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