Bryston 2.5B SST2 Cirquit Diagram

1

1

2

2

3

3

4

4

D D

C C

B B

A A

Title

Number RevisionSize

A4

Date: 10-02-2013 Sheet of
File: Z:\2.5BSST\..\2.5BSST2 Channel Mute Schematic.SchDocDrawn By:

D3

+

RL3

C93401

+5V STBY

12345

J10

Q3
A42

GND

R60
1k5

+

RL7C

+

RL8C

T

SW1
802L-80

T

SW1
802L-80

RLY-

MUTE

QM

455TA

DMT

24V

RM1

10k0

RM2

499R

+

CT

100uF/50V

RRL

100R

2LG

+60V

1LG

+33V

From PIC

B135 2BSST CH B PSB R1B135 2BSST CH A PSB R1 B135 2BSST 875 CH B

B135 2BSST 875 CH A

2.5BSST2 IN OUT SM

1
2
3

J1

1

2

3

J2

12345

J3

MUTE

52

63

41

LED1

5 2

6 3

4 1

LED2

R1

R2

R3

R4

R5

R6

LED COLOR OPTION

123

2.5BSST2 LED PWR SW

2.5BSST2 START BOARD

RLY-

RL-

RL+

RL+

TEMP2

TMP TEMP1

RLY+

RLY++

2.5BSST2 CHANNEL MUTE OVERVIEW SCHEMATIC

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

1P2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

J1

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

J2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

1P1

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

1P1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

J1

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

J1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

1P2

123

JLED2

123

JLED1

RLY+RLY-

RL+

CH MUTE RELAYS

CO1P1

PI1P101
PI1P102
PI1P103
PI1P104
PI1P105
PI1P106
PI1P107
PI1P108
PI1P109
PI1P1010
PI1P1011
PI1P1012
PI1P1013

PI1P1014

PI1P1015
PI1P1016

PI1P1017

PISW101 PISW102

COJ2

PIJ201
PIJ202
PIJ203
PIJ204
PIJ205
PIJ206
PIJ207
PIJ208
PIJ209
PIJ2010
PIJ2011
PIJ2012
PIJ2013

PIJ2014

PIJ2015
PIJ2016

PIJ2017

PIRL801

PIRL8012

CORL8C

PIRL7012

CORL7C

PIRL701

PIR6001

COR60

PIR6002

PIJ101
PIJ102
PIJ103
PIJ104
PIJ105
PIJ106
PIJ107
PIJ108
PIJ109
PIJ1010
PIJ1011
PIJ1012
PIJ1013

PIJ1014

PIJ1015
PIJ1016

PIJ1017

PI1P101
PI1P102
PI1P103

PI1P104

PI1P105
PI1P106

PI1P107

PI1P108

PI1P109
PI1P1010

PI1P1011

PI1P1012
PI1P1013
PI1P1014
PI1P1015
PI1P1016
PI1P1017

PIJ101
PIJ102
PIJ103

PIJ104

PIJ105

CODMT

PIDMT01

PIQM01

PICT02

PIJ106

PIJ107

PIQM03

PIJ108

COQM

PIJ109
PIJ1010

PIQM02

PIJ1011

PIJ1012
PIJ1013
PIJ1014
PIJ1015
PIJ1016
PIJ1017

PIRM102

CORM1

PIRM101

PIDMT02

PIRM201 PIRM202

CORM2

COJLED2

PICT01

COCT

PIJLED201 PIJLED202 PIJLED203

PI1P201
PI1P202
PI1P203

PI1P204

PI1P205
PI1P206

PI1P207

PI1P208

PI1P209
PI1P2010

PI1P2011

PI1P2012
PI1P2013
PI1P2014
PI1P2015
PI1P2016
PI1P2017

PISW101 PISW102

COSW1

CO1P2

PI1P201
PI1P202
PI1P203
PI1P204
PI1P205
PI1P206
PI1P207
PI1P208
PI1P209
PI1P2010
PI1P2011
PI1P2012
PI1P2013

PI1P2014

PI1P2015
PI1P2016

PI1P2017

COJ1

PIJ101
PIJ102
PIJ103
PIJ104
PIJ105
PIJ106
PIJ107
PIJ108
PIJ109
PIJ1010
PIJ1011
PIJ1012
PIJ1013

PIJ1014

PIJ1015
PIJ1016

PIJ1017

COJLED1

CORRL

PIRRL01

PIRRL02

PIJLED101 PIJLED102 PIJLED103

PIJ203
PIJ202
PIJ201

COR1

COR2

COR3

COLED2

PILED204

PIR101PIR102

PILED205

PIR201PIR202

PILED206

PIR301PIR302

PILED201

PILED202

PILED203

COJ3

COJ10

COS1

PIJ1001 PIJ1002 PIJ1003 PIJ1004 PIJ1005

PIS101PIS102PIS103

PIJ301PIJ302PIJ303PIJ304PIJ305

COLED1

PILED101

PILED104

PILED102

PILED105

PILED103

PILED106

PIR401 PIR402

COR4

COR5

PIR501 PIR502

PIR601 PIR602

COR6

PIJ101
PIJ102
PIJ103

PIQ301

PIRL309

PIRL3011

PIRL3013

PIRL3016

PIQ303

COQ3

PIQ302

PID301 PID303

COD3

PIRL308

CORL3

PIRL306

PIRL304

PIRL301

1

2

3

4

5

6

7

8

9

10

FID1

A A

FIDUCIAL

FID2

FIDUCIAL

FID3

B B

FIDUCIAL

RightSide

10K

SG1

C C

10K

D D

E E

1

*

DGN

GAIN

23db

SW3

R65

1k5

D2

+

RL2C

+

RL9C

D9

STEREO

MODE

SW2

MONO

SE

INPUT

SW1

BAL

CM2

47N

NC

J2

1
2

CHA

5K

5K

SG1

SG1

pwr amp

100K

GSPK

buffer

3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

NC

RLD

NO

NO

pwr amp in
buffer amp out

RL8A
RL8B

RLC
RL­RL+

2++

2-­PIN2

OUT 2

OUT2 OUT1

PG2 PG1

68uF/10V

BP3

BP4

TGND TGND

W1

TUNING LOOP

2

3

R62

D1 D10

+

+

RL1C

R66

D3

+

RL3C

R61

1k5

D5 D6

+

RL5C

R60

1k5

D7 D8

+

RL7C

2+

2-

2BO 1BO

2B1

1k1*

R6A

NC

NC
NO

NO

RL1A
RL1B

2B2

R6C

1k3*

D

A

U1

10uF/35V

B2- B2+ B1+B1-

RL10C

D4

+

RL4C

NO

+

RL6C

S2-

NC

+

RL8C

CB1

470pF*

1k1*

R6B

NC

NC
NO

NO

RL2A
RL2B

2B3

R6D

1k3*

R3V

1k5*
1k5*

R2V

CA

+

C1

1k5

1k5

+

RC

1k0

LM317LBDG

4

3

JXL2

212223

123

123

RL6A

NC

NO

RL4B

B2--

R2S

100R*

2B4

NC

10k0*

REG3B

DD

+

-

DFO4S

CH2

21

JBAL2

JBL2

NO

S2+

NC

SG2

RL3B

NO

V1A

REG3A

V2A

0R0

V2B

10K

VR2

V2

AC

AC

5

NC

RL4A

B2++

100R*
CB2

470pF*

SE2

RL6B

NO

R2T

NC

JSE2

JSE2

RL3A

NO

V1B

10k0*

REG2B

T1
T2
T3

B
C

G2

12345

12345

0R0

REG2A

10K

P2A

P2B

PSE2A
PSE2B

RL5B

470pF*

VR1A

VR1B

JEXT

1
2
3
4

J TRG

NO

1+
1-

100R*

CA1

0R0

REG1A

10K

IN

REM TURN ON

OUT

TO START PCB

6

JXL1

11 12 13

123

123

NC

R1S

X

231

1B4

JBAL1

10k0*

CH1

JBL1

REG1B

NO

1k5*

R1V

100R*

CA2
470pF*

1k1*

R3

RL9A
RL9B

NC

NC
NO

NO

SE1

NC

R1T

RL5A

B1++

B1--

SG1

JSE1

G1

JSE1

P1A

12345

12345

P1B

PSE1A
PSE1B

SG1

LeftSide

CM1 47N

RL7A

NC

NC

RL7B

J1

RLA

NO

NO

1B2

1k1*

R5

RL10A
RL10B

NC

NC

1B3

NO

NO

R4

1k3*

Title :

File :
Date :

+

C1A

68uF/10V

BP2

1B1

BP1

R6
1k3*

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

2.5BSST2 IN OUT SM R1

2.5BSST2 IN-OUT SM R1
Nov 2012

7

1

RLB

2

RL-

3

1++

1--

PIN1

RL+

4

TMPTMP

5
6
7
8
9
10
11
12
13
14
15
16
17

GSPK

CHB

SG1

pwr amp

SG1

10K

SG1

5K

5K

buffer

10K

100K

SH1

W2

TUNING LOOP

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

11

Sheet : of Rev :

Drawn :

8

9

1

DGN

LTD

10

29db

1

2

3

4

5

6

7

8

9

10

A A

254PW03E0140-S1F2H

J3

123

B B

OPP-03-01-T-S-E-AD

C C

J2

MUTE 1LG

1

2R

2
3

R2

R1

R3

1K0

5K49

24K9

R4

526341

LED2

COM
GREEN
BLUE

S1

123

5K49

R6

R5

24K9

1K0

526341

LED1

J1

3

1R

2

1G2G

1

OPP-03-01-T-S-E-AD

SHUNT 2POS

SHUNT1

ST1

SMTSO-116-12

ST2

SMTSO-116-12

FID1

FIDUCIAL

FID2

FIDUCIAL

FID3

FIDUCIAL

TSW-103-07-G-S

LED COLOR OPTION

Blank PCB

2.5BSST2 LED PWR SW R1 PANEL

SW1

JPWR

D D

UB26

CO-IPBT-102-H1-T-S

E E

P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE [phone] FAX [phone] WWW.BRYSTON.CA

Title :

LTD

Rev :

2.5BSST2 LED PWR SW R1

File : 2.5BSST2 LED PWR SW R1.SCH Sheet : 1 of 1
Date :

1

2

3

4

5

6

7

12-18-2012

8

Drawn :

9

Size :

A

1.0

10

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

E E

D D

C C

B B

A A

LTD
P.O. BOX 2170, 677 NEAL DR. PE TERBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE [phone] FAX [phone] WWW.BRYSTON.CA

Date :

Size :

A

04-17-2013

File : 2.5BSST2 LED PWR SW R2..SchDoc Sheet : 1 of 1

Rev :

Drawn :

2.0

Title :

2.5BSST2 LED PWR SW R2

1

2

3

J1

OPP-03-01-T-S-E-AD

1
2
3

J2

OPP-03-01-T-S-E-AD

12345

J3

254PW05E0140-S1F2H

1R

1G2G

2R

COM

MUTE 1LG

526341

LED1

526341

LED2

R1

5K49

R2

1K0

R3

24K9

R4

5K49

R5

1K0R624K9

FID1

FIDUCIAL

FID2

FIDUCIAL

Blank PCB

2.5BSST2 LED PWR SW R2 PANEL

LED COLOR OPTION

SW1

UB26RKG03N-B

FID3

FIDUCIAL

ST2

KFE-143-10ET

ST1

KFE-143-10ET

123

S1

TSW-103-07-G-S

SHUNT1

SHUNT 2POS

GREEN
BLUE

REVISIONS

R1: PROTOTYPE
R2: CHANGED J3 TO 5PIN CONNECTOR

RESPECIFIED SWITCH SW1 TO LOW CURRENT VERSION
RESPECIFIED STANDOFFS TO BROACHING TYPE
ADDED MATERIAL AROUND STANDOFFS TO MEET

0.22" HOLE TO EDGE CLEARANCE

COSW1

PISW103

PISW106

PISW101

PISW104

PISW102

PISW105

COJ2

PIJ201

PIJ202

PIJ203

PIR102

PIR202

COR2

COR1

PIR101

PIR201

PILED204 PILED205

PILED201 PILED202

PIR302

COR3

PIR301

PILED206

COLED2

PILED203

COJ3

PIJ301PIJ302PIJ303PIJ304PIJ305

PIS101PIS102PIS103

COS1

PIR402

COR4

PIR401

PILED104

PILED101

PIR502

PIR602

COR6

COR5

PIR501

PIR601

PILED105

PILED106

COLED1

PILED102

PILED103

PIJ103

PIJ102

PIJ101

COJ1

COST1

PIST101

COST2

PIST201

COFID1

COFID2

COFID3

COPCB1

COSHUNT1

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D D

C C

B B

A A

Title

Number RevisionSize

D

Date: 04-04-2013 Sheet of
File: Z:\2.5BSST\..\2.5BSST2 Overall Schematic.SchDocDrawn By:

QB1

2SC3324

QB2

2SC3324

QB6
2SC3324

QB5
2SA1312

QB4

2SA1312

QB3

2SA1312

QB8

2SA1312

QB7
2SC3324

RB10

150R

RB11

150R

RB7

10k0

RB8

115k

RB12

68R1

RB13

68R1

DB3

1N914

DB4

1N914

DB1

1N914

DB2

1N914

CBF
47pF

CB5

.1uF*

SG

+24V B

-24V B

R44

150k

R47

49k9

R45

150k

R46

49k9

T

SW1

802L-80

R33

10k0

R34

10k0

R35

10k0

R36

10k0

R37
10k0

R38

100k

R39

475R

R40

1k0

R41

20k0

R43

5k62

R42

5k62

D40
1N914

D41

1N914

D42

1N914

DP1

9.1V

DP2

9.1V

DP4

18V

DM1

9.1V

DM2

9.1V

DM3

18V

CM3

.1uF

CP3

.1uF

CP4

.1uF

C31
220pF

CP1
.1uF

CP2
.1uF

CM1
.1uF

CM2
.1uF

LG

U1C

U1D

C30

220pF

U2A

IC-MC14011BDR2G

U2B

U2C U2D

VR2

100K

TO LED's

+24V A

-24V A

-24V B

+24V B

Q7

2SC3324

Q8

2SC3324

Q4
5551

Q14
A42

Q11
2SC3324

Q9

2SA1312

Q10

2SA1312

Q5
2SA1312

Q12
5401

Q3
A92

VR1

10K

VR3
1K

R31

29k4

R32

29k4

R20

2k21 *

R12

15k0

R13

15k0

R24

4k75

R25

1k5

R6

1k5

R8

100k

R7

4k75

RM1

29k4

RP1

29k4

ROF

475k

C14
220pF

C9

100pF

C10

100pF

C15
220pF

R21

100k

D7
1N914

D8

1N914

RF2

1k1*

+

CF2

2200uF

CIN2
220pF*

SG

WB1

TUNING LOOP

Q6
JE172

R9

2k21 *

R10

5k62

D5

1N914

C13

.1uF

-24V A

+24V A

-24V A

R15

1k0

R16

267R

R22

1k0

R23

267R

C5
1nF

C6

1nF

CF1

100pF*

C11

220pF

RF1

14k7*

R28

100R

R29
22R1

R27

100R

R26

475R

R2

475R

R3
100R

R4

22R1

R1

100R

RT1

10k0

RT2

10k0

RT3

10k0

RT4

10k0

+C3470uF

+

C7

470uF

RL1

5R1

COUT
100N

L1
2uH

C4
47pF

C8
47pF

Q13
MJE15030

Q2
MJE15031

Q1
MJL21193

Q15

MJL21194

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

1P2

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

1P1

TEMPMUTE

DIFF

COMP

BUFF

BUFF

TEMP2

RLY-

RLY+

RLYA

RLYB

+IN

-IN

PREO

PWRIN

POUT

SG

RMU

4k75

+55V

RED

GRN

RLY-

-55V

PGND

LG

DM7

1N914

DM8

1N914

12138

9

10

1

2

3

5

6

4

8910

4

7

6

5

1

14

13

12

2

3

11

11

7

14

RPP

10R

RMM

10R

D3

1N914

D4

1N914

CC1

470pF

IN+

IN-

RB14

49R9

RB5

10k0

RB6

115k

RB9

150R

RIN

100K*

U1A

U1B

J31

J32

J34

J35

1

2

3

4

5

JB

TP1

TP2

J31

J32

J33

J34

J35

+

CIN1

68uF/10V

SG

+15

-15

LG

SG

SG

SG

SG

+15

+15

-15

-33

+33

RLYB

RLYA

-55V

+55V

RLY+

RLY-

CLIPPING INDICATOR CIRCUIT

+

CM4

100uF/35V

SG

+

CP5

100uF/35V

SG

BIAS TP

LG

MUTE

-33V

+33V

-33V

+33V

SG

LG

CB4

22pF

CB1

22pF

CB2
22pF

CB3
22pF

MUTE

RLY+

RB1

4k99 *

RB2
4k99 *

RB3

4k99 *

RB4

4k99 *

RB15

4k99 *

RB16

4k99 *

CLIP

SH1

PR1

0R12

PR2

0R12

PG

PG

D1

D2

* Denotes Film Caps or Thin Film Resistors

* Denotes Film Caps or Thin Film Resistors

R17

100R

C6 100N

Q1

MJE15030

D2

R1

3k83

D1

30V

+

C1

33uF/35V

Q2

MJE15031

D4

R3

3k83

D3

30V+C3

33uF/35V

R11

10R

R10

10R

CHASSIS

WRP

WBM TXCT

+

C3A

100uF/50V

+

C1A

100uF/50V

+55v

-55

1PG

+33

-33

1GN

1RED

+55

TO TX SECONDARY

CH

RSG

0R

RLG
0R

1SG

1LG

BR1

+

-

1PG

123

JLED1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

J1

RBM

20k0

RBP

20k0

RRL

100R

B135 2BSST CH B PSB R1

RLY+

JPW1 USED WITH B100 ONLY

-55v

RJ
0R

1
2
3
4
5
6
7
8
9
10
11
12

JPW1

GLED
RLED

+

CP 15,000U/63v

+

CM

15,000U/63v

R17

100R

Q1

MJE15030

D2

Rect SMD

R1

3k83

D1

30V

+

C1

33uF/35V

Q2

MJE15031

D4

Rect SMD

R3

3k83

D3

30V

+

C3

33uF/35V

R11

10R

R10

10R

CHASSIS

WRP

WBM TXCT

+

C3A

100uF/50V

+

C1A

100uF/50V

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

J1

+

CP

15,000U/63v

+55

-55

2PG

+33
2SG

-33

RLY-
2GN
2RED

+55

CH2 TX SECONDARY

CH

RJ

0R

RSG

0R

RLG

0R

MUTE

RBM

20k0

2LG

+

-

123

JLED2

RBP

20k0

QM

455TA

DMT
24V

RM1

10k0

RM2

499R

CT

+

CT

100uF/50V

JPW2 USED WITH B135 ONLY

1
2
3
4
5
6
7
8
9
10
11
12

JPW2

2RED

2GN

GND ISOLATOR

BR1

C6

100N

+

CM

15,000U/63v

B135 2BSST CHA PSB R1

QB1

2SC3324

QB2

2SC3324

QB6
2SC3324

QB5

2SA1312

QB4

2SA1312

QB3

2SA1312

QB8

2SA1312

QB7

2SC3324

RB10

150R

RB11

150R

RB7

10k0

RB8

115k

RB12

68R1

RB13

68R1

DB3

1N914

DB4

1N914

DB1

1N914

DB2

1N914

CBF
47pF

CB5

.1uF*

SG

+24V B

-24V B

R44

150k

R47

49k9

R45

150k

R46

49k9

R33
10k0

R34

10k0

R35

10k0

R36

10k0

R37

10k0

R38

100k

R39

475R

R40

1k0

R41

20k0

R43

5k62

R42
5k62

D40

1N914

D41

1N914

D42

1N914

DP1

9.1V

DP2 9.1V

DP4

18V

DM1 9.1V

DM2 9.1V

DM3 18V

CM3

.1uF

CP3

.1uF CP4

.1uF

C31

220pF

CP1

.1uF

CP2
.1uF

CM1
.1uF

CM2
.1uF

LG

U1C

U1D

C30

220pF

U2A

4011

U2B

4011

U2C

4011

U2D

4011

VR2

100K

TO LED's

+24V A

-24V A

-24V B

+24V B

Q7

2SC3324Q82SC3324

Q4
5551

Q14
A42

Q11

2SC3324

Q9

2SA1312

Q10
2SA1312

Q5

2SA1312

Q12

5401

Q3

A92

VR110K

VR3
1K

R31

29k4

R32

29k4

R20

2k21 *

R12

15k0

R13

15k0

R24

4k75

R25

1k5

R6

1k5

R8

100k

R7

4k75

RM1

29k4

RP1

29k4

ROF

475k

C14

220pF

C9

100pF

C10

100pF

C15

220pF

R21

100k

D7

1N914

D8

1N914

RF2

1k1*

+

CF2

2200uF

CIN2
220pF*

SG

R9

2k21 *

R10

5k62D51N914

C13

.1uF

-24V A

+24V A

-24V A

R15

1k0

R16

267R

R22

1k0

R23

267R

C5

1nF

C6

1nF

CF1

100pF*

C11
220pF

RF1

14k7*

R28

100R

R29

22R1

R27

100R

R26

475R

R2

475R

R3

100R

R4

22R1

R1

100R

PR1

0R12

RT1
10k0

RT2

10k0

RT3

10k0

RT4

10k0

+

C3

470uF

+

C7
470uF

D1

D2

RL1

5R1

C4

47pF

C8

47pF

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

1P2

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17

1P1

TEMPMUTE

DIFF

COMP

BUFF

BUFF

TEMP1

RLY-

RLY+

RLYA

RLYB

+IN

-IN

PREO

PWRIN

SG

RMU

4k75

RED

GRN

RLY++

LG

DM7
1N914

DM8
1N914

12138

9

10

1

235

6

4

8910

4

7

6

5

1

14

13

12

2

3

11

11

7

14

RPP

10R

RMM

10R

D3

1N914

D4

1N914

CC1

470pF

IN+

IN-

RB14

49R9

RB2
4k99 *

RB3

4k99 *

RB5

10k0

RB6

115k

RB4

4k99 *

RB9

150R

RIN

100K*

RB15

4k99 *RB16

4k99 *

U1A

U1B

RB1
4k99 *

J31

J34

J35

1
2
3
4
5

JB

TP1

TP2

J32

J33

J34

J35

+

CIN1

68u

SG

+15

-15

SG

SG

SG

SG

+15

+15

-15

-33

+33

RLYB

RLYA

RLY+

RLY-

CLIPPING INDICATOR CIRCUIT

+

CM4

100uF/35V

SG

+

CP5

100uF/35V

SG

BIAS TP

LG

-33V

+33V

-33V

+33V

SG

LG

CB4
22pF

CB1
22pF

CB2
22pF

CB3

22pF

POUT

POUT

PG

PG

MUTE

MUTE

+55V

-55V

RED

GRN

COUT 100N

L1 2uH

PR2

0R12

WB1

TUNING LOOP

Q1

MJL21193

T

SW1
802L-80

Q13

MJE15030

Q2

MJE15031

Q6

JE172

Q15

MJL21194

* Denotes Film Caps or Thin Film Resistors

J32

J31

TO J1 ON B135 2BSST CH B PSB R1 PCB

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

J2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

J1

VR1A

10K

R3V

1k5*

OUT 2

TMP

TMP

1BO

PIN1

PG2

PG1

OUT2

OUT1

RL+

RL-

RLB

RLA

PIN2

2++

2--

RL+

RL-

RLC

RLD

NO

NC

RL8A

R1V

1k5*

REM TURN ON

T2

T3

+

-

AC

AC

DD

DFO4S

RC

1k0

+

CA
10uF/35V

IN

TO START PCB

A

B

J TRG

CM1 47N

1
2
3

JBAL1

11 12 13

1
2
3

JBAL2

21

22

23

REG1B

10k0*

SG2

NO

NC

RL4B

NO

NC

RL4A

JXL2

CH2

JXL1

CH1

3

2 1

2

3

1

R2T

100R*

R2S

100R*

R1T

100R*

R1S
100R*

1

2

3

JBL2

1

2

3

JBL1

1--

VR1B

10K

BP3

BP4

BP2

BP1

U1

LM317LBDG

C

D

SG1

R65

1k5

CM2

47N

CA2

470pF*

CA1

470pF*

CB1

470pF*

CB2

470pF*

REG2B

10k0*

R3

1k1*

R4

1k3*

R5

1k1*

R6

1k3*

SG1

R6A

1k1*

R6C

1k3*

R6B

1k1*

R6D

1k3*

NO

NC

RL1A

NO

NC

RL9A

NO

NC

RL10A

NO

NC

RL2A

+

RL2C+RL1C

NO

NC

RL5B

NO

NC

RL5A

INPUT

+

RL5C

NO

NC

RL7A

+

RL6C

R60

1k5

R61

1k5

R62

1k5

+

RL7C

+

C1A
68uF/10V

+

C1
68uF/10V

+

RL8C

1++

OUT

+

RL9C

+

RL10C

1B1

NO

NC

RL6B

NO

NC

RL6A

NO

NC

RL1B

NO

NC

RL2B

NO

NC

RL9B

NO

NC

RL10B

NO

NC

RL8B

NO

NC

RL7B

MODE

GAIN

JSE2

1 2 3 4 5

P2A

JSE2

G2

1 2 3 4 5

P2B

PSE2B

JSE1

1 2 3 4 5

P1A

JSE1

G1

1 2 3 4 5

P1B

PSE1B

PSE2A

PSE1A

pwr amp in

buffer amp out

+

RL4C

R66

1k5

VR2

10K

NO

NC

RL3B

NO

NC

RL3A

+

RL3C

REG2A

0R0

REG1A

0R0

R2V

1k5*

REG3A

0R0

REG3B

10k0*

29db 23db STEREO MONO BALSE

D2D9

D1

D10

D3

D4

D5D6D7

D8

1
2
3
4

JEXT

W1

TUNING LOOP

W2

TUNING LOOP

SH1

TGND

123

J1

123

J2

1

2

3

4

5

J3

1R

1G 2G

2R

COM

MUTE1LG

5 2

6 3

4 1

LED1

5 2

6 3

4 1

LED2

R1

5K49

R2

1K0

R3

24K9

R4

5K49

R5

1K0

R6

24K9

SW1

POWER SWITCH

1

2

3

S1

LED OPTION JUMPER

GREEN

BLUE

2.5BSST2 LED PWR SW R2

2.5BSST2 IN OUT SM R1

BRT1

GN/YL

BLK -

BLU

RED +

VIO

RED

BLU

P1

BRT2

GN/YL

BLK -

BLU

RED +

VIO

RED

BLU

P2

C1C2

10nF 500V X4

C3

C4

C5

C6

10nF 500V X4

C7 C8

TE CORCOM

10EGG1-1

*POWER ENTRY MODULE*

WITH EMI/RFI FILTER AND FUSE

RED

VIO

BLU

BLK

ORN

BRN

WHT

GRY

YEL

*TF2*

TF-2BSST-5

*SAFETY CRITICAL COMPONENTS*

RED

VIO

BLU

BLK

ORN

BRN

WHT

GRY

YEL

*TF1*

TF-2BSST-5

CHASSIS

CHASSISCHASSISCHASSIS

2.5BSST2 START BOARD R1

LINE FUSE VALUES

100V/120V

220V

240V

6.3A 250V FAST 5X20MM GLASS

4A 250V FAST 5X20MM GLASS

3.15A 250V FAST 5X20MM GLASS

LINE VOLTAGE FUSE RATING

TX PRIMARIES

2.5BSST2 OVERALL SCHEMATIC

TX SECONDARIES

B135 2BSST 875 CH B R1

B135 2BSST 875 CH A R1

POWER TRANSFORMERS

SE AND BAL INPUTS

RIGHT CHANNEL

LEFT CHANNEL

TO J1 ON B135 2BSST CH A PSB R1 PCB

TO 1P2 ON B135 2BSST 875 CH A R1

TO J1 ON B135 2BSST CH A PSB R1 PCB

GN/YLBLK - BLURED +

GN/YLBLK - BLURED +

B135 2BSST CHA PSB R1

TO

B135 2BSST CHB PSB R1

TO

*CAC*

0.1u

+

*CF1*

+

*CF2*

+

*CF3*+*CF4*

ORG

YEL

BRN

WHT

GRY

*J1*

100

*J2*

100-220

*J3*

120-240

*J4*

120

*J5*

220-240

*J6*

100-120

*CSN*

.22uF 310V

*RSN*

100R 3W

123

4

J TRIG

TO FRONT PCB

*BRT3*

*TRIAC1*

BTB24800BWRG

*MOV1*

275V

+Vo

-Vo

N

L

*PS1*

RAC01-05SC

L1
1mH

+

C10

1500uF 6.3V

RA21RA32RA43RA54Vss5RB0/INT6RB17RB28RB3

9

RB410RB511RB612RB7

13

Vdd

14

RA615RA716RA017RA1

18

IC1

PIC16F818

*IC6*

HCPL-4701

*RP1*

220k 1W

*IC3*

MOC3052VM

IC5
LDA100

REM

R1
499R

DGND

DGND

DGND

DGND

+5V STBY

D3

+

RL3

C93401

12345

ICSP

C9 100nF

+5V STBY

DGND

CLK

DATA

CLK

DATA

DGND

JP2

JP1

100V
120V

A/C VOLTAGE SELECT

220V
240V

X
XX

X

X = JUMPER

D2

+5V STBY

R7

100R

*F1*

*RG1*

100R

*RG2*

3R0

R6

100R

SNUBR

BLK

12345

J10

DGND

C11

10nF*

*D4*

1N4004

1A 300V TIME DELAY FUSE

*RP2*

220k 1W

SNUBC

SNUBR

SNUBC

*RL2*

*RL1*

Q1

A42

Q2

A42

Q3

A42

D1

R9

10K

R10

10K

R11

10K

DGND

DGND

DGND

+5V STBY

+5V STBY

+5V STBY

R13
100R

C12
1uF

DC FILTER

47k x 7

745C101473JPTR

*AC IN*

*RAC*

220k 1W

TO REAR PCB

1

1

2

2

3

3

4

4

D D

C C

B B

A A

Title

Number RevisionSize

A4

Date: 04-17-2013 Sheet of
File: Z:\2.5BSST\..\2.5BSST2 Start Board R1.SchDocDrawn By:

CAC

0.1u

+

CF1

+

CF2

+

CF3

+

CF4

ORG

YEL

BRN

WHT

GRY

TF1 PRIMARY

TF2 PRIMARY

J1

100

J2

100-220

J3

120-240

J4

120

J5

220-240

J6

100-120

CSN .22uF 310V

RSN

100R 3W

1
2
3
4

J TRIG

254PWO4E0185-S1F2H

BL1

V1

R1

BRT1

WR1

CHA1

TF1 SEC

CH1 PSB

GN/YL

BLK -

BLU

RED +

VIO

RED

BLU

P1

WV1

WB1

WGY1

BL2

V2

R2

BRT2

WR2

CHA2

GN/YL

BLK -

BLU

RED +

VIO

RED

BLU

P2

WV2

WB2

WGY3

TF2 SEC

CH2 PSB

V+2

V-2

V+1

V-1

WGY4 WGY2

C1

C2

10nF 500V X4

C3

C4

C5

C6

10nF 500V X4

C7

C8

TR1

TR2

IN1

Insulator 1

IN2

Insulator 2

Blank PCB

2.5BSST START BOARD R1

ACH

ACL

ACL1

TO FRONT PCB

BRT3

TRIAC1

BTB24800BWRG

DGN

*

MOV1
275V

+Vo

-Vo

N

L

PS1

RAC01-05SC

L1

1mH

+

C10
1500uF 6.3V

RA2

1

RA3

2

RA4

3

RA5

4

Vss

5

RB0/INT

6

RB1

7

RB2

8

RB39RB4

10

RB5

11

RB6

12

RB7

13

Vdd

14

RA6

15

RA7

16

RA0

17

RA1

18

IC1

PIC16F818

IC6

HCPL-4701

RP1

220k 1W

IC3

MOC3052VM

IC5

LDA100

REM

REM

R1

499R

GND

GND

GND

GND

TRD

+5V STBY

D3

16

11

8

6

4

1

+

9

13

RL3
C93401

1
2
3
4
5

ICSP

RST

C9

100nF

+5V STBY

+5V STBY

GND

CLK

DATA

CLK

DATA

GND

RST

VS1

VS2

JP2

JP1

100V

120V

A/C VOLTAGE SELECT

220V

240V

XX

X X

X = JUMPER

D2

+5V STBY

R7

100R

F1

ACL2

RG1

100R

RG2

3R0

PWRSW

R6

100R

GATE

M1

SNUBR

BLK

AC1

AC2

1

2

3

4

5

J10

TSW105-07-G-S

GND

C11
10nF*

SHUNT1 SHUNT2

FID1

FIDUCIAL

FID2

FIDUCIAL

D4

1N4004

1A 300V TIME DELAY FUSE

RP2

220k 1W

SNUBC

SNUBR

SNUBC

RL2

RL1

Q1
A42

Q2
A42

Q3
A42

D1

R9

10K

R10

10K

R11

10K

GND

GND

GND

+5V STBY

+5V STBY

+5V STBY

R13

100R

C12
1uF

ZCD

DC FILTER

47k x 7

AC IN

WAGO 256 602

RAC

220k 1W

FID3

FIDUCIAL

PICF101 PICF102

COCF1

PICF201 PICF202

PICF301PICF302

PICF401PICF402

PIBRT304

PIBRT301

PIC101

PIC102

PIBRT203

PIC201

PIC202

PIF102

PIMOV102

PICAC01

COCAC

PICAC02

COMOV1

PIMOV101

COWGY4

COWGY3

PIC301

PIBRT204

COBRT2

PIBRT201

COC3

PIC302

PIBRT202

PIC401

COC4

PIC402

COICSP

PIF101

COF1

COD4

CORP1

PIICSP01
PIICSP02

PIICSP03
PIICSP04
PIICSP05
PIICSP06

PIRP202

CORP2

PIRP201

PID40A

PID40K

PIIC601

PIIC602

PIIC603

PIIC604

PIRP102

PIRP101

PIWGY401

PIWGY301

COWB2

COWV2

COWR2

PIR1405

COR14A

PIR1401

COP2

PIP204

PIP203

PIP202

PIP201

PIWB201

PIWV201

PIWR201

PIR1405

PIR1405

PIR1405

PIR1405

COR14B

COR14C

COR14D

COR14E

PIR1402

PIR1403

PIR1404

PIR1406

COIC6

PIR1405

PIR1405

COR14F

COR14G

PIR1407

PIR1408

PIR1301

COR13

PIR1302

PIIC608

PIC1201

COC12

PIIC607

PIC1202

PIIC606

PIIC605

COCF2

COCF3

COCF4

PIBRT302 PIBRT303

COBRT3

COAC IN

PIAC IN01

PIAC IN02

CORAC

PIRAC02

PIRAC01

COC1

COC2

PIIC101
PIIC102
PIIC103
PIIC104
PIIC105
PIIC106
PIIC107
PIIC108
PIIC109

PIC501

COC5

PIC502

PIBRT103

PIC601

COC6

PIC602

COR1

PIR101 PIR102

COIC1

COPS1

PIPS102

PIPS101

PIC701

PIBRT104

PIC702

PIBRT102

COBRT1

PIC801

PIBRT101

PIC802

PIIC1018
PIIC1017
PIIC1016
PIIC1015
PIIC1014
PIIC1013
PIIC1012
PIIC1011
PIIC1010

COJP1

COJP2

COWGY2

COWGY1

COC7

COC8

PIJP102
PIJP101

PIJP202
PIJP201

PIPS104

PIPS103

PIWGY201

PIWGY101

COC9

PIC1001

PIC1002

COP1

PIP101

PIP102

PIP103

PIP104

PIWB101

COWB1

PIWV101

COWV1

PIWR101

COWR1

PIC902

PIC901

PIR1101 PIR1102

COL1

PIL102

COC10

COR9

COR11

PIR901PIR902

PIQ301

PIL101

PIC1102
PIC1101

PIIC301

PIIC302

PIRL101 PIRL102 PIRL103 PIRL104

PID103

COD1

PID101

PIQ103

COQ1

PIQ101

PIQ102

COD3

PID303

PIQ303

COQ3

PID301

PIQ302

COR6

COJ TRIG

COC11

COIC3

PIIC304

CORL1

PIIC306

COD2

COR10

PIQ201

PIR1001 PIR1002

PIRL301 PIRL304 PIRL306 PIRL308

PIR601PIR602

PIJ TRIG01
PIJ TRIG02
PIJ TRIG03
PIJ TRIG04

PIRL3011PIRL3013PIRL3016

PIIC501

PIIC502 PIIC504

PIR701 PIR702

COR7

COIC5

PIRG101

PIRG102

CORG1

CORL2

PIRL201 PIRL202 PIRL203 PIRL204
PID203

PID201

PIQ203

COQ2

PIQ202

PIRG201

CORG2

PIRG202

COJ2

PIJ201

COJ1

PIJ101

COJ3

PIJ301

COJ4

PIJ401

COJ5

PIJ501

COJ6

PIJ602

PIJ202
PIJ102
PIJ302

PIJ402
PIJ502
PIJ601

CORL3

PIRL309

COJ10

PIJ1005

PIJ1004

PIJ1003
PIJ1002
PIJ1001

PIIC505

PITRIAC103

COTRIAC1

CORSN

PIRSN01

PIRSN02

PITRIAC102

PITRIAC101

PICSN01 PICSN02

COCSN

COFID1

COFID2

COFID3

COJTX2
PIJTX206

PIJTX205

PIJTX204
PIJTX203
PIJTX202
PIJTX201

PIJTX101
PIJTX102
PIJTX103
PIJTX104

PIJTX105
PIJTX106

COJTX1

COSHUNT1

COSHUNT2

COIN1

COIN2

COBlank PCB

CO0

1

2

3

4

5

6

7

8

9

10

A A

FP1

FIDUCIAL

FP2

FIDUCIAL

FP3

FIDUCIAL

B135 2BSST CHA PSB R1

JLED2

3
2

1

KFE-143-10-ET
2

B B

KFE-143-10-ET

CT

100uF/50V

3

RBM

CM

RLG
0R

RSG

0R
RBP
20k0

+

20k0

2PG

KFE-143-10-ET
4

KFE-143-10-ET

C C

RM2

CT

+

455TA

CP

+

15,000U/63v

15,000U/63v

MUTE

499R

10k0
DMT

24V

QM

RM1

2RED
2GN
RLY­2LG

-33
2SG
+33

+55

-55

USED WITH 2BSST ONLY

1

1

J1

2
3
4
5
6
7
8

9
10
11
12

P1 CHANNEL B PCB

13
14
15
16
17

RJ

0R

+55

R1

R3

3k83

D4

D2

MJE15030

Q1

3k83

D1
30V

D3
30V

Q2

MJE15031

Rect SMD

Rect SMD

33uF/35V
C1

C3

33uF/35V

JPW2, R10, R11 USED WITH B135 ONLY

2RED

12

2GN

R10
10R

C1A

+

+

100uF/50V

C3A

+

+

100uF/50V

10R

R11

11

-

10

-33V @ 75ma

9
8

SGND

7

+

6

+33V @ 75ma

5
4

PGND

3
2

CHASSIS

1

JPW2

D D

E E

GND ISOLATOR

BR1

R17

100R

C6 100N

WRPWBM TXCT

CH2 TX SECONDARY

CHASSIS

CHASSIS

Title :

LTD

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

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

B135/2BSST CHA PSB R1

Date : Sheet : Rev :Drawn :

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

A A

FP1

FIDUCIAL

FP2

FIDUCIAL

1

KFE-143-10-ET

FP3

FIDUCIAL

B135 2BSST CH B PSB R1

USED WITH 2BSST ONLY

GLED

1

RLED

1LG

JLED1

2
3

2

D2

MJE15030

Q1

R1

3k83

CHASSIS

C1A

+

100uF/50V

+

100uF/50V

C3A

D1

+

C1

30V

33uF/35V

D3

+

C3

30V

33uF/35V

R3

Q2

3k83

-55v

MJE15031

D4

JPW1, R10, R11 USED WITH B100 ONLY

JPW1

R10
10R

R11
10R

GLED
RLED

1
2
3

-33V @ 75ma

-

4
5

SGND

6
7
8
9
10
11
12

PGND

CHASSIS

+33V @ 75ma

+

CH1 - AMPLIFIER A

RJ
0R

+55v

KFE-143-10-ET
3

B B

C C

KFE-143-10-ET
4

KFE-143-10-ET

CP 15,000U/63v

+

CM

CH1 GND CENTRAL

BR1

RLG
0R

0R
RSG

+

15,000U/63v

1PG

RBP

RRL

20k0

100R

1RED
1GN

RLY+

1LG

-33
1SG
+33

+55

-55

RBM

20k0

1PG

J1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

R17

100R

D D

C6 100N

WRP WBM

E E

1

2

3

4

TXCT

TO TX SECONDARY

5

CHASSIS

P.O. BOX 2170, 677 NEAL DR. PETE RBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE [phone] FAX [phone] WWW.BRYSTON.CA

Title :

LTD

Rev :

B135 2BSST CHB PSB R1

File : B135 2BSST CH B PSB R1.SCHDOC Sheet : 1 of 1
Date :

6

7

06-27-2012

8

Drawn :

9

Size :

A

3

10

1

2

3

4

5

6

7

8

9

10

PCB

B135 2BSST 875 CH B R1

A A

BIAS TP

J31

1

TP1

J32

LG
SG

RED
GRN

RLY++

2

J33

3

JB

J34

4

TP2

J35

5

1P2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

TO CH PS PCB

-24V A

RM1

29k4

VR1 10K

18V

9.1V

49R9

150R

RB9

QB5

2SA1312

DB1

1N914

RB10

150R

DB2

1N914

QB6
2SC3324

RB11

150R

+33

RPP

10R

100uF/35V

-33

RMM

10R

100uF/35V

CP1

.1uF

+

CB5

.1uF*

CP5

CM4

SG

+

+24V B

2SC3324

DB3

1N914

DB4

1N914

2SA1312

-24V B

SG

CM1
.1uF

+33V

SG

-33V

SG

QB7

RB12

RB13

QB8

68R1

68R1

R31

CIN1

+

68u

29k4

CC1

470pF

IN+

SG

IN-

RIN

100K*

29k4

3
2

13
12

CIN2
220pF*

TUNING LOOP

R32

BUFF

BUFF

-15

R20

2k21 *

WB1

U1A

U1D

11

-24V A

1

14

CB1
22pF

RB3

RB5

RB6

115k

10k0

RB1

4k99 *

1N914

RB2

4k99 *

RB15

D3

1N914

4k99 *

4k99 *

RB4

RB16

SG

2SC3324

2SA1312

4k99 *

4k99 *

+15
+24V A
+24V B

-24V A

-24V B

-15

QB1

QB3

RB7

10k0

2SA1312

RB8

CB2
22pF

QB2

2SC3324

QB4

CB3

22pF

115k

CB4
22pF

RB14

DP4

DP1

DP2 9.1V

DM1 9.1V

DM2 9.1V

DM3 18V

B B

RLYA

1

RLYB

2

RLY-

3

RLY+

4

TEMP1

5

+IN

6

SG

7

-IN

8

PWRIN

9

PREO

10
11

C C

12
13
14
15
16

TO CH IN/OUT PCB

17

1P1

D D

H5

H4

H3

H2

H1

MUTE

POUT

PG

CBF
47pF

D4

F1

F2

F3

R7

RP1

29k4

ROF

475k

Q8

2SC3324

CF2

2200uF

Q9

2SA1312

R24

4k75

CLIPPING INDICATOR CIRCUIT

R33
10k0

10k0
R34

CM3

.1uF

CP2

+24V A

.1uF

SG

R12

4k75

15k0

Q7

2SC3324

+

Q10
2SA1312

R13

15k0

10k0

R36

6

DIFF

5

U1B

10k0

R35

RF2

1k1*

R39

7

SG

475R

100k

100k
C15

D8

CM2
.1uF

R37

10k0

1N914

C14

220pF

R8

220pF

LG

CF1

14k7*

RF1

R21

D7

RMU

100pF*

1N914

R38

CP3

.1uF

10

100k

9

RLYA

RLYB

COMP

C9

100pF

4k75

C13

.1uF

C10
100pF

C30

4

* Denotes Film Caps or Thin Film Resistors

220pF

U1C

+15

R6

1k5

Q5

2SA1312

R9

2k21 *

JE172

D5

1N914

C11
220pF

47pF

Q11
2SC3324

R25

1k5

8

T

SW1
802L-80

Q6

R10

C8

RLY+

LG

RLY-

1N914

SG

D40

470uF

+

C3

R4

R15

R22

R45

150k

R46

49k9

R47

49k9

R44

150k

DM7

1N914

DM8

1N914

Q4
5551

1k0

1k0

Q12

5401

R40

1k0

C31

220pF

R3

C5
1nF

C6

1nF

R28

R29

22R1

100R

100R

22R1

8

9

5

6

Q3

A92

C4

47pF

VR3
1K

5k62

Q14
A42

MJE15031

R16

267R

R23

267R

MJE15030

C7

470uF

U2C

4011

4011

U2B

R2

475R

R26

+

10

CP4
.1uF

Q2

Q13

4

R1

475R

100R

MJL21193

MJL21194

R27

100R

12

13

2

1

Q1

L1 2uH

Q15

U2D
4011

TEMPMUTE

7

4011

14

RT2

PR1

0R12

D1

RL1

5R1

COUT 100N

D2

PR2

0R12

11

D42

1N914

LG

D41

3

1N914

U2A

+15

VR2

100K

10k0

RT1

10k0

POUT

RT4

10k0

RT3

10k0

TO LED's

R43

R41

J32

J31

J35

J34

5k62

R42

5k62

20k0

-33V

+33V

MUTE

+55V

-55V

PG

RED

GRN

JULY 3, 2012
Q7,Q8,Q11,QB1,QB2,QB6,QB7 MMBT100A CHANGED TO 2SC3324GR
Q5,Q9,Q10,QB3,QB4,QB5,QB8 MMBT200A CHANGED TO 2SA1312GR
Q4 MMBT100A CHANGED TO MMBT5551-7F
Q12 MMBT200A CHANGED TO MMBT5401-7F

E E

1

2

3

R3,R28 220R CHANGED TO 100R
C4,C8 6.8pF CHANGED TO 47pF
C5,C6 470pF CHANGED TO 1nF
RP1,RM1 49K9 CHANGED TO 29K4

NOV 20, 2012
VR2 1K0 CHANGED TO 100K
R41 499R CHANGED TO 20K
R43 20K CHANGED TO 5K62

4

5

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

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

Title :

B135 2BSST 875 CH B R1

File :
Date :

6

7

JULY 2012

8

Sheet : of Rev :

Drawn :

9

DGN

LTD

1

10

1

2

3

4

5

6

7

8

9

10

PCB

B135 2BSST 875 CH A R1

A A

-33V

+33V

MUTE

LG
SG

+55V

-55V

BIAS

J31

1

TP1

J32

2

J33

3

J34

4

TP2

J35

5

JB

1P2

RED

1

GRN

2

RLY-

3
4
5
6
7
8
9
10
11
12
13
14

PG

15
16
17

LTD

1

10

RLY+

220pF

U1C

R6

1k5

Q5
2SA1312

R9

2k21 *

Q6

JE172

D5

1N914

C11

220pF

C8
47pF

Q11
2SC3324

R25

1k5

8

+15

T

SW1
802L-80

C4

R10

SG

-55V

RLY+

LG

RLY-

47pF

VR3
1K

5k62

D40

1N914

A92

Q14
A42

7

470uF

+

C3

R1

PR1

R4

R15

R22

R45

R46

R47

R44

Q4
5551

1k0

1k0

Q12
5401

150k

49k9

49k9

150k

DM7

1N914

DM8

1N914

22R1

100R

R3

MJE15031

C5

1nF

267R

C6

1nF

267R

R28

100R

22R1

R29

C7

470uF

8

9

IC-MC14011BDR2G

U2B

5

6

R40

1k0

CLIP

C31
220pF

Title :

B135 2BSST 875 CH A R1

Q3

100R

R2

475R

Q2

MJL21193

R16

MJE15030

R23

Q13

MJL21194

R26

475R

+

100R

U2C

12

10

13

TEMPMUTE

2

4

1

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

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

File :
Date :

JULY 2012

8

0R12

Q1

J32

L1 2uH

RL1

5R1

Q15

R27

PR2

U2D

11

7

3

14

+15

0R12

LG

U2A

CP4

D1

+55V

RT1

10k0

.1uF

100K

RT2

10k0

D2

RT4
10k0

RT3

10k0

D42

1N914

D41

1N914

J31

COUT
100N

PG

J35

J34

R43

5k62

TO LED's

R42

5k62

LG

VR2

R41

20k0

Sheet : of Rev :

Drawn :

9

DGN

-24V A

R12

+24V B

RM1

CB1
22pF

RB5

1P1

POUT

PGND

17

B B

16
15
14
13
12

MUTE

11

PREO

10

PWRIN

9

-IN

8

SG

7

+IN

6

TEMP2

5

RLY+

4

RLY-

3

RLYB

2

TO CH IN/OUT PCB

RLYA

1

49R9

RB2

4k99 *

RB1

4k99 *

RB14

RB3

4k99 *

CBF 47pF

4k99 *

D4

D3

1N914

1N914

RB4

4k99 * RB15

C C

RB16

4k99 *

F1

H5

H4

F2

H3

D D

H2

F3

H1

SG

* Denotes Film Caps or Thin Film Resistors

+15

+24V A

+24V B

-24V A

-24V B

-15

10k0

RB6

QB1

2SC3324

QB3

QB4

2SA1312

2SA1312

RB7

115k

10k0

RB8

DP4

DP1

DP2 9.1V

DM1

DM2

DM3 18V

115k

QB2

2SC3324

22pF

18V

9.1V

9.1V

9.1V

CB2

22pF

CB3

CB4
22pF

RB9

CP1

.1uF

150R

SG

2SA1312

2SC3324

DB1

RB10

DB2

QB5

1N914

150R

1N914

QB6
2SC3324

RB11

150R

DB3

CB5

.1uF*

DB4

-24V B

1N914

1N914

2SA1312

CM1

.1uF

RB12

RB13

QB7

68R1

68R1

QB8

R31

SG

+33

RPP
10R

+33V

CP5

+

100uF/35V

-33

RMM
10R

-33V

CM4

+

100uF/35V

CC1

470pF

SG

SG

IN+

* Denotes Film Caps or Thin Film Resistors

E E

1

2

3

4

29k4

VR1 10K

CIN1

+

29k4

68uF/10V

RIN

100K*

SG

29k4

220pF*

TUNING LOOP

R32

SH1

R20
2k21 *

CIN2

WB1

ROF

-24V A

IN-

3
2

13
12

BUFF

BUFF

U1D

1

U1A

14

11

-15

JULY 3, 2012
Q7,Q8,Q11,QB1,QB2,QB6,QB7 MMBT100A CHANGED TO 2SC3324GR
Q5,Q9,Q10,QB3,QB4,QB5,QB8 MMBT200A CHANGED TO 2SA1312GR
Q4 MMBT100A CHANGED TO MMBT5551-7F
Q12 MMBT200A CHANGED TO MMBT5401-7F
R3,R28 220R CHANGED TO 100R
C4,C8 6.8pF CHANGED TO 47pF
C5,C6 470pF CHANGED TO 1nF
RP1,RM1 49K9 CHANGED TO 29K4

NOV 20, 2012
VR2 1K0 CHANGED TO 100K
R41 499R CHANGED TO 20K
R43 20K CHANGED TO 5K62

R7

RP1

29k4

475k

CF2

2200uF

R24

CLIPPING INDICATOR CIRCUIT

R33
10k0

10k0

R34

CM3

.1uF

Q8

2SC3324

+

Q9

2SA1312

4k75

4k75

6
5

2SA1312

R13

15k0

DIFF

U1B

10k0

R35

LG

15k0

2SC3324

Q10

R36
10k0

5

CP2

.1uF

+24V A

SG

1N914

R8

RF2

100k

1k1*

Q7

C14
220pF

CF1

14k7*

RF1

D7

100pF*

RMU

C9
100pF

4k75

C13
.1uF

RLYA

R21

RLYB

100k

C15

220pF

D8

1N914

7

SG

475R

R39

CM2
.1uF

10k0

R37

10

9

CP3

.1uF

R38

100k

C10
100pF

C30

COMP

4

6

TO CH PS PCB