22
PRIMARE SPA 21 Surround Processing Amplifier Service Manual

SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

  • Upload
    others

  • View
    0

  • Download
    0

Embed Size (px)

Citation preview

Page 1: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

PRIMARE

SPA 21 Surround Processing Amplifier Service Manual

Page 2: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1. Circuit Diagrams 2. Bias Adjustment 3. Technical Specifications

Confidential ! This document is not allowed to show for third part without written permission from Primare Systems AB. This document is subject to change without notice. Author: Bjorn Holmqvist Primare Systems AB [email protected]

Page 3: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 22-Jul-2004 Sheet of File: C:\WORK\..\EM1136-9.SCH Drawn By:

1234567891011121314151617181920212223242526

JP1

26PIN

+5VDISPLAY/RELÆ

P1.0/T22

P1.1/T2EX3

NIC

*12

P1.2/ECI4

P3.1

/TxD

13

P1.3/CEX05

P3.2

/INT0

14

P1.4/CEX16

P3.3

/INT1

15

P1.5/CEX37

P3.4

/TO

/CEX

316

P1.6/SCL8

P3.5

//T1/

CEX

417

P1.7/SDA9

P3.6

/WR

18

RST10

P3.7

/RD

19

P3.0/RxD11

Vss

22

XTA

L220

NIC*1

XTA

L121

Vcc

44

P0.0

/AD

043

P0.1

/AD

142

P0.2

/AD

241

P0.3

/AD

340

P0.4

/AD

439

P0.5

/AD

538

P0.6

/AD

637

P0.7

/AD

736

EA/V

pp35

NIC

*34

ALE 33

PSEN 32

P2.7/A15 31

P2.6/A14 30

P2.5/A13 29

P2.4/A12 28

P2.3/A11 27

P2.2/A10 26

P2.1/A9 25

P2.0/A8 24

NIC* 23

U2

89C660

X2

20MHzC6

10pC8

22p

C1122UF/35V

R910K

R10

100R

D0 3Q02

D1 4Q15

D2 7Q26

D3 8Q39

D4 13Q412

D5 14Q515

D6 17Q616

D7 18Q719

OE 1

LE 11

U4

74HC373

D0 3Q02

D1 4Q15

D2 7Q26

D3 8Q39

D4 13Q412

D5 14Q515

D6 17Q616

D7 18Q719

OE 1

LE 11

U5

74HC373

S-VIDEO/COMPODITE

MIXED/FULL PAGE MODEMOSIMOSOSSSCKSRS+12V-LINK2IR2RS232 PIN9 MAX202RS232 PIN10 MAX202VIDEO SW COMPONENTSCLSDA

14.318+17.734MHZCSYNCMUTEDATACLKSCN

R34

10R

C12

10u 16VR35

10K

B1

COM2

A3

SW4

ENCODE-EC16

VOLUME

1234

SW5

1234SW6

1234

SW7

MENU SELECT LEVEL

X4

18.432MHZ

C710p

C922p

+5VDISPLAY/RELÆ

1234

SW12

STANDBY

123

F2

FILTER

C35

100U/6.3V

C31

100N

+5VDISPLAY/RELÆ

+5VDISPLAY/RELÆ

+5VDISPLAY/RELÆ

+5VDISPLAY/RELÆ

R15

10K

R16

10K

R18

10K

R19

10K

R20

10K

+5VDISPLAY/RELÆ

R473K3

R483K3

+5VDISPLAY/RELÆ VCC

TEMPERATURE SW

C2100N

C1

100NR1

10R

C3

100N

D4PMLL4148

D5PMLL4148

1A12

1A24

1A36

1A48

2A111

2A213

2A315

2A417

1Y1 18

1Y2 16

1Y3 14

1Y4 12

2Y1 9

2Y2 7

2Y3 5

2Y4 3

1G1

2G19

U1

74HC241

C4100N

R4NC

R54K7

R22 100R

R23 100R

R24 100R

R25 100R

R26100R

R27

100R

R2 10KR3 10K

R6 10KR7 10K

R8 10K

R13 10KR14 10K

R17 10K

VCC2

VOUT1

GND3IR1

IR-R

ECEIV

ERHREQ

SELECTOR

R2810K

R2910K

R30100RR31100R

INPUT SELECTOR

111

212

313

41

52

63

74

85

910

A 9

B 7

C 6

D 14

U3

74HCLS147D

VCCR324K7

R334K7

R494K7

C5100N

C10100N

C14100NR50 100R

C15

100NSW1

R51LUS

R52 LUS

R53 LUS

R54 LUS

+5VDISPLAY/RELÆ

C16100n

R55LUS

R56

LUS

R57

LUS

P0.01 P0.1 20

P0.2 19

P0.3 18

P0.4 17

P0.5 16

VD

D15

P0.6 14

P0.7 13

P1.72

P1.63

P1.5

/RST

4

VSS

5

XTAL16

XTAL27

P1.4/INT18

P1.3/INT09

P1.210

P1.0/TXD 12

P1.1/RXD 11

U6 87LPC764

12

JP2

HEA

DER

2

FANR58680R

+5VDISPLAY/RELÆ

R59220R

C17

100N

R6010K

C18

100NC13100U/6.3V

VCC

VC

C1

SIN

2

GN

D3

SBU

SY4

SCK

5

RES

ET6

DISPLAY1GU140X16G

D1LED

R111K33

STANDBY LED

C19

100U/6.3V

C20

100U/6.3V

R12

10kR21

10kR36

10kR37

10k

Page 4: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 5: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A2

Date: 22-Jul-2004 Sheet of File: C:\WORK\..\E1132-11.SCH Drawn By:

3

21

84

U1AOPA2134

5

67

U1BOPA2134

-15V

R1

100R

R2

100R

R947K

R1047K

R11

1K

R12

1K

L

R

J1

R19 2K05

R25

511R

-15V

+15V

R31

10R

R501K

R51

1K

C13560P

R13

1KR62

49.9R

R202K05

R26

511R

-15V

R32

10R

R52

1K

R53

1K

C14560P

R14

1K

R63

49.9R L

R

J2

S1B

SW SPDT

S1A

SW SPDT

+15V

ZCEN1

CS2

SDATAI3

DGND5

SCLK6

SDATAO7

MUTE8 AINR 9AGNDR 10AOUTR 11VA+ 12VA- 13AOUTL 14AGNDL 15AINL 16

VD+4

U8

PGA2311U

C19100N

-5V-VOLUME

+5V-VOLUME

C20100N

C45

10U

R6810R

+5V-VOLUME

R3310K

R34

10K

R714K7

R724K7

L

RJ3

S2C

R212K05

R27

511R

-15V

+15V

R35

10R

R54

1K

R55

1K

C15560P

R15

1K

R222K05

R28

511R

-15V

R36

10R

R56

1K

R57

1K

C16

560P

R16

1K

S3C

+15V

ZCEN1

CS2

SDATAI3

DGND5

SCLK6

SDATAO7

MUTE8 AINR 9AGNDR 10AOUTR 11VA+ 12VA- 13AOUTL 14AGNDL 15AINL 16

VD+4

U9

PGA2311U

C21100N

-5V-VOLUME

+5V-VOLUME

R232K05

R29

511R

-15V

+15V

R37

10R

R58

1K

R59 1K

C17560P

R17

1K

R242K05

R30

511R

-15V

C18560P

R18

1K+15V

ZCEN1

CS2

SDATAI3

DGND5

SCLK6

SDATAO7

MUTE8 AINR 9AGNDR 10AOUTR 11VA+ 12VA- 13AOUTL 14AGNDL 15AINL 16

VD+4

U10

PGA2311U

-5V-VOLUME

+5V-VOLUME

D5

4148

Q1BCV46

R81

470R

R39

10KR40

10KR41

10KR42

10KR43

10K

+5VD

R44

10K

R45

10K

REC 1

OUT FRONT

4 IN

C23

100N

+15V C25

100NC26

100NC27

100N

+15V C30

100NC31

100NC32

100NC34

100N

-15V

C37100N

C38100N

C39100N

+5V-VOLUME

C40100N

C41100N

C42100N

-5V-VOLUME

EM1132-2

C43100N

C46

10U

R6910R

+5V-VOLUME

R46

10K

R47

10K

R734K7

R744K7

C44100N

C47

10U

R7010R

+5V-VOLUME

R48

10K

R49

10K

R754K7

R764K7

CENTER IN SURR

SUB IN SURR

L SURR IN

R SURR IN

L POWER FRONT

R POWER FRONT

R64

49.9R

R65

49.9R

L

R

J4

23

1S2B

SW SPDT

76

8S2A

SW SPDT

OUT SURR

L POWER REAR

R POWER REAR

R66

49.9R

R67

10R L

R

J5

23

1S3B

SW SPDT

76

8S3A

SW SPDTOUT CENTER

CENTER POWER

OUT SUB

A0 1EN 2V- 3

N2A 5N3A 6N4A 7COMA 8COMB9

N4B10

N3B11

N2B12

N1B13

V+14

GND15

A116

N1A 4

U16DG409DY

L

RJ65 IN

L

RJ73 IN

L

RJ82 IN

+15V -15V

L

RJ9EX2

A0 1EN 2V- 3

N2A 5N3A 6N4A 7COMA 8COMB9

N4B10

N3B11

N2B12

N1B13

V+14

GND15

A116

N1A 4

U17 DG409DY

L

RJ10

EX3

L

RJ11EX1

L

RJ121 IN

+15V -15V

S4A

SW SPDT

S4B

SW SPDT

45 S4C

L FRONT IN SURROUND

R FRONT IN SURROUND

R82

470RQ3

BCV46

+5VD

BYPASS

MU

TE STAN

DB

Y

SDA

SCL

FRO

M PR

OC

ESSO

R B

OA

RD

R TO PROCESSOR

L TO PROCESSOR

3

21

84

U2A

OPA2134

5

67

U2BOPA2134

3

21

84

U3A

OPA2134

5

67

U3B OPA2134

3

21

84

U4A

OPA2134

5

67

U4BOPA2134

3

21

84

U5A

OPA2134

5

67U5B

OPA2134

3

21

84

U6A

OPA2134

5

67

U6B OPA2134

3

21

84

U7A

OPA2134

5

67

U7BOPA2134

S1C

SW SPDT

R83470R

Q4BCV46

+5VD

D64148

D7

4148

+5VD

SW-FR

ON

T/SUR

R B

AC

K

DGND

FRONT

SURR

CENTER

SUB

76

8S5A

SW SPDT

23

1S5B

SW SPDT

S5C

SW SPDT

L FRONT DIRECT

R FRONT DIRECT

R SURR DIRECT

L SURR DIRECT

CENTER DIRECT

SUB DIRECT

R88470R

Q5BCV46

D8

4148

+5VD

FRO

NT D

IREC

T

BYPASS

BYPASS

R872K05

R90

511R

-15V

+15V

R93

10R

R97

1K

R98

1K

C72560P

R85

1KR101

49.9R

R89 2K05

R91

511R

-15V

R94

10R

R99

1K

R100

1K

C73560P

R86

1K

R102

49.9RL

R

J13

S6A

SW SPDT

S6B

SW SPDT

+15V

ZCEN1

CS2

SDATAI3

DGND5

SCLK6

SDATAO7

MUTE8 AINR 9AGNDR 10AOUTR 11VA+ 12VA- 13AOUTL 14AGNDL 15AINL 16

VD+4

U19

PGA2311U

C74100N

-5V-VOLUME

+5V-VOLUME

C75100N

C77

10U

R10310R

+5V-VOLUME

R95

10K

R96

10K

R1044K7

R1054K7

OUT SURR BACK 1

3

21

84

U13A

OPA2134

5

67

U13B

OPA2134

3

21

84

U18A

OPA2134

5

67

U18BOPA2134

SURR BACK 1 IN

SURR BACK 2 IN

SURR BACK 1 DIRECT

SURR BACK 2 DIRECT

L

RJ14

OUT SURR BACK 2

S6C

1234567891011121314151617181920

J15

CON20

76

8S7A

SW SPDT

23

1S7B

SW SPDT

45 S7C

SW SPDT

45 S8C

SW SPDT

76

8S8A

SW SPDT

23

1S8B

SW SPDT

S9A

SW SPDT

23

1S9B

SW SPDT

S9C

SW SPDT

R TO PROCESSOR

L TO PROCESSOR

CENTER IN SURR

SUB IN SURR

L SURR IN

R SURR IN

L FRONT IN SURROUND

R FRONT IN SURROUND

SURR BACK 1 IN

SURR BACK 2 IN

C66

100NC67

100N

+15V

C76

100NC78

100NC79

100NC80

100N

C81

100N

+15V C82

100NC83

100NC84

100NC85

100N

C86

100N

-15V C87

100NC88

100N

-15V

C89100N

C90100N

12345678910111213141516

JP1

HEADER 16

L POWER FRONT

R POWER FRONT

L POWER REAR

R POWER REAR

CENTER POWER

BIAS-STANDBY FRONT

STANDBY REAR-CEN-SUB

1234567891011121314151617181920

JP2

HEADER 20

+15V

-15V

+5V

-5V

+12V

+5VDISPLAY/RELÆ

+5VD

STANDBY REAR-CEN-SUB

BIAS-STANDBY FRONT

12V-LINK1

12345678910111213141516

JP3

HEADER 16

+12V

12345678910111213141516

JP4

HEADER 16

SCNCLK

DATAMUTE

CSYNC14.318+17.734MHZ

SDASCL

VIDEO SW COMPONENT

+5V-5V

+15V-15V

+5VDMOSI

MOSOSS

SCKSRS

TO SURROUND PCB

TO VIDEO PCB

TO S

OR

RO

UN

D P

CB

TO P

OW

ER A

MP

PCB

TO P

OW

ER A

MP

PCB

123456789

1011121314151617181920212223242526

JP5

26PIN

+5VDISPLAY/RELÆ

SCNCLK

DATAMUTE

CSYNC14.318+17.734MHZ

SDASCL

VIDEO SW COMPONENTRS232 PIN10 MAX202

RS232 PIN9 MAX202

12V-LINK2

MOSI

MOSOSS

SCK

SRS

TO DISPLAY PCB

NC1

LX2

SX3

NC 5SY 6LY 7VCC 8

GND4

U11 82B715

A01

A12

A23

SDA 5SCL 6NC 7VCC 8

VSS4

U12

24C16

C22100N

C24100N

C28

100U/6.3V R3

1KR5

10RR4

1KR6

10R

123F1

NMF40

123

F2NMF40

123456

JP6

HEADER 6

IIC

MIXED/FULL PAGE MODE

MIXED/FULL PAGE MODE

S-VIDEO/COMPOSITE

S-VIDEO/COMPOSITE

SDASCL

+15V

D1

PMLL4148+5VD

TEMPERATURE SW

TEMPERATURE SW

123

JP7HEADER 2

+5VD

C1+ 1

V+ 2

C1- 3

C2+ 4

C2- 5

V- 6

T2OUT 7

R2IN 8

R1IN13

R1OUT12

R2OUT9

VCC16

GND15

T1OUT14

T2IN10 T1IN11

U20

MAX202

1234

P1

HEADER 4

123F3

NMF40

123 F4

NMF40

R79

TBDR80

TBD

C29

100N

C33

100N

C35100N

C36100N

C48

100N

+5VD

RS232 PIN10 MAX202RS232 PIN9 MAX202

RS2

32

R84

10R

R92

10R

C49

100N

C50

100N

12V-LINK2

5

21

3JP8

3.5MM-JACK

IR-2 R106

100R R107

10R

C51

10U/16v

+15V

12V-LINK1

C52100N

HREQ

C53

470U

/10V

C54

470U

/10V

R710K R8

10K

R7710K

R7810K

R10810K R110

10K

HREQ

SUR

R B

AC

K

R111

10R

R112

10R

+5V-VOLUME

-5V-VOLUME

11

22

33

JP9

OUT1

GND2

GND3

NC4

IN 8

GND 7

GND 6

NC 5

U21LM78SMD

C57

10U/16v

C58

10U/16v

R11310K

R11410K

C55

100U/16V

C56

100U/16V

R115 10R

R11610RC60

10U/16V R117NC

C59100N

R118

22R

R119

22R

S10A

SW SPDT

S10B

SW SPDT

S10C

SW SPDT

R12010K R121

10K

A06

A17

A29

P1 11

P2 12

P3 14

VSS

15

P4 16

P5 17

P6 19

P7 20

INT 1

SCL2 SDA4

VD

D5

P0 10

U14

PCF8574-SSOP

A06

A17

A29

P1 11

P2 12

P3 14

VSS

15

P4 16

P5 17

P6 19

P7 20

INT 1

SCL2 SDA4

VD

D5

P0 10

U15

PCF8574-SSOP

C61100N

R1095K6

R1225K6

R128

0RR129

0R

C115U/16V OS-CON AUDIO

C2 15U/16V OS-CON AUDIO

R130

0RR131

0R

C3

15U/16V OS-CON AUDIOC4

15U/16V OS-CON AUDIO

R132

0R

C5 15U/16V OS-CON AUDIO

C6

15U/16V OS-CON AUDIO

R133

0RR134

0R

C7 15U/16V OS-CON AUDIOC8 15U/16V OS-CON AUDIO

R38

10R

R6010R

R61

10R

R12310R

R124

10R

R12510R

R126

10R

R12710R

Page 6: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 7: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Dec-2004 Sheet of File: C:\WORK\..\EM1134A.SCH Drawn By:

Q12SC2240

Q52SA970

Q7BD677A

Q82SC4793

Q102SA1837

R11K

Q11

2SA1943

Q13

2SC5200

R233K

R310K

R6110R

R7

470R

D11N4148

D2

1N41

48

C10.1U

R12

5K6

R13

5K6

R145K6

R153K3

Q6

2SA970

R418K

R518K

C10NC

Q22SC2240

Q32SC2240

Q42SC2240

R16133R

R172K2

R8

470R

R19

1K1

R20

22K

C11

18P

D3

1N4148

D41N4148

C2

0.1U

R9

470R

R22220R

R23100R

R10

470R

R25

4K7

R26

4K7

R27

4K7

R29470K

A1

K2

C 4

E 3

Q17

OPTOISO1

1

2

3

Q18BS107

R24

280R

R30680R

R284K7

R181K1

D50R

C3

NC

Q92SC4793

R31

75R

R32

75R

C40.1U

C12

220U/16V

R37470R

R38470R

R390.22R

R400.22R

R43

22R

R44

22R

R45

22R

R46

22R

Q12

2SA1943

Q14

2SC5200

R410.22R

R420.22R

R47

22R

R48

22R

R49

22R

R50 22R

S1

FUSE1

S2

FUSE1

C50.1U

C60.1U

R21

22K

R511K

C70.1U

C131U

R52

1M

+15V_AN

-15V_AN

+POWER

-POWER

C80.1U

C140.1V

C15100U/63V

C16100U/63V

R354R7

C90.1U

R11

470RBIAS-STANDBY

Q15A2SK389

Q15B2SK389

PINPINP9

PIN

PIN

P10

PIN

+POWER-REG

-POWER-REG

RE1A

SW SPDT

U1

TL071

R POWER FRONT

AMP-OUT-FRONT-R

R325

1KC93470P

R342470K

R343100K

AMP-OUT-FRONT-R-FUSE

R186220K

Q103BSR20

Q108BSR19

R188220K

1 2

JP9

Page 8: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Dec-2004 Sheet of File: C:\WORK\..\EM1134B.SCH Drawn By:

Q302SC2240

Q402SA970

Q45BD677A

Q522SC4793

Q572SA1837

R561K

Q64

2SA1943

Q72

2SC5200

R6033K

R7010K

R76110R

R95

470R

D211N4148

D22

1N41

48

C440.1U

R110

5K6

R111

5K6

R1125K6

R1163K3

Q41

2SA970

R7118K

R7218K

C56NC

Q312SC2240

Q322SC2240

Q332SC2240

R120133R

R1272K2

R96

470R

R132

1K1

R139

22K

C60

18P

D23

1N4148

D241N4148

C45

0.1U

R97

470R

R144220R

R151100R

R98

470R

R165

4K7

R166

4K7

R167

4K7

R172470K

A1

K2

C 4

E 3

Q77

OPTOISO1

1

2

3

Q81BS107

R152

280R

R176680R

R1684K7

R1281K1

D250R

C46

NC

Q532SC4793

R99

75R

R192

75R

C470.1U

C64

220U/16V

R203470R

R204470R

R2170.22R

R2180.22R

R245

22R

R246

22R

R247

22R

R248

22R

Q65

2SA1943

Q73

2SC5200

R2190.22R

R2200.22R

R249

22R

R250

22R

R251

22R

R25222R

S9

FUSE1

S10

FUSE1

C480.1U

C490.1U

U5TL071

R140

22K

R2561K

C500.1U

C681U

R260

1M

+15V_AN

-15V_AN

+POWER

-POWER

C510.1U

C720.1V

C79100U/63V

C80100U/63V

R1954R7

C520.1U

R100

470RBIAS-STANDBY

Q85A2SK389

Q85B2SK389

PINPINP7

PIN

PIN

P8

PIN

+POWER-REG

-POWER-REG

RE1B

SW SPDT

L POWER FRONT

AMP-OUT-FRONT-L

C92470P

R324

1K

R34047K

R34147K

AMP-OUT-FRONT-L-FUSE

R183220K

Q102BSR20

Q107BSR19

R184220K

1 2

JP8

Page 9: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Dec-2004 Sheet of File: C:\WORK\..\EM1134C.SCH Drawn By:

Q262SC2240

Q382SA970

Q44BD677A

Q502SC4793

Q562SA1837

R551K

Q62

2SA1943

Q70

2SC5200

R5933K

R6710K

R75110R

R89

470R

D161N4148

D17

1N41

48

C350.1U

R107

5K6

R108

5K6

R1095K6

R1153K3

Q39

2SA970

R6818K

R6918K

C55NC

Q272SC2240

Q282SC2240

Q292SC2240

R119133R

R1252K2

R90

470R

R131

1K1

R137

22K

C59

18P

D18

1N4148

D191N4148

C36

0.1U

R91

470R

R143220R

R149100R

R92

470R

R161

4K7

R162

4K7

R163

4K7

R171470K

A1

K2

C 4

E 3

Q76

OPTOISO1

1

2

3

Q80BS107

R150

280R

R175680R

R1644K7

R1261K1

D200R

C37

NC

Q512SC4793

R93

75R

R187

75R

C380.1U

C63

220U/16V

R201470R

R202470R

R2130.22R

R2140.22R

R237

22R

R238

22R

R239

22R

R240

22R

Q63

2SA1943

Q71

2SC5200

R2150.22R

R2160.22R

R241

22R

R242

22R

R243

22R

R24422R

S7

FUSE1

S8

FUSE1

C390.1U

C400.1U

U4TL071

R138

22K

R2551K

C410.1U

C671U

R259

1M

+15V_AN

-15V_AN

+POWER

-POWER

C420.1U

C710.1V

C77100U/63V

C78100U/63V

R19022R

C430.1U

R94

470RBIAS-STANDBY

Q84A2SK389

Q84B2SK389

PINPINP5

PIN

PIN

P6

PIN

+POWER-REG

-POWER-REG

RE2A

SW SPDT

AMP-OUT-REAR-R

R POWER REARR323

1K

C91470P

R33847K

R33947K

AMP-OUT-REAR-R-FUSE

R179220K

Q101BSR20

Q106BSR19

R181220K

1 2

JP7

Page 10: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Dec-2004 Sheet of File: C:\WORK\..\EM1134D.SCH Drawn By:

Q222SC2240

Q362SA970

Q43BD677A

Q482SC4793

Q552SA1837

R541K

Q60

2SA1943

Q68

2SC5200

R5833K

R6410K

R74110R

R83

470R

D111N4148

D12

1N41

48

C260.1U

R104

5K6

R105

5K6

R1065K6

R1143K3

Q37

2SA970

R6518K

R6618K

C54NC

Q232SC2240

Q242SC2240

Q252SC2240

R118133R

R1232K2

R84

470R

R130

1K1

R135

22K

C58

18P

D13

1N4148

D141N4148

C27

0.1U

R85

470R

R142220R

R147100R

R86

470R

R157

4K7

R158

4K7

R159

4K7

R170470K

A1

K2

C 4

E 3

Q75

OPTOISO1

1

2

3

Q79BS107

R148

280R

R174680R

R1604K7

R1241K1

D150R

C28

NC

Q492SC4793

R87

75R

R182

75R

C290.1U

C62

220U/16V

R199470R

R200470R

R2090.22R

R2100.22R

R229

22R

R230

22R

R231

22R

R232

22R

Q61

2SA1943

Q69

2SC5200

R2110.22R

R2120.22R

R233

22R

R234

22R

R235

22R

R23622R

S5

FUSE1

S6

FUSE1

C300.1U

C310.1U

U3TL071

R136

22K

R2541K

C320.1U

C661U

R258

1M

+15V_AN

-15V_AN

+POWER

-POWER

C330.1U

C700.1V

C75100U/63V

C76100U/63V

R1854R7

C340.1U

R88

470RBIAS-STANDBY

Q83A2SK389

Q83B2SK389

PINPINP3

PIN

PIN

P4

PIN

+POWER-REG

-POWER-REG

RE2B

SW SPDT

L POWER REAR

AMP-OUT-REAR-L

C90470P

R322

1K

R33647K

R33747K

AMP-OUT-REAR-L-FUSE

R36 220K

Q100BSR20

Q105BSR19

R178220K

1 2

JP6

Page 11: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Dec-2004 Sheet of File: C:\WORK\..\EM1134E.SCH Drawn By:

Q162SC2240

Q342SA970

Q42BD677A

Q462SC4793

Q542SA1837

R531K

Q58

2SA1943

Q66

2SC5200

R5733K

R6110K

R73110R

R77

470R

D61N4148

D7

1N41

48

C170.1U

R101

5K6

R102

5K6

R1035K6

R1133K3

Q35

2SA970

R6218K

R6318K

C53NC

Q192SC2240

Q202SC2240

Q212SC2240

R117133R

R1212K2

R78

470R

R129

1K1

R133

22K

C57

18P

D8

1N4148

D91N4148

C18

0.1U

R79

470R

R141220R

R145100R

R80

470R

R153

4K7

R154

4K7

R155

4K7

R169470K

A1

K2

C 4

E 3

Q74

OPTOISO1

1

2

3

Q78BS107

R146

280R

R173680R

R1564K7

R1221K1

D100R

C19

NC

Q472SC4793

R81

75R

R177

75R

C200.1U

C61

220U/16V

R197470R

R198470R

R2050.22R

R2060.22R

R221

22R

R222

22R

R223

22R

R224

22R

Q59

2SA1943

Q67

2SC5200

R2070.22R

R2080.22R

R225

22R

R226

22R

R227

22R

R22822R

S3

FUSE1

S4

FUSE1

C210.1U

C220.1U

U2TL071

R134

22K

R2531K

C230.1U

C651U

R257

1M

+15V_AN

-15V_AN

+POWER

-POWER

C240.1U

C690.1V

C73100U/63V

C74100U/63V

R1804R7

C250.1U

R82

470RBIAS-STANDBY

Q82A2SK389

Q82B2SK389

PINPINP1

PIN

PIN

P2

PIN

+POWER-REG

-POWER-REG

RE3A

SW SPDT

RE3B

SW SPDT

CENTER POWER

AMP-OUT-CENTER

R321

1K

C89470P

R33447K

R33547K

AMP-OUT-CENTER-FUSE

R33 220K

Q99BSR20

Q104BSR19

R34 220K

1 2

JP5

Page 12: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Dec-2004 Sheet of File: C:\WORK\..\EM1134F.SCH Drawn By:

Nameem1134E.sch

Nameem1134D.sch

Nameem1134C.sch

Nameem1134B.sch

Nameem1134A.sch

C81

10000U/63V

C8210000U/63V

C83

10000/63V

C8410000/63V

R261

22R

R262

22R

R263

22R

R264

22R

1234

P11

HEADER 4

RE3CSW SPDT

RE2C

SW SPDT

RE1CSW SPDT

R265150K

D26

PMLL4148C97

470N

R270

1M

R271

1MR285120K

R272

1M

D27

PMLL4148

+15V_AN

C98470N

3

21

84

U6AMC1458

5

67

U6BMC1458

R266150K

D28

PMLL4148

C99470N

R273

1M

R274

1MR286120K

R275

1M

D29

PMLL4148

+15V_AN

C100470N

+15V_AN

-15V_AN

Q86BC846

D39

2V7

R290

56K

D30PMLL4148

STANDBY FRONT

Q87BC846

D40

2V7

R291

56K

D44

1N4148

R2951K2/3W

+POWER

R267150K

D31

PMLL4148C101

470N

R276

1M

R277

1MR287120K

R278

1M

D32

PMLL4148

+15V_AN

C102470N

3

21

84

U7AMC1458

5

67

U7BMC1458

R268150K

D33

PMLL4148

C103470N

R279

1M

R280

1MR288120K

R281

1M

D34

PMLL4148

+15V_AN

C104470N

+15V_AN

-15V_AN

Q88BC846

D41

2V7

R292

56K

D35PMLL4148

STANDBY

Q89BC846

D42

2V7

R293

56K

D45

1N4148

R2961K2/3W

+POWER

3

21

84

U8AMC1458

R269150K

D36

PMLL4148

C105470N

R282

1M

R283

1MR289120K

R284

1M

D37

PMLL4148

+15V_AN

C106470N

+15V_AN

-15V_AN

Q90BC846

D43

2V7

R294

56K

D38PMLL4148

STANDBY

D46

1N4148

R2971K2/3W

+POWER

AMP-OUT-FRONT-L

AMP-OUT-FRONT-R

AMP-OUT-REAR-R

AMP-OUT-REAR-L

AMP-OUT-CENTER

R2983K65

R300330R

1

2

3

4

D49

BRIDGE1

Vin3

AD

J1

Vout 2

REG1 LM317T

Vin3 AD

J1

Vout 2

REG2 LM337T

D471N4148

D481N4148

C10710U/35V

C1094700U/40V

C10810U/35V

C110220U/16V

C1124700/40V

C111220U/16V

R2993K65

R301330R

+15V_AN

-15V_AN

C113100n

C114

100n

Vin1

GN

D2

OUT 3

REG37805

Vin2

GN

D1

OUT 3

REG7 7905

C115100N

C116100N

C117100N

C118100N C125

2200U/16V

C1262200U/16V

+5V

1

2

3

4

D50

BRIDGE1

Vin1

GN

D2

OUT 3

REG47805

C127

2200

U/2

5V C119100N

C120100N

C130330U/6.3V

+5VD

R3020R

DGND

DGND

Vin1

GN

D2

OUT 3

REG57812

C121100N

C122100N

C131220U/16V

+12V

C128

2200

U/2

5V

C129

2200

U/2

5V

Vin1

GN

D2

OUT 3

REG67805

C123100N

C124100N

C132330U/6.3V

+5VDISPLAY/RELÆ

+POWER

-POWER

+POWER-REG

-POWER-REG

C13

3

100N

C13

4

100N

+15V_AN

-15V_AN

C135100N

C136100N

C137100N

C138100N

C139100N

C140100N

C141100N

C142100N

C143100N

C144100N

12

P12

HEADER 2

123

P13HEADER 3

-5V

C85

2200U/16V

C862200U/16V

1234567891011121314151617181920

JP1

HEADER 20

+15V_AN

-15V_AN

+5V

-5V

+5VDISPLAY/RELÆ

+5VD

12345678910111213141516

JP2

HEADER 16

L POWER FRONT

R POWER FRONT

L POWER REAR

R POWER REAR

CENTER POWER

BIAS-STANDBY FRONT

Q91BC850

+5VD

Q92BC850

R303

1K

R3041K

R30647K

STANDBY FRONT

BIAS-STANDBY

BIAS-STANDBY FRONT

Q93BC850

R3051K

R30747K

STANDBY

STANDBY REAR-CEN-SUB

STANDBY REAR-CEN-SUB

JP3

3.5MM-JACK

+12V LINK

Q95BD140

Q94BC850

R308

10k

R30947K

R3112R2

+12V

R31022K

12V-LINK1

12V-LINK1

R313

10R

C87

100N

JP4

3.5MM-JACK

+12V LINK

Q97BD140

Q96BC850

R312

10k

R31447K

R3162R2

R31522K

12V-LINK2

12V-LINK2

R3172R2

R3182R2

+12VIDEO

+12VIDEO

R31910K

1 2 3

Q98TEMPERATUR

1234

P14

HEADER 4

R3201K

R326NC

R327NC

R328

470R

R329

470R

R330

22R

R331

22RR332

22RR333

22R

C881000/35V

C94100N

AMP-OUT-FRONT-R-FUSE

AMP-OUT-FRONT-L-FUSE

AMP-OUT-REAR-R-FUSE

AMP-OUT-REAR-L-FUSE

AMP-OUT-CENTER-FUSE

Page 13: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 14: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 20-Aug-2003 Sheet of File: D:\My Files\underlag produktion\Av20-spa20\Protell Drawings electrical\schematics\orginal\uppdaterade komponentvärden\Backup of Em1135-4.DDBDrawn By:

SCL33

SDA34

AGND35

DCOUT36

COUT337

LOUT338

YOUT339

ROUT340

VOUT341

VCC42

LOUT243

V/YOUT244

ROUT245

TRAP246

COUT247

MUTE48

YIN149

BIAS50

CIN151R

V6

61

LTV

62

TV63

RTV

64

LOU

T152

VO

UT1

53

RO

UT1

54

TRA

P155

YO

UT1

56

VG

ND

57

CO

UT1

58

LV6

59

V6

60

V1 1LV1 2Y1 3RV1 4C1 5S2-1 6S-1 7V2 8LV2 9Y2 10RV2 11C2 12S2-2 13S-2 14V3 15LV3 16Y3 17RV3 18C3 19

S2-3

20S-

321

V4

22LV

423

Y4

24

AD

R32

RV

531

V5

30

LV5

29

S-4

28

S2-4

27

C4

26

RV

425

U1

CXA2069Q

YOUT1

VIDEO IN2

RES3

FTR4

AVDD5

DVDD6

CSYNC7

XTAL IN8

CO 18

LECHAR 22

AGND 21

V OUT2 26

COUT 24

DGND 20

CIN 25

FB 17

XTAL OUT9

MUTE10

DATA11

CLK12

B 16

LESCREEN 23

CSN13

R14

YIN 28

BAR 19

G 15

V OUT1 27

U2

STV5730

1 2

U3A

74HC04

3 4

U3B

74HC04

5 6

U3C

74HC04

8 9

U3D

74HC04

1

2 3

U4A 74HC125

4

5 6

U4B74HC125

89

10

U4C74HC125

1112

13

U4D74HC125

12

13

U5A4066

11 10

12

U5B4066

4 3

5

U5C4066

8 9

6

U5D4066

L1180UH

L3

20UH

L4

27UH

L2180UH

OUT11

IN1-2

IN1+3

VCC+4

IN2+5

IN2-6

OUT27

SB18

VCC- 13

IN3+ 12

SB2 9

OUT4 16

IN4- 15

IN4+ 14

OUT3 10IN3- 11

U6

H94I

1 2 3

F1FILTER

12

J4

PHONO

12

J1

PHONO

12

J2

PHONO

12

J3

PHONO

12

J5

PHONO

12

J6

PHONO

1234567

JP1

HEADER 7

1234567

JP2

HEADER 7

1234567

JP4

HEADER 7

1234567

JP5

HEADER 7

S-V

IDEO

IN1

S-V

IDEO

IN2

S-V

IDEO

OU

T M

AIN

S-V

IDEO

OU

T R

EC

VID

EO IN

1V

IDEO

IN2

VID

EO IN

3V

IDEO

IN4

VID

EO O

UT

MA

INV

IDEO

OU

T R

EC

OUT1 1

IN1- 2

IN1+ 3

VCC+ 4

IN2+ 5

IN2- 6

OUT2 7

SB1 8

VCC-13

IN3+12

SB29

OUT416

IN4-15

IN4+14

OUT310 IN3-11

U7H94I

R1

75R

R2

75R

R3

75R

R4

75R

R5

75R

R6

75R

C1

1U

C2

1U

C3

1U

C4

1U

R7

75R

R8

75R

R9

75RR10

75R

R11

75RR12

75R

+9V VIDEO

+9V VIDEO

R1375RR

14

75R

R15

75R

R16

75R R24

75RR2575R

+9V VIDEO

+9V VIDEO

C5

1UC1310P

C1410P

R33 620R

R34

620R

C15

100N

C28

10U/16V

C16

100N

C17

100N

+9V VIDEO

C29

TBD C6

1U

R35TBD

R1775R

C7

1U

C18

100N

C8

1UC30NC

R1875R

R3675

C19

100N C9

1UC31NC

C101U

R2675R

C111U

C121U

S1A

SW SPDT

S1B

SW SPDT

S1CSW SPDT

S2A

SW SPDT

S2B

SW SPDT

S2CSW SPDT

R270R

R280R

R29

NC

R30

NC

R37

1K8

R38

3K3

R39100R

Q1BC847C

R1975R

R2075R

+5V VIDEO

C32

56P

R407K5

R412K5

+5V VIDEO

R21

75R

R22

75RR2375R

C35

1U

+5V VIDEO

R42

1K

C36470P

C3712P

C20100N

R434K3

R4422K

+5V VIDEO

C38

220P

C3922N

C40

100U/16V

C21100N

12345678910111213141516

JP3HEADER 16+12V

SDASCL

VIDEO SW COMPONENT

TO VIDEO PCB

1011

U3E

74HC04

1213

U3F

74HC04

X3

14.318MHZ

X2

17.734MHZ

C3347pF

C3447pF

C4139P

C4239P

R45

1M

R46

1M

R47470R

SCLSDA

123456

JP6

HEADER 6

123456

JP7

HEADER 6

123456

JP8

HEADER 6

S3A

SW SPDT

S3B

SW SPDT

S3C

SW SPDT

S4A

SW SPDT

S4B

SW SPDT

S4C

SW SPDT

R88

470R

Q5

BCV46

+5VSW

VIDEO SW COMPONENT

Vin 1

GN

D2

OUT3

U87809

Vin 1

GN

D2

OUT3

U107805

C43

47uF 16V

C22100N

C23100N

C24100N

C25100N

C44

100U

/16V

C45

100U

/16V

+12V+9V VIDEO

+5V VIDEO

R49470R

Q2

BCV46

Q3

BCV46

R48470R

+5VSW +5VSW

MIXED/FULL PAGE MODES-VIDEO/COMPOSITE

Vin 1

GN

D2

OUT3

U97805

C26100N

C27100N

C46100U/16V

+5VSW +12V

SCNCLKDATAMUTECSYNC14.318+17.734MHZ

MIXED MODE

FULL PAGE MODE

S-VIDEO

COMPOSITE

D1

PLMM4148

D3PMLL4148

D2PLMM4148

C47

100N

C48

100N

C49

100N

+5V VIDEO

+5V VIDEO VCC

GNDVGND

C51100N

S-VIDEO/COMPOSITE

MIXED/FULL PAGE MODE

R3147R R32

47R

C50

100N

R50 10R

L5

nc

C52

10U/16VL6

4.7UH

YU

V I

NPU

T1

YU

V I

NPU

T 2 Y

UV

OU

T

R51

NC

R52NC

R53 1K

R54

1K

R55

1K

+5V VIDEO

Page 15: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 16: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1 2 3 4 5 6

A

B

C

D

654321

D

C

B

A

Title

Number RevisionSize

B

Date: 4-Nov-2002 Sheet of File: EM1137.pdf Drawn By:

C110000U/63V

C210000U/63V

C310000U/63V

C410000U/63V

C510000U/63V

C610000U/63V

123

JP1

HEADER 3

123

JP2

HEADER 3

123

JP3

HEADER 3

S1

FUSE

S2

FUSE

IN 1

IN 2

IN 3

IN 4

+60V

-60V

++60V

--60V

R147K

R247K

R3

NTC 7R

R4

NTC 7R

R5

NTC 7R

L1

1mH

C7

47U/25V

12

JP4

HEADER 2

12

JP5

HEADER 2

12

JP6

HEADER 2

FAN

FAN

R847R

Q1

BDW93

D1

BRIDGE1C81000U/25V

12

P1

HEADER 2

12

P2

HEADER 2

D21N4001

Confidential.This drawing is property of Primare Systems AB.It is not allowed to show for third part withoutwritten permission from Primare Systems AB.

Page 17: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 18: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 19: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

1089

123

456

1112

13

1 QL

10CLK

11CLR

12 QI13 QH

14 QJ15 QK

2 QF3 QE

4 QG

5 QD6 QC7 QB9 QA

Page 20: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4
Page 21: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

Bias Adjustment SPA21 If anything in the output stage has been repaired, the bias needs to be readjusted. Critical for the adjustment are that the mainsvoltage is 230V or 115V exactly. The temperature in the facility must be constant during the adjustment procedure.

Use the following measureingpoints and potentiometers to adjust bias:

Channel Measure Adjust Front R JP9 R1 Front L JP8 R56 Surr R JP7 R55 Surr L JP6 R54 Center JP5 R53

These steps describe the procedure which is the same for all channels. 1. Switch the amplifier on or if it has been on burn-in, disconnect input signal and loads. 2. Let the amplifier run for 1h. 3. Adjust the bias to 9mV 4. Wait 1h 5. Measure the bias and if needed readjust to 9mV 6. Wait 1h 7. Measure the bias and if needed readjust to 9mV 8. Wait 1h 9. Measure the bias and if needed readjust to 9mV Repeat step 5-9 until the bias are stabile.

Page 22: SPA20 Surround Processing Amplifer - Primare · 2020. 3. 5. · 13 q4 12 d5 14 q5 15 d6 17 q6 16 d7 18 q7 19 oe 1 le 11 u4 74hc373 d0 3 q0 2 d1 4 q1 5 d2 7 q2 6 d3 8 q3 9 d4 13 q4

Technical Specifications

Output power: 5x100 W/ 8R All channels driven Analogue inputs: 9 RCA Digital inputs: 2 RCA, 2 TOS-link Video inputs: 4 Composite, 2 S-Video, 2 Component Analogue outputs: Front (L&R), Center, Sub, Surr. (L&R), Surr. back (L&R) Analogue Record Output: 1 RCA (L&R) Digital Output: 1 RCA Video Output: 2 Composite, 2 S-Video, 1 Component Video: NTSC/PAL Power consumption: Stand by<42 W Modes: Dolby ProLogic, Dolby ProLogic II, Dolby Digital 5.1, Dolby Digital Surround EX 6.1, Dolby Digital Matrix 6.1, DTS Neo:6, DTS 5.1, DTS ES 6.1, DTS ES 6.1 discrete, "Surround EX 7.1" THD: <0,07%, 20 Hz-20 kHz Signal-to-noise: -100dB Frequency response: <10 Hz-100 kHz, -3 dB Frequency response: <20 Hz-20 kHz, -3 dB+/-0,2 dB Dimensions (WxDxH): 430x400x135 mm Weight: 22,5 kg