Bryston 6BSST2 Schematic

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SAFET Y C R IT IC AL PA RTS

REAR PANEL

JPWR

6BSST MICRO SOFT START R4 PCB

C20

+

STANDBY POWER

Vrel

VOLTAGE SELECT

JA

1P

120V

R2

R3

240V

120V

N

TX1

D3

D2

1N4004

CNY17-4

D4

2K0

R5

1N4004

30K 2W

1N4004

12

IC6

5

ZCD

VR1 1KO

THRESHOLDTURN ON

30K 2W

D5

4

ZERO CROSS

1K0

R6

C4 100p

RT

4K99

CT

22u/25

MUT

18

MON

17

LAT

16

TRIG

15
14
13
12
11

POS2
POS1
VS2
VS1

49K9

R11

+

MOM SW OPT

JP3

JP2

1N5228

DT

Vrel

XX

JP1

X

VOLTAGE SELECT

DA

1N4004

DB

1N4004

DC

1N4004

DD

1N4004

1K0

CU1
100n

R4

LM317LZ

2

3

IC4

1

2u2

+

CA

JBUS

240V

WIRE

JUMPERS

MUTE CONTROL

RMB

100K

RM

499R

Q1

PN100

RL2

HANDOFF

DRL

1N4004

14 68

100V

120V

220V

240V

X

4
3
2
1

JREM

Q2

PN100

120V

OUT

EXT12V

IN

BUS VOLTAGE SELECT

PS

A

1

B

2

C

3

D

4

E

5

F

6

H

7

J

8

K

9

L

10

M

11

N

12

P

13

MUTE

Q

14

R

15

PWR

16

S

17

T

18U

Vdd

GND

LEDG

111316

9

PWR SWITCH

2
1

JSW

LED PCB

JLED

8
7
6
5
4
3
2
1

CH1

R G

CH2

R G

CH3

R G

.1uF/250v

CS

GN L

GND

BTB 24800B

Q3

IC3 MOC3052

46

12

A A

120 VAC-12A
240 VAC-6.3A

RED WIRE

BLK WIRE

R1

221K

C1

.1uF/250V

R9

470R 3W

B B

SAFETY CRITICAL PARTS

BREAKER

RU5

499R

Vdd

C3

C C

JICSP

1

D D

2
3
4
5

ICSP HEADER

RST

POS2
POS1

GND

R12

10K

S1

REM

TRD
GRN1
RED1
RST

PWR
REM
LOC

ZCD

LOCAL-REMOTE SW

5

MOC8100

DC FILTER

BR2

C19

+

F1

22R1

RG1

D1

1N4004

1N4004

78L05

IC2

C2

100u 16V

1
2

3
4
5
6
7
8
910

IC5

1000u 25v

IC1 PIC16F818

RA

RA2
RA3

RA

RA4

RA

RA5

RA

Vss

Vdd

RBO INT

RB7

RB1

RB6

RB2

RB5

RB3 RB4

Vdd

1
24

EXT PWR DETECTOR

6BST BUSS8 PCB

SAFETY CRITICAL PART

PS BUS

A

1

B

2

C

3

D

4

E

5

F

6

H

7

J

8

K

9

L

10

M

11

N

12

P

13

MU2

MU1

14

Q

MU3

15

R

PWR

16

S

LEDG

17

T

18

U

WG

GND

GY WIRE

CHASSIS

PSW

8
7
6
5
4
3
2
1

2
1

PLED

CH1 G
LEDG
CH1 R
CH2 G
CH2 R
CH3 G

CH3 R

FLEX 1

FLEX 2

J2 CH1 BUS

A

1

B

2

C

3

D

4

E

5

F

6

H

7

J

8

K

9

L

10

M

11

N

12

P

13

MU1

14

Q

1415Q

CH1 R

15

R

R

CH1G

16

S

17

T

18

J2 CH2 BUS

L2

MU2
CH2 R
CH2 G

J2 CH3 BUS

1
2
3
4
5
6
7
8
9

10
11

12
13
14

1415Q
15
16
17
18

1
2
3
4
5
6
7
8
9

10
11

12
13
14
15
16

17
18

U

A
B
C
D
E
F
H
J
K
L

M
N
P

Q
R

R
S
T

U

A
B
C
D
E
F
H
J
K
L

M
N
P

Q
R
S
T

U

L2

MU3
CH3 R
CH3 G

J2 CH1

6BSST MB PCB R11

A

1

B

2

C

3

D

4

E

5

F

6

H

7

J

8

K

9

L

10

M

11

N

12

P

13

MUTE

14

Q

LED R

15

R

LED G

16

S
T

17

U

18

J2 CH2

6BSST MB PCB R11

1

A

2

B

3

C

4

D

5

E

6

F

7

H

8

J

K

9

10

L

11

M

12

N

13

P

MUTE

Q

14

LED R

R

15

LED G

16

S
T
U

17
18

J2 CH3

6BSST MB PCB R11

A

1

B

2

C

3

D

4

E

5

F

6

H

7

J

8

K

9

L

10

M

11

N

12

P

13

MUTE

Q

14

LED R

R

15

LED G

16

S
T

17

U

18

TF1 6BSST R5

F1

F2

TF1 6BSST R5

F1

F2

TF1 6BSST R5

F1

F2

CH3

CH3

CH3

RGG3

GND

RGG3

GND

RGG3

GND

100R

100R

100R

120V

120V

120V

SAFETY CRITICAL PARTS

ORG

0V

VIO

120V

65 VAC

BRN

BLU

WHT

CT

0V

RED

65 VAC

BLK

AC

-

AC

+

SAFETY CRITICAL PARTS

ORG

0V

VIO

120V

65 VAC

BRN

BLU

WHT

CT

0V

RED

65 VAC

BLK

AC

-

AC

+

SAFETY CRITICAL PARTS

ORG

0V

VIO

120V

65 VAC

BRN

BLU

WHT

CT

0V

RED

65 VAC

BLK

AC

-

AC

+

E E

P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7 Y4

FOR AUDIO SCHEMATIC SEE

6BSST2 CHANNEL SCHEMATIC

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Title :
Date : Sheet : Rev :Drawn :

PHONE [phone] FAX [phone] WWW.BRYSTON.CA

6BSST2 PWR OVERVIEW SCParts

7

ST 11003

8

LTD

9

10

1

2

3

4

5

6

7

8

9

10

SST-2RCA PCB

R90

P4

2200u

DIFF

OFFSET

49K9

WB1

C15

R48

R126

29K4

7

VR1

10K

R55

-33V

+33V

INPUT

C13

220p

LOOP

499R

7K15

+

R39

499R

C22

10K0

R76

SG

R54

R50

SG

68p

R77

750R

R53

49K9

R49

2K21

R75

100K

R44

475K

Q26
PN100

PN200

Q24

R124

29K4

R45

10

9

R46

4K75

R47

15K0

4K75

C36 220p

U1C

COMP

4

+15V

6BSST-MB-R11 PCB

15K0

PN200

Q23

8

R61

C18

22p

D7

914

R42

100K

C12
100p

Q25

PN100

R43

100K

C11
100p

914

D8

C19

-33V

22p

+90V

CLIP INDICATOR

D12

914

604R

GLED

VR3

1K0

2N700

R40

Q22
PN200

C13

47p

R42

C19

4K75

100N

MUTE

RL1B

C15

47p

Q21

PN100

R41

R106
1K0

Q62

SG

SG

2N700

MUTE

2K21

C24 68p

47p

2K21

R99

5K11

Q61

+33V

1N4759

R57

1K74

PN100

VR2

1K0

BIAS

3K32

R58

C22

RLY+ RLY-

332K

Q27

PN100

D3

Q13

Q28

PN200

D2

1N4004

MUTE RLY

RL1C

BS107A

Q60

R66

100K

SST PWR RX PCB

PN200

Q17

C6

R9

22R1

+

499R

SG

J3

10

9
8
7
6
5
4
3
2
1

R28

T

SW4

THERMAL LIMIT

1K0

R27

C26
470p

R30

R36

R34

R32

1K0

1K0

499R

Q14

R16

499R

R26

1K0

Q12

PN100

1K0

1K5

Q16

C8

470p

R25

PN200

4K75

1K0

R38

R24

C2

150R

2K0

PN200

PN100
Q10

R31

1K5

R33

499R

C5

+

Q11

PN100

R100

R101

R102
R103

150K
348K

150K
348K

U2D

D80

1N914

Q63

2N700

2N700

Q64

D61

U2BU2A

+

C101

2u2

1N914

U2C

2K21
R63

RLED

R64

1K21

22R1

220p

1K0

C1

150R

R21

R23
R8

SG

220p

R22

MJE15031

R37

D3

Q19

BIAS

1K0
R29

R10

MJE15030

+15V

Q18

49R9

Q9

R3

R5

914

49R9

49R9

R6

49R9

Q2

Q6

R15

Q3

Q8

R18

R19

0R30

R20

MJL21193

MJL21194

R14

0R30

2uH

R11

L1

R16

0R30

Q4

MJL21194
MJL21193

Q7

R17

0R30

SG

0R30

Q1

Q5

D1

0R30

4R7 5W

R12

10R 3W

R13

0R30

0R30

RL1A

BLK WIRERED WIRE

OUTPUT

+90V

P 1

4004

D2

4004

-90V

TP1

TP2

MUTE RLY

C12

11
10

9
8
7
6
5
4
3
2
1

100N

J 1P3

BIAS TP

R15
100R

BP REDBP BLK

+90V

11
10

9
8
7
6
5
4
3
2
1

-90V

OUT

JS1

A A

INTPUTS

SST2-SWITCH R3 PCB

BAL

INPUT

SE

C1A

+

+

B B

SW1

+

+

C2A

475R
RG4

1K0

VR1

R1A

100R

100R

R3A

SG

PRO

RG2

1K0
3K01

ONLY

C3A

470p

C4A

470p

29dB

23dB

17dB

RG3

0

POLARITY

-180

SW3

GAIN

SW2

3

R2B

1

2

3

P5

J5

1

2

P1

J1

3
2
1

1+
1-

J1X

3
2
1

3
2
1

P2

P3

D2

BUF OUT
PWR IN

C3B

47p

R1B

20K0

20K0

R2C

R2D

R1C

20K0

20K0

R1D

20K0

20K0

J2

3
2
1

C3A

47p

3
2
1

J3

SG

SST-XLR-3 PCB

INPUT BUFFER (6dB)

R2

+33V

15K

15K

R3

R4

100K

100K

PN200

PN100

PN200

Q2

Q4

-33V

12

3

Q1

D1

914

914

PN200

R5

Q3

Q6

Q5

R7

R1

150R

D5

914

150R

914

D6

PN100

R6

150R

100N

SG

C5100N

SG

C6

JE182
Q7

914

D3

D4

914

Q8

JE172

C4

100N

R8

R9

68R

68R

FLEX

J4

5
4
3
2
1

INPUT - POLARITY - GAIN SWITCHES

C C

PWR TRANSFORMER

SAFETY CRITICAL PARTS

J2 CH1

1

A

2

B

3

C

INT F1

4

D

5

E

6

F

7

H

8

J

K

9

L

10

M

D D

11

N

12

P

13

MUTE

1415Q

R
16
17

T
18SU

EARTH/CHASSIS

GLED

F4A-250VF5A-250V

EXT F3

F4A-250VF5A-250V

EXT F4INT F3

BRN

TF 9BSST-7

120V

ORG

0V
BLK

120V

WHT

VIO

63 VAC

BLU
CT

RED

63 VAC

0V

RG97

100R

C60 100N

AC

AC

GND ISO REGULATORS

+

-

-90V

C44

10N

C45

10N

AC

AC

+

C42 10N

C43 10N

+90V

SG

Q80

-33v

MJE15031

R80

3K91

-

10,000uf

C1

+

10Ku

C2

C3

+

D80
1u5

+

+

1N4752

C80

1u5

C4

+

+

C90

1N4752

D90

3K91

R90

MJE15030

Q90

200R 2W

Q81

7915

C92

33u

33u
C82

Q91

200R 2W

7815

R82

+

+

R92

-15v

+15v

+33V

IN-

3

U1A

2

BUFF

TL064

BUFF

13 14

U1D

12

IN+

11

1

10K0

10K0

R78

6

R79

10K0

5

10K0

R80

U1B

-15v

RLED

E E

P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4

PHONE [phone] FAX [phone] WWW.BRYSTON.CA

6BSST2 CHANNEL SCHEMATIC

Title :
Date : Sheet : Rev :Drawn :

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1003

6

ST 1

7

LTD

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