Crown XLS-202, XLS-402, XLS-602 Schematic

Scale

Sheet

D19

GB402

NOTE2

GB402

GB602

XLS602, XLS402, XLS202

GB402

GB202

Channel A Power Amp only shown
'A' suffix on component identifier indicates Channel A

These can be mapped directly on to Channel B by changing the suffix to 'B' unless otherwise specified.
All Diodes are 1N4148 unless otherwise specified
All Zener diodes are 400mW
All resistors are 1/4 W metal film unless otherwise specified
All BF422 and BF423 are Pillips or Toshiba. DO NOT use Carsem (CBF)

R58A/B, R24, R25

6k8 1W c/f

5k6 1W c/f

Q15B, Q17B,

C4, C5

LK1
0 Ohm

LK2
0 Ohm

C1, C4

LK3
0 Ohm

LK4
0 Ohm

CN1
26PIN

CN2
26PIN

R14A/B

100k

33k

Not Fitted:

Not Fitted:

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

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

R26A/B, R27A/B

20k

20k

R37A/B, R42A/B, R45A/B, R50A/B,
Q14A, Q20A, Q13B, Q19B,

R37A/B, R42A/B, R45A/B, R50A/B,
R39A/B, R40A/B, R47A/B, R48A/B,

Q14A, Q20A, Q13B, Q19B,
Q16A, Q18A,

R55A/B

3k3 1W c/f

2k7 1W c/f

C1, C2,

HDR2/5

HDR2/6

HDR3/1

HDR3/2

STAR

ZD5A/B, ZD6A/B

47V

30V

R60A, R60B

75R

120R

150R SB356 35A 600V

HDR2/3

ZD2

10V

9V1

9V147V4k7 1W c/f43k 2k7 1W c/f22k

HDR2/4 HDR2/2

HDR3/3 HDR3/4 HDR3/5

BR1

GBPC5006 50A 600V

GBPC5006 50A 600V

CN2A/1

R52A
180K

R52B
180k

R53B

R53A

20k

20k

CN2A/2

CN2A/3

STAR

CN2A/1

CN2A/2

CN2A/3

C7A
10u

Channel B

Channel B

R8A
1k

1.2 V

90 V

C8A
33p

R10A
100R

R9A
39k

D1A

D2A

R14A
NOTE1

0.120 V

Q1A

2SA872

R13A
220R

Q3A
BF423

R12A
10k

Q2A

D3A D4A

R15A1kR16A

1.7 V

to junction of
R18B and FASTON CN4B

R11A
100R

C12A

33p

1k

BF423

R18A
39k

R57A
3k3

R17A
1k

C11A
100u

R20A

0V1A

FASTON

CHASSIS

+HT2

.095 V

Q6A

20k

GREEN

to output board

STAR

R23A
47R

C20A

10p

Q4A

BF422

0.180 V

63V

C15A

1u

C14A
100n

100V

Q5A

R19A
200R

0V1B
FASTON

1.2 V

R24A
47R

Q7A
BF423

0.6 V

1.75 V

+18Vdc

-18Vdc

HDR2/1

R22A
1k

R21A
360R

ZD3
18V

! up to +95Vdc

C13A

10p

63V63V

-HT2

+HT2

R24
NOTE1

ZD4
18V

R25
NOTE1

C3A
330p

63V

Q8A

BC184L

NPN Main H/S

Q21A

BC214L

! up to +95Vdc

Q22A

BC184L

C19
47u

100V

C20
47u

100V

+HT1

D8A

C10A

10u

C9A

10u

D7A

! up to -95Vdc

D17
1N4004

D18
1N4004

R29A
470R

R25A
27K

Q11A
BF422

R30A
5K1

R26A
NOTE1

D11A

R60A

NOTE1

ZD3A
2V7

R55A

NOTE1

ZD5A

NOTE1

R35A
100R

ZD6A

R27A
NOTE1

R28A
27K

NOTE1

R33A
5K1

Q9A
BF423

R34A
470R

ZD4A

2V7

R59A

NOTE1

D9A

-HT1

+HT1

4700uC54700uC34700uC14700u

100V 100V 100V 100V

C8
4700uC64700uC44700uC24700u

PF750 H/S

Q12A
MJE5731A

R39A
820R

R56A
22R

C21A
4n7

R40A
820R

Q10A
TIP50/47

PF750 H/S

100V100V100V100V

C16A
100n

100V

NPN Main H/S

Q15B Q16B Q13B Q14B

Q16A

MJ15024

R47A
0R47

3W w/w

R48A

!

0R47

3W w/w

R41A
820R

Q17B

Q18A Q17A Q20A Q19A

MJ15025

Q15A
MJ15024

R38A
820R

R46A
0R47

!!

3W w/w 3W w/w 3W w/w

R49A

!

0R47

3W w/w 3W w/w 3W w/w

R42A
820R

Q18B

MJ15025

PNP Main H/S

C17A
100n

100V

R37A
820R

Q14A

MJ15024

R45A
0R47

!

R50A

!

0R47

R43A
820R

C1A 4n7

Q19B

MJ15025

SEC1/6

BR1

C12
470uC7

250V

C15
470u

250V

AC

AC

Note1

C13
470u

250V

+-

C14
470u

250V

SEC1/2

SEC1/5

SEC1/3

C2A
4n7

R36A
820R

!

!

! up to 65Vac

! up to 65Vac

R51A
0R47

Q20B

MJ15025

C/T

Q13A
MJ15024

R44A
0R47

D5A
1N4004

To output board

CN1A
FASTON

D6A
1N4004

D13A
1N4004

LED1A
RED

LED2A
GREEN

ZD7A
18V

PEAK A

FACING LDR
ON I/P BOARD

R58A
NOTE1

HDR3/6

C17

470u

35V

470u
C18

35V

-24Vdc

! up to -95Vdc

D13

1N4004

D14
1N4004

D15

1N4004

D16

1N4004

R2

R3

47k

47k

SUNON

Q1

2

CN3

1

Q2
BD135

KDE2412PTS1-6A

black

red

R20
10k

BC214L

24V

IC1D

14

TL074

-2 Vdc

+20 Vdc

R26

2M

TH1

LM35DZ

HDR1/3

HDR1/2

yellow

PROTECT

LED2

R14
2k2

R15
3k9

RLY1
RELAY

R23

C21

1k

100n

IC1C

8

TL074

R16
180k

+2.5 Vdc

R17
20k

R18

100k

13
12

R19

150k

NPN Main H/S

9
10

R27

220R

C23
220n

Q3

BC184L

D10

21

R13
10k

R12
1k

IC1B

TL074

7

D9

-2 Vdc
+20 Vdc

R11
10M

R9

27k

R10

680k

6
5

ZD2

note1

C16
4u7

16V

R8

4k7

LED1
green

POWER

D8

+20 Vdc

ZD1
5v6

1

+24 Vdc

IC1A

411

TL074

3
2

+5.6 Vdc

R6
10M

D7

R7 1k2 1W

C22
2n2

D6

D1

R5

R4

10M

1M

D2

D4

10k

R1

+24Vdc

D11

D3

C10

C9

100u

D5

16V

C11

100n

35V

4u7

35V

D12

-24

SEC1/1

18Vac

SEC1/4

18Vac

-HT1-HT2

RLY1

R22

47R 23W

!

Crown Audio
1718 W. Mishawaka Rd.
Elkhart, IN 46517
574-294-8000
www.crownaudio.com

PTC1

!

YM120D3 70N10

Bowthorp

Main2

3

6

RED

220/110

BLACK

240/120

BLUE

!! Live Mains

2

5

1

4

NEUTRAL

!

PTC2

XLS602, XLS402, XLS202

Size FCSM No. DWG No. Rev
A1

C1071-6

2