Text preview for : Bryston-2Bsst pwramp.pdf part of Bryston 2Bsst power amplifier



Back to : Bryston-2Bsst pwramp.pdf | Home

1

2

3

4

5

6

7

8

9

10

A

PGND POUT PWRIN +48V BUFFER INPUT DOA-68 PREO
10K RB14 49R9 150R RB3 10K CB1 47p RB5 15K RB6 100K VR1 914 100R 0R15 RP1 49K9 4K75 15K0 914 R7 ROF 49K9 RM1 C14 220p 100K R8 2K21 475K R12 1K5 470u16V

A

WR1

+
C3

R1

PR1

+24V A
D7 914

C9 47p

R6

DX1 Q3 200

R4 22R1 100R

+24V B

RB9

DX3

475R

10K0

QB5 200

JE182 QB7 914

68p R9

Q4 100

Q2 MJE15031

4004

10K0 J3

Q5 200

R3

C4

R2

Q1 MJL21193

D1

RT2 RT1

1MEG

100

100 150R RB10 CB3 100N

DB3

1K0

875 - 10K0

875 - 1K0

DB1

68R

4K75

B

QB1

QB2

914

-IN

RB2 4K99

-24V A

RB12 CIN

R20 2K21

Q8

Q7

RMU C13 100N Q6 JE172 D3 5K6 VR3

RIN

100 220p WB1 CF2

100 RF2 1K000 914

1 2 3 4 5
267R 1K0 R15 C5 470p R16 L2 2uH BCS105

TP1 TP2

B

68R

200 J1

200 914 QB3 QB4 914 DB2 DB4

RB13

TUNING LOOP

R10

WR1
RL1 5R1 J2 COUT 100N

2200u10v

+IN

+

1K5

C

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

PGND
RB1

3K48

10K0

100K

15K

150R

MUTE PREO PWRIN -IN SGND +IN TEMP2 RLY+ RLYRLYB RLYA

914

DX4

29K4

29K4

RB11

R31

R32

200 C17 22p

200

100K

R21 C11 220p Q11 100 914

470p

SGND

RB4

-24V B

267R

1K0

POUT

RB7 RB8

QB6 100

QB8 JE172 Q9 Q10

RF1 14K30 CF1 100p

PGND

R22 C6

R23

MJE15030 10K0 10K0 4004 Q12 200 475R R28 100R 22R1 R29 470u16V R26 Q13 MJL21194 Q15 D2 RT3 RT4

RED GRN RLYLGND -33V SGND +33V MUTE +48V -48V

C15 220p D8 15K0 4K75 C8 68p C10 R25 Q14 100

IN+

INR24 914 DX2 R13

SGND

0R R11 R5 0R PR2 0R15

RLYA RLYB

-24V A

47p

LGND PGND -48V RLY+15

C7

MUTE RLY+

R14 0R

MUTE
11 D42 914 R43 1K21 3 U2A 7 VR2 1K0 R41 499R DX7 914 DP4 5248 DP1 5239 DP2 5239 DP3 5248 RPP 10R D41 914 R42 604R 12 13

SW1

R45 150K R44 150K

R46 49K9 R47 49K9 U1A 3 2 CC1 914

TEMP
U2D

100R

+

R27

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

C

T
TEMP2 RLY67L080

1 2 DM7 9 8 10

RED LED's GRN

914 1

U1 = TLO64
R33 10K0 U1B 6 5

R36 10K0

DM8

MUTE
U2C

CH A
D

BUFF

C30 7 R37 10K0 10 9 U1C

100p

U2 - 4011

5 6

4 U2B

+24V A +24V B

+33V

D

220p

TL064 10K0 R34 10K0 13 12 14

DIFF

COMP
4

8

D40 914

R40 1K0 C31 220p

R35

R39

475R

-24V A
R38 100K 914 DX6 914 +16 -16 DX5 CM3 100N CM1 100N CM2 100N CP1 100N CP2 100N CP3 100N CP4

DM1 5239 DM2 5239 DM3 5248 100N RMM 10R

BUFF
11 U1D

-24V B

-33V

THIS FILE IS RENAMED FORMALLY 875 LEFT CH R3 REV 4 CHANGES ADD DX1 THROUGH DX7 OPTIONS FOR 'RIN' , 'RB2' AND RB4 REV 5 - ADD CC1 ACROSS TLO64 INPUTS CHANGE POLARITY OF DX5 AND DX6 RB4 STAYS 10K FOR ALL APPLICATIONS.

E
11531B4B 11531B4B 11531B4B 11531B4B 11531B4B
LTD P.O. BOX 21 70, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

Size :

E

B
Rev : R5 1 of 1 ST 10

Title :

B100_2BSST_875 CHANNEL A
File : Channel A R5.sch Date : 17/02/2005 Sheet : Drawn :

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

8

9

10

A

PGND POUT PWRIN +48V BUFFER INPUT DOA-68 PREO
RB14 49R9 150R RB3 10K0 15K CB1 47p RB6 100K VR1 RB9 914 100R 0R15 RP1 49K9 1K5 15K0 4K75 DX1 914 470u16 R4 22R1 Q3 200 Q5 200 C14 220p 100K R8 R9 4K75 RMU 1K0 C13 100N Q6 JE172 VR3 R15 C5 470p R16 L2 2uH 2K21 C4 68p Q4 100 100R 475R R3 R2 Q2 MJE15031 4004 MJL21193 Q1 D1 J3 RT2 RT1 10K0 10K0

A

WR1

+
C3 R1 PR1

+24V A
D7 914

47p

C9 R6

10K

R7 475K ROF

+24V B

DX3 49K9

R12

RB5

RM1

QB5 200 QB7 914 914 182

B

-IN

RB2 4K99 875 - 10K0 QB1 100 100 QB2 DB1 RB10

-24V A
875 - 1K0 1MEG RIN CIN 220p

R20 2K21

Q8 100 100

Q7

DB3 68R

150R

CB3 100N

RB12

1 2 3 4 5
267R 1K0 BCS105

TP1 TP2

B

WB1 TUNING LOOP

CF2

RF2 1K000

+

QB3 J1 200 200

QB4 914 DB2 914

68R

DB4

RB13

2200u/10v

R10

5K6

914

D3

RL1 5.1R

WR1
J2

1K5

C

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

RB1

3K48

PGND +IN POUT

172 RB8 100K 15K QB6 100 150R QB8

Q9 200 R32 29K4 29K4 C17 22p 200

Q10

RF1 14K70 CF1 100K R21 220p C11 Q11 914 C10 47p 47p 267R R22 1K0 C6 470p R23 MJE15030 Q13 200 475R R26

COUT

100N

PGND

RB4

MUTE PREO PWRIN -IN SGND +IN TEMP1 RLY+ RLYRLYB RLYA

SGND

RB7

-24V B

RB11

914

DX4 R31

C15

220p 100 C8 68p

RED GRN RLY++ LGND -33V SGND +33V MUTE +48V -48V

D2

MJL21194

15K0

4K75

914

RLYA MUTE RLYB
SW1 R5 0R

D8 R13

DX2

100 Q14

R28 100R 22R1 R29 C7 470u16

10K0

4004

Q15

10K0

Q12

RT3 RT4

SGND

R25

0R15

+

100R

MUTE

-24V A

LGND
PR2

R24

PGND -48V RLY++

R27

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

10K0

C

RLY++
12 U2D R45 150K R44 150K R46 49K9 R47 49K9 INDM7 914 U1A 3 2 8 1 R36 10K0 R33 10K0 TL064 10K0 10K0 475R U1D 13 12 R34 R35 14 R39 6 5 914 DM8 C30 CC1 U1B 7 R37 10K0 220p U1C 10 9 U2C 9 10 5 U2B 6 4011 D40 914 R40 1K0 C31 220p 13 11 914 D42 1 2 R43 1K21 14 U2A 4011 7 VR2 1K0 4 R41 499R DX7 914 DP4 5248 DP1 5239 DP2 5239 +16 DP3 5248 DM1 5239 DM2 5239 -16 914 DX5 CM3 100N CM1 100N CM2 100N CP1 100N CP2 100N CP3 100N CP4 100N DM3 5248 RMM 10R RPP 10R 3 D41 914 R42 604R

TEMP1

T
67L080

TEMP
4011

RLY+ RLY-

+15

RED LED's GRN

BUFF

MUTE
4011

CH B
+33V

+24V A +24V B

D

220p

DIFF

COMP
4

8

D

-24V A
R38 100K 914 DX6

IN+

BUFF
11

-24V B

-33V

THIS FILE HAS BEEN RENAMED FORMALLY 875 RIGHT CH R3 channel. REV 4 CHANGES ADD DX1 THROUGH DX7

Rev 5 - fixed DX5 and DX6 polarity added CC1 across pins 3, and 12 of the tlo64. change rb4 to 10k when 875

E
11531B4B 11531B4B 11531B4B 11531B4B 11531B4B

Size :
LTD P.O. BOX 21 70, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

E

B
Rev : R5 1 of 1 ST 10

Title :

B100 2BSST 875 CHANNEL B
File : Channel B R5.sch Date : 17/02/2005 Sheet : Drawn :

1

2

3

4

5

6

7

8

9