Alto APM 120 Manual de usuario

ServiceManual

www.altoproaudio.com

Version: .2

Model: AMX-120

CONTENTS

1. Specification

2. Block Diagram

3. Schematic Diagram

4. Printed Circuit Board

5. Wiring Diagram

6. Test Procedure

7. Electrical Parts List

8. Exploded Views & Mechanical Parts List

9. Notes

8. TECHNICAL SPECIFICATION

Mono input channels

Stereo input channels

Impedances

Equalization

Microphone input

electronically balanced, discrete input configuration

Frequency response

10Hz to 55kHz, + 3dB

Distortion (THD & N)

0.005% at +4dBu, 1kHz

Gain range 0dB to 44dB (MIC)

SNR (Signal to Noise Ratio)

115dB

Line input

electronically balanced

Frequency response

10Hz to 55kHz, + 3dB

Distortion (THD & N)

0.005% at +4dBu, 1kHz

Sensitivity range

+15dBu to 30dBu

Line input

Unbalanced

Frequency response

10Hz to 55kHz, 3dB

Distortion (THD & N)

0.005% at +4dBu, 1kHz

Microphone input

1.4kOhm

Channel Insert return

2.5kOhm

All other inputs

10kOhm or greater

Tape out

1kOhm

All other output

120Ohm

Hi shelving

+ 15dB @12kHz

Mid bell + 12dB @2.5kHz

Low shelving

+ 15dB @80Hz

Low Cut filter

75Hz, 18dB/oct.

Main Mix Section

Noise (Bus noise) Fader 0 dB, channels muted: 100dBr (ref.:+4dBu)

Fader 0dB, all input channels assigned and set to

UNITY gain: 90dBr (ref.:+4dBu)

Max output

+22dBu unbalanced, 1/4" jacks

AUX Sends max out

+22dBu

Power supply (AC/AC Adaptor)

Main voltage

USA/Canada 100 120V~, 60Hz

Europe 210 240V~, 50Hz

U.K./Australia 240V~, 50Hz

Power Consumption

11 watts

Physical

Net weight

1.65Kg (3.65lb)

Shipping weight 2.3Kg (5.11lb)

Dimension (W D H) 208mm 275.5mm 35/43mm

(6.06" 7.81" 1.01"/1.30")

1 2 3 4 5 6 78

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19-Dec-2003

ALTO MIXING CONSOLE

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AMX-120 BLOCK DIAGRAM VER031216

A2(C)

MONO INPUT CHANNELS ( 1-2 )

MIC IN

+48V

3-BAND EQ

12K2.5K80

SG/OL

LEFT-BUS

RIGHT-BUS

AUX-1

RIGHT-BUS

LEFT-BUS

AUX-1

STEREO INPUT CHANNELS (3-10)

LEFT-BUS

RIGHT-BUS

AUX-1

AUX-1 AUX SEND

MAIN OUT

LEFT-BUS

RIGHT-BUS

2TK TO MIX

3RIGHT-BUS

LEFT-BUS

TAPE IN

RIGHT

2-TRACK

2TK TO CTRL ROOM

PHONES OUTPUT

LEFT METER

RIGHT METER

+/-15db

MA N MIX

AUX SEND1

MAIN MIX LEFT

MA N MIX RIGHT

CONTROL ROOM OUTPUT

LEFT

RIGHT

PHONES

& PHONES

CONTROL ROOM

LEFT

TAPE OUT

LEVEL

PAN

PHANTOM

LINE IN

GAIN

POWER

LO MID HI

1 2

AUX1

LEVEL

POST

PRE

BALANCE

AUX1

LEVEL

SG/OL

LEFT(MONO)

RIGHT

MIC GAIN:0~60dB

LINE IN TRIM:+15dB~-45dB

EFX SEND

LEFT-BUS

RIGHT-BUS

AUX-1

EFX SEND

1 2

POST

PRE

2TK IN

LEVEL

1 2 3 4 5 6 78

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INPUT STAGE ( CH1-CH4 )

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AMX-120 VER031229

EQ HI

12KHZ

C131

18n(M) VR4

B50K

R151

6K8

VR3

B50K

R150

6K8

R47

10K0

C87

47u/25V

U9B

NJM4580M

R220

C179

22P

R212

1K1

VR5

B50K

R137

1K3

MID

R196

910R

C155

12n(M)

R197

910R

C139

33n(M) C140

33n(M)

C171

12n(M)

C163

18n(M)

C88

47u/25V

VR11

W50K

R228

47K

R248

4K7

C195

2.2u/50V R152

6K8

TR2

TR1

R264

1K5 +VCC

LD1

RED

R236

22K

U9A

NJM4580M

VR9

W50K

PEAK

C89

47u/25V R256

3K9

R270

36K

C180

22P

C90

47u/25V

R284

5K11

AUX-1

LEVEL

AUX-POST

R287

5K11

R286

5K11

LEFT-BUS

RIGHT-BUS

PAN

PGND

80HZ

2.5K

EQ HI

12KHZ

C132

18n(M) VR7

B50K

R155

6K8

VR6

B50K

R154

6K8

R55

10K0

C94

47u/25V

U10B

NJM4580M

R221

C181

22P

R213

1K1

VR8

B50K

R139

1K3

MID

R198

910R

C156

12n(M)

R199

910R

C141

33n(M) C142

33n(M)

C172

12n(M)

C164

18n(M)

C95

47u/25V

VR14

W50K

R229

47K

R249

4K7

C196

2.2u/50V R156

6K8

TR4

TR3

R265

1K5 +VCC

LD2

RED

R237

22K

U10A

NJM4580M

VR12

W50K

PEAK

C96

47u/25V R257

3K9

R271

36K

C183

22P

C98

47u/25V

R288

5K11

AUX-1

LEVEL

AUX-POST

R291

5K11

R290

5K11

LEFT-BUS

RIGHT-BUS

PAN

80HZ

2.5K

AMX-120

AMX-120.S01 AMX-120

AMX-120.S03

POST

(PRE)

POST

(PRE)

(SOLTON 1K2)用

MIC GAIN=-10~-60dB

LINE IN GAIN=+10~-40dB

VR1

O10K

470P C15

22u/35V R19

11K0

LINE IN1

MIC 1 C21

47u/63V R23

3K6

R15

6K81 1/4W

PH PWR

470P

R16

6K81 1/4W

C22

47u/63V

47P

R20

11K0 R24

3K6

C16

22u/35V

R69

51K1

R68

51K1

470P

SMC-6.02

5K11

C27

22P

C28

22P

R26

10K0

R73

27R 1%

C23

1000u/10V

U1A

NJM4580M

R25

10K0 R27

5K11

C29

22P R28

5K11

C30

22P

C17

47u/25

20K 1%

JY-6351G-02-250

U1B

NJM4580M

U5A

NJM4580M

4R7

VR2

O10K

470P

C18

22u/35V R21

11K0

LINE IN2

MIC 2

C24

47u/63V

R29

3K6

R17

6K81 1/4W

PH PWR

C10

470P

R18

6K81 1/4W

C25

47u/63V

C11

47P

R22

11K0 R30

3K6

C19

22u/35V

R386

51K1

470P

SMC-6.02

R10

5K11

R11

5K11

C31

22P

C32

22P

R32

10K0

R74

27R 1%

C26

1000u/10V

U2A

NJM4580M

R31

10K0 R33

5K11

C33

22P R34

5K11

C34

22P

C20

47u/25

R12

20K 1%

JY-6351G-02-250

U2B

NJM4580M

U25A

NJM4580M

R38

4R7

R37

4R7

VR10

W50K

R77

4K7

R78

4K7

VR13

W50K

R79

4K7

R80

4K7

AMX-120

AMX-120.S02

U2C

U1C

U9C

C203

100n

C204

100n

+VCC

-VCC

C205

100n

C206

100n

C299

100n

C300

100n

U10C

C301

100n

C302

100n

U5C

U3C

U4C

C287

100n

C288

100n

C289

100n

C290

100n

C291

100n

C292

100n

VR15

W50K

R105

47K

R114

4K7

C106

2.2u/50V R91

6K8

TR6

TR5

R135

1K5 +VCC

LD3

RED

R125

22K 3

U4A

NJM4580M

VR19A

W50K

PEAK

C53

47u/25V R141

3K9 R153

36K

C110

22P

C56

47u/25V

R168

8K2

AUX-1

LEVEL

AUX-POST

R169

12K

R170

12K

LEFT-BUS

RIGHT-BUS

BAL

PGND

R40

10K0

R41

10K0

R104

47K

R126

22K 5

U4B

NJM4580M

VR19B

W50K

C54

47u/25V R142

3K9

R149

36K

C111

22P

C55

47u/25V

LEVEL

R96

10K0

R95

10K0

JY-6351G-02-250

LINE IN 3/4

JY-6351G-02-250

LEFT(MONO)

RIGHT

U3A

NJM4580M

R39

10K0

22P

C51

47u/25V

R14

10K0

22P

10K0

C126

100P

10K0

C127

100P

U3B

NJM4580M

R36

10K0

C12

22P

C52

47u/25V

R35

10K0

22P

10K0

C128

100P

R13

10K0

C129

100P

R187

20K

R186

20K

POST

(PRE)

R112

4K7

R113

4K7

U5B

NJM4580M

R263

62K

R267

1K3

R273

20K

C208

47u/25V

C198

0.22u/50V

C199

0.22u/50V R269

6K8

LO CUT

SW3A

PS-22E85L

SW3B

PS-22E85L

C200

0.22u/50V

U25B

NJM4580M

R266

62K

R268

1K3

R274

20K

C209

47u/25V

C201

0.22u/50V

C202

0.22u/50V R272

6K8

LO CUT

SW4A

PS-22E85L

SW4B

PS-22E85L

C207

0.22u/50V

U25C

C210

100n

C211

100n

SW5A

PS-22E85L

SW5B

PS-22E85L

R302

1K2

R303

1K2

+4/-10 DB

AMX-120 (1/4)

VR20

W50K

UNINSERTED

1 2 3 4 5 6 78

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RevisionModel No:

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INPUT STAGE ( CH5-CH8)

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AMX-120 VER021229

VR17

W50K

R109

47K

R120

4K7

C108

2.2u/50V R93

6K8

TR10

TR9

R138

1K5 +VCC

LD5

RED

R129

22K 3

U20A

NJM4580M

VR23A

W50K

PEAK

C65

47u/25V R145

3K9 R160

36K

C114

22P

C68

47u/25V

R176

8K2

AUX-1

LEVEL

AUX-POST

R174

12K

R175

12K

LEFT-BUS

RIGHT-BUS

BAL

PGND

R63

10K0

R64

10K0

R108

47K

R130

22K 5

U20B

NJM4580M

VR23B

W50K

C66

47u/25V R146

3K9

R159

36K

C115

22P

C67

47u/25V

LEVEL

R100

10K0

R99

10K0

JY-6351G-02-250

LINE IN 7/8

X10

JY-6351G-02-250

LEFT(MONO)

RIGHT

U18A

NJM4580M

R62

10K0

C40

22P

C63

47u/25V

R59

10K0

C37

22P

R54

10K0

C136

100P

R56

10K0

C137

100P

U18B

NJM4580M

R61

10K0

C41

22P

C64

47u/25V

R60

10K0

C39

22P

R57

10K0

C138

100P

R58

10K0

C143

100P

R191

20K

R190

20K

POST

(PRE)

R118

4K7

R119

4K7

U19C

U18C

C151

100n

C150

100n

+VCC

-VCC

C153

100n

C152

100n

U20C

U21C

C154

100n

C157

100n

C158

100n

C159

100n

U18~ U21=NJM4580M

VR16

W50K

R107

47K

R117

4K7

C107

2.2u/50V R92

6K8

TR8

TR7

R136

1K5 +VCC

LD4

RED

R127

22K 3

U21A

NJM4580M

VR21A

W50K

PEAK

C58

47u/25V R143

3K9 R157

36K

C112

22P

C60

47u/25V

R172

8K2

AUX-1

LEVEL

AUX-POST

R171

12K

R173

12K

LEFT-BUS

RIGHT-BUS

BAL

PGND

R49

10K0

R50

10K0

R106

47K

R128

22K 5

U21B

NJM4580M

VR21B

W50K

C59

47u/25V R144

3K9

R158

36K

C113

22P

C62

47u/25V

LEVEL

R98

10K0

R97

10K0

JY-6351G-02-250

LINE IN 5/6

JY-6351G-02-250

LEFT(MONO)

RIGHT

U19A

NJM4580M

R48

10K0

C14

22P

C57

47u/25V

R45

10K0

C13

22P

R42

10K0

C130

100P

R43

10K0

C133

100P

U19B

NJM4580M

R53

10K0

C35

22P

C61

47u/25V

R52

10K0

C36

22P

R44

10K0

C134

100P

R51

10K0

C135

100P

R188

20K

R189

20K

POST

(PRE)

R115

4K7

R116

4K7

SW6A

PS-22E85L

SW6B

PS-22E85L

R304

1K2

R305

1K2

SW7A

PS-22E85L

SW7B

PS-22E85L

R306

1K2

R307

1K2

+4/-10 DB

VR22

W50K

VR24

W50K

AMX-120 (2/4)

UNINSERTED

1 2 3 4 5 6 78

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AMX-120.S02

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INPUT STAGE ( CH9-CH10)

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AMX-120 VER021229

U11C

+VCC

-VCC

U12C

C184

100n

C185

100n

C186

100n

C187

100n

U18~ U21=NJM4580M

VR18

W50K

R111

47K

R123

4K7

C109

2.2u/50V R94

6K8

TR12

TR11

R140

1K5 +VCC

LD6

RED

R133

22K 3

U12A

NJM4580M

VR28A

W50K

PEAK

C99

47u/25V R147

3K9 R166

36K

C124

22P

C101

47u/25V

R184

8K2

AUX-1

LEVEL

AUX-POST

R183

12K

R185

12K

LEFT-BUS

RIGHT-BUS

BAL

PGND

R86

10K0

R87

10K0

R110

47K

R134

22K 5

U12B

NJM4580M

VR28B

W50K

C100

47u/25V R148

3K9

R167

36K

C125

22P

C103

47u/25V

LEVEL

R102

10K0

R101

10K0

X19

JY-6351G-02-250

LINE IN 9/10

X20

JY-6351G-02-250

LEFT(MONO)

RIGHT

U11A

NJM4580M

R85

10K0

C48

22P

C97

47u/25V

R84

10K0

C47

22P

R81

10K0

C146

100P

R82

10K0

C147

100P

U11B

NJM4580M

R90

10K0

C49

22P

C102

47u/25V

R89

10K0

C50

22P

R83

10K0

C148

100P

R88

10K0

C149

100P

R201

20K

R202

20K

POST

(PRE)

R121

4K7

R122

4K7

914

U8C

LM339

U8B

LM339

U7B

LM339

914

U7C

LM339

LD9

GR LD11

GR LD13

GR LD15

R245

120R

R246

110R R252

150R R254

1K R253

820R

+VCC

R251

10R

-VCC

PGND

11 13

U8D

LM339

U8A

LM339

U7A

LM339

11 13

U7D

LM339

LD10

GR LD12

GR LD14

GR LD16

LEFT METER

(-20) (0)

U6A

NJM4580M

R258

100K

R259

100K C190

47u/25

PGND

TR13

+VCC

D1A

DA204K

D1B

DA204K

TR14

R225

120R

R250

470R

R247

470R

R103

10K0

PGND

U6B

NJM4580M

R255

100K

R260

100K C191

47u/25

PGND

312

U8E

LM339

312

U7E

LM339

U6C

NJM4580M

C182

100n

C178

100n

R243

47R

R242

47R

C104

47u/25V

C105

47u/25V

+VCC

-VCC

PGND

LD7

RED

LD8

R124

4K7

R244

PGND

PH PWR

( 5) ( 18)

PWR ON

PHANTOM

+VCC

R262

10K0

R261

10K0

PGNDPGND

RLS4148

L-METER

R-METER

-VCC

SW8A

PS-22E85L

R308

1K2

+4/-10 DB

SW8B

PS-22E85L

R309

1K2

+4/-10 DB

VR29

W50K

AMX-120 (3/4)

UNINSERTED

1 2 3 4 5 6 78

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Date: Drawn By:

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RevisionModel No:

3-Jan-2004 KEVIN LIN.

STEREO AUX & SENDS & MAIN OUT & 2TK & CTRL R & PHONES

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AMX-120 VER031229

C188

100P

C69

47u/25V R203

15K

R131

22K

C189

100P

C75

47u/25V R204

15K

R132

22K

VR26B

W50K

VR26A

W50K

U13A

NJM4580M

U13B

NJM4580M

R205

30K

C43

22P

C77

47u/25V

R177

5K11

R206

30K

C44

22P

C78

47u/25V

R180

5K11

U14B

NJM4580M

U14A

NJM4580M

R178

5K1

C116

22P

LEFT-BUS

RIGHT-BUS

C117

22P

R179

5K1

C71

47u/25V

C81

47u/25V

U15B

NJM4580M

U15A

NJM4580M

R163

30K

C119

22P

R230

3K6

C72

47u/25V

VR25B

W50K

MAIN MIX

VR25A

W50K

R162

30K

C118

22P

R231

3K6

C73

47u/25V

C74

47u/25V

C83

47u/25V

R65

10K0

R72

10K0

R211

120R

X12

JY-6351G-02-250

R210

120R

X15

JY-6351G-02-250

R218

120R

R209

120R

MAIN OUT

LEFT

RIGHT

R232

R233

L(WHITE)

R(RED)

C84

47u/25V

R195

20K 3

U16A

NJM4580M

R200

20K

C123

22P

C85

47u/25V

R75

10K0

R182

5K11

C76

47u/25V

R193

20K 5

U16B

NJM4580M

R194

20K

C120

22P

C79

47u/25V

R66

10K0

R181

5K11

TAPE IN

SW1A

PS-22E85L

LEFT-BUS

SW1B

PS-22E85L

RIGHT-BUS

2TK TO MIX

SW2A

PS-22E85L

R234

27K

2TK TO

U17A

NJM4580M

VR27A

W50K

C80

47u/25V R238

7K5

R164

36K

C46

22P

C82

47u/25V

R67

10K0

U23A

BA15218N

U23B

BA15218N

X18

JY-6351G-02-250

R223

120R

R219

120R

CTRL ROOM OUT

C122

22P

R71

10K0

R216

120R

X16

JY-6351G-02-250

R217

120R

PHONES

R215

120R

R214

120R

SW2B

PS-22E85L

R235

27K

U17B

NJM4580M

VR27B

W50K

C86

47u/25V R239

7K5 R165

36K

C45

22P

C93

47u/25V

R76

10K0

X17

JY-6351G-02-250

U22A

BA15218N

U22B

BA15218N

R224

120R

R222

120R

R70

10K0

C121

22P

U22C

BA152 8N

U23C

BA152 8N

R241

47R

R240

47R

C91

47u/25V

C92

47u/25V

AUX RETURNS

L-METER

R-METER

X11

JY-6351G-02-250

AUX SENDS

R208

120R

R207

120R

R192

20K

C70

47u/25V

U24A

NJM4580M

R161

36K

C42

22P

AUX-1

ROOM

C144

100P

C145

100P

TAPE OUT

MAIN MIX

LEFT-BUS

RIGHT-BUS

LEFT

RIGHT

R226

18K

R227

18K

CONTROL

PHONES/

CTRL ROOM

1 4

2 5

X21

SCP6873NS3232

LEFT

RIGHT

C176

100n

C177

100n

MOUT-L

MOUT-R

LEFT-BUS

RIGHT-BUS

AUX-1

U17C

U16C

+VCC

-VCC

U24C

C160

100n

C161

100n

C162

100n

C165

100n

C166

100n

C167

100n

U15C

U14C

C168

100n

C169

100n

C170

100n

C173

100n

U13C

C174

100n

C175

100n

U24= NJM4580M

U13~ U17= NJM4580M

EFXRTN-L

EFXRTN-R

C233

47u/25V

U24B

NJM4580M

R46

36K

C38

22P

R322

6K2

VR30

W50K

AUX SENDS

AMX-120 (4/4)

D12

1N4002

D13

1N4002

ZD1

1N5261

C401

47uF/100V

D15

1N4002

D14

1N4002

C402

47uF/100V

TR21

7815A

C408

1000uF/35V

PGND

C403

47u/25V

D16

RLS4148

C409

1000uF/35V C404

47u/25V

D11

RLS4148

C405

100uF/100V

PGND

R441

390K

C407

47uF/100V

R442

10K0

R443

10R

R440

20K

C406

47uF/100V

TR23

TIP122

+VCC

-VCC

PH PWR

TR22

7915A

PHANTOM PWR

(47V 0.5W)

CN1

AC IN SW11

PGND R444

0R0

PHANTOM

SW10

TR20

7805

PGND

+5VD

C400

1000uF/16V

PGNDDGND

R445

0R0

AMX-120 NOT USE

PCB : AMX-120FX Top Overlay

PCB : AMX-120FX Bottom Overlay

Otros manuales para APM 120

Este manual sirve para los siguientes modelos

Tabla de contenidos

Otros manuales de Amplificador de Alto

Alto

Alto DPA900/1500 Manual de usuario

Alto

Alto MC500.4 Manual de usuario

Alto

Alto Mistral 400 Manual de usuario

Alto

Alto MISTRAL 2500 Manual de usuario

Alto

Alto MAC 2.2, MAC 2.3, MAC 2.4 Manual de usuario

Alto

Alto D1 Manual de usuario

Alto

Alto MISTRAL900 Manual de usuario

Alto

Alto HPA4 Manual de usuario

Alto

Alto aMictube Manual de usuario

Alto

Alto MISTRAL2500 Manual de usuario

Alto

Alto MISTRAL 6000 Manual de usuario

Alto

Alto MC500.4 Manual de usuario

Alto

Alto A500.2 DRAGONFLY Manual de usuario

Alto

Alto MC700.4 Manual de usuario

Alto

Alto MC700.4 Manual de usuario

Alto

Alto MP8 Manual de usuario

Alto

Alto MISTRAL2500 Manual de usuario

Alto

Alto MISTRAL 6000 Manual de usuario

Alto

Alto HPA6 Manual de usuario

Alto

Alto DPA 2500 Manual de usuario

Alto

Alto A400.4 Dragonfly Manual de usuario

Alto

Alto HPA6 Manual de usuario

Alto

Alto MC250.4 Manual de usuario

Alto

Alto MAC 2.3 Manual de usuario

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