JVC MX-GC5 - Test Circuit

 Description of major ICs STK412-430 (IC201) : Dual low noise operational
1. Equivalent Block Diagram
2. Test Circuit
(*1)Metal Plate Cement Resistor 0.22ohm+-10%(5W)
SUB.GND
1
2 3 4
5
6
7
89
10
11 12
13
14
17
18 15
16
+VH
+VL
GND
-VL
-VH
GND
Ch1 OUT
GND
Ch1 IN
Ch2 IN
GZ
A
1
5
X
GZ
A
1
5
X
1.
5
kohm
/1
W
1.
5
kohm
/1
W
100u
F
/100V
100u
F
/50V
100u
F
/50V
100u
F
/100V
100u
F
/100V
100u
F
/100V
100ohm/1
W
100ohm/1
W
*1
*1
56kohm
56kohm
100p
F
100p
F
3p
F
3p
F
56
0
ohm
56
0
ohm
33kohm
100u
F
/
10
V
100u
F
/
10
V
56kohm 56kohm
47
0
p
F
470p
F
2.2u
F
/
50
V
2.2u
F
/
50
V
1kohm
1kohm
3uH
3uH
Ch2 OUT
4.7ohm
4.7ohm
4.7ohm/1
W
4.7ohm/1
W
0.1u
F
0.1u
F
TR41
TR51
R41
R51
D
4
D
5
D43
D4
D
5
D52
Com
p
arato
r
Com
p
arato
r
13
1
5
1
4
9
11
1
0
16
8
1
2
1
8
6
5
2
1
4
3
1
7
TR1
TR2
TR
3
TR
4
TR
5
TR
6
TR7
TR8
TR9
TR10
TR11TR12
TR1
3
TR1
4
TR1
5
TR1
6
TR17
TR18
TR19
TR20
D1
R1
R2
R
3
R
4
R
5
R
6
R7
R11
R12
R1
3
R1
4
R1
5
R1
6
R17
C1
C2 C11
C12
D2
D12
7
SUB
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