Bryston 14BSST2 Cirquit Diagram

1

2

3

4

5

6

7

8

9

10

14BSST PS LED R1 PCB

PSW

RG

LED1
LED2

A A

RG

PART OF 14BSST2 BALIN R1 PCB

DLED1

LOCAL/REM

(local = open)

RG

SW3

GND

EXT CONTROL PWR ON

OUT

EXT12V

IN

LGND

G1R1R2

G2

GN/YL WIRE

P1

PWR

JA2

RGA

100R

JLED

1T

+

C4A

22,000/80

COA­100N

22,000/80

C6A

CR7

100N

CR6

100/50

7K31

CR4

100N

CR5

100N

CR2

100N
CR1

100N

RR2

7K31

+

100/50

RC1

20K

+

C1A

22,000/80

COA+
100N

22,000/80

C3A

20K

RC2

JA1

1234567

2G

2R

PWR

LEDG

Vrel

+

GND1

+

RR5

U5
LGR
LRD

Vdd

CR3

CR8

100N

GND1

+

JREM

1R

1G

9

11

13

16

HANDOFF RLY

1N4004

DRL

RT

20K0

DT

1N5228

+

CT

22/25

RU5

499R

1K

2K

10K

RST
Vdd
GND
POS2
POS1

JICSP

IC3 MOC3052

-

BR1

+

B B

C

RED WIRE

-43A

RR6

BRGA

D40

1N914

+65A

-65A

OA-

AC

AC

J1B

1C

1N4004

221R

CGA

100N

S

15

R

14

P

13
12

N

11

M

L

10

9

K

J

8

H

7

F

6

E

5

D

4

C

3

B

2

A

1

D3A

RR4

RD

QR2A

1N4004

LM337M

RC

C C

200R 2W

D4A

RA

QR1A

LM317M

RB

RR1

221R

D2A

1N4004

200R 2W

RR3

1N4004

D1A

J1A

15

+

OA+

S

14

R
P

13
12

N

11

M

L

10

9

K

J

8

H

7

F

6

E

5

D

4

C

3

B

2

A

1

-

+43A

+65A

YEL WIRE

D D

-65A

1M

BRA

CA2

CA3

10N

CA4

10N

AC

AC

CA1
10N

10N

RL2

JB2JB1

8

GND

Q1

PN100

R7
R8

R12

NC

LGR

6

7

8

6

7

LGR

8

6

4

DA

LRD

LOC

5

4

5

LRD

T1T2T3

2

3

4

2

3

T1T2T3

LOC

DC

1N4004DB1N4004

1

1

1N4004

JREM1

DD

1N4004

+

1

TRIG

Q5

IC5

REM

CA

2u2

LM317L

R4

1K

IC1 PIC16F818

TRD

1

RA2

2

GRN1

RA3

RED1

3

RA4

RST

4

RA5

GND

5

Vss

PWR

6

RBO INT

REM

7

RB1

LOC

8

RB2

ZCD

910

RB3 RB4

IC6 CNY17-4

ZERO CROSS

JTEST

RG1

22R

Q3

BTB 24800B

RA
RA
RA
RA
Vdd
RB7
RB6
RB5

CS

0.1uF

18
17

16
15
14
13
12
11

1N4004

D5

R9

JEXT1

RD2

U7

7805

510R 2W

RD1

RD3

510R 2W

CU3100N

510R 2W

RD4

510R 2W

U7

DD3

1N4749

+

CL
470u/25

2T

301K

DC3

1N5231

R33

2M

301K

C

1K0

DC6

1N5231

R42

1T

301K

DC8

1N5231

R34

R32

8
U2C

9

5

U2B

6

220p

C31

8
U4C

9

10

4011

10

DC10

1N5231

C'

MOC8100

1M

1K0
R44

301K

R40

5

U4B

6

C41

220p

Vdd

MUT
MON

LAT
TRIG

POS2
POS1
VS2

VS1

JP2

JP1

R11

49K9

CU1

100n

100p

SAFTY CRITICAL PARTS

30K 2W

R3

30K 2W

R2

470R 3W

F1

F1A

240V

120V

WHT WIR E

1N4004

DD2
DD1

+43A
+43B

1N4004

VLED

CU4100N

DM

CU2100N

+

470u/16

12

U2D

13

14

1

4

U2A

2

7

Q4

4K99

R38

12

U4D

13

14

4011

1

4

U4A

2

7

R48

4K99

R6

1K00

C4

VR3

JP3

MOM PSW

R5

VOLTAGE SELECT

XX

X

X

100V

120V

220V

240V

TX3 PWR SEL

JA

120v
240v

120v

33,000/6.3

CN1

+

+

4K99

1N5228

CM

11

VLED

3

11

VLED

3

Q4'

2K0

TX3

CN2

14BSST PSB SSB R5 PCB

1N914
DC4

DC5

1N914

R37

100R

2N5550

Vled

1N914

DC11

DC12

1N914

R47

100R

Vled

+

D3

1N4004

1N4004

BR3

ACAC

MUT

DM1

1N914

Q22N5550

DM2

1N914

TO MUTE RLYS

221R

R35

R36

100R

VR1G

221R

R45

R46

100R

VR2G

Q6

C2

100/16

1000/25

D1

D2

1N4004

1N4004

F2

+

-

1K0

1K0

C3

GND2

BR3

1M

1R

RC2B

20K

+

CH1 LED

22,000/80

COB+

1G

100N

22,000/80

2R

20K

CH2 LED

CR8B

100N
CR3B

100/50

RR2B

2G

CR1B

100N

CR2B

100N

VddVrel

CR5B

100N

CR4B

+

100N

+

+

22,000/80

22,000/80

10N

RM

2N5550

1KO

D4

RGB

100R

GND2

C3B

C1B

7K31

7K31

RR5B

100/50

CR6B

CR7B
100N

C6B

COB­100N

C4B

CB3
CB4

10N

+

+

+

CGB

100N

RC1B

GN/YL WIRE

J2A

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15

1N4004

221R

RR1B

RR4B

221R

1N4004

J2B

1
2
3
4
5
6
7
8
9

10
11
12
13
14

2T

15

+

BRB

AC

HB

AC

BRGB

AC

A
B

C
D
E
F
H

J

K
L

M
N

P
R

S

A
B
C
D
E
F
H

J

K
L

M
N
P
R

S

-65B

LM317

LM337M

AC

2M

-65B

OB+

YEL WIRE

+65B

D2B

QR1B

QR2B

D3B

-43B

-65B

OB-

RED WIRE

+65B

DC1

2C

1N914

-

LB

+

BR1B

-

+43B

D1B

1N4004

1N4004

D4B

CB1
CB2

10N

C'

10N

200R 2W

RR6B

200R 2W

RR3B

LA

HA

1

2

YEL
GRY
ORG
NC

WH
BRN
BLK

100V

2

3

CT

65 VAC

65 VAC

TF 7BSST R6

AC1

RED

BLU

VIO

JTX1

120V

BLK

100V

GRY

0V

WHT

120V

BRN

100V

YEL

0V

ORG

SAFTY CRITICAL PARTS

3

CHANNEL 1

TX1+2 HOOKUP

PRIMARY HOOKUP

E E

240V

ORG
NC
YEL
BRN
WHT
GRY
NC
BLK

1

YEL
NC
ORG
BRN
WH
GRY
NC
BLK

PIN

1
2
3
4
5
6
7
8

120V

ORG
WH
YEL

NCNCNC
GRY
BRN
BLK

220V

TX1 PRIMARY

XX

TX1 120V HOOKUP

4

BLK

220/240V-2 X 4A
120V-2 X 6A
100V-2 X 7A

BRN

PPR

A/C HI

L

POWER INLET

VIO

BLK

VIO

B1

5

WHT

A/C LO

N

G

6

TX2 PRIMARY

XX

JTX2

120V
100V

0V
120V
100V

TX1 240V HOOKUP

0V

BLK
GRY

WHT
BRN
YEL

ORG

1

2

3

CT

RED

65 VAC

BLU

VIO

TF 7BSST R6

CHANNEL 2

AC1B

65 VAC

SAFTY CRITICAL PARTS

14BSST2 PWR OVERVIEW SCParts

sheet 1date: 1003 ST

7

8

9

10

1

2

3

4

5

6

7

8

C18b

R44b

4K75

B3

R46b

15K0

R47b

15K0

4K75

SECTION 'B'

CINb

1M0

220p

GND

CIN

1M0

220p

SECTION 'A'

R44

4K75

R47

R45

4K75

90K9

-33vA

22p

914

D7b

Q22b
PN200

R42b

100K

C16b

100p

Q25b
PN100

Q23b

PN200

C17b

100p

R43b

100K

PN100

D6b

914

C19b
22p

R52

4K75

C18

22p

914

D7

R42

R46

100K

15K0

Q25

PN100
Q23

PN200

C17
100p

15K0

100K

D6

914

C19
22p

XLR COMBO R1 PCB

+33vB

12

3

1+

1-

123

123

INPUT SW

SW1F

GND

G1B

SW1D

G1U

SW1E

234

5

987

61

10

J1X

P1

J1

PART OF 14BSST2 BALIN R1 PCB

BAL

SE

+33vC

-2

-

A1

+

R1

100R*

-33vC

C1

RA

470p

1MEG

C2

RB

470p

1MEG

+33vC

R2

100R*

-

A2

+

-33vC

JS1

CLIP

GND

GAIN SW

RA1

1K37

SW2F

4K32

RA3

GND

REG ONLY

RA2
1K37

RA4

SW2E

4K32

+15v

C103

100N

8

914
D100

U1C

3C8

C119 220p

2u2

GND

Q26b

PN100

Q24b

PN200

REG ONLY

RA7

RA8

1K00

1K00

29dB

23dB

RA5

RA6

R0
RJ1

VR1A

1K0

PRO ONLY

475R

475R

PRO ONLY

VR1B

1K0

RJ3
R0

REG ONLY

-33vC

CA1
100N

CA2

100N

SHIELDED CABLE

J3A

+33vC

R49b

2K21

R45b

-33vB

R50b

-33vC

P3

12345

B1

A1

+33vC

R50

+33vA

R49

2K21

R135

R136

100K

750R

4

100K

9

R134

COMP

10

R133

10K0

GND

R129

10K0

5

10K0

7

DIFF

R130

6

U1B

R131

R132

10K0

10K0

CLIPPING DECTECTOR

1

U1A

U1 TL064

U1D

14

C104

100N

GND

2

29K4

BUFF

R124

3

13

BUFF

12

11

-15v

82K5

+33vA

Q26

PN100

CC1

PN200

220p

Q24

R125

29K4

R54

475K

VR1

R55

R53

10K

A A

B B

C C

14BSST MBD R2 PCB

R38b

2K21

B8

R39b

C13b
47p

C22b

68p
C14b
100N

RFBb
C15b

47p

CFB

GND

2200u

Q21b

R41b

R38

PN200

C16
100p

R43

PN100

GND

1T

2K21

R52b

4K75

+33vC

D2

RL1

+33vA

1N4004

R144
2K43

+65v

2K21

Q22

47p

C13

C22

68p

C14

100N

CFBb

C15

2200u

47p

Q21

2K21

R41

R102

200R

-43v

R141
1K65

-33vC

+15v

RFB

7K15*

536R

+

+

R58b

1K65
R140

R101
200R

-33vA

7K15*

R39

536R

C102 100N

D102

1N4752
D104
1N4744

-15v

R57b

1K74

Q20b

1K0

VR2b

4K42

C101 100N

C30A

100N
1K65
R30A

D40A
C40A 100N

1K74

1K0

4K42

R58

GND

C30B 100N

D30B

914

PN100

Q28b

PN200

VR2

GND

D3b

C26b

D103

1N4744

1N4752

D101

D30A
1N4752

1N4752

R40A

914

R57

Q20
PN100

1N4752

68p

1K65

PN100

D3

C27
68p

D40B
1N4752

68p

+43v

CLIP

-65v

Q27

GND

Q28

PN200

C26
68p

+43v

R30B
1K65

+33vA

C40B 100N

-33v B

Q27b

R40B
1K65

C27b

PN100

GND

+65v

J3B

10

B13

9

B14

8

B17

7
6

B9

5
4

B22

3

B23

2

MUT

1

J2B

J4B

-43v

J3A

10

A15

9

A16

8

A19

7
6

A9

5

A18

4

A20

3

A21

2
1

TMP

J2A

J4A

-65v

BIAS TEST POINTS

J6

RS1

RS2

RS3

RS4

10K0

10K0

10K0

10K0

4E

OUT-V7E

J3

P1
P3
B1

GND

B2
POUT
M3
M1

MUT

1T

T

SW1

J2

+43v

D3

A

1N914

R37

2K0

Q19

B

R38

JE182

4K75

GND

CLIP

+65v

J4

-43v

GND

K

-65v

J3

J2

J4

SST PWR MB R11 PCB

R28

R25
C7

470p

R26

R27

C8

470p

R30

R29

SST PWR MB R11 PCB

Q12

P4

5550

R32

GND

1K0

1K0

1K0

1K0

1K0

1K0

GND

1K5

R24

1K0

150R

5400
Q16

C2 220p

R35

301R

R36

301R

5550

C1

Q10

220p

150R

R23

1K0

R31

1K5

5400

M44EM5 M9

Q14

SECTION B

470/16

Q17
5400

49R9

301R

R3

R34

MJE15031

Q18

R22

R5

49R9

R10

49R9

MJE15030

Q9

R21

R6

301R
R33

49R9

Q11

5550

C5

+

470/16

C6

Q2

MJL21193

R8

22R1

+

0R2 5W

Q8

0R2 5W

Q1
MJL21193

MJL21194

MJL21194

22R1

R9

R19

R20

0R2 5W

MJL21194

MJL21194

Q5

Q6

R15

0R2 5W

0R2 5W

R16

Q4

Q3

Q7

MJL21193

MJL21193

R18

R17

0R2 5W

-60vA

0R2 5W

0R2 5W

WP1

+43vA

1N4004

R14

OUT

R13

D1

D2

1N4004

WP2

CLIP

+65v

GND

L1 2uH

10R 3W

R12

R11

4R7 5W

GND

J1

S
15
R
14

1T

TO 14BSST PSB SSB R5 PCB - J1B TO 14BSST PSB SSB R5 PCB - J1A

P
13
N
12
M
11
L
10
K
9
H
8
H
7
F
6
E
5
D

-65v

4
C
3
B
2
A
1

-43vA

SECTION A

J1

S
15
R
14
P
13
N
12
M
11
L
10
K
9
H
8
H
7
F
6
E
5
D
4
C
3

MUT

B
2
A
1

D D

P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE [phone] FAX (705 ) 742-0882 WWW.BRYSTON.CA

1

14BSST2 CHANNEL SCHEMATIC

LTD

File : Sheet : of

1003

Date :

2

14BSST2 CHANNEL SCHEMATIC

C

Size :

1

Rev :Drawn :

ST

3

4

5

6

7

8