5 4 C1

47pF 50V 5% 0805

3 TP1
INPUT GAIN 2/R
2 1
TP2
R1 GAIN OUT 2/R
10K 1% 0805
+V2
-V1 C4
C3 -V1 47pF 50V 5% 0805
100nF 50V Z C2 C6
100nF 50V Z SW ITCH 2/R 100nF 50V Z

4
R2 R4

4
L1 C5 2 -
- 10K 1% 0805 20K 1% 0805
AX 470uH/90mA 47uF 50V CER 1 2 -
- U3A

D 3 + + U2A
NE5532D 3 + +
1
U1A
NE5532D
INPUT GAIN 2/R 16
7
4053
VCC GND
8 D

8
C8 R5 VEE

8
C7 R3 100nF 50V Z C9 20K 1% 0805 12 6 -
X0
2

1nF 50V 5% 100K 5% 0805 1 100nF 50V Z 14 7 GAIN OUT 2/R

X 13 5 + U1B
CN1 +V1 X1 NE5532D
INPUT 2/R 3 +V1 6
EN

A
11
C10 R6
L2 1nF 50V 5% 6 - 10K 1% 0805
1
4

AX 470uH/90mA 7 CONTROL
5 + U2B TP3
NE5532D MONO
C11
47uF 50V CER R7 C12
10K 1% 0805 47pF 50V 5% 0805 C13
R8 47pF 50V 5% 0805
100K 5% 0805
1

R9
CN2 -V1 10K 1% 0805
THRU 2/R 3 C14
100nF 50V Z U5B
-V1 4053
4

C15 2
- - 2 100nF 50V Z 15 Y0
2

1 R10 U3B Y 1
C Y1
C

4
U4A + + 3 20K 1% 0805 R11 4053

B
NE5532D 2 -
- 20K 1% 0805 2
1 15 Y0

10
8

C16 TP4 3 + U6A Y 1

100nF 50V Z INPUT GAIN 1/L R12
+
NE5532D Y1

B
20K 1% 0805

8
C17

10
+V1 100nF 50V Z
C18 U5C
47pF 50V 5% 0805 CONTROL 4053
+V1 5
- 6 4 Z0
7 R14 U3C Z 3
U4B + 5 10K 1% 0805 R13 4053 Z1

C
NE5532D 20K 1% 0805 5
-V1 C19 4 Z0

9
100nF 50V Z -V1 Z 3
C20 Z1

C
100nF 50V Z
4

R15 6 -

9
4
L3 C21 2 -
- 10K 1% 0805 7
AX 470uH/90mA 47uF 50V CER 1 2 -
- 5 + U6B
3 + + U7A 1 NE5532D TP10
NE5532D 3 + + U8A INPUT GAIN 1/L CONTROL
C23 NE5532D
8

100nF 50V Z
8

C22 R16 C24 TP5

2

1nF 50V 5% 100K 5% 0805 4 100nF 50V Z CONTROL GAIN OUT 1/L

B
CN3
INPUT 1/L 3
+V1
+V1
+V2
C25
B
47pF 50V 5% 0805
C26
C27 R17 100nF 50V Z
L4 1nF 50V 5% 6 - 10K 1% 0805 R20
1
4

AX 470uH/90mA 7 20K 1% 0805

5 + U7B U5A
NE5532D 4053
C28 16 8
47uF 50V CER R19 C29 7 VCC GND
10K 1% 0805 47pF 50V 5% 0805 R21 VEE
R18 SW ITCH 1/L 20K 1% 0805 12 6 -
100K 5% 0805 14 X0 7
X GAIN OUT 1/L
1

13 5 + U8B
X1 NE5532D
CN4 C30 -V1 6
EN

A
THRU 1/L 3 100nF 50V Z

11
4

- - 2 CONTROL
2

1
U9A + + 3
NE5532D
8

C31

A 100nF 50V Z
+V1 Biquad Tecnologia LTDA A
Av. João de Camargo, 73
Santa Rita do Sapucaí-MG
+55 35 3471 6399
- 6 www.biquad.com.br
7 Doc. Number 1398
U9B + 5 Title PCI 0016
NE5532D AUDIO DISTRIBUTOR 2x8 - V1
+V2 +V2
-V1 -V1
Size Description Eng.DANIEL MAZZER Ver
+V1 +V1
A3 INPUT CIRCUIT CARLOS ANDRE 01

Date: Tuesday, June 26, 2018 Sheet 1 of 3

 5 4 3 2 1
-V1 C32 -V1 C33
100nF 50V Z 100nF 50V Z

4
R22 C34 R24 C35
R23 2 -
- 100R 5% 0805 47uF 50V CER R25 2 -
- 100R 5% 0805 47uF 50V CER
10K 1% 0805 1 U10A 10K 1% 0805 1 U11A
3 + + NE5532D 3 + + NE5532D

C37 C39

8
C36 100nF 50V Z R26 C38 100nF 50V Z R27

2
47pF 50V 5% 0805 10K 5% 0805 47pF 50V 5% 0805 10K 5% 0805
OUT 2/R OUT 6/R
D +V1
C40
47pF 50V 5% 0805
3
CN5
+V1
C41
47pF 50V 5% 0805
3
CN6
D
R28 OUTPUT 2/R R30 OUTPUT 6/R
10K 1% 0805 R29 10K 1% 0805 R31
10K 1% 0805 10K 1% 0805

1
R32 C42 R33 C43
6 - 100R 5% 0805 47uF 50V CER 6 - 100R 5% 0805 47uF 50V CER
7 7
5 + U10B 5 + U11B
NE5532D NE5532D
R34 R35
10K 5% 0805 10K 5% 0805

-V1 C44 -V1 C45

100nF 50V Z 100nF 50V Z
4

4
R36 C46 R37 C47
R38 2 -
- 100R 5% 0805 47uF 50V CER R39 2 -
- 100R 5% 0805 47uF 50V CER
10K 1% 0805 1 U12A 10K 1% 0805 1 U13A
3 + + NE5532D 3 + + NE5532D

C49 C51
8

8
C48 100nF 50V Z R40 C50 100nF 50V Z R41

2
47pF 50V 5% 0805 10K 5% 0805 47pF 50V 5% 0805 10K 5% 0805
OUT 1/L OUT 5/L
+V1 +V1
C52 3 C53 3
47pF 50V 5% 0805 CN7 47pF 50V 5% 0805 CN8
R42 OUTPUT 1/L R44 OUTPUT 5/L
C 10K 1% 0805 R43
10K 1% 0805
10K 1% 0805 R45
10K 1% 0805
C

1
R46 C54 R47 C55
6 - 100R 5% 0805 47uF 50V CER 6 - 100R 5% 0805 47uF 50V CER
7 7
5 + U12B 5 + U13B
NE5532D NE5532D
R48 R49
10K 5% 0805 10K 5% 0805

-V1 C56 -V1 C57

100nF 50V Z 100nF 50V Z
4

4
R50 C58 R51 C59
R52 2 -
- 100R 5% 0805 47uF 50V CER R53 2 -
- 100R 5% 0805 47uF 50V CER
10K 1% 0805 1 U14A 10K 1% 0805 1 U15A
3 + + NE5532D 3 + + NE5532D

C61 C63
8

8
C60 100nF 50V Z R54 C62 100nF 50V Z R55
2

2
47pF 50V 5% 0805 10K 5% 0805 47pF 50V 5% 0805 10K 5% 0805
OUT 4/R OUT 8/R
+V1 +V1
C64 3 C65 3
47pF 50V 5% 0805 CN9 47pF 50V 5% 0805 CN10
R56 OUTPUT 4/R R58 OUTPUT 8/R
10K 1% 0805 R57 10K 1% 0805 R59
10K 1% 0805 10K 1% 0805
B B
4

1
R60 C66 R61 C67
6 - 100R 5% 0805 47uF 50V CER 6 - 100R 5% 0805 47uF 50V CER
7 7
5 + U14B 5 + U15B
NE5532D NE5532D
R62 R63
10K 5% 0805 10K 5% 0805

-V1 C68 -V1 C69

100nF 50V Z 100nF 50V Z
4

4
R65 C70 R66 C71
R64 2 -
- 100R 5% 0805 47uF 50V CER R67 2 -
- 100R 5% 0805 47uF 50V CER
10K 1% 0805 1 U16A 10K 1% 0805 1 U17A
3 + + NE5532D 3 + + NE5532D

C73 C75
8

C72 100nF 50V Z R68 C74 100nF 50V Z R69

2

2
47pF 50V 5% 0805 10K 5% 0805 47pF 50V 5% 0805 10K 5% 0805
OUT 3/L OUT 7/L
+V1 +V1
C76 3 C77 3
47pF 50V 5% 0805 CN11 47pF 50V 5% 0805 CN12
R70 OUTPUT 3/L R72 OUTPUT 7/L
10K 1% 0805 R71 10K 1% 0805 R73
10K 1% 0805 10K 1% 0805
4

1
R74 C78 R75 C79
6 - 100R 5% 0805 47uF 50V CER 6 - 100R 5% 0805 47uF 50V CER
7 7
A 5 + U16B
NE5532D
5 + U17B
NE5532D Biquad Tecnologia LTDA A
R76 R77 Av. João de Camargo, 73
10K 5% 0805 10K 5% 0805 Santa Rita do Sapucaí-MG
+55 35 3471 6399
www.biquad.com.br
Doc. Number 1398
+V2 +V2 Title PCI 0016
-V1 -V1 AUDIO DISTRIBUTOR 2x8 - V1
+V1 +V1
Size Description Eng.DANIEL MAZZER Ver
A3 OUTPUT CIRCUIT CARLOS ANDRE 01

Date: Tuesday, June 26, 2018 Sheet 2 of 3

 5 4 3 2 1
2012 - ALTERAÇÕES NA FONTE DE ALIMENTAÇÃO PARA DIMINUIÇÃO DA
TEMPERATURA DE FUNCIONAMENTO:
- TENSÃO DE ALIMENTAÇÃO DA FONTE REDUZIDA PARA 18V E -18V
- REGULADORES DE TENSÃO ALTERADOS PARA 15V TP6
PAR1 SIGNAL GND
+V1 +V1
-V1 -V1
+V2 +V2

D D
PARAFUSO DE ATERRAMENTO NO CHASSI

TP7 CN13
+V1 POW ER INPUT

CONSUMO MÁXIMO +18V: 350mA

600R EM TODAS AS SAIDAS U18 L5
7815 AX 2.2uH/630mA

1
2
3
4
5
+18V 1 3 +V1
IN OUT
GND
C80
2

+18V
100uF 35V CER C81 C82 C83

-18V
+8V
100nF 50V Z 100nF 50V Z 100uF 35V CER

C C
TP8
-V1

U19 L6
7915 AX 2.2uH/630mA
1 3 -V1
GND OUT CN14
IN IDC BOX HEADER 26P 292
OUT 6/R 26 25 OUT 4/R
2 C84 C85 24 23
OUT 8/R OUT 2/R
100nF 50V Z 100uF 35V CER 22 21 OUT 5/L
OUT 3/L 20 19 OUT 1/L
OUT 7/L 18 17
INPUT GAIN 2/R 16 15 GAIN OUT 2/R
14 13 GAIN OUT 1/L
INPUT GAIN 1/L 12 11 SW ITCH 1/L
10 9 SW ITCH 2/R
C87 8 7 CONTROL
C86 100nF 50V Z +V2 6 5
100uF 35V CER -V1 4 3
+V1 2 1
CONSUMO MÁXIMO -18V: 350mA
600R EM TODAS AS SAIDAS -18V

B B
TP9
+V2

CONSUMO 8V: 170mA U20 L7

7805 AX 2.2uH/630mA
+8V 1 3 +V2
IN OUT
GND C91
100uF 35V CER
C88 C89 2 C90
100uF 35V CER 100nF 50V Z 100nF 50V Z

A Biquad Tecnologia LTDA A

Av. João de Camargo, 73
Santa Rita do Sapucaí-MG
+55 35 3471 6399
www.biquad.com.br
Doc. Number 1398
Title PCI 0016
AUDIO DISTRIBUTOR 2x8 - V1

Size Description Eng.DANIEL MAZZER Ver

A3 POW ER & CONECTOR CIRCUIT CARLOS ANDRE 01

Date: Tuesday, June 26, 2018 Sheet 3 of 3