Text preview for : Mark Bass Parsek LittleMarkII combo.pdf part of Mark Bass Littel Mk2 combo bass amp



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R2 18K D

C2 Combo IC1_1 1 C3 C6 100p 2 LEVEL2 R20B 8.2K 0.47u Sub 8 IC2_7 1 R20A 10k 6 C14 1 C11 1u D2 CN2 R5 22K C12 1u R6 22K R7 22K IC1B 6 7 5 TL072 CN10 2 1 Combo R21B D13 12V 15K 10u LEVEL1 R18 3.3K V1 8 3 0,47u TL072 0,47u R21A 22K C7 C9 0.1u R19 3.3K R22 22K TUNER 1u R10 4.7K Tuner 1 1 C59 R27 10K C D12 12V TL082 C15 5 IC2B 7 2 1 3 1 2 R23 22K C13 0.33u 1 CN3 IC3A R15 100 4 IN-EQL IN-EQL IC2_1 1 RETURN 1 2 100p R3 33K -V1 CN9 Return 1 LEVEL3 C4 C10 R12 33K R13 47K V1 47p D

Input 4 IC1A 1 CN1 R1 2 470 C1 3 47n 8 R16 1M 9.1V 1/4W D1 R17 1M V1 TL072 1 R4 22K C5 100p R8 22K 2.2u C8 0.1u 1 IC1_7 2

R9 4.7K

1 P1 -V1 4

3 47K LOG

IC3_1 -V1

IC2A

R14 47K

9.1V 1/4W C

1 2 3 4

SEND-EFF

Send_Eff

CN4 1 2 3 4 5 6 7 8 B CON8 IN-DIRECT CN5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TUNER RETURN SEND-EFF S-MIX(+) OUT-POST S-MIX(-) D7 LEVEL4 IN-EQL IN-DIRECT OUT-POST OUT-POST R33 2.2K 3 2 1 C58 1u R26 1M S-MIX(-) LEVEL5 D8 R28 10K R24 22K TL072 R30 22K IC3B 6 7 5 R31 1.8K R21 1M C52 1u S-MIX(-) V+15 S-MIX(+) SEND-EFF R11 RETURN 3.9K Mix(+) 1 2 R32 1.5K B C16 220p

S-MIX(+) LEVEL2

D3 D4 LEVEL1 D5 LEVEL3 D6 R25 22K D9 1 6.2V 1/4W R29 0.1u 10K 2 C17 T1_b 31 1

D10 LED

T1 BC846

A

A

Mix(-) Title Little

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Marl II
Number: Time: 17:58:14 5 Revision: Sheet1 of 2

CN6

Size: B

Date: 20-Oct-2005 File: Sheet1.Sch 1 2 3 4

Parsek s.r.l. via Aterno, 30 66020 S.Giovanni Teatino Chieti ITALY 6

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1

P2 POT1-S

3 C19

1

P3 POT1-S

3 C20

3

P4 POT1-S C27 C28

1 R47 IC5_1 1 2.2k LEVEL3 -V1 LEVEL5 IC5_7 R50 220 IC5A 2 3 1 4 R53 330 P7A TL072 R41 C22V1 33p C26 47K 5 10n C52B 6.8n R73 100 C 1 4 8 R52 330 P7B 6 2 10n C52A 1 C29 10n IC5B 5 7 6 TL072 R54 47k 1 D

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2

33p D C18 47n 4 IC4A IN-EQL R34 47K 2 1 3 TL072 R57 V1 15K 47K 8 1 R36 47K 6 R35 47K -V1 C24 6.8n R37 47K

47p 2.2K

R46 33n 33n R38

47K IC4B C60 7 5 1uF TL072 R39 1 R49 IC4_7 15k C25 3 2 LEVEL4 3

IC4_1

C48 3.3n C

C49 15n

R58 15K

C50 470p

C51 2.2n

R40 47K

6.8n

P6 POT1-S

C61 10u +V1 3 OUT-POST V1 C30 100u C31 100u V-15 R56 4.7 1 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u -V1 C34 0.1u C40 C35 0.1u C42 C36 0.1u C43 C37 0.1u C44 C38 0.1u C45 C39 0.1u C46 R42 47K C23 33p 1 OUT-POST 0.1uF R59 22K 2 P5 POT1-S C62

2

IC6_1 1 C21 33p 68K R62 27K C54 2 1 4.7n R67 15K 1 C53 22n 3 3 1 2 3 4 TL072 8 2 P8 Warm V1 R68 15K

R44 100 R60 -V1 4

R61 68K R63 27K

V+15

R55 4.7

IC6_7 1

Out 1 CN7

R45 100

B

-V1 6 5 T2 1 V+15 R64 2 1.5K C32 100uF 35V C41 0.1u J112 1 D11 LED T3 R71 1M 3 J112 2 3 2

IC6B 7 CN8 R65 1K V+22 V+15 V-15 1 2 3 4 5 6 7 8 9 10 + R51 220 R66 100K C55 4.7n

1

IC6A

B

TL072

C56 TPX GND 1 GND_SUPP TP1 GND 1 TP2 GND 1 TP3 GND 1 TP4 GND 1 TP5 GND 1 TP6 GND 1 TP7 GND 1

R72 120

1

-V1

C33 100uF 35V A V-15

1

C47 0.1u

R69 1M C57

R70 1M

T2_Vg R48 2.2k

5 4

IC7

1 2

A

2.2u

H1AA1

Title Little Size:

Mark II
Number: Time: 17:58:01 5 Revision: Sheet2 of 2

B

Date: 20-Oct-2005 File: Sheet2.Sch 1 2 3 4

Parsek s.r.l. via Aterno, 30 66020 S.Giovanni Teatino Chieti ITALY 6

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4 R50

5 +12PROT

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7 D15 2 1 R61

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OUT

3

TRIM2 2K

SourceL 1

SourceH

-15V

R48

DIS 1 3 R63 220K 2 T14 J112

+12PROT D1 +15V Vout VC15 0.1uF/63V 8 IC1B 5 3 2 NE5532 4 R43 C16 0.1uF/63V -15V R44 150p +15V C13 1n/63V OUT R42 C14 1n/63V 715 Vout R46 D2 1N4148 10nF/63V C26 R49 1 R51 10uF/35V R47 NE5532 3 1 2 IC1A 1 + R45 C23 6 8 0.1uF/63V IC2A Sum R59 7 1N4148 I. 1 1 I-I 5 6 BZV55C5V1 D9 IC2B NE5532 7 +15V C17 10nF/63V C25 10uF/25V 3 C28 1 R55 10K 2

R70 10K

+12PROT C22 R60 180K

2.2K

2

R41 R75

R40

D11
1N4148

R54 10K

T26 2N7002

14

C20

0.1uF/63V C21 3 11 4 10 2 12 6 8 IC3

0.1uF/63V 5 9 1 13

D13
VCC OUT A OUT B DISC A DISC B

D

0.1uF/63V

1N4148
D -15V

D12
R52 4.7K 3

100 C19 0.1uF/63V +12PROT T15 2N7002 2

CTLA CTLB RST A RST B THR A THR B TRIGA TRIGB NE556N

D14
D16 2

1N4148

GND

C24 V+ 4

NE5532 C18 1 0.1uF/63V C27 1uF/63V R56 10K

7

C75 1n/63V

1

R62 2.2K

1N4148

V-FAN

-15V

C30 100uF

R53 1.2K R64 100uF/35V C31 + CN2 4 3 2 1 CON4 2 T25 3 MJE340 R67 1 150 5W R57 10K 2

BZV55C5V1 D10 1 2 CN3 MV-RT1 10K t +80VDC TI1 IRFP240 R27 0.33 D7 1N4007 J1 2 1 CON2

100K

R58 10K 3 Prot_I

D17 5.1V

C 33uF C9 R8 R9 C10 47n/250V +15V R12 3 2 C3 T12 MMBT5401 3 2 47pF 1 3 R17 8.2K 3 MJE340 1 T10 1 R15 220

+80Vamp

D22 1N4148
3

R87 1.2K R82 1K

1

T16 C42 BC846 100nF

C

R21 220

1 C76 0.1uF/63V

T17 BC846 (1a) 2

T7 MJE350 R22 220 IRFP240 TI2 R28 0.33 I-I Prot_I CN-Test 4 3 2 1 CON4 R23 TRIM1 12 R19 680 D3 6.2V 220 TI3 IRFP240 R29 0.33 SourceH BC846

MMBT5551 INPUT 3 3

MMBT5551 2

R37

2

12VP RG4 LM7812CT GND +15V C37 0.1uF/63V 1 Vin +12V 3 1

T1 1

T2 1

T5

1 3 MMBT5401 T9 C4 1uF 2

+12PROT

2

2

B C1 1uF 180pF C2 R34 100uF C7A R6 R7 0.1u 2 2 T4 1 3 C8 100uF C7B R35 47K R33

R38 15

1

R1 1M R2 1K

D4 6.2V B OUT R36 4.7 D5 6.2V +12PROT C6 47nF/250V R18 732 R20 680 D6 6.2V R24 220 0.33 R30 TI4 IRFP9240 R68 1M R25 220 2 0.33 R31 TI5 IRFP9240 1 2 3 SourceL R65 68K D18 100uF/35V C32 Prot_I 2 + 3 BD681 T19 2N7002 3 1 2 T18 1N4007 R66 +18V 150 2W 1 RL_OUT_1 4 5 RL1 2 CN1 3 2 1 Speaker Out1

R3 47K

R14 4.7K

MMBT5401

DIS

1 T3 3

T6MMBT5551 1 3

MMBT5401 2 R39 1

3

1

1

T13 MMBT5551 2 47pF C5 3 2 T8 MJE340 1

T11 3 MJE350

T21 BC856 T20 2N7002 3

1 2

A R10 C11 33uF R11

R13

C29 A R26 0.33 TI6 IRFP9240 R32 D8 CN4 1N4007 1 2 Parsek s.r.l. via Aterno, 30 66020 S. Giovanni Teatino Size: A3 Number: Revision: Chieti Date: 13-Sep-2006 Time: 21:12:49 Sheet 1 of 2 Italy File: F:\PRSK\EraSWITCHING\Ampli Lineare\Edizione_07_05\Schemi per assist_Ampli_DA500_07_05.DDB - Ampli.Sch Title Ampli -80VDC 1uF/63V

-15V C12 47n/250V

R16 220

220

-80Vamp

Lineare e Protezioni - DA500

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R4

R5

3

C38 10uF/35V

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47nF/275Vac_X2 t MV-RT2 R69 330K D CN5 12 34 2 1 Rete C33 R71 330K 2.5Ohm 1uF/275Vac_X2 4 3.3mH/6A 2 L1 4 C35 C34 C36 4.7nF/Y1_X2 3 800V/5A C39 1000uF/200V 4.7nF/Y1_X2 BR1 MV-VR1 275L40 2 D 1 Vdc

1

3

C40 1000uF/200V

JP1 110/220

L3 C +80VDC C45 1mF C47 1mF

2 1

3uH 2 1 3

R78 270K C49 220uF 1 3 D24 BYV32E 2 3 1 D25 BYV32E 3 2 D26 BYV32E 2 4 D27 BYV32E 1 R79 470K C

C46 1mF -80VDC +15V 1 +15V 3 + C61 100uF/25V

C48 1mF L4 3uH

C50 220uF 2

VCC

T22
1 3 R76 7 H

1uF C51 Vb Vs 8 6 3 2 D23 200V/1W R74 18K D37 3 LL4148 T24 2N7002 C72 330pF B 2 D38 1N3212 D28 220V/1W

IRFP27N60K 10
5

Driver IC5 en COM L Rt

LM7815CT GND +15V

RG1 Vin 1

TRANS5_1_1 L5 22uH + C64 2200uF 35V D31 BYV27-200 C68 1uF/250V J8 3 1 1 2 Tr1 J3

T23
1 R77 10 1 1 R84 47K D21 100uF/25V C70 D40 LL4148

2

C53 100nF/63V

C57 1uF/63V

1 J7 1 J6 F1 J9

IRFP27N60K

GND

C54 100nF/63V B -15V +18V 1 +18V C41 10uF/25V -15V 1 + L6 22uH C55 1uF/63V

+ C62 100uF/25V 3

+ C65 2200uF 2 L7 22uH

C58 1uF/63V

D32 BYV27-200

F2

J10

1

-15V RG2 LM7915CT

Vin

1 -15V

D29 F3 BYV27-200 V-FAN RG3 Vin 1 L8 22uH 35V BYV27-200 + C66 100uF C60 1uF/63V D30 10nF/63V C67 D34 BYV27-200 D39 BYV27-200 ZENER3 C69 10uF/25V R80 47

C56 1uF/63V LM7812CT

1

1

C52 1uF/63V

D20 CN6 3 2 1 R73 2.2K L9 22uH 22uF/350V C73 22uF/350V C74 2 C59 100nF/63V + C63 100uF/25V

2

GND

+12V

3

+15V

D35 ZENER3

D33 SF22 CN7 1 2 3 4 5 6 7 8 9 10 +

R86A 330K A R86B 330K

+15V -15V INPUT

A

Parsek s.r.l. via Aterno, 30 66020 S. Giovanni Teatino Size: A3 Number: Revision: Chieti Date: 13-Sep-2006 Time: 21:12:50 Sheet 2 of 2 Italy File: F:\PRSK\EraSWITCHING\Ampli Lineare\Edizione_07_05\Schemi per assist_Ampli_DA500_07_05.DDB - Supply.Sch Title Switching

Power Supply - DA500

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