND 7 18 D2
IN1 8 17
D1
OUT1 9 16
V
CC
IN2 10
15 I
LED
OUT2 11 14
OSC
RESET 12
13 V
Z
NJM4556AL (XP844A00)
MAIN: IC806
Dual Operational Amplifier
A B
- -
1 2 3 4 5 6 7 8
OUT -IN +IN -V +IN -IN OUT +V
A A A B B B