Ic Block Diagram （Ic ブロック図 - Yamaha MG10/2 Service Manual

MG10/2
I
IC BLOCK DIAGRAM （IC ブロック図）
NJM2068M-D (TE2) (X3505A00)
MAIN: IC202, 302, 303, 402, 403, 501, 502,
601, 602, 701, 702, 802
NJM4558M (TE1) (X5676A00)
MAIN: IC103, 304, 404, 503, 603
Dual Operational Amplifier
Output A
1 +V
Inverting
2
Input A - +
Non-Inverting
3
+ -
Input A
-DC Voltage Supply
4 -V
LB1412M (X5838A00)
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
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
NC
D2
18
D8
D9
19 D3
D10
D4
20
CURENT
DRIVER
D11
D5
21
D12
D6
GND
22
23
D7
IN1
R
D8
S Q 2
OUT1
R Q
D9
IN2
S Q 3
R Q
OUT2
D10
4
S Q
RESET
R
Q
D11
S Q 5
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
1 24 NC
2 23 D7
3 22 D6
4 D5
21
5 D4
20
6 19 D3
7 18 D2
8 17
D1
9 16
V
CC
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