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Alto PBM 8.250 Service Manual Download Page 13

13

1

2

3

4

5

6

7

8

A

B

C

D

8

7

6

5

4

3

2

1

D

C

B

A

C2_16

4700uF/80V

R2_13

22R 1W

R2_23

0.1R 3W

Q2_7

D2_6

1N4148

+73V_B

D2_15

1N4004

GND1

TR-93P

Q2_1

MJE15032

R2_21

500R 3W

C2_13

22nF/100V poly

C2_11

3.3nF/50 cer

C2_12

3.3nF/50 cer

R2_17

4R7

R2_18

4R7

GND1

D2_19

1N4148

Q2_2

MJE15033

D2_10

1N4148

Q2_8

R2_14

22R 1W

R2_24

0.1R 3W

GND1

-73V_B

D2_17

1N4004

D2_11

1N4937

D2_12

1N4937

C2_9

2.2nF/50 cer

C2_10

22nF/50 cer

D2_13

ZD5V6 1/2W

R2_9

820R

R2_11

1K5 2W

R2_10

820R

R2_12

1K5 2W

D2_14

ZD5V6 1/2W

D2_7

1N4148

Vic2+

D2_3

ZD15V1.3W

C2_8

220uF/25V

GND1

D2_20
W2-04

R2_32

100R

GND1

Vic2-

C2_5

56pF/50 cer

R2_3

10K

C2_7

27pF/50 cer

R2_6

12K

SPEAKERS BUS

R2_5

330R

C2_6

47uF/16NP

GND1

R2_30

4K7

R2_31

4K7

GND1

CH1 GAIN

C2_27

47uF/25V

D2_8

ZD15V1.3W

C2_4

220uF/25V

GND1

C2_25

C2_26

47uF/25V

C2_3

100pF/50 cer

C2_23

10uF/50V

GND1

C2_24

R2_8

NTC 50R

R

2_

16

TR

IM

M

E

R

 1

00

R

3

2

1

U2_1A

NJM4580L

5

6

7

U2_1B

NJM4580L

1

2

3

R2_29

3P-2.5

PBM8AMP.250-CH2.Sch

Titel

Size

File:

Date:

Drawn By:

Sheet

Revision

Model No:

17-Jan-2005

C.C.LIN

ALTO PBM8-CH1 DRIVE

3

3

of

PBM8.250

VER040406

A2

5

6

7

U2B

NJM4580L

R2_42

4K7 1/8W

R2_41
4K7 1/8W

D2_9

W2-04

GND1

R2_25
47R

4

1

2

3

U2_2

VTL5C2

GND1

(FTR VT90N1 )

GND1

CH2 INSERT OUT

CH2 INSERT IN

L2_1
2uH 10A

R2_26

5R6 2W

R2_22

10R 3W

C2_2

100nF/250V poly

GND1

CH1 OUTPUT

1+

1-

GND1

TO

SPEAKON PCB

R2_36
120K

C2_1

47uF/100V

D2_2

1N4004

R2_39

PTC 65R

CH1 PHOTO COUPLER

-15V

+15V

GND1

(1.5A 200V)

(1.5A 200V)

C2_15

4700uF/80V

R2_7

330R

R2_4

330R

11A

6A

6A

C2_14

3.3nF/100 poly

R2_15
150R

0.2A

0.2A

D2_18

3mm RED LED

CH2_LIM_SW1

CH2_LIM_SW2

D2_21

3mm YELLOW LED

1

2

J2_6

CON2

R2_27
0R0

R2_1

R2_2
10K

R2_28

10K

CH2 IN+

CH2 IN-

CH2 BRIDGE

Pout=418W RMS @ 4 Ohm

D2_16

3mm GREEN LED

Vic2-

Vic2+

R2_33

3K3 1/2W

OPERATING LED

OUTPUT_2

OUTPUT2

F2_1

5A

F2_2

5A

OUTPUT_2

R2_34

47K

R2_38

12K

100R

10K

D2_5

ZD15V1.3W

D2_4

5mm RED LED

GND1

GND1

+73V_B

-73V_B

R2_35
100K

R2_40

6K8

Q2_6

MPSA42

Q2_5

MPSA92

Vic2+

Vic2-

GND1

CLIP

8

4

U2_1C

NJM4580L

Vic2+

Vic2-

1

2

3

J2_4

CN-PCB6.3

1

2

3

J2_5

CN-PCB6.3

1

2

3

J2_7

CN-PCB6.3

1

2

3

J2_8

CN-PCB6.3

1

2

3

J2_9

CN-PCB6.3

1

2

3

J2_10

CN-PCB6.3

V+

V-

AC1

GND

1

2

3

J2_3

D2_1

KUB8J(8A)

OUTPUT_2

TR-94N

(FOR PBM8.250=4A)

(FOR PBM8.250=4A)

Summary of Contents for PBM 8.250

Page 1: ......

Page 2: ...2 0 1 2...

Page 3: ...3 0 1 2 3 4 0 1 2 5 0 0...

Page 4: ...4 3 4 5 4 6 7 8 9 7 9 5 0 0 7 78 4 8 7 0 9 0 9 4 8 8 8 8 3 4 5 4 6 7 8 9 7 9 5 0 0 7 78 4 8 7 0 9 0 9 4 8 8 8 8...

Page 5: ...5...

Page 6: ...R5_27 10K R5_28 22K R 5_5 B50K R5_26 22K 4 3 4 7 R5_6 B50K 3 8 3 R5_19 10K R5_25 22K R5_4 B50K R5_20 22K 7 3 4 8 9 PAD 20dB HIGH CH MID CH LOW LEVEL MON AUX1 PRE DSP FXAUX2 POST PAN POT U 5_2C NJM 458...

Page 7: ...16_2 5K 6 CF 16_2 1N RF 16_3 100K RF 16_4 100K RF 16_6 100R1 8W RF 16_5 18K B9 B77 B B9 B77 B RF 16_13 100R1 8W B9 B 73 8 9 CF 16_3 1N RF 16_8 100K RF 16_9 5K 6 RF 16_10 100K RF 16_11 100K CF 16_4 1N...

Page 8: ...7B 7 B9 3 U6A NJM 4580M 5 A U6B NJM 4580M R50 22K C22 22P R49 5K 6 R51 6K 8 R52 39K C23 10P 7B 7 B9 3 R53 22K U7A NJM 4580M 5 A U7B NJM 4580M R54 5K6 C24 22P R55 6K 8 R56 39K C25 10P 7 B9 B 73 8 9 8...

Page 9: ...P P LY CONNECTO R C40 100nF 100V D17 BRIDG E1 5A200V C41 1000uF 35V C42 1000uF 35V R31 0R C C43 33uF 100V D18 BRIDG E1 5A200V C44 33uF 100V C48 100uF 100V C49 100uF 100V C45 100N C46 100N D19 1N4004 C...

Page 10: ...R16 10K C9 22P R19 100R1 4W R18 10K R20 10K 5 6 7 U6B NJM4580M R21 10K C10 22P R22 100R1 4W C11 47uF 35V R23 10K C12 47uF 35V R24 10K 3c 5e 1a 4d 2b J6 90STEREOJACK 2 1 3 4 J20 XLRFEMALE LEFFOUT BALA...

Page 11: ...H5 INPUT C5_1 47uF 63V R5_4 2K2 R5_1 6K8 R5_2 10K R5_3 6K8 PHANTOM C5_2 47uF 63V R5_5 2K2 3c 5e 1a 4d 2b J5_2 90STEREO JACK R5_6 22K C5_4 10uF 25V R5_8 2K2 R5_7 22K C5_3 10uF 25V R5_9 2K2 C5_5 56P R5_...

Page 12: ...42 4K7 1 8W R1_41 4K7 1 8W D1_9 W2 04 GND1 R1_25 47R 4 1 2 3 U1_2 VT L5C2 GND1 FTRVT90N1 VAC TE C GND1 CH1 INSE RTOUT CH1 INSERTIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J4 HEADER7X2 GND1 GND1 L1_1 2uH 10A...

Page 13: ...ision Mo del No 17 Jan 20 05 C C LIN ALTO PBM8 CH1 DRIVE 3 3 of PBM8 250 VER04040 6 A2 5 6 7 U2B NJM4580L R2_42 4K7 1 8W R2_41 4K7 1 8W D2_9 W2 04 GND1 R2_25 47R 4 1 2 3 U2_2 VT L5C2 GND1 FTRVT90N1VAC...

Page 14: ...41 4K7 1 8W D1_9 W2 04 GND1 R1_25 47R 4 1 2 3 U1_2 VTL5C2 GND1 FTRVT90N 1 VACTEC GND1 CH1 INSERTOUT CH1 INSE RTIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J4 HEADER 7X2 GND1 GND1 L1_1 2uH 10A R1_26 5R6 2W R1_...

Page 15: ...te DrawnBy Sheet Revision Model No 17 Jan 2005 C C LIN ALTO PBM8 CH1 DRIVE 3 3 of PBM8 500 VER040406 A2 5 6 7 U2B NJM4580L R2_42 4K7 1 8W R2_41 4K7 1 8W D2_9 W2 04 GND1 R2_25 47R 4 1 2 3 U2_2 VTL5C2 G...

Page 16: ...18 BRIDGE1 5A200V C44 33uF 100V C48 100uF 100V C49 100uF 100V C45 100N C46 100N D19 1N4004 C47 220uF 35V D20 1N4004 VCC1 R111 3K 9 1 2W D21 3mmG REENLED 17V 17V OPERATING U12 LM 317T 17V V R104 220R R...

Page 17: ...17...

Page 18: ...18...

Page 19: ...19...

Page 20: ...20 6 7 8...

Page 21: ...21 6 7 8...

Page 22: ...p indicating respectively CH1 and CH2 are at operating status LED D1 18 and LED D2 18 yellow light up indicating the limiter function is normal LED D1 21 and LED D2 21 red light up indicating the clip...

Page 23: ...23 3 D E D F D 0 9 G7H D 0 5 73 7 78 0 9 E D D 7 E 5D 7 78 73 E D I J 73 9 E D I J 73 8 C E D I J...

Page 24: ...D I J 73 9 E D I J 73 8 C E D I J 9 7 9 73 E D I J 3 4 73 E D I J 5D 7 E A D 9 7 78 73 E D I J 73 9 E D I J 9 7 9 73 E D I J 3 4 73 E D I J AD 6 9 7 9 9 K 8 C 73 9 E D I J 73 8 C E D I J 7 78 73 E D I...

Page 25: ...9 E D I J 9 7 9 73 E D I J 3 4 73 E D I J D 6 0 4 D 6 9 L L 5L E D 30 25 25 20 15 10 5 0 5 10 15 20 d B u 20 20k 50 100 200 500 1k 2k 5k 10k Hz 30 25 25 20 15 10 5 0 5 10 15 20 d B u 20 20k 50 100 20...

Page 26: ...26 D 6 9 5 E D D 6 9 L L 5L E 7 7 D 30 25 25 20 15 10 5 0 5 10 15 20 20 20k 50 100 200 500 1k 2k 5k 10k Hz 30 25 25 20 15 10 5 0 5 10 15 20 d B u 20 20k 50 100 200 500 1k 2k 5k 10k Hz...

Page 27: ...6 M 9 C 76 4 5D 6 9 8 7 9 6 J 6 9 8 7 9 7 7 6 J 9 8 7 9 8 C 9 5 6 3 0 2 5 2 5 2 0 1 5 1 0 5 0 5 1 0 1 5 2 0 d B u 20 2 0 k 5 0 10 0 20 0 5 0 0 1 k 2 k 5 k 1 0k H z 30 20 20 10 0 10 d B u 20 20k 50 100...

Page 28: ...28 J 6 9 8 7 9 A6 J 6 9 8 7 9 7 7 A6 J 9 8 7 9 8 C 9 A6 J AD 9 9 C C 0 7 78 4 E K 8 D 1 2 0 2 0 1 1 0 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 d B u 2 0 2 0 k 5 0 1 0 0 2 0 0 5 0 0 1 k 2 k 5 k H z...

Page 29: ...29 D 4 9 8 E K 8 D l12 at2 120 20 110 100 90 80 70 60 50 40 30 d B u 20 20k 50 100 200 500 1k 2k 5k 10k Hz D 1 9 9 7 78 9 9 4 N 0 7 E 9 9 7 78 9 9 0 D N 0 E D D 9...

Page 30: ...O 0 B A 5 0 O A 5 0 A A 0 5O A O O 5 A O 5 O 0 A A O O A 0 0 B 0 B 0 B 0 O O 0 B 0 B 0 O O 5A 0 B 5 0 B A 0 O O 5A A5 0 O O5 O B 5 0 O O 5A C O O 0 C 5 O O C O O C 5 O5 O 5 O C 5 O 5 C O5 A C 5 O C 5...

Page 31: ...A 0 O O 0 B 5 0 O 5 5 0 O A 5 0 O A 0 AO A A A 0 AO A 0 AO A 5 0 AO 0 A 0 O A5 5AA 0 O 0 AA 5 9 A 5 A 0 A 0 0 5 A 0 OA 9 0 O5 O 9 0 7 7 O 0 O 5 9 A A 0 9 A O 0 O 5 7 9 A 0 7 O 9 A 0 B 0 O 0 O 5 B 5 A...

Page 32: ...8 8 8 8 5 8 A 8 8 8 8 8 8 8 5 8 A 8 A 8 8 8 8 8 8 5 8 A 8 8 8 8 8 8 5 8 A 8 8 8 8 8 8 5 8 A 8 5 8 5 8 5 8 5 8 5 8 5 5 8 5 A 8 5 L 8 L O E DF 8 8 8 A 8 A 8 A 8 A 8 A 8 A 5 8 A A 8 8 8 8 8 8 5 8 A 8 6 8...

Page 33: ...A 8 6 AL S J 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 A 8 6 L S J 8 8 8 A 8 6 AL S J 8 8 8 8 8 8 8 8 8 A5 8 6 AL S J 8 8 8 5 8 8 8 5 8 8 AA 8 6 L S J 8 8 5 8 A5 8 AA 8 8 8 8 8 5 8 8 8 8 8 8 8 8 5 8 A 8 A...

Page 34: ...5 4 A8 S J 5 A 5 9 5 7 4 A8 S J A A 5 4 A8 S J A 7 4 A8 S J 9 5 9 5 2 6 E8 P D 9 8 E D 5 A 5 A5E 5DE 7 D E D A 8 6 S J 8 8 8 8 8 6 L S J 8 8 8 8 8 8 8 8 8 8 6 L S J 8 8 8 6 L S J 8 8 6 5 L S J 8 5 8 5...

Page 35: ...A 8 8 8 5 8 8 8 8 8 8 8 5 8 5 8 A 8 A 8 8 5 8 6 L S J 8 8 8 8 8 8 8 8 8 8 8 5 8 A 8 8 8 8 8 8 8 8 8 8 8 5 8 5 8 5 8 5 8 8 8 5 8 6 L S J 8 5 8 A 8 5 8 A 8 5 8 A 8 5 8 A 8 5 8 A 8 5 5 8 5 A 8 55 8 6 L...

Page 36: ...8 8 8 5 8 5 A 3 A E 8 D 3 3 3 5 3 9 9 E D 0 O 3 9 7 1 O O A O O 5 C A O A O O O 5 8 5 0 8 O O O 5 5 0 O O 5A 8 5 O O 5 0 5 O 5 OA 8 O O 8 O O 0 O O A 5 7 A 5 7 9 5 9 E D 5 5 5 A 9 E D 5 9 E D 5 9 A 0...

Page 37: ...A 5 5 O 5 5 A 5 J 9 A 5 J 9 A 5 2 6 A A A 2 6 A 8 6 L 8 8 8 8 8 8 A 8 6 L 8 5 8 5 8 A 8 8 A5 5 B 9 8 AA L 0 E 4 4 D A 1 2 5 P E 3 D 4 A E DT Q O C A C A L 0 E D L 0 E D E O5D 5 7 S J 5 A 5 J A 5 A 8...

Page 38: ...AA 3 5 6 C 0 A A5 O O 0 B 5 P 0 O O 5 0 B A 5 P 0 O O 3 5 B 0 O O 5 O O C 5A O 9 E8 D A 0 O O B 5 O B 8 5 7B O 5 O 0 O O 5A 5 0 7B 5 5 0 0 A 0 0 B 0 O O 5A 9 A O O A 0 0 O A O 0 O O 5A A 5O 5O 0 B A 5...

Page 39: ...O A C O5 C 5 O C 5 O C A O 5 C O C A O C A O 9 9 5 5 A O O A O AO O O C O 9 5 O O O O A 0 0 O O B A 0 O O 5 9 O O 5 A A 0 O 9 0 5 B 5 5 0 O 5 O 5 5 O5 O 5 9 0 0 0 O O B 5 B 5 0 O O 5 9 5 5 C 55 5 5 C...

Page 40: ...9 8 5 B 9 L B 9 8 5 E 9 3 8 L D A M 5 0 5 5 5 P 0 O O A 1 0 E D L A 0 B 8 OA OA A A 5 A A A A A 5 A A A A 5 A A A A A A O A 5 5 O J 9 A O 5 O 5 O A A O A O A A 5 5O 9 E D 5 9 E D 5 9 E D 5 A 5 9 9 5A...

Page 41: ...A 5 0 B 8 A 8 B 8 9 5 5 4 A8 S J 4 A8 S J 5 4 A8 S J 5 5 A 7 S J 5 A A A 5 5 5 5 A A A A A A 7 5 A 5 5 A A 5 7 5 5 4 A8 S J 5 A A 5 5 7 5 A A 5 5 4 A8 S J 5 A A 5 A 4 A8 S 5 5 5 5 5 5 5 A 5 5 A 5 5 5...

Page 42: ...8 5 8 8 8 A 8 8 5 8 8 8 A 8 5 8 5 5 8 5 8 5 8 5 A 8 A 8 A 5 8 A 8 A A 8 A 8 A 8 8 5 8 8 A 8 8 8 A 8 8 6 L S J 8 8 A 8 8 6 S J 8 8 8 8 8 A 8 5 8 6 5 L S J 8 8 A 8 A 8 8 A 8 6 L S J 8 8 8 8 A 8 8 8 A 8...

Page 43: ...5 A A 5 5 A A 5 A 5 5OA A O 5 A A 5 5O 5 5 A A A M 5 5 A 5 A A 8 M 5 A 5 AA E D Q A 5 4 8 M C Q 5 A A5 E D Q 5 E D Q E C D 8 6 8 8 8 8 8 8 A 8 6 8 8 5 5 C E D A C E D M L A5 0 B 73 5 B 73 B 8 9 A A 7...

Page 44: ...C 9 3 3 3 3 3 3 5 3 A 3 A A O 5 A 8 6 A 8 A A A O A L 0 E D A5 8 6 L 8 8 AA 8 A 6 8 8 8 8 A 8 6 5 8 5 8 5 A 8 5 6 L 8 8 8 8 8 A 6 8 8 8 8 8 8 8 8 8 8 5 6 8 8 8 8 A 6 8 8 OA A O 5 O 5 5A A O A A A O A...

Page 45: ...5 0 L 9 3 3 8 9 E D AA O A O 5 8 E D A 0 B 0 B 0 O O 9 O C O5 L 0 E D 8 A 6 8 8 A 8 A 8 6 A 8 8 8 8 6 8 8 5 8 A 6 8 8 A 8 6 8 8 8 6 5 L 8 8 8 6 AL 8 8 8 8 8 8 8 8 8 8 6 AL 8 8 8 6 L 8 8 8 6 L 8 5 8 5...

Page 46: ...5 J A 5 A 8 5 6 S J 5 8 8 5 6 S J 5 8 8 8 A 8 8 8 A 8 8 8 A 6 S J 5 8 8 6 L S J 5 8 5 8 8 8 8 8 8 8 8 8 8 6 L S J 5 8 8 A 8 8 8 8 8 8 5 8 6 L S J 5 8 8 8 8 6 S J 5 8 8 9 5 56 O S J 5 8 8 9 8 E D 5 C...

Page 47: ...47 8 5 B 0 O O 5 O O 5 C 5A O A 9 E8 D O O O O 9 0 0 0 O O5B C 5 5OA O C O 0 B 0 O O O EL C D 5 C A O O A A A 0 O O B O B...

Page 48: ......

Page 49: ...49 0 1 7 A...

Page 50: ...O5 5 9 O O 5 C 5 O A 5 C O A C 5 5 C 5 O O O 5 B 9 5 5 C O O 5 9 A 55 C 5 O5 L E D 5A L E D C 5 O 5 C O O 5 5 8 O O O 5 5 O 5 O 0 A 8 5 O O 5 A O 5OA OA A C A O 5 C 55 O A 8 O O A A O O A O AO 6 E 7...

Page 51: ...51...

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