Crown LPS1500 Schematic

8

D D

CN2

1_A

1

2_A

2

3_A

3

1_B

4

2_B

5

3_B

6

HEADER 6

R1A
10K

JK1A
XLR

INPUT

2+A

CN1

1GA

1

2+A

2

3-A

3

1GB

4

2+B

5

3-B

C C

B B

6

HEADER 6

LED7
RED

CHB

CLIP/LIMIT

LED8
GRN

CHB

SIGNAL

R2A
10K

2+

1

1GA

+4dB(1.23V)

2

2

R3A
1K

R4A

C1A

10K

100pF

3-

3-A

NJM13700D(DIP)

V+A

ST
PL
BG

SW1
SW 4P3T

ST

ST/PL/BG

PL
BG

ST
PL
BG

ST
PL
BG

D14

1

PBM154

3

CLIP/LIMIT

-+

4

D15

1

PBM154

3

SIGNAL

-+

4

IC2A

R50A
39K

LED5
RED

CHA

LED6
GRN

CHA

PANEL PCB

R1B
10K

JK1B
XLR

INPUT

2+B

R2B
10K

2+13-

C1B
100pF

R3B
1K

R4B
10K

3-B

1GB

A A

+4dB(1.23V)

V+B

8

5
6

R5A

C2A

V-A

5

D_A

5
6

R5B

C2B

IC2B

NJM13700D(DIP)

12

R50B
39K

7

IC1AB
5532

+

7

-

10K

100pF

-

4

+

3

B_A

11 612

R10A
100

2

2

IC1BB
5532

+

7

-

10K

100pF

V-B

-

13

+

14

D_B

16

B_B

15

R10B
100

7

R17A

15.4K 1/2W

R18A 510

R15A
220K

C4A

100uF/16V

3_A 1_A

C3A

100uF/35V

+

R8A 150K

R9A
10K

R11A
270

JUMP1A

LIMIT

R12A
820

(ON/OFF)

D12

1

PBM154

3

-+

4

D13

1

PBM154

3

-+

4

R18B 510

R15B
220K

C4B

100uF/16V

3_B

C3B

100uF/35V

+

R8B 150K

R9B
10K

R11B
270

JUMP1B

LIMIT

R12B
820

(ON/OFF)

C5A

47pF/2KV

R19A

19.1K 1/2W

2_A

VR1A
10KB

MASTER

R6A

7.5K

R7A
100

Q1A

C9012(KTC9012)

HEADER 5

1
2
3
4
5

HEADER 5

1
2
3
4
5

R17B

15.4K 1/2W

C5B

47pF/2KV

R19B

19.1K 1/2W

2_B

VR1B
10KB

MASTER

R6B

7.5K

R7B
100

Q1B

C9012(KTC9012)

6

V+A

R20A
47

V+A

84

C6A

3

+

1

2

R16A

4.7K

0.0015uF/1KV C/C

-

IC1AA

V-A

5532

HEAT SINK

V-A

R13A

8.2K

JP3

CN3

HEADER 5

1
2
3
4
5

R14A
470

CN4

JP4

HEADER 5

1
2
3
4
5

V+B

84

3

+

2

-

V-B

R16B

4.7K

1_B

R13B

8.2K

R36A

1.2K 2W

V+B

R14B
470

R36B

1.2K 2W

R20B
47

C6B

1

0.0015uF/1KV C/C

IC1BA
5532

HEAT SINK

SVR3B
500

V-B

A_G1 B_G1 B_G2B_G2

6

D1A
FR156

D4A
FR156

SVR3A
500

D1B
FR156

D4B
FR156

SVR2A

500

R28A
1K

R21B
1K

SVR2B

R28B
1K

R21A
1K

R42
15K 2W

TEMP.

TMP1
85'C

500

C7A

0.0022uF C/C

NTC1A
TTC050

SVR1A
100

C7B

0.0022uF

NTC1B
TTC050

SVR1B

100

R55

2.7 2W

ZD1A

4.7V

D2A
FR156

C10A

0.01uF M/C

D5A
FR156

ZD2A

4.7V

CN7
HEADER 2

JP7
HEADER 2

1
2

ZD1B

4.7V

D2B
FR156

C10B

0.01uF

D5B
FR156

ZD2B

4.7V

1
2

Q2A

2SC4793

Q5A
2SA1837

Q2B

2SC4793

Q5B
2SA1837

5

R23A 22 1/2W

R24A

0.22 5W

Q3A
2SA1987

R22A

6.8 1/2W

R29A

6.8 1/2W

Q6A

2SC5359

R31A

0.22 5W

R30A
22 1/2W

C15

4.7uF/250V

+

R46
47K

R45
150K

R47

6.8K

+

C16

47uF/50V

15V 1W

LED9
RED

R23B
22 1/2W

R24B

0.22 5W

Q3B
2SA1987

R22B

6.8 1/2W

R29B

6.8 1/2W

Q6B

2SC5359

R31B

0.22 5W

R30B
22 1/2W

5

Q4A
2SA1987

COM.

R33A 0R(JUMP)

COM.

Q7A

2SC5359

R32A

0.22 5W

Q9

2N5401

ZD5

Q4B
2SA1987

COM.

R33B
0R(JUMP)

COM.

Q7B

2SC5359

R32B

0.22 5W

FN1
DC24V

R25A

0.22 5W

R44
150K

R25B

0.22 5W

12

153K 1/2W

153K 1/2W

R43

6.8K

153K 1/2W

153K 1/2W

R26A

R27A

R26B

R27B

D3A

1N4004

1N4004

C1008

D3B

1N4004

1N4004

HEADER 2

4

V++A

C8A

+

3300uF/100V

2

C9A3300uF/100V

+

C1

0.1uF 250V

V--A

D6A

V++A

D7A

1

KBPC2506

3

-+

4

C2

0.1u F 250V

V--A

V--A

V+A

0.1uF 250V

+

V-A

2

C3

R54
100 2W

C21
10uF/50V

470uF/35V

C20

R38A

3.3K 2W

D8A
FR156

D9A
FR156

R39A

3.3K 2W

V++B

D7B

1

KBPC2506

3

-+

4

0.1uF 250V

JP6

1

HEADER 2

2

CN6
HEADER 2

1

2

2

+

D10A
FR156

C13A

100uF/35V

+

ZD3A
15V 1W

C14A

100uF/35V

+

ZD4A

CH1 -VSS

15V 1W

D11A
FR156

Q8

V++B

+

C8B

4700uF/100V

+

C9B

4700uF/100V

V--B

TMP2

FN1
HEADER 2

1
2

4

50'C

TEMP.

D6B

1
2

3

FUSE1A

8A 250VAC

D16
1N4004

R48
15K 2W

V++A

R37A
470 5W

C12A

0.022uF

V--A

CH2 -VSS

FUSE1B

8A 250VAC

C4

VAC1A
VAC2A

VAC1B

D8

1

PBM154

VAC2B

3

-+

4

3

L1A
1uH

R34A

5.6 2W

CH1 +VCC
CH2 +VCC

100uF/35V

100uF/35V

V--B

L1B
1uH

R34B

5.6 2W

UL=1A/250V

D10B
FR156

C13B

ZD3B
15V 1W

C14B

ZD4B
15V 1W

D11B
FR156

VAC1B

VAC2B

F401

2

VAC1A

CN5

JP5

HEADER 6

HEADER 6

1

1

2

VAC2A

R40

R41

150

150

L_OUT

C11A

0.1uF 250V
R35A

10 2W

V+B

R38B

3.3K 2W

X'MER

V++B

R37B
470 5W

C12B

0.022uF

V--B

T1

!

115V

0V

T.SW

D8B

V-B

R_OUT

C11B

0.1uF 250V

R35B
10 2W

FR156

D9B
FR156

R39B

3.3K 2W

+

+

(220V TRANSFORMER)

2

3

3

4

4

5

5

6

6

L_OUT

R_OUT

0.001uF/275V Y1

P4

P3

POWER SW

P6

Title

Size Document Number Rev

Date: Sheet

2

R49

3K 1/2W

!

C18

SW2

!

!

C17

0.047uF/275V X2

A2

PANEL PCB

PG_L

PG_R

P2

P1

P5

CROWN CORP.

LPS1500 PRE_AMP & A MP

LED1
BLUE

LED3

YELLOW

LED4

YELLOW

1+
1-

2+
2-

(SPEAKON)

BINDING POST

BINDING POST

1+
1-

2+
2-

CHASSIS GND

!

BK1

BREAKER

LPS1500.SCH

1

POWER

CHA

CHB

L/R/ BRIDGE

JK4

-

+

JK5

+

-

R

(SPEAKON)

22Wednesday, February 27, 2008

1

FAULT

JK2

L

R

JK3

AC1

220V AC CORD

AC IN

of

!

A