Bryston 875-B Schematic
10987654321
E
D
J1
17
PGND
16
15
14
POUT
13
12
MUTE
11
PREO
10
PWRIN
9
-IN
8
SGND
7
+IN
6
C
TEMP2
5
RLY+
4
RLY-
3
RLYB
2
RLYA
1
B
PGND
POUT
PWRIN
PREO
-IN
+IN
SGND
RLYA
RLYB
RLY+
TEMP2
RLY-
CB1
47p
WR1
RB14
49R9
RB2
10K0
RB1
4K99
CB2
220p
SW1
67L080
R14
LED's
+48V
PGND
SGND
LGND
-48V
RLY-
RED
GRN
+33V
-33V
RED
GRN
RLYLGND
-33V
SGND
+33V
MUTE
+48V
-48V
PGND
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
BUFFER INPUT DOA-68
33p
DB1
RB10
DB2
33p
RB9
150R
QB5
200
914
150R
914
QB6
100
RB11
150R
CB3
100N
914
DB3
914
JE182
DB4
QB7
RB12
68R
RB13
68R
QB8
JE172
R31
29K4
RB5
R45
R44
15K
QB1
QB3
RB7
15K
150K
150K
RB8
100K
RB6
100K
QB2
QB4
100
200
+24V B
CB4
CB5
R46
49K9
R47
49K9
-24V B
RB3
10K
100
200
RB4
1MEG
MUTEMUTE
0R
T
3
2
13
12
VR1
-24V A
RIN
1K0
BUFF
BUFF
10K
RM1
49K9
CIN
220p
TUNING LOOP
29K4
U1A
TL084
U1D
TL084
11
RP1
R32
49K9
ROF
R20
2K21
WB1
1
14
R33
R34
10K0
10K0
475K
200
C17
22p
R35
R7
100
2200u/10v
R24
6
5
10K0
4K75
Q8
CF2
Q9
4K75
R12
+
R36
DIFF
10K0
R13
15K0
15K0
Q10
U1B
TL084
+
470u/16V
R4
D42
Q4
100
1K0
1K0
Q12
200
R15
R22
914
100R
R3
C5
470p
C6
470p
R28
100R
R29
22R1
22R1
R43
MJE15031
R16
267R
R23
267R
MJE15030
1K21
Q3
11
1
47p
C13
1K5
Q5
200
914
Q11
100
1K5
R6
Q6
JE172
D3
R25
12
13
RF1
14K70
CF1 47p
C11 220p
U2D
TEMP
4011
C8
47p
C4
R9
2K21
VR3
2K0
R10
5K6
47p
200
100
Q14
220p
R8
100K
R21
100K
C9
47p
D7
914
RMU
4K75
100N
D8
914
C10
+24V A
C14
Q7
100
RF2
1K000
200
C15
220p
-24V A
2
U2C
8
MUTE
4
U1C
TL084
9
4011
914
R40
D40
8
C30 220p
R37
7
10
10K0
R39
475R
COMP
9
R38
100K
1K0
U2B
5
10
6
4011
C31
220N
-24V A
-24V B
C3
R2
475R
R26
475R
+
C7470u/16V
U2A
4011
4
+24V A
+24V B
CM3
100N
147
R1
100R
Q2
L2 2uH
Q13
0R
R11
R27
100R
CM1
100N
0R15
Q1
MJL21193
RL1
10R
MJL21194
D41
3
VR2
CM2
100N
PR1
R5
PR2
914
1K0
Q15
0R
0R15
CP1
100N
WR1
D1
4004
COUT
100N
D2
4004
R42
604R
R41
499R
CP2
100N
CP3
100N
RT2
10K0
RT3
10K0
CP4
100N
RT1
10K0
RT4
10K0
DP4
DP1
DP2
DP3
DM1
DM2
DM3
J3
1
2
3
4
5
BCS105
5248
5239
5239
5248
5239
5239
5248
TP1
TP2
E
D
C
B
A
11531B4B 11531B4B 11531B4B 11531B4B 11531B4B
1 2 3 4 5 6 7 8 9 10
REV 2 - CHANGES
RB3 - CHANGE TO 10K
RB4 - CHANGE TO 1MEG
REMOVE DB3A IN BIAS CHAIN
Drawn :
LTD
Rev :
D.M.
P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA
Title :
875 LEFT CHANNEL R2
File : Left channel R2.sch Sheet : 1 of 1
Date :
11-Sep-2003
Size :
R1
A
B
10987654321
E
D
J1
17
PGND
16
15
14
POUT
13
12
MUTE
11
PREO
10
PWRIN
9
-IN
8
SGND
7
+IN
6
C
TEMP1
5
RLY+
4
RLY-
3
RLYB
2
RLYA
1
B
PGND
POUT
PWRIN
PREO
-IN
+IN
SGND
RLYA
RLYB
TEMP1
RLY+
RLY-
CB1
47p
WR1
RB14
49R9
RB2
10K0
RB1
4K99
CB2
220p
SW1
67L080
LED's
+48V
PGND
SGND
LGND
-48V
RLY++
RED
GRN
+33V
-33V
RED
GRN
RLY++
LGND
-33V
SGND
+33V
MUTE
+48V
-48V
PGND
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
BUFFER INPUT DOA-68
RB5
RB3
10K0
15K
QB1
100
200
QB3
RB7
RB4
15K
1MEG
R5
MUTEMUTE
0R
RB8
100K
RB6
100K
QB2
QB4
100
200
+24V B
CB4
CB5
-24V B
33p
DB1
RB10
DB2
33p
RB9
150R
QB5
200
914
150R
914
QB6
100
RB11
150R
CB3
100N
914
DB3
914
JE182
DB4
QB7
RB12
68R
RB13
68R
QB8
JE172
R31
29K4
VR1
RIN
1K0
-24V A
RP1
49K9
10K
ROF
RM1
49K9
R20
2K21
CIN
220p
WB1
TUNING LOOP
R32
29K4
475K
200
C17
22p
R24
R7
4K75
Q8
100
CF2
2200u/10v
Q9
4K75
+
470u/16V
R4
Q4
100
1K0
1K0
Q12
200
R15
R22
100R
R3
C5
470p
C6
470p
R28
100R
R29
22R1
MJE15031
R16
267R
R23
267R
MJE15030
22R1
Q3
47p
C13
1K5
Q5
200
914
Q11
100
1K5
R6
Q6
JE172
D3
R25
RF1
14K70
CF1 47p
C11 220p
C8
47p
C4
R9
2K21
VR3
2K0
R10
5K6
47p
200
100
Q14
220p
R8
100K
R21
100K
C9
47p
D7
914
RMU
4K75
100N
D8
914
C10
R13
15K0
Q10
+24V A
C14
Q7
100
RF2
1K000
200
C15
220p
-24V A
R12
+
15K0
C3
R2
475R
R26
475R
+
C7470u/16V
R1
100R
Q2
L2 2uH
Q13
R27
100R
RL1
10R
PR1
0R15
Q1
MJL21193
Q15
MJL21194
PR2
0R15
WR1
D1
4004
COUT
100N
D2
4004
RT2
10K0
RT3
10K0
RT1
10K0
RT4
10K0
J3
1
2
3
4
5
BCS105
TP1
TP2
RLY++
T
R45
R44
150K
150K
R46
R47
49K9
49K9
BUFF
BUFF
U1A
TL084
U1D
TL084
1
R33
10K0
10K0
R34
R35
14
R36
10K0
10K0
DIFF
U1B
TL084
R37
7
10K0
R39
6
5
475R
10
9
C30 220p
COMP
4
R38
100K
U1C
TL084
3
2
13
12
11
U2D
12
TEMP
13
4011
U2C
8
MUTE
9
4011
D40
8
914
R40
1K0
D42
11
10
R43
147
1K21
914
1
U2A
4011
2
U2B
5
6
4011
4
+24V A
D41
3
+24V B
C31
220N
-24V A
-24V B
CM3
CM1
100N
CM2
100N
100N
VR2
914
1K0
CP1
100N
R42
R41
604R
499R
CP2
100N
CP3
100N
CP4
100N
DP4
DP1
DP2
DP3
DM1
DM2
DM3
5248
5239
5239
5248
5239
5239
5248
E
D
C
B
A
11531B4B 11531B4B 11531B4B 11531B4B 11531B4B
1 2 3 4 5 6 7 8 9 10
REV 2 - CHANGES
RB3 - CHANGE TO 10K0
RB4 - CHANGE TO 1MEG
REMOVED DB3A IN BIAS CHAIN
Drawn :
LTD
Rev :
D.M.
P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA
Title :
875 RIGHT CHANNEL R2
File : Right channel R2.sch Sheet : 1 of 1
Date :
11-Sep-2003
Size :
R2
A
B
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