C Audio srx schematic

File:

D:\PROTEL\SRX\37&3601\3701DRV.S01

Drawn By:

CN2/12 (ch A)

A.C.

CN2/15 (ch B)

LEVEL

50K lin

CN2/13

CN2/14

2
COAX2SYM

Star

Sheet 3

CN2/10 (ch A)

CN2/17 (ch B)

+18V

-18V

to R42 (ch A)

to R43 (ch B)

C80A
100n

C79A
100n

CN3/5

Sheet 5

SHEET 4

C51A

TO ch B

4
COAX2SYM

HT RAIL +

LABEL

R88A
2k

TO SHEET 3

R93A
33R

R92A
33R

R95A
33R

R96A
33R

HT RAIL -

LABEL

TO SHEET 3

N DRIVE

FEEDBACK

TO SHEET 2

P DRIVE

LABEL

LABEL

LABEL

Bridge

B A scn

R125B
9k1

C52A
100p

R121A

R54A

2

3

R52A
4k7

R51 (A+B)=
R53 (A+B)=

R51 (A+B)=
R53 (A+B)=

R101A
6K8/1W

R102A

6K8/1W

+18

-18

R51A

C73A
47u

160V

C74A
47u

160V

13k

74

6

SW1a

10k

*

channel B only

IC1A
TL071

R55A

47p

22k

R50A

8k2

SRX3701

SRX3601

C71A

D22A

D23A

18V

18V

100u

35V

C72A
100u

35V

6k2

R120A
0 ohm

channel A only

VR2A

R53A

*

9K1
0 OHMS

51K
1K5

HT RAIL +

C75A
100n

C76A
100n

HT RAIL -

R58A
100k

C53A
220u

C54A

SHEET 4

330p

To R44 (R49 ch B)

SHEET 3

R59A
750R

D11A
1N4148

D12A
1N4148

R62A
100R

R60A
30k

R63A
100R

TR52A
1085

R67A
10k

R69A
2K7

R61A
330R

TR51A
BF423

R68A
10k

R70A
2K7

TR53A
1085

R122A

15k

R64A
15k

25V

R66A

750R

C56A
100u

C57A
100n

R7A
22R

C55A
10p

R65A
1k

SHEET 4

R76A
10K

To R45 (R50 ch B)

C58A
33p

R72A
100k

TR59A
BF422

R73A
150

TR54A
BF423

TR56A
BF422

C59A
100n

TR58A
BF422

R77A
150R

C62A
33p

TR57A

BF422

R74A
150

TR55A
BF423

R75A
47R

C60A
10n

C61A
100n

R78A
4K7/1W

TR60A
BF423

R80A
39K/

1W

IQ

ADJ

R83A
4K7/1W

TR64A
BF422

R81A
2K7

R82A
2K

VR1A
1K

R79A

150R

TR61A
BF423

D14A
9V1

TR63A
BF422

D13A
9V1

R84A

150R

C63A
100n

C64A
47u

100V

TR62A
BC184L

C65A
47u

100V

D15A
1N4148

D17A
6v8

D18A
1N4148

C66A
100n

D16A
6v8

R90A
680R

TR69A
BF423

TR67A
BF422

R89A
680R

R91A
2k

R108A
680R

R110A
680R

TR70A
BF423

TR68A
BF422

CN2/11 (ch A)

CN2/16 (ch B)

SHEET 1

Star

SHEET 3

Feedback

LABEL

3

R1 (ch A)
R2 (ch B)

SHEET 4

C69A
33n

R114A
10R/2.5W

R87A

L1A

LABEL

R57A
20k

CN2/4 (ch A)
CN2/23 (ch B)

R56A

10R

180K

RL1A
T90

Title

A2

Date: 1-Jul-1999 Sheet of

O/P Grounde

O/P Hot

LABEL

SRX36&3701 DRIVER

Number RevisionSize

C1068

1

1 6

F

N GATE

P GATE

R39A
330R

R40A
220R

C21A
4n7

R11A
470R

TR9A
BUZ901D

R1A
470R

C11A
10P

TR1A
BUZ906D

G

FUSELINK

R14A
470R

TR12A
BUZ901D

R4A
470R

C14A
10P

TR4A
BUZ906D

G

SD

C12A
10P

R12A
470R

TR10A
BUZ901D

TR2A

SD

R2A
470R

BUZ906D

G

SD

R15A
470R

TR13A
BUZ901D

R5A
470R

C15A
10P

TR5A
BUZ906D

G

C17A
10P

R17A
470R

D2A

TR15A
BUZ901D

TR7A

SD

R7A
470R

BUZ906D

G

SD

4004

D5A
4004

FUSELINK

HT RAIL +

C

C

TO SHEET 1

C

FEEDBACK

CON
HT RAIL -

E

D

C

SHEET 2

STAGECHANNEL A OUTPUTDRAWING SHOWS

COMPONENT NUMBERSCHANNEL B HAS SAME

BBUT WITH THE SUFFIX

SRX3601 output stage is as above but TR9A/B & TR1A/B are not fitted

Title

A3

Date: 1-Jul-1999 Sheet of

SRX 37&3601 o/p

Number RevisionSize

C1068

B

A

2 6

SHEET 3

Mounted on SoftStart

DBR1
FB5006

C41A

F

LABEL

A

HT RAIL +

C41B

ALL CAPACITORS

7500uF/120V

E

C1

C4

C5

BROWN

RED

BLUE

0V

220V

240V

18v

18v

A.C.

A.C.

TO SHEET 4

DBR2
FB5006

POWER SUPPLY

C42A

C43A

C44A

C42B

C43B

C44B

3

HT RAIL -

LABEL

A

LABEL

B

HT RAIL +

HT RAIL -

LABEL

B

D

C

RGND
10R/2.5W

GROUND LIFT SWITCH

STAR POINT

Title

SRX37&3601 PSU

Number RevisionSize

A3

Date: 1-Jul-1999 Sheet of

B

A

1

3 6

File:

D:\PROTEL\SRX\3801\3801DRV.S01

Drawn By:

CN2/12 (ch A)

A.C.

CN2/15 (ch B)

LEVEL

50K lin

CN2/13

CN2/14

2
COAX2SYM

Star

Sheet 3

CN2/10 (ch A)

CN2/17 (ch B)

+18V

to R42 (ch A)

to R43 (ch B)

C80A
100n

C79A
100n

CN3/5

Sheet 5

SHEET 4

C51A

4
COAX2SYM

HT RAIL +

LABEL

R88A
2k

TO SHEET 3

R93A
33R

R92A
33R

R95A
33R

R96A
33R

HT RAIL -

LABEL

TO SHEET 3

N DRIVE

FEEDBACK

TO SHEET 2

P DRIVE

LABEL

LABEL

LABEL

Bridge

B A scn

R125B
9k1

C52A
82p

R121A

R54A

R52A
5k1

18k

+18

74

2

3

6

-18

SW1a

R50A
13k

channel B only

IC1A
TL071

R55A

47p

22k

TO ch B

6k2

R120A
2k7

channel A only

VR2A
4k7

R58A
180k

C53A
220u

C54A

SHEET 4

330p

To R44 (R49 ch B)

LT RAIL +

R101A
6K8/1W

HT RAIL +

D22A

D23A

18V

18V

C71A
100u

35V

C72A
100u

35V

C73A
47u

160V

C74A
47u

160V

C76A
100n

C75A
100n

Star

SHEET 3

R59A
750R

D11A
1N4148

D12A
1N4148

R62A
100R

R60A
30k

R63A
100R

TR52A
1085

R67A
10k

R69A
2K7

R61A
330R

TR51A
BF423

R68A
10k

R70A
2K7

TR53A
1085

R122A

15k

R64A
15k

25V

R66A

750R

C56A
100u

C57A
100n

R7A
22R

C55A
10p

R65A
1k

SHEET 4

R76A
10K

To R45 (R50 ch B)

C58A
33p

R72A
180k

TR59A
BF422

R73A
150

TR54A
BF423

TR56A
BF422

C59A
100n

TR58A
BF422

R77A
150R

C62A
33p

TR57A

BF422

R74A
150

TR55A
BF423

R75A
47R

C60A
10n

C61A
100n

R78A
4K7/1W

TR60A
BF423

R80A
39K/

1W

IQ

ADJ

R83A
4K7/1W

TR64A
BF422

R81A
2K7

R82A
2K

VR1A
1K

R79A

150R

TR61A
BF423

D14A
9V1

TR63A
BF422

D13A
9V1

R84A

150R

C63A
100n

C64A
47u

100V

TR62A
BC184L

C65A
47u

100V

D15A
1N4148

D17A
10V

D18A
1N4148

C66A
100n

D16A
10V

R90A
680R

TR69A
BF423

TR67A
BF422

R89A
680R

R91A
2k

R108A
680R

R110A
680R

TR70A
BF423

TR68A
BF422

-18V

CN2/11 (ch A)

CN2/16 (ch B)

SHEET 1

R102A
6K8/1W

LT RAIL -

HT RAIL -

Star

SHEET 3

Feedback

LABEL

3

R1 (ch A)
R2 (ch B)

SHEET 4

C69A
33n

R114A
10R/2.5W

R87A

L1A

LABEL

R57A
20k

CN2/4 (ch A)
CN2/23 (ch B)

R56A

10R

180K

RL1A
T90

Title

A2

Date: 1-Jul-1999 Sheet of

O/P Grounde

O/P Hot

LABEL

SRX3801 DRIVER

Number RevisionSize

C1067

1

1 6

File:

D:\PROTEL\SRX\3801\3801OP.S01

Drawn By:

TR29A

A.C.

BF423

R32A
330R

TR30A
BF423

R36A
10K

TR37A
BF422

R38A
330R

R22A
270R

C22A
10P

R23A
270R

C23A
10P

R24A
270R

C24A
10P

R25A
270R

C25A
10P

D2A
IN4004

FUSELINK

C

HT RAIL +

R30A
200K

1W

R29A
100K

TR31A
BF422

R31A
100K

TR36A
BF422

ZD2A
10V

TR33A
BF423

ZD3A
10V

TR35A
BF422

TR32A
BF422

R33A
150R

R34A
150R

TR34A
BF423

R35A
330R

ZD4A
12V

ZD1A
12V

R37A
10K

TR40A
BF423

TR38A
BF423

N GATE

TR39A
BF422

D19A
BAV21

P GATE

D20A

BAV21

R39A
330R

Star SHEET 3

C

R40A
220R

R41A
330R

R42A

47R

D1A

IN4148

C8A
10P

R15A
270R

TR15A
BUZ901D

R8A
270R

R1A
270R

C1A
10P

TR22A
BUZ901D

C15A
10P

G

C10A
10P

R17A
270R

TR17A
BUZ901D

R10A
270R

R3A
270R

C3A
10P

TR24A
BUZ901D

C17A
10P

G

SD

G

TR10A

BUZ906D

SD

TR3A

BUZ906D

TR23A
BUZ901D

C16A

R16A
270R

TR16A
BUZ901D

R9A
270R

C9A
10P

R2A
270R

C2A
10P

10P

SD

G

TR9A

BUZ906D

SD

G

TR2A

BUZ906D

C?1
10P

SD

G

TR8A

BUZ906D

SD

TR1A

BUZ906D

C11A
10P

R18A
270R

TR18A
BUZ901D

R11A
270R

R4A
270R

C4A
10P

TR25A
BUZ901D

C18A
10P

G

D6A

BYT30P400

FUSELINK

C32A
100n

C31A
100n

FUSELINK

FUSELINK

D3A
IN4004

D4A
IN4004

R45A
10R

2.5W

R46A
10R

2.5W

D7A

BYT30P400

R98A

R43A

2K2

SD

G

SD

TR11A

BUZ906D

TR4A

BUZ906D

R44A

D5A
IN4004

2K2

2K2

R99A

2K2

6W

6W

6W

6W

C

C

C

TO SHEET 1

C

C

LT RAIL +

STAR POINT

FEEDBACK

LT RAIL -

CON
HT RAIL -

SHEET 2

STAGECHANNEL A OUTPUTDRAWING SHOWS

COMPONENT NUMBERSCHANNEL B HAS SAME

BBUT WITH THE SUFFIX

Title

SRX3801 OUTPUT STAGE

Number RevisionSize

A2

Date: 1-Jul-1999 Sheet of

C1067

2 6

SHEET 3

BROWN

C1

C4

RED

C5

BLUE

0V

220V

240V

TX1

18v

18v

A.C.

A.C.

TO SHEET 4

Mounted on SoftStart

DBR1
FB5006

DBR2
FB5006

C41A

C42A

C43A

C41B

C42B

C43B

ALL CAPACITORS

22000uF/75V

HT RAIL +

LABEL

A

3
LABEL

B

2
LABEL

A

LABEL

B

LT RAIL +

LT RAIL -

LABEL

A

LABEL

B

F

E

D

RGND
10R/2.5W

GROUND LIFT SWITCH

POWER SUPPLY

C44A

C44B

LABEL

A

LABEL

B

HT RAIL -

C

B

STAR POINT

Title

SRX3801 PSU

Number RevisionSize

A3

Date: 1-Jul-1999 Sheet of

A

1

3 6

XLR2A

1

2

3

4

Ajust CMR

1

R6A
13k

RV1A

1k

XLR1A

XLR2B

C2A

3

470p

R1A

2

3k3

R2A
3k3

R4A
10k

R3A
3k3

2

3

CN1/10

74

IC1A

C6A
10u

6

R8A
100R

CN1/12

TL071

2

3

1

C1A
470p

C3A
220p

C4A
120p

C5A
56p

R5A
6k65

R7A
100k

CN1/11

CN1/13

Adjust CMR

1

R6B
13k

RV1B

1k

XLR1B

C2B

3

470p

R2B
3k3

R1B

2

3k3

R4B
10k

R3B
3k3

2

3

CN1/10

74

IC1B

C6B
10u CN1/15

6

R8B
100R

TL071

2

3

C1B
470p

C3B
220p

C4B
120p

C5B
56p

R5B
6k65

CN1/11

Title

R7B
100k

CN1/14

SRX input card

1

A4

Date: 1-Jul-1999 Sheet of
File: D:\PROTEL\SRX\INPUT.SCH Drawn By:

Number RevisionSize

C1054

A.C.

File:

D:\PROTEL\SRX\SRXCONT.S01

Drawn By:

A.C.

To Sheet1

CH A

Feedback

CH B

Feedback

A.C.

C/T

A.C.

TO SHEET 3

D6 D7

+15

TH1A

LM35DZ

21

R13
1M

R21
270R

R24
270R

R27
22k

C16
100u

FAN CHAN A
24V

RL1A

C3
100p

3

2

C14 3n3

9

10

D15D14

R29
22k

C17
4u7

+15

312

5

4

-15

R18
33k

R19
10K

ch A choke

ch B choke

R69
1k

IC1A
UA339

2

C10
47u

C13
47u

+15

-15

R3

R1
47k

R2
47k

R7
100k

+VR

D4
4004

D5

4004

D8
4004

D9

4004

-VR

3
2

R73
20k

C1
100u N/P

C4
470n

R14
180k

+15

-15

D3

411

D2

D1

R8
510k

C6

470u 40V

C8

470u 40V

IC5A
064

1

10M

R5
220k

D37

C5
1u

IC6

MC7815T

1

Vin

+15V

GND

2

1

Vin

IC7

MC7915T

CN2/3

GND

2

R15
1k

D10

D11

-15V

R4
10M

IC1B

UA339

6
7

R6
220k

C9
100u

+15

C7
100u

-15

3

3

+15

R9
100k

1

R10
180k

CN2/21

C2
22u

-15

wire placed over

D40

D39

+VR

R11
120R

TR1
BC214L

-15

C11
3n3

R22
10M

+15

411

-15

R25
10M

IC3C

TL074

FAN CHAN B
24V

IC3A
TL074

21

TR52A

TR53A

R42
100k

R43
100k

R38
820k

D17

6
5

R39
820k

D19

13
12

R44
47k

R45
47k

RL1B

D36

Sheet 1

R12
120R

Sheet 1

BROWN

RED

CN1/4

R23
1k

CN2/2

CN2/25

R37
100k

R30
100k

C12

R26 1k

220n

R75
47k

C15
220n

R76
47k

1

8

D21

D22

R28
1M

BASE

Sheet 1

IC3B

TL074

IC3D

TL074

+15

411

3

2

-15

67IC4B

5

7

14

C21
220n

C22
220n

C25

27p

IC4A

TL064

TL064

D18

D20

D24

1

D26

98IC4C

10

R46
1M

R54
470R

D25

R56
470R

D27

R40
4k7

R67
1M

R41
4k7

R68
1M

C29
27p

R47
1M

TL064

C27

0.47u

C28

0.47u

814IC1C

9

C19
4u7

4u7

D41

1013IC1D

11

D42C20

CN2/5
R48
1k

R65
1k

D28

D29

-15

R61

1M

R55
100k

R57
100k

C30
10u

UA339

UA339

D30

7

6

5
4

+15

IC2B

UA339

+15

312

IC2A

UA339

-15

CN1/2

CN1/7

R62
1M

1013IC2D

11

D31

1

2

UA339

CN1/3

CN1/6

+15

SHEET 4

R58
150k

R59
470R

R60
100R

CN1/1

CN2/1

+15

TH1B

LM35DZ

R16
180k

67IC5B

5

R74
20k

-VR

blk blkredred

TR43A

TIP32

R100A
120R

TR43B
TIP32

R100B
120R

D23
4004

TR52B

BASE

TR53B

Sheet 1

C32
27p

C23

R49

220n

47k

C24

R50

220n

47k

C26

27p

R52
1M

1314IC4D

12

TL064
R51
1M

R53
1k

CN2/22

R66
1k

D32

D33

-15

R63

1M

+15

R64
1M

D34

D35

814IC2C
9

UA339

C31
10u

CN1/8

CN2/26

Title

SRX CONTROL CIRCUITS

Number RevisionSize

A2

Date: 1-Jul-1999 Sheet of

C1067

4 6

CN2/24

R17

1k

D13

064

D12

98IC5C
10

R20
1M

064

R32
270K

R31
1M

1314IC5D
12

R33
270K

R34
1M

D16

C18
1n

064

1k

R35

27V

1

R118A
150k

R116A

D D

R119A
150k

C C

CN1/1

BC184L

200R

TR74A
BC214L

R117A
390R

A clip B

LED3
red

R72
12K

2

R116B
D38
2v7

200R

TR74B

BC214L

R117B

390R

LED9
red

TR75B
BC184LTR75A

R118B
150k

R119B
150k

3

CN1/10

4

CN1/8

R122A
150k

CN1/2

R123A
150k

B B

CN1/3

R71
180k

TR76A
BC214L

TR77A
BC214L

TR78A
BC214L

LED2
yellow

A load B

LED1
green

A sig B

LED6
red

bridgeprotect

LED8

yellow

LED7

green

LED4

yellow

TR76B
BC214L

TR77B

BC214L

TR78B
BC214L

R122B
150k

CN1/7

R123B
150k

CN1/6

R70
47k

CN1/5CN1/4

power

A A

1

CN1/9

2

LED5
green

Title

SRX LED BOARD

Number RevisionSize

A4

Date: 26-Feb-2001 Sheet of
File: D:\PROTEL\SRX\SRXLED.S01 Drawn By:

3

C1059

5 6

A.C.

4

LIVE

FUSE

CHASSIS

F

POWER
SWITCH

NUETRAL

EARTH

C1
1u/

250V

SEE NOTE

FOR VALUE

OF C2

C2

D4-D7

1N4004 x4

C3
47uF/100v

R9
1K5

DARLINGTON OPTO

OPTO1
H11G1

R5
10K

R3
1K

R4
1K

R8
8K2

Q1
BF422

Q2
BF423

D1

1N4148

D2

1N4148

D3

1N4148

R2
680R

RELAY1

RELAY2

C4
47n Xrated

RELAY3

TH2
D370

TH1

D370

F1

1.6A F

R1
47R/23W

T1

E

D

SHEET 6

NOTE:1
C2 IS ONLY FITTED WHEN UNIT IS USED ON 100/120V SUPPLY,
ITS VALUE BEING
THE SAME AS C1 1u/250V

NOTE 2:
SOFT START FUSE = 1.6A FAST BLOW
WITH AN I t RATING OF 5.2
RS PART# 416-326

2

R7
10K

+ CONT

GND

TO SHEET 4

Title

C-AUDIO

A3

Date: 1-Jul-1999 Sheet of

XR3801 SOFT START

Number RevisionSize

C

B

A

1CA1060

6 6