Bryston B135 Schematic
R2
PRELIMINARY
DGND +5V
+V
2K21
1C5
100n
1
J1
+
C1
G
+V
1.5u
C2 220p
C3220p
R1
2K21
123
4
J3
1J35
4
+5VD
TOSL2
EXT 12V TRIG
AUX IR
123
DGND
TOSL1
1J31
1J24
RS232 PORT
1J30
523
123
4
TRIG2
TRIG1
Tx
Rx
DGND
B135 BP17 IN OUT Board R1
1C12
AGNDL
100n
DACPHONO
LAUB
LDAB
12
LAUA
LDAA
3
4
AGNDLAGNDL
56
SDATA
CS_DIG
78
TOSL1
910
+
SCLCK
+12V +12V
RLY1 RLY2 RLY3 RLY4 RLY5 RLY6 RLY7
1RL1
1C13 100n
RAUA
RAUB
DGND
TOSL2
+
+12V +12V +12V +12V +12V +12V
+12V
RLY1 RLY2 RLY3 RLY4 RLY5 RLY6
1RL9
+
+24VL-24VL
11 12
-24VL
1J22
1RL2+1RL3+1RL4+1RL5+1RL6
AGNDR
DACPHONO
RDAA
12
RDAB
3
4
AGNDRAGNDR
56
OPT2
78
910
+
+24VR
11 12
-24VR
1J33
1RL10+1RL11+1RL12+1RL13+1RL14
AGNDL
AGNDR
-V_RLY
SCLCK
SDATA
DGND
+5VD
CS_RLY
OE
-V_RLY
1R17
100R
1D1
LPHB
12
LPHA
3
56
78
910
1J21
1IC1 MIC5841
Vee
SCK
SDI
Vss
Vdd
SDO
CS
OE
Vee K
RELAY DRIVERS
12
RPHA
3
RPHB
56
78
OPT1
910
1J32
OPTIONS INPUTS
4
+24VL
RLY2
OUT1
RLY1
OUT2
RLY3
OUT3
RLY4
OUT4
RLY5
OUT5
RLY6
OUT6
RLY7
OUT7
RLY8
OUT8
+12V
4
+24VR
-24VR
B135 BP17 TosLink Board R1
J2
G
A A
B B
OPTION BOARD DAC
+12FD
Vin Vout
IC3
L3
C7
100n
1N914
D1
AGND
SPDIF1+
C11 100n
T1
SPDIF2+
RL1
SPDIF1-
SPDIF2-
+
C12 10n
RLY1
TOSL1
TOSL2
RL2
DGND DGND
+
RLY2
R22
AOL-
499R
1K0
C31
560p
C33
470p
C32
560p
R26
499R
1K0
AOL+
R23
R24
150p
C C
D D
1K0
AGNDL
R29
R32
AOR-
1K0
499R
C36
560p
C38470p
C37
560p
AOR+
499R
1K0
R30
R31
1K0
AGNDR
R2
+24VL
+
AGNDL
C20
47u BP
PIL+
R35
49K9
C28
PIL-
1K21
+
470u
LEFT
AGNDL
+
C35
R56
-24VL
15R
RIGHT
+12V
+5.5VA
F1
GND
MC78L05
C14
22u
C8
100n
R3
301R
R25
C34
R33
C39
150p
15RR115R
C1
C2
1000u
1000u
R31
1K0
R47
1000u
C38
15R
R57
.30A
L1
C3
C1
+
+
+
R4
1K78
C45
C17
8.2n
+5VD
+24VL
C41
+
C43
+24VL-24VL
R35
+24VR
+
C47
+24VR-24VR
100u
47K5
47K5
47K5
47K5
47K5
47K5
47K5
47K5
49R9
R28
SH1
3
6
+
1
RLY4
MUTEO
8
RL4
49R9
SH2
DGND
C2
100n
EMPH
R7E
R7F
R7G
FILT MCLK
RST1
10
R7H
11
R5H
12
R5F
13
R5H
14 15
R5G
ERR
OUT_L
2
4
AGNDL
7
AGNDR
5
OUT_R
1
2
SCLCK
3
SDATA
4
CS_DAC
5
RLY2
6
RLY4
7
RLY1
89
RLY3
+
C15
100n
RL3
+
C13
10n
R27
C35 150pF*
DOA-68_L
-24VL
C42
C44
R34
C40 150p
-24VR
C46
C48
RLY3
C16
470n
1K0
IN_L-
OUT_L
IN_L+
100u
AGNDL
1K0
IN_R-
OUT_R
IN_R+
100u
OPTION BOARD PHONO
R19
+
C3
49K9R33K32
150R
47pF
R11
Q1
Q13
200A
100A
Q18
22p
Q17
C12
D2
1N914
D1
100A
R37
100A
Q3
200AQ4200A
3K32
49K9
+
R5
R13
68R1
1N914
R21
150R
C23 .1uF*
R39
1N914
68R1
D5
D6
C13
Q29
1N914
22p
R49
Q21
200A
100A
R23
33n
150R
C5 47pF
1
2
3
4
5
6
7
8
9
Vss
SCK
SDI
STR
Out1
Out2
Out3
Out4 Out5
8K45
RIGHT CHANNEL IDENTICAL TO LEFT
B135/BP17 PHONO BOARD R1
1
+12FD
IC1 MC78L05
Vin Vout
100n
DGND
COPY
DFC0
U/EMPH
RXP
IC7
RXN
CS8420
VA+
AGND
FILT
/RST
RMCK
RERR
TCBLD
PRO/C
MUTE TCBL
SPDIF1-
12
SPDIF1+
34
56
CS_DAC
78
910
TOSL1
SCLCK
11 12
J1
J2
12
SPDIF2-
34
56
AGNDR
78
DGND
910
TOSL2
11 12
+12V
IC9
SDO
Vdd
Vbb
Out8
Out7
Out6
MIC5891
AGNDL
R32
1K0
R45
C27
6K81
+
470u
88k7
R52
C31 22p
C41
C43
33n
+5VA
L2
GND
C4
100n
C5 100n
28
ORIG
47K5
27
DFC1
47K5
26
TXP
47K5
25
TXN
47K5
24
H/S
47K5
23
VD+
22
DGND
21
OMCK
R5E
20
S/AES
47K5
19
V/AUDIO
Audio
47K5
18
SDOUT
17
R8G
OLRCK
16
OSCLK
47K5
AGNDL
OUT_L
AGNDLAGNDL
SDATA
+24VL
-24VL
+5VD
OUT_RSPDIF2+
OPT2
+24VR
-24VR
4K99
+5VD
16
15
14
OE
13
+12FD
12
RST_SRC
11
RST_DAC
10
R4
R12
49K9
3K32
C19
47pF
Q19
Q20
100A
100A
Q5
Q6
200A
200A
3K32
49K9
R6
R14
2
Left Channel I/O
PHONO
AUX
CD
TUNER
TV
2J2
2J5
2LTVB
2LAUA
AGNDL2
AGNDL2
1
2
2CON19
1CON9
1
2
LAUA
AGNDL
AGNDL
LTUA
LTUB
RTUA
RTUB
+5VD
C20
IC6
C6
1
NC
24.576 MHz
23
GND OUT
IC8 CS43122
1
RST2
/RST
2
M4
3
M3
4
M2
5
M0
6
DGND
7
C22
VD
100n
8
VD
9
DGND
10
MCLK
11
SCLK
12
LRCK
13
SDATA
14
M1 /MUTE
R21
+5VD
10K
R18
D2
1N914
1K0
R19
D3
47K
1N914
RST2
GND
DGND
RST1
GND
DGND
100A
D4
1N914D31N914
R38
68R1
POL+ PIL+
R40
68R1
200A
R54
110K
C33 680p
C45 680pF*
PIR-
OPT1
2J4
2LAUB
12345
2CON13
1CON3
12345
LAUB
100nF
Vdd
2N7002
J1
2
4
6
J2
1
2
3
4
5
6
78
910
2LTUA
LTUA
CMOUT
AOUTLÂAOUTL+
AOUTR+
AOUTR-
/MUTEC
100R
Q1
1
3
5
78
910
VIDEO
2J6
2LTUB
2LVIA
LTUB
LVIA
RTVA
RTVB
+5VD
4
MCLK
28
VREF
27
FILT+
26
FILT-
25
24
AOL-
23
AOL+
22
VA
21
AGND
20
AOR+
19
AOR-MCLK
18
AGND
17
MUTEC
16
C/H
15
R20
100n
C50
J5
J4
J3
PIL-
AGNDL
+24VL
-24VL
POR+PIR+
AGNDR
+24VR
-24VR
2J1
2J3
2LPHA
2LCDA
2LCDB
2LTVA
2LPHB
12345
2CON11
1CON1
12345
LPHA
LPHB
LCDA
LCDB
LTVA
LCDA
LCDB
RCDA
RCDB
B135/BP17 DAC Board R1
IC2
MC7805
IN OUT
GND
100n
DGND
+5VD
R7A
R7B
R8D
47K5
R7C
R8C
47K5
R7D
R8B
C18
47K5
R8E
100n
R8A
47K5
C21
+
+
C19
22u
22u
R10
100R
R11
100R
100R
R12
R5A
Audio
ERR
R2
10K
R16
IN RSET
221R
1K0
IC5
R17
MC34064
Q4
MMBT200A
R36
R1
10K
R9
221R
IN RSET
IC4
1K0
R14
MC34064
Q3
MMBT200A
R15
4K99
C4
R20
47pF
150R
Q2
200A
Q14
C11
22p
150R
C24 .1uF*
R22
D7
1N914D81N914
C14
22p
Q30
Q22
100A
C6
R24
47pF
150R
2
3
FROM REC
TO REC
2LVIB
LVIB
LTVA
LTVB
100u
DGND
Q2
TN5325
DGND
2J8
2LRIA
2LRIB
12345
2CON14
1CON4
12345
LRIB
LRIA
+5.5VA
C23
C25
100u
C27 22u
+
+
C29 22u
AGND
DGND
AGND
AGNDR
AGNDL
PRE OUT
PWR IN
2J10
2PAGNDL
2LPIA
LPIA
PAGNDL
LVIA
LVIB
RVIA
RVIB
C24
+
100n
C26
+
100n
C28
100n
C30
100n
MUTEOOPT2
2J7
2LTVB
2LROA
2AGNDL
2AGNDL2
12345
2CON12
1CON2
12345
AGNDL
AGNDL
LTVB
LROA
TO
58
3
PAGNDL
4
1
DGND
10
12
SGR
2J9
2LPOA
LPOA
1R11
49K9
1R1
1R2
1R12
1RL17
+
1D2
1Q1
TN5325
BP3
BP4
LEFT SPEAKER
1RL18
1D3
BP1
BP2
RIGHT SPEAKER
1K0
1K0
49K9
1R20
1R14
MUTE
OUTPUT
+
OUTPUT
PRE OUT
AGNDL
B135 BP17 TAPE Buffer
AGNDR
1C10
10
9
12
1S2
0R0
10K
POUT2
PGL
1C11
3
4589
1
P_IN_R
0R0
10K
POUTR
PGL
3J19
3RPOA
RPOA
TIL-
TIL+
TIR+
TIR-
47n
TEMP
P_IN_L
PAGNDL
1R19
1R13
47n
RLY+
TEMP
Right Channel I/O
FROM REC
TO REC
POWER IN
3J17
3J18
3J20
3RTVA
3RRIA
3RRIB
3AGNDR2
3PAGNDR
3RROA
3RPIA
3AGNDR
12345
12345
3CON15
3CON17
1CON5
1CON7
12345
12345
AGNDR
AGNDR
RROA
RTVA
RPIA
RRIA
RRIB
PAGNDR
EXT 12V TRIG
LRIA
LRIB
1R5
LROA
TOL
604R
+24VL
+24VL
-24VL
-24VL
+24VR
+24VR
-24VR
-24VR
RROA
TOR
604R
1R6
RRIB
RRIA
1J28
1P1
RLYA
1
1
RLYB
2
2
RLY-
3
3
RLY+
4
4
TEMP
5
5
+IN
6
6
7
7
AGNDL
-IN
8
8
PWRIN
9
9
PREO
10
10
MUTE
11
11
12
12
13
POUTL
13
14
14
15
15
16
PGL
16
17
17
P_OUT_L-
Channel B Power Amp
49R9
1J29
1P1
RLYA
1
1
RLYB
2
2
RLY-
3
3
RLY+
4
4
TEMP
5
5
+IN
6
6
7
7
-IN
8
8
PWRIN
9
9
PREO
10
10
MUTE
11
11
12
12
13
POUTR
13
14
14
15
15
16
PGR
16
17
17
Channel A Power Amp
AUX
TUNER
VIDEO
AGNDR3
3RVIA
1
3CON110
1CON10
1
RVIA
AGNDR
+
+12V+12V+12V+12V+12V
1RL7
AGNDR
+
1RL15
TV
3J12
3J14
3J15
3J16
3RTVA
AGNDR3
3RAUA
3RAUB
3RTUA
3RTUB
3RVIB
12345
2
3CON18
1CON8
12345
2
RVIB
RTUB
RTUA
RAUB
RAUA
AGNDR
1R7
10K0*
1R3
6K65
AGNDL
1R8
10K0*
1R30
100R*
1C16
47pF
1R16
49K9*
AGNDL
1R21
1R24
10K0*
1R23
6K65
1R25
10K0*
+12V
1R29
RLY7
100R*
1C17
1R26
49K9*
47p
1R28
AGNDR
LEFT CHANNEL
RIGHT CHANNEL
CP1
CB1
22pF
RB5
.1uF
RB9
150R
115k
RB3
10k0
4k99 *
RB6
QB5
CBF 47pF
4k99 *
RB14
D3
1N914
1N914
RB4
4k99 *
4k99 *
RB1
RB2
RB16
SGR
2SA1312
CB2
RB15
22pF
DB1
2SC3324
1N914
2SC3324
QB1
QB2
RB10
D4
150R
QB4
QB3
DB2
1N914
2SA1312
2SA1312
CB3
22pF
QB6
4k99 *
2SC3324
RB7
115k
10k0
CB4
22pF
150R
RB8
4k99 *
CM1
+33
+15
.1uF
DP4 18V
9.1V
DP1
+24V A
DP2 9.1V
+24V B
DM1
9.1V
-24V A
9.1V
DM2
-24V B
DM3 18V
-15
100uF/35V
CD
3J13
3RCDA
3RCDB
3RTVB
12345
3CON16
1CON6
12345
RTVB
RCDB
RCDA
1C2 47p
1R9
20K0*
B135 BP17 Input Buffers Left R1
LA-
LAO
LA+
+24VL
-24VL
LB-
LBO
LB+
1C4 47p
1R10
10K0*
1C14
20K0*
RA-
RAO
RA+
+24VR
-24VR
RB-
RBO
RB+
1C15 47p
10K0*
+24V B
SG
2SC3324
DB3
1N914
CB5
.1uF*
DB4
1N914
2SA1312
-24V B
RB11
RPP
10R
+
CP5
100uF/35V
-33
RMM
10R
CM4
PHONO
3J11
3RPHA
3RPHB
RPHB
RPHA
6db
6db
47pF
QB7
RB12
68R1
68R1
RB13
QB8
+33V
SGR
-33V
SGR
+
B135 INTEGRATED AMPLIFIER
3
4
1J34
J6
SDATA
SDATA
1
MUTE
MUTE
2
TO
TO
3
4
DGND
DGND
5
+5VD
+5VD
6
OE
OE
7
OPT1
CS_DAC
OPT1
8
-V_RLY
-V_RLY
9
+12V
+12V
10
SCLCK
SCLCK
11
12
CS_DIG
13
14
DGND
DGND
15
+5VD
+5VD
16
CS_RLY
CS_RLY
17
OPT2
OPT2
18
-V_RLY
-V_RLY
19
+12V
+12V
20
1J25
1C1
68u
+
+24VL
-24VL
1C3
68u
1C19
68u
+
+24VR
-24VR
+
1C18
68u
1SW1A
PRE-OUT
+
LPOA
MUTE
1SW1B
1S3
+
+12V
RLY8
AGNDL
1RL8
LPIA
AGNDL
1SW2A
RPOA
MUTE
+
+12V
1SW2B
1RL16
RLY8
+24VR
1S4
RPIA
AGNDR
J1
1
1
2
2
3
3
4
4
5
5
6
6
PGL
J4
1J27
1
P_IN_L
1
2
PWR-IN
+24VL
P_IN_R
2
3
3
4
4
5
-24VL
5
6
6
7
7
8
8
9
9
1C7
1C6
+
10
10
11
+
47u
47u
11
12
12
1J26
J2
1
1
2
2
3
3
4
4
AGNDR
5
5
6
6
J7
1J23
TX
TX
12
1
RX
RX
11
2
PGR
TRIG2
TRIG2
10
3
TRIG1
TRIG1
9
4
8
-24VR
5
7
6
6
7
5
8
4
9
1C9
1C8
+
3
10
2
+
47u
47u
11
1
12
T
SW1
Circuitry identical to channel 'A'
-24V A
RM1
29k4
SH1
+
CIN1
68u
R20
2k21 *
CIN2
220pF*
100K*
WB1
RIN
TUNING LOOP
SGR
R32
29k4
29k4
R31
CC1
470p
IN-
3
BUFF
2
13
BUFF
12
IN+
CP2
R12
R7
+24V A
RLY+
TEMP
1k5
.1uF
C9
T
R6
D7
15k0
4k75
4k75
R33
R34
+
Q9
.1uF
RF2
Q10
2SA1312
R13
15k0
10k0
6
DIFF
5
U1B
10k0
R35
1N914
SGR
C14
220p
R8
100k
RLYA
Q7
2SC3324
1k1*
CF1 100p
14k7*
RF1
R21
100k
C15
220pF
D8
1N914
SGR
CM2
.1uF
CLIPPING INDICAT OR
R36
R37
7
10k0
R39
475R
LGR
100p
A92
Q5
SW1
2SA1312
2k21 *
R9
VR3
4k75
RMU
1K
Q6
C13
.1uF
JE172
D5
R10
5k62
1N914
C11
SGR
220pF
RLYB
C8
Q12
47pF
Q11
Q14
2SC3324
A42
R25
C10
1k5
100pF
RLY+
LGR
C30
220pF
U1C
RLY-
8910
COMP
4
100k
+15
R38
CP3
D40
.1uF
1N914
RP1
29k4
10K
VR1
ROF
475k
Q8
2SC3324
CF2
2200uF
2SA1312
R24
-24V A
1
U1A
10k0
10k0
U1D
14
CM3
11
4
5
+24VL
+15VL
IC4
out
in
gnd
gnd
C30100u
C2100nC10100n
+
C5100n
gnd
gnd
MC78L15
C31100u
+
IC11
MC79L15
outin
in
-24VL -24VR
gndinin
100n
C23
IC6
in
gnd
C33100n
C9100n
C41100n
C3910u
+
gnd
MC78L05
AGNDL AGNDR
C24100n
C43100n
C4410u
+
B135 BP17 LC Board R1
+15VL -15VL
+5VL
12 13
LEFT
4
Va-
Va+
Vd+
R32
IC1
11
16
VoutR
VinL
4K99*
PGA2320
C26
15
AGNDL
100n
9
5
DGND
R12
49R9
R11
10K
C8 220p
AGNDL
R10
22R1
-24VL
+24VL
AGNDL
4
+5VR
16
C27
100n
9
5
DGND
R18
49R9
R17
10K
C12 220p
R16
AGNDR
-24VR
22R1
+24VR
AGNDR
470uF
+
C3
R4
22R1
R3
Q3
100R
R2
47p
475R
Q4
5551
C4
MJE15031
Q2
C5
R15
1k0
R16
1nF
267R
COUT 100N
PG
C6 1nF
1k0
267R
R22
R23
MJE15030
Q13
5401
475R
R28
R26
100R
22R1
+
R29
C7
470uF
IC-MC14011BDR2G
R45
150k
10
49k9
R46
U2C U2D
9
R47
49k9
150k
R44
DM7
CLIP
5
1N914
4
U2B
DM8
6
1N914
C31
220pF
R40
LG
1k0
VinR
DGND
123
R13
ZCEN
12 13
Vd+
VinL
VinR
DGND
123
R14
ZCEN
R1
100R
MJL21194
R27
100R
12138
ZCENCSSDI
R29
R30
100R
100R
CS_LEFT
SDATA
+15VR -15VR
PGA2320
ZCENCSSDI
R43
R44
100R
100R
CS_RIGHT
SDATA
Q1
L1 2uH
Q15
PR2
TEMPMUTE
7
2
U2A
1
14
+15-15
R33
14
VoutL
4K99*
10
AGNDR
SCLK
SDO
MUTE
678
AGNDL
R9
R41
R42
10K
100R
100R
100R
DGND
MT_LC
SCLCK
Va-
Va+
R36
IC2
11
4K99*
VoutL
15
AGNDR
AGNDL
14
VoutR
4K99*
R37
10
AGNDR
C48 47p
SCLK
SDO
MUTE
678
R8
R45
R46
10K
14 15
SDATA
100R
100R
100R
11
SCLCK
DGND
CS_OEX
MT_LC
SCLCK
12
10
+5VD
13
OE
C49
9
220p
8
DGND
AGNDL
10k0
RT2
+55V
0R12
RT1
PR1
10k0
D1
MJL21193
RL1
5R1
POUT
D2
RT4
J35
10k0
-55V
0R12
RT3
J34
10k0
TO LED's
D42
R43
11
1N914
20k0
LG
R42
D41
3
5k62
1N914
CP4
LGR
R41
.1uF
VR2
1K
5
+5VL
out
gnd
C36100n
C34
+
gnd
10u
DGND
LEVEL CONTROL
C7
47p
R31
4K99*
DOA-68L
DLI-
DOL
-24VL
DLI+
+24VL-24VL
4K99*
C11 47p
R34
47p
C47
R35
4K99*
DOA-68R
DRI-
DOR
+24VR
DRI+
R38
4K99*
+24VR -24VR
74HC595
Q0DS
IC3
1
Q1
2
TRIG_1
Q2
CLK
3
TRIG_2
Q3
CS
4
Q4
5
MT_LC
MR
Q5
6
MUTE
Q6
OE
7
ZCEN
Q7
DO
16
GND
Vcc
Output Expander
1P2
RED
1
GRN
2
RLY+
3
4
LG
5
-33V
6
7
+33V
8
9
10
+55V
11
12
13
-55V
14
15
16
PGL
17
JB
J31
1
J32
2
J33
3
J34
4
J35
5
1P2
RED
1
GRN
2
RLY-
3
4
LGR
5
-33V
6
SGR
7
+33V
8
9
10
+55V
11
12
13
-55V
14
15
16
PGR
17
499R
+24VR
C29100u
C6100nC14100n
C21100n
+
C32100u
+
MC79L15
in
C25100n
R3
AGNDL
1K0
R39
100R
+24VL
R2
20K
AGNDL
AGNDR
R40
100R
-24VR
R20
C15
20K
47pF
AGNDR
499R
R25
R15
499R
R26
10K
10K
R7
C17
DGND
100nF
+5VD
B135 2BSST CH B PSB R1
J1
1RED
1
1GN
2
RLY+
3
100R
1LG
4
-33VB
5
1SG
6
0R
+33VR
7
8
9
+55VB
10
11
12
-55VB
13
14
15
CM
16
17
+
20k0
RBM
15,000u
TP1
BIAS
TP2
J1
2RED
1
2GN
2
MUTE RELAYS
RLY-
3
2LG
4
5
-33VA
6
2SG
7
+33VA
8
9
10
+55VA
11
12
13
-55VA
14
15
16
CM15,000u
17
+
MC78L15
out
in
gnd
gnd
C22100n
gnd
gnd
IC10
-15VR-15VL
outin
IC12
C28100n
C45100n
gndinin
C1 47p
R1
4K99*
Headphone Buffer L
DOA-68L
HLI-
HOL
+24VL
HLI+
C3
+24VL -24VL
47p
+24VR
+
1C8
47u
PGNDR
+
1C9
47u
-24VR
C13 47p
R21
R19
1K0
Headphone Buffer R
DOA-68R
HRI-
HOR
+24VR
HRI+
+24VR -24VR
SFH6156-4T
+12V
IC8
SFH6156-4T
IC9
R28
49K9
49K9
+55VB
RRL
RLG0R
RSG
+
CP
RBP
20k0
15,000u
WRPWBMTXCT
PGL
B135 2BSST CHA PSB R1
+55VA
CT
DMT
24v
100u
QM
RBM
RBP
CP15, 000u
+
20k0
WRPWBMTXCT
PGR
+15VR
C42100n
C4010u
+12V
C4610u
100n
+
-24VL
4K99*
-24VR
R47
240R
R48
240R
R27
3k83
C133u
+
+
C3 33u
R3
3k83
RJ
0R
RM1
3k83
+
D1
2SG
30V
3k83
R3
20k0
-55VA
MC78L05
in
gnd
C38100n
+
gnd
IC7
DGND
MC78L05
out
in
C18
gnd
gnd
gnd
gnd
IC5
DGND
22R1
R4
R5
C4220p
10K
C16220p
10K
R23
R22
22R1
AGNRL
RIGHT
AGNDR AGNDR
1 2
J7
AGNDR
3 4
+24VR +24VR
5 6
7 8
TRIG1 TR IG2
9 10
11 12
Q1D2R1
C1A100u
+
D1
30V
+
D3
30V
C3A 100u
Q2
MJE15031
D4
-55VB
10k0
D2
MJE15030
R1
Q1
C133u
C1A100u
+
+
30V
D3
C333u
C3A100u
+
+
MJE15031
Q2
D4
-33VA
CHASSIS
out
gnd
gnd
AGNDL
PGR
6
+5VD
C19100n
PGNDL1
+24VL
SH1
R6
49R9
49R9
R24
SH2
+24VR
PGNDR1
+33VR
-33VB
BR1
R17
6
+5VR
C35100n
C20100u
+
-24VL
+5StB
CS_DAC
SCLCK
SDATA
RS232_RX
RS232_TX
CS_RLY
TO
HDPH_L
HDPH_R
DGND
DGND
CS_LEFT
CS_OEX
CS_RIGHT
OE
OPT2
OPT1
-V_RLY
-V_RLY
+12V
+12V
-24VR
AGNDR
-24VR-24VR
RS232_RXRS232_TX
R10
10R
10R
R11
100R
C6 100N
TF1
RED
BLU
VIO
SAFETY CRITICAL
+33VA
R10
10R
R11
10R
RSG
0R
GND ISOLATOR
R17
100R
C6 100n
TF2
RED
BLU
VIO
C3710u
+
J5
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
JPW1
GLED
1
RLED
2
3
-
4
5
6
+
7
8
9
10
11
12
CHASSIS
JTX1
ORN
YEL
BRN
WHT
GRY
BLK
CHASSIS
JPW2
2RED
1
2GN
2
-
3
4
5
6
+
7
8
9
10
11
12
BR1
JTX2
ORN
YEL
BRN
WHT
GRY
BLK
P2
SRC1
AUX1/DAC
5 2
6 3
4 1
4 1
LED1
LED2
R1
5K49
R2G
24K9
R2B
6K81
R4B
1
-24VL
2
3
PGNDL
4
5
+24VL
6
7
+5StB
8
SCLCK
9
SDATA
10
RS232_RX
11
RS232_TX
12
13
14
HDPH_L
15
HDPH_R
16
17
18
DGND
CS_LEFT
19
CS_OEX
20
CS_RIGHT
21
J9
OE
22
OPT2
23
OPT1
24
25
HP JACK
-V_RLY
26
27
+12V
28
29
+24VR
30
31
PGNDR
32
33
-24VR
34
B135 Motor Pot Board
J7
CLIP_L
1
-33VL
2
3
C20100n
4
5
6
+33VL
7
8
9
10
11
S1
C26 100n
12
CON2S
CHASSIS
B135 STAR T BOARD R1
YEL
GRY
ORG
TF1 PRIMARY
WHT
BRN
AC2
WV1
WB1
WR1
C5
P1
10N
CHA1
R1
V-1
V+1
C6
10N
WGY1
WGY2
J2
+33VR
1
CLIP_R
2
3
C28100nC30 100n
4
5
6
7
8
9
10
S2
11
12
-33VR
CHASSIS
J2
YEL
YEL
J1
GRY
GRY
100-220
J3
ORG
ORG
J4
WHT
WHT
BRN
J5
BRN
AC2
220-240
J6
AC2
WR2
WB2
WV2
CHA2
10N
C2
V-1
V+1
BRT2
C1
WGY3
10N
WGY4
CHASSIS
SRC2
AUX2/PHONO
5 2
6 3
4 1
LED3
R3
5K49
R4G
24K9
6K81
R6B
15 16 1234567
IC2 74HC595
RED
NO1
C1
NC1
LEFT
NC2
C2
NO2
+
MOTOR
P1
-
RK16812MG
IC6
MC7824CT
IC12
MC7924CT
C7
10N
BRT1
C8
10N
IC11
MC7824CT
IC13
MC7924CT
SAF ETY CRITICAL PARTS
CF1
100
3900u
+
120-240
120
100-120
10N
C3
C4
10N
R1
B135 BP17 FRONT PANEL BOARD
SRC3
SRC4
SRC5
TUNER
TV/SAT
5 2
6 3
5 2
6 3
4 1
5 2
4 1
LED4
LED5
R5
R7
R9
5K49
5K49
R6G
24K9
R8G
24K9
6K81
R8B
6K81
R10B
6K81
Vcc
1234567
Q2Q3Q4Q5Q6
Q7
Q1
Q0DS
Vcc
C17
100nF
CLK
CS
MR
GND
DO
OE
891011 12 1314
DGND DGND
J10
J4
RIGHT
1
1
GND
CHASSIS_L
2
2
LEFT
GND
3
3
4
4
5
DGND
5
MTIN
Headphones
6
6
200A
Vcc
Q4
R27
10K
Q1
200A
DGND
J3
J1
C25
68u
1
1
2
2
3
3
R25
4
4
10R
5
5
R26
6
6
10R
R29
24K9
C10
3900u
+
C22100n+C6100u
C27 100n
-24VL
+24VR
C31 100n C29100n
-24VR
DC FILTER
CF3
3900u
+
CSN .22u
PGL
C7100u
+
+
C8
100u
PGR
C16100u
+
CF4
3900u
BR1
BTB24800B
G
Q3
RSN
100R 3W
Safety Critical Parts
1u
221K
RAC
U1
3R
RG2
+24VL
CF2
+
B135 START BOARD R1
7
SRC6
SRC7
DVD
CD
REC
6 3
R12G
24K9
R14B
Q2Q3Q4Q5Q6
CLK
CS
CS_MISC
CS_OEX
CS_DAC
CS_RIGHT
CS_LEFT
CS_RED
CS_GRN
CS_RLY
R33
1K0
R34
0R0
1K0
.22u
IC5A
R36
200K
IC5B
4 1
LED7
6K81
74HC595
MR
RX
TX
DGND
+5StB
5 2
R13
5K49
Q7
OE
38
39
40
41
2
2
3
3
4
4
5
5
1
1
44
VOL_DN
VOL_UP
100R
R43
10K
100V UNIT REF
AN/DIG
6 3
5 2
6 3
4 1
4 1
LED8
LED9
R15
5K49
R14G
24K9
R16G
24K9
R16B
6K81
R18B
Vcc
C18100nF
Vcc
GND
DO
891011 12 1314
SCLCK
SDATA
OE
A_ON
IR_G
IR_R
Vmon
32
37
42
43
2021222324
25
35
36
RE0
RC0NCRC1
RC2
RC3
RC4
RC5
RD0
IC1
RD1
PIC16F877A-I/PT
RD2
RD3
RD4
RD5
RD6
RD7
RC7
RC6
RA0
RE1
RE2
OSC1
OSC2
19
26
27
31
LEVEL
16 MHz
X1
R31
C12
100n
DGND
Vmon
6 3
5 2
4 1
LED6
R11
5K49
R10G
24K9
5K49
R12B
6K81
15 16 1234567
Q1
Q0DS
IC3
GREEN
100A
Q3
R28
10K
Q2
100A
R32
C9
C11
100n
DGND
R30
200K
+V
Vcc
R49
R41
10K
R44
30K
115K
R45
10K
R42
10K
DGND
+5StB
+5Pic
S2
+
100n
100u
100p
C3
C4
C15 100n
C32 100p
C33
J13
PAC
AC IN
R1
50R*
J5V
fuse
ACL
ACH
AC1
JON
RG1
12
150R
AC2
AC2
ACLL
0.1u
CAC
TURN ON
IL4108
R1 220/240V Units only
85-260Vac to 5Vdc
1264
PS5V
+5StB
3
7
8
MUTE
6 3
5 2
4 1
LED11
R21
5K49
R20G
24K9
R50B
6K81
Vcc
Q7
Vcc
GND
DO
OE
891011 12 1314
SWI3
SWI2
SWI1
MTIN
SRC2 SRC3
OPT1
OPT2
SRC1
SW0
RESET
D1
RESET
STANDBY/IR
6 3
5 2
4 1
LED12
R24
R23
5K49
R52
6K81
R50G
24K9
C19
100nF
DGND
J5
1
Vpp
+5Pic
2
DGND
3
4
5
6
R46
+5StB
47K
SW3 SW6 SW9 SW12
SW2 SW5 SW8
SW1 SW4 SW7 SW10
SRC4 SRC5 SRC6
DGND
C24
IC8
100n
MC34064D
INRSET
R35
10K
C34
12
C1+
+
1.5u
3
C1 -
C37
4
C2+
+
1.5u
5
C2 -
11
TX
T1 IN
10
T2 IN
12
RX
R1 OUT
9
R2 OUT
BAL L
5 2
6 3
R17
5K49
R18G
24K9
6K81
15 16
Q1
Q0DS
IC4 74HC595
MISC
SWO1
SWO2
SWO3
SWO4TOD_ON
RB7
RA1
RA2
RA3
RA4
RA5
RB6
RB5
RB4
RB3
RB2
RB1
RB0
MCLR
Vdd
7
18
282930
7
+5Pic
C14 22p
C13 22p
4 1
LED10
R20B
6K81
Q2Q3Q4Q5Q6
CLK
CS
17
16
15
14
11
10
12
NC
34
NC
33
13
NC
Vss
Vss6Vdd
6
Vpp
DGND
BAL R
5 2
R19
5K49
MR
C39
22pF
11
10
9
9
8
8
12
1N914
DGND
+V Dig
R37
Q5
499R
C2
C1
+
+12V
R38
499R
100n
1000u
R39
D_ON
49K9
Q6
10K
2N7002
R40
DGND
SAFETY CRITICAL PARTS
B135 DIG PS Board R2
F1
TF3
120V
CHASSIS
BLUE
J ON
YEL
Title :
File :
Date :
J2
230V
DGND
J1
A_ON
120V
J3
P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4
PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA
*
B135 OVERALL SCHEMATIC
b135 overall schematic r1.schdoc
2012-07-16
Sheet :
Drawn :
8
6 3
24K9
R48B
SRC7 AN/DIG BALL
16
VCC
IC14
HIN232
T1 OUT
T2 OUT
GND
15
IN OUT
100n
IC10 7805
C5
AC V+
B1
2KPB06M
AC V-
LTD
DGND
CLIPPING
Q7
LED13
R47
R48G
24K9
24K9
10K
D3
D2
1N914
1N914
CLIP_L
CLIP_R
ICSP HEADER
SW11
BALR MUTE PWR
Vout
GND
IC7
Vcc
+5StB
C35
+
V+
1.5u
+
C36
1.5u
C38
6
V-
+
1.5u
DGND
14
RS232_TX
7
13
RS232_RX
R1 IN
8
R2 IN
Vcc
100n
100u
+
GND
C21
C23
-V_RLY
+V Dig
A_ON
123
4
J6
123
4
J5V
A_ON
499R
R1
+V Dig
C1
C2
+
+
2200u
2200u
DGND
Size :
D
Rev :
1
ST
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