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E

PGND POUT PWRIN +48V BUFFER INPUT DOA-68 PREO
10K RB14 49R9 RB3 10K CB1 47p RB5 15K RB6 100K VR1 150R 0R15 100R RP1 49K9 4K75 15K0 1K5 R7 475K ROF 49K9 RM1 C14 220p 100K R8 2K21 R12 470u/16V

E

WR1

+
C3

R1

PR1

+24V A
D7 914

C9 47p

R6 Q3 200

R4 22R1 100R

+24V B

RB9

475R

10K0

QB5 200 CB4 914

JE182 QB7

47p R9

Q4 100

Q2 MJE15031

4004

10K0 J3

Q5 200

R3

C4

R2

Q1 MJL21193

D1

RT2 RT1

DB1 100 100 150R RB10 200 J1 200 CB3 100N DB3

68R

RIN 1K0 CIN 100 220p WB1 CF2 TUNING LOOP RF2 1K000 100

4K75

D

QB1

QB2

914

-IN

RB2 10K0

33p

-24V A

RB12

R20 2K21

Q8

Q7

RMU 2K0 C13 100N Q6 JE172 D3 5K6 VR3

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

TP1 TP2

D

BCS105

68R

914

QB3

QB4

914

+IN

RB1 4K99

DB2 33p CB5

DB4

2200u/10v

914

RB13

R10

WR1
RL1 10R J2 COUT 100N

+

1K5

C

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

PGND POUT
CB2 RB4 RB7 RB8 1MEG 100K 15K 220p

QB6 100 150R RB11

QB8 JE172 Q9 29K4 29K4 R31 R32 200 C17 22p C15 220p D8 914 4K75 Q10 100K 200 R21

RF1 14K70 CF1 47p 1K0

PGND

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

470p

-24V B
SGND

C11 Q11 100

220p Q12 200

267R

R22

C6

R23

MJE15030 4004 10K0 10K0 Q13 475R R26 MJL21194 Q15 D2 RT3 RT4

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

C8 47p

SGND

0R R11 R5 0R PR2 0R15

RLYA RLYB
R14 0R

15K0

R24

R13

C10

R25

-24V A

Q14 100

R28 100R 22R1 R29

47p

LGND PGND -48V RLY-

470u/16V C7

MUTE RLY+

MUTE

12
SW1 R45 150K R44 150K R46 49K9 R47 49K9

U2D

13

TEMP
4011

11 D42 914

R43 1K21

1 2
U2A 4011

14

100R

+

R27

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

C

T
TEMP2 RLY67L080

3

D41 914 VR2 1K0

R42 604R R41 499R DP4 5248

RED LED's GRN

3 2

U1A

BUFF
TL084

1
R33 10K0 10K0 R34 R35

R36 10K0 C30 220p U1C

8 9 7
R37 10K0 R39

MUTE
4011 D40 914

10 5 6

U2B

4 +24V A
4011

7

U2C

6 5
10K0

U1B

DP1 5239 DP2 5239 DP3 5248

+33V

B

DIFF
TL084

10 9

COMP
TL084

8

R40 1K0 C31 220N

+24V B

B

12

BUFF
TL084

14

R38 100K

4

13

U1D

475R

-24V A -24V B
CM3 100N CM1 100N CM2 100N CP1 100N CP2 100N CP3 100N

DM1 5239 DM2 5239 DM3 5248 CP4 100N

-33V

A
11531B4B 11531B4B 11531B4B 11531B4B 11531B4B

REV 2 - CHANGES RB3 - CHANGE TO 10K RB4 - CHANGE TO 1MEG REMOVE DB3A IN BIAS CHAIN

11

Size :
LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

A

B
Rev : R1 1 of 1 D.M. 10

Title :

875 LEFT CHANNEL R2
Sheet : Drawn :

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5

6

7

8

File : Left channel R2.sch Date : 11-Sep-2003 9

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PGND POUT PWRIN +48V BUFFER INPUT DOA-68 PREO
10K RB14 49R9 RB3 CB1 47p 10K0 RB5 15K RB6 100K VR1 150R 0R15 100R RP1 49K9 4K75 15K0 1K5 R7 475K ROF 49K9 RM1 C14 220p 100K R8 2K21 R12 470u/16V

E

WR1

+
C3

R1

PR1

+24V A
D7 914

C9 47p

R6 Q3 200

R4 22R1 100R

+24V B

RB9

475R

10K0

QB5 200 CB4 914

JE182 QB7

47p R9

Q4 100

Q2 MJE15031

4004

10K0 J3

Q5 200

R3

C4

R2

Q1 MJL21193

D1

RT2 RT1

DB1 100 100 150R RB10 200 J1 200 CB3 100N DB3

68R

RIN 1K0 CIN 100 220p WB1 CF2 TUNING LOOP RF2 1K000 100

4K75

D

QB1

QB2

914

-IN

RB2 10K0

33p

-24V A

RB12

R20 2K21

Q8

Q7

RMU 2K0 C13 100N Q6 JE172 D3 5K6 VR3

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

TP1 TP2

D

BCS105

68R

914

QB3

QB4

914

+IN

RB1 4K99

DB2 33p CB5

DB4

2200u/10v

914

RB13

R10

WR1
RL1 10R J2 COUT 100N

+

1K5

C

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

PGND POUT
CB2 RB4 RB7 RB8 1MEG 100K 15K 220p

QB6 100 150R RB11

QB8 JE172 Q9 29K4 29K4 R31 R32 200 C17 22p C15 220p D8 914 4K75 Q10 100K 200 R21

RF1 14K70 CF1 47p 1K0

PGND

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

470p

-24V B
SGND

C11 Q11 100

220p Q12 200

267R

R22

C6

R23

MJE15030 4004 10K0 10K0 Q13 475R R26 Q15 MJL21194 D2 RT3 RT4

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

C8 47p

SGND

RLYA MUTE RLYB
SW1 R5 0R

15K0

R24

R13

C10

R25

100R

+

0R15

MUTE

-24V A

Q14 100

R28 100R 22R1 R29

47p

LGND
R27 PR2

PGND -48V RLY++

470u/16V C7

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

C

RLY++

TEMP1

T
67L080

12
R45 150K R44 150K R46 49K9 R47 49K9

U2D

RLY+ RLY-

13

TEMP
4011

11 D42 914

R43 1K21

1 2
U2A 4011

14

3

D41 914 VR2 1K0

R42 604R R41 499R DP4 5248

RED LED's GRN

3 2

U1A

BUFF
TL084

1
R33 10K0 10K0 R34 R35

R36 10K0 C30 220p U1C

8 9 7
R37 10K0 R39

MUTE
4011 D40 914

10 5 6

U2B

4 +24V A
4011

7

U2C

6 5
10K0

U1B

DP1 5239 DP2 5239 DP3 5248

+33V

B

DIFF
TL084

10 9

COMP
TL084

8

R40 1K0 C31 220N

+24V B

B

12

BUFF
TL084

14

R38 100K

4

13

U1D

475R

-24V A -24V B
CM3 100N CM1 100N CM2 100N CP1 100N CP2 100N CP3 100N

DM1 5239 DM2 5239 DM3 5248 CP4 100N

-33V

A
11531B4B 11531B4B 11531B4B 11531B4B 11531B4B

REV 2 - CHANGES RB3 - CHANGE TO 10K0 RB4 - CHANGE TO 1MEG REMOVED DB3A IN BIAS CHAIN

11

Size :
LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

A

B
Rev : R2 1 of 1 D.M. 10

Title :

875 RIGHT CHANNEL R2
Sheet : Drawn :

1

2

3

4

5

6

7

8

File : Right channel R2.sch Date : 11-Sep-2003 9

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4

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TO FUSE PCB & POWER SW AC LO WW1

.22uF/250V C30 R30 221K 33000uF/6.3V 33000uF/6.3V C21 F1

J

J

RW1

RW2

C20 GSIB2540 BR1

Chassis

0R

0R

I
F3 3R R14 R13

H
PN100 R4 C2 10n C3 50n D2 1N4004 267K R6 475K R7 475R Q1 DLED

G

+

+

F

100V 120V

+

D13

+

E

16

1N4004

DM

D

C

+

B

A

1

2

+

AC HI WB1 WS2 J9 1 2

WS1

J8 2 1

+

499K 0.1uF/250v C4

R10

N G
JPWR

L

R9 475R

BTB 24800B Q3

I

33R 1N4737

22R IL4108 U2 R24 1K0

R15

F2

D5

LED1

H

12K1

16

15

14

13

12

11

10

9

R11

U1
1 2 3

TDA 1085C
4 5 6 7 8

G

R3 301K R1 200K R17 1K5/2w R17A 1K5/2w

R2 200K D1 1N4004 267R R18 220V 240V

1N4740 D3 1N4004 D4

C1 47uF/35V C6 1u5 C7 C5

R8

F

49K9

100uF/35V

+

100uF/35V D8 1N4762 R16 100K R5 100K

1N4004 30K/2W PR2 9

J1 OPT 'A'
D7 1N4758 D6 1N4758 R12 18K2

PR3 30K/2W 1N4004

100V 120V OPT 'B'

220V 240V

100uF/160V D11 1N4759 D12

C8 Q2 PN100

E

J2

1N4759

JMUTE
1 2 3
13 16 1 4 6 8 F4 11 9

D10 11 13 1N4004

RL2
JREM

RL1
8 6 4 1

D10A R19 RD RC D9 1N4004 40K0 RB RA 40K0 40K0 J3 220V 240V OPT 'C' R27 U3 18K2 R26 Q4 PN100 C11 475R 1N4004 40K0 2K0

4 3 2 1

OUT IN

D

12V TRIGGER 1N4004 1N4004 1N4004

DA

DC

DD

DB

PN100 Q5 R25 18K2

100R R23

49K9 R22 200R R20

100V 120V

C

1u5 C9

C10

2u2

+

10K0

200R

R28 2u2

R21

+

IL4108

B

Size :
LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

A
Rev :
A

J5

J6

J7
Title :
875 SOFT START

1650-2 1650-2 1650-2

R2 1
5

File : 875 Soft Start R3.Sch Date : 12-Dec-2003
3 4

Sheet : 1 Drawn :

of

1

2

3

4

5

6

7

8

9

10

E
JXLR

E

IND / BRIDGE A
S2

BAL / SE A
S1

B

B

P4 R1

1 2 3 4 5 6 7 8 9 10 11 12
CES-112-01-S-S

RLYA RLYB RLYSGND -IN +IN +IN -IN SGND RLY+ RLYB RLYA

RIGHT CHANNEL

LEFT CHANNEL

D

4K99

4K99

C

C

R1A

D

D

D
R2 4K99 4K99

E
R4 1K0

E
P3 R2A

J1R

F

F

J1L

C

RLYA RLYB RLYRLY+ TEMP1 +IN SGND -IN PWRIN PREO POUT PGND

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
EDAC 345.034

62-D02-6G

62-D02-6G

1K0 VR2

R3 475R R7 1K00 R5 10K00

R6 475R

VR1 1K0

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

RLYA RLYB RLYRLY+ TEMP2 +IN SGND -IN PWRIN PREO POUT PGND

C

B

BP4

BP3

BP2

BP1

EDAC 345.034

B

-

+

+

-

FC159802

FC159801

FC159801 FC159802

OUTPUT RIGHT

OUTPUT LEFT

Size :

A

LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

A
Rev : 1 of D.M. 1

A

Title :

875HT IN-OUT PCB
Sheet : Drawn :

1

2

3

4

5

6

7

File : HT_IN-OUT R2.Sch Date : 8-Oct-2003 8

9

10

1

2

3

4

5

6

7

8

9

10

E

JLED2

JLED1

E
COM RED4 GRN4 RED3 GRN3 RED2 GRN2 RED1 GRN1

1 2 3 4 5 6 7 8 9

RED8 GRN8 RED7 GRN7 RED6 GRN6 RED5 GRN5 COM

1 2 3 4 5 6 7 8 9

TSW-109-07-G-S

TSW-109-07-G-S

JCH8/4R

JCH7/4L

JCH6/3R

JCH5/3L

JCH4/2R

JCH3/2L

JCH2/1R

JCH1/1L

D

R18 100R

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

RED8 GRN8 RLY++ LGND -33V SGND +33V +48V -48V PGND

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

RED7 GRN7 RLYLGND -33V SGND +33V +48V -48V PGND

R5 100R

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

RED6 GRN6 RLY++ LGND -33V SGND +33V +48V -48V PGND

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

RED5 GRN5 RLYLGND -33V SGND +33V +48V -48V PGND

R7

100R

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

RED4 GRN4 RLY++ LGND -33V SGND +33V +48V -48V PGND

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

RED3 GRN3 RLYLGND -33V SGND +33V MT2 +48V -48V PGND

R8 100R

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

RED2 GRN2 RLY++ LGND -33V SGND +33V +48V -48V PGND

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

RED1 GRN1 RLYLGND -33V SGND +33V MT1 +48V -48V PGND
JPS1

D

JPS2

EDAC 345.034

EDAC 345.034

EDAC 345.034

EDAC 345.034

EDAC 345.034

EDAC 345.034

EDAC 345.034

EDAC 345.034

C

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
SSW-109-01-S-D

LGND_Z12 LGND_Z34 -33V_Z12 -33V_Z34 SGND_Z12 SGND_Z34 +33V_Z12 +33V_Z34 +48V_Z12 +48V_Z34 -48V_Z12 -48V_Z34 PGND_Z12 PGND_Z34 CHASSIS ZONE 4 ZONE 3 ZONE 2 ZONE 1 CHASSIS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
SSW-109-01-S-D

C

2

BR2 BRIDGE

10R 0R 0R 1K0 R14 R16 MJE15030 D8 4004

BR1 33u/35V C2 MJE15031 Q5 1K0 R19 QM4 2N5550 100K 100K RM4 RM3 QM3 2N5550 100K RM2 QM2 2N5550 100K RM1 QM1 2N5550 1N973 D3 D10 R4 10R zener 33u/35V C3 MJE15031 Q2 1K0 10R R20 1K0 R2 D1 1N973 C1 R1 MJE15030 4004 D2

2

BRIDGE

B
WRP

B 1 3 1 1 1
C6 100N WRP

1 1 1

1

3

+

D6 1N973 C4

4004

WBM

1N973 D5 R13 10R

4004

Q4

D7

+

D4

Q1

WBM

+

4

TXCT

R9 100R

33u/35V

R15

R3

33u/35V

R17 100R

4

+

TXCT

C5

100N R6 100K D9 1N970 499R R12 C7

JPWR JPRSW Q3 2N5550 R11 10R 10R

+
2u2/35V

1 2 3

MUTE LGND COM LED

R10

1 2 3 4
TSW-104-07-G-S

TSW-103-07-G-S

A
LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA

Size :
M1 BRYSTON LOGO

A

B
Rev : R1 1 of 1 D.M. 10

Title :

875 BUS POWER
Sheet : Drawn :

1

2

3

4

5

6

7

8

File : Bus Power R1.Sch Date : 11-Sep-2003 9