Ic Block Diagram （Icブロック図 - Yamaha MG24/14FX Service Manual

MG24/14FX
MG32/14FX
IC BLOCK DIAGRAM
74HCU04DT (XZ110A00)
DSP: IC104
Hex Inverter
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
Vss 7
NJM2068MD-T1 (XJ553A00)
DSP: IC105-107, 305-307
IN: IC101-103, 105, 201, 203, 205, 301-303,
305, 401, 403, 405, 501-503, 505, 601, 603,
605, 701-703, 705, 801, 803, 805
MAS 1/4: IC101-104, 106, 107, 201-204, 206,
207, 301-304, 306, 307, 401-404,
406, 407,501-504, 601-604, 609,
701-704, 707, 801, 802, 806, 807,
901-906
NJM4558M (T1) (IG103520)
IN: IC104, 304, 504, 704
MAS 1/4: IC105, 305, 907
NJM4556AL (XP844A00)
MAS 1/4: IC908
Dual Operational Amplifier
Output A
1
Inverting
2
Input A
- +
Non-Inverting
3
+
Input A
-DC Voltage Supply
4 -V
50
（IC ブロック図）
74HC08DT
DSP: IC111
Quad 2 Input AND
1A
14 VDD
1B
13
6A
1Y
12
6Y
2A
11
5A
2B
10
5Y
2Y
9
4A
VSS
8
4Y
OUT2
IN2
OUT1
IN1
+DC Voltage
+V 8
Supply
Output B
7
Inverting
6
-
Input B
Non-Inverting
5
Input B
VCC
(XZ108A00)
VDD
1 14
4B
2 13
4A
3 12
4Y
4 11
3B
5 10
3A
6 9
3Y
7 8
LB1412M (XT547A00)
MAS 1/4: IC909-912
LED Driver
VZ RESET OSC ILED
13 12 14 15
OSC
-
CURENT
+
11 DRIVER
-
+
-
+ -
+
10
-
+
9
-
CURENT
+
DRIVER
-
+
8
-
+
-
+
R
-
S Q
+
R Q
-
S Q
+
R Q
16 -
S Q
+
R Q
-
S Q
+
R Q
-
S Q
+
7
GND
NJM4580ED (XT157A00)
MAS 1/4: IC605-608, 705, 706, 803-805, 808
Dual Operational Amplifier
+DC Voltage
Output A
1 +V 8
Supply
Inverting
Output B
2 7
Input A
- +
Inverting
Non-Inverting
3 6
+ -
Input B
Input A
Non-Inverting
Ground
4 -V 5
Input B
NC 1 24
D1
17
D8 2 23
18 D2
D9 3 22
19 D3
D10 4 21
D4
20
D11 5 20
D12 6
19
D5
21
GND 7
18
D6
22
IN1 8 17
23
D7
OUT1 9 16
D8
2
IN2 10 15
D9
3
OUT2 11 14
D10
4
RESET 12 13
D11
5
D12
6
NC
D7
D6
D5
D4
D3
D2
D1
V
CC
I
LED
OSC
V
Z