background image

J61

15m/m

J26

7.5m/m

J14

17.5m/m

R45

47

J115

10m/m

J66

22m/m

C800

10/16V

C52

4700/50V"HC"

J150

7.5m/m

HI301

LAD1140-04PBK

HI101

LAD1140-04PBK

R307

1K

SW102

JSS2219

CON301-1

TM2501-DG-14P

BJ07

55m/m

SW302

JSS2219

J151

7.5m/m

R433

22

R236

47

C251

100P

R233

22

R243

22

R242

5.6K

J129

7.5m/m

R246

47

R2351K

R245

1K

R232

5.6K

R244

22

R234 22

R250

120

Q443

C3198GR

Q44

FQP50N06

Q431

C3198GR

Q442

A1266GR

Q233

A1266GR

R91

22K

Q232

C3198GR

Q231

C3198GR

C232

100P

C242

100P

R252

10K

D251

1SS133

R237

3.9K

C221

68P

Q241

A1266GR

C320

2.2/50V

J120

19m/m

R247

2.7K

R271

13.7KF

C240

473(M)

Q242

A1266GR

R272

820F

R443

22

C191

220/16V

R160

0.1/3W

D291

1N4744

J17919m/m

R03

10/0.5W

J172 7.5m/m

J110
12.5m/m

R370

0.1/3W

D191

1N4744

J174 22m/m

Q243

C3198GR

J55 6m/m

1STPOWER

LWL0640-03P

J134

22m/m

C291

220/16V

Q234

C1027Y

J8112.5m/m

C371

100/16V

R442

5.6K

R350

120

Q244

A1023Y

J44

12.5m/m

J79

7.5m/m

Q251

C3200GR

Q341

A1266GR

C332

100P

C342

100P

R451

1.5K

C451

100P

R15

10

J178 22m/m

D351

1SS133

R352

10K

J1416m/m

J143

6m/m

C301

102P

R337

3.9K

J1526m/m

J1536m/m

C321

68P

Q342

A1266GR

J1556m/m

C141

2.2/50V

C401

102P

J148

10m/m

J166

20m/m

R446

47

J49

12.5m/m

J14910m/m

R181

56K

J222

7.5m/m

R431

1K

R4351K

R347

2.7K

R170

0.1/3W

R131

1K

R141

1K

C340

473(M)

R4411K

Q331

C3198GR

R334

22

Q343

C3198GR

R344

22

R3325.6K

J177 22m/m

R371

13.7KF

Q334

C1027Y

C261

104(M)

R372

820F

J112

12.5m/m

C461

104(M)

R345

1K

J75

15m/m

C471

100/16V

R465

1K

C131

2.2/50V

C192

330/16V

J07

17.5m/m

L01

CL-510

C62

4700/50V"HC"

J138

12.5m/m

J73

15m/m

R321

22KF

R407

1K

R341 1K

J22

10m/m

Q344

A1023Y

Q335

TIP35C

J136

22m/m

Q345

TIP36C

C441

2.2/50V

Q351

C3200GR

J92

12.5m/m

J93

12.5m/m

C431

2.2/50V

C331

2.2/50V

J171 22m/m

J8212.5m/m

Q445

TIP36C

J99

17.5m/m

C341

2.2/50V

C57

4.7/50V

R421

22KF

R56

47

Q435

TIP35C

R335

1K

R365

1K

J156

6m/m

R331

1K

R445 1K

D52

FR154

WIRE

W1

120m/m

J97 20m/m

C404

10P

Q332

C3198GR

Q333

A1266GR

C405

22P

R472820F

C406

22P

J140

6m/m

J76

15m/m

C161

104(M)

R402

47KF

J113

12.5m/m

C171

100/16V

C120

2.2/50V

D53

FR154

D51

FR154

R403

47KF

R121

22KF

J117

15m/m

J154

7.5m/m

J118

20m/m

J142

6m/m

J51

15m/m

J83

15m/m

J137

22m/m

R90 47K

Q434

C1027Y

C220

2.2/50V

R360

0.1/3W

J11

17.5m/m

L02

CL-510

J65

10m/m

R406

47KF

J102

17.5m/m

J310

20m/m

J10

17.5m/m

J64

10m/m

R405

47KF

J130

6m/m

C402

22/16V"SRE"

C60

104P

Q145

TIP36C

Q135

TIP35C

J176 22m/m

R172

820F

C11

100/16V

R171

13.7KF

R346

47

J77

20m/m

R471

13.7KF

C403

22/16V"SRE"

J139

6m/m

C140

473(M)

J98 20m/m

R147

2.7K

R137

3.9K

R4325.6K

J122

22m/m

Q441

A1266GR

R444

22

D42

YG225D2

J91

12.5m/m

J16811m/m

R31

1K

C14

47/16V

J133

22m/m

R41

220/0.5W

R351

1.5K

R02

4.7K

C15

10/25V

D41

YG225D2

R04 56K

J100

17.5m/m

Q340

C3200GR

C181

100/16V

J78

15m/m

C33

473P

R61

10K

R05

8.2K

J158 22m/m

R342

5.6K

R401

22KF

R16 820

C12 100/16V

C13

100/16V

R53

47

R12

3.9K

R343

22

R34 15K

J48

12.5m/m

Q440

C3200GR

J16917.5m/m

R434

22

Q240

C3200GR

R33

33K

Q140

C3200GR

C21102(M)

R14

10K

J252

6m/m

C420

2.2/50V

C22 104P

R01

4.7K

Q151

C3200GR

R11

4.7K

R333

22

C121

68P

Q53

FQP50N06

R32

22K

R336

47

C61

470/50V

J84

17.5m/m

J71

12.5m/m

C63

473P

J88

17.5m/m

2NDPOWER

LWL0640-03P

C304

10P

J12

17.5m/m

Q54

FQP50N06

C53

473P

J35

10m/m

U01

TL494CN

Q43

FQP50N06

J80

7.5m/m

R270 0.1/3W

R21 24K

R460

0.1/3W

J17

17.5m/m

TH01

FTD5-350

R13 10K

R22 24K

R381

56K

R42

1K

J19

17.5m/m

R43

47

J20

17.5m/m

D54

FR154

Q22A1268GR

Q02

C3198GR

Q11

A1266GR

R51

220/0.5W

R152

10K

D03

1SS133

C351

100P

Q12A1266GR

R447

2.7K

Q21

C3198BL

C440

473(M)

Q01

A1023Y

R437

3.9K

J126

11m/m

R150

120

D151

1SS133

Q33

A1266GR

J63 17.5m/m

D04

1SS133

C361

104(M)

R45210K

C142

100P

R281

56K

C132

100P

Q23

A1266GR

Q433

A1266GR

J104

20m/m

R291

150/2W

C1647/25V

J116

6m/m

Q432

C3198GR

R191

150/2W

Q281

C3198GR

J90

12.5m/m

Q181

C3198GR

C05

2200/25V"WL"

Q144

A1023Y

R62

4.7KF

C421

68P

J147

10m/m

R161

4.7/0.5W

R450

120

Q134

C1027Y

C241

2.2/50V

J16711m/m

D451

1SS133

R134

22

C442

100P

C432

100P

Q451

C3200GR

R30

100/2W

Q143

C3198GR

Q142

A1266GR

R144

22

R1325.6K

R145

1K

R135

1K

C08

222(M)

J60

15m/m

R146

47

R151

1.5K

J121

22m/m

R142

5.6K

R143 22

R133

22

R136

47

J67

22m/m

J175 22m/m

R231

1K

Q141

A1266GR

C151

100P

R420

5.6KF

R220

5.6KF

R241

1K

R221

22KF

C231

2.2/50V

J135

22m/m

C306

22P

D01

1N5404

Q131

C3198GR

Q132

C3198GR

Q444

A1023Y

Q245

TIP36C

Q235

TIP35C

Q133

A1266GR

R251

1.5K

C305

22P

TER02

WT-9519

R305

47KF

FH01

WF-9604

J74

15m/m

R303

47KF

C302

22/16V"SRE"

C303

22/16V"SRE"

U301

NJM2068LD

J39

10m/m

R302

47KF

R306

47KF

R301

22KF

U110

NJM2068LD

R469

200K

J170

6m/m

J123

22m/m

C67

4.7/50V

J323

7.5m/m

J173 22m/m

R260 0.1/3W

J125

22m/m

J06

17.5m/m

R60

10.5KF

J86

17.5m/m

R35

15K

J251

13m/m

TM0006-01

R436 47

R165

1K

R269

200K

C101

102P

C201

102P

R265

1K

R169

200K

R369

200K

C271

100/16V

C03 104P

C04

2200/25V"WL"

R207

1K

R107

1K

R481

56K

C204

10P

C205

22P

C206

22P

R202

47KF

R206

47KF

J87

17.5m/m

J103

20m/m

R203

47KF

J89

12.5m/m

R205

47KF

C203

22/16V"SRE"

C202

22/16V"SRE"

J94

12.5m/m

J321

15m/m

R201

22KF

C31

105(M)TL

C104

10P

J320 20m/m

BJ06

35m/m

R162

680/2W

55m/m

105(M)TL

C01

105(M)"TL"

C106

22P

J72

12.5m/m

J54

6m/m

J18

17.5m/m

J53 6m/m

C105

22P

R461

4.7/0.5W

R105

47KF

R52

1K

RCA301

DJB-562D

3RD

C400

104P

WIRE W2 60m/m

C200

104P

D02

IN4004

R362

680/2W

R462

680/2W

R262

680/2W

R106

47KF

J47

12.5m/m

C102

22/16V"SRE"

RCA101

DJB-554A

J108
17.5m/m

J165

7.5m/m

J52 6m/m

R361

4.7/0.5W

R129

100K

C128

4.7/50V"SRE"

C103

22/16V"SRE"

C228

4.7/50V"SRE"

U101

NJM2068LD

R102

47KF

R103

47KF

J85

17.5m/m

R101

22KF

R55

47

R46

47

Q56

FQP50N06

D269

1SS133

Q90C3198GR

R92

1K

R25 68K

SCREW

R54

47

J08

17.5m/m

J09

17.5m/m

Q55

FQP50N06

R470

0.1/3W

J16

17.5m/m

J15

17.5m/m

J13

17.5m/m

Q45

FQP50N06

R44

47

Q46

FQP50N06

55m/m

J05

17.5m/m

L03

CL-310

J119

22m/m

J124

22m/m

J62

17.5m/m

J159 15m/m

J157 15m/m

J160 17.5m/m

J164 22m/m

C323

22/16V"SRE"

C324

22/16V"SRE"

C423

22/16V"SRE"

C424

22/16V"SRE"

C224

22/16V"SRE"

C223

22/16V"SRE"

C124

22/16V"SRE"

C123

22/16V"SRE"

R123

270K

R124

270K

R223

270K

R224

270K

R222

10K

R122

10K

U111

NJM2068LD

R166

1K

R466

1K

R266

1K

R366

1K

R125

10KF

R126

10KF

U310

NJM2068LD

R127

1K

R128

1K

C126

22P

R229

100K

C226

22P

R227

1K

R228

1K

R226

10KF

R225

10KF

R322

10K

R422

10K

R424

270K

R423

270K

R324

270K

R323

270K

J107

17.5m/m

3RD.

BJ0

8

20m/m

BJ09

35m/m

J322

7.5m/m

J331 7.5m/m

J27

7.5m/m

C51

470/50V

J109
12.5m/m

J330

20m/m

J163 22m/m

J162 22m/m

J161 22m/m

J131

17.5m/m

J128

22m/m

J127

11m/m

J101

17.5m/m

D369

1SS133

J144

7.5m/m

J205

11m/m

J250

17.5m/m

J202

20m/m

J201

7.5m/m

C410

104P

C210

104P

J203

6m/m

J132

10m/m

J46

12.5m/m

J219

6m/m

J218

6m/m

J209

10m/m

J213

15m/m

R261

4.7/0.5W

J207

20m/m

J206

20m/m

J228

12.5m/m

J229

6m/m

J215

10m/m

J223

10m/m

J224

10m/m

C06

2200/25V"WL"

J227

10m/m

CLIP

LWL0640-02P

R320

5.6KF

J200

6m/m

J226

10m/m

D469

1SS133

J208

10m/m

J225

6m/m

J230

6m/m

R120

5.6KF

J231

6m/m

D169

1SS133

J214

6m/m

J30

7.5m/m

J31

7.5m/m

J32

7.5m/m

BJ04

35m/m

J34

10m/m

J38

10m/m

J37

10m/m

J36

10m/m

J42

7.5m/m

J43

7.5m/m

J212

6m/m

J211

6m/m

R63

430K

J204

6m/m

J217

6m/m

J216

6m/m

CON101-1

TM2501-DG-14P

J210

10m/m

C32 473P

D11

1SS133

J59 25m/m

J111

20m/m

J25

7.5m/m

J45

12.5m/m

J28

7.5m/m

C292

330/16V

J114

10m/m

SCREW

BJ03

55m/m

J50

12.5m/m

J40

7.5m/m

J41

7.5m/m

J58

10m/m

J57

10m/m

J56

10m/m

J33

6m/m

J29

7.5m/m

J70

23m/m

J21

10m/m

J23

10m/m

J24

10m/m

J300

6m/m

T01

44PHI

SCREW

YELLOW

RED

BK

BK

BK

7540a

FR-IN

FL-IN

+15V

GNDS

FL-OUT

FR-OUT

RR-OUT

RL-OUT

GNDS

-15V

-15V

+15V

RR-IN

RL-IN

R-

R-

R+

R+

L+

L+

L-

L-

MONO

MONO

STEREO

STEREO

L

R

L

L

R

R

R/CH

L/CH

4T:11T:8T:8T

(0.7x15):(0.7x4):(0.7x1):(0.7x1)

  

Reference 7540a/7541a 

11

Содержание 7540a

Страница 1: ...Reference Series 7540a 7541a 4 CHANNEL POWER AMPLIFIER SERVICE MANUAL Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 Rev3 10 2005...

Страница 2: ...78W RMS x 2 channels 4 ohms 1 THD N Signal to noise ratio 81dBA reference 1W into 4 ohms Dynamic power 164W 2 ohms Effective damping factor 6 315 4 ohms Frequency response 10Hz 100kHz 3dB Maximum inpu...

Страница 3: ...Reference 7540a 7541a 2...

Страница 4: ...e should be selected based on total amplifier current draw see chart at right REMOTE CONNECTION Connect the amplifier s Remote REMOTE terminal to the source unit s RemoteTurn On lead using a minimum o...

Страница 5: ...inimum speaker impedance for bridged operation is 4 ohms NOTE Bass Boost only affects rear channels APPLICATIONS 7540a 7541a Figure 7 7540a 7541a amplifier in 4 channel stereo operation to drive front...

Страница 6: ...ttery Apply power to the audio system and play a dynamic music track 3 On the source unit increase the volume control to 3 4 volume Slowly increase the INPUT LEVEL control s toward three o clock until...

Страница 7: ...g is not blocked at mounting location verify that speaker system impedance is within specified limits PROBLEM No audio PROTECT and POWER LEDs flash CAUSE and SOLUTION Voltage less than 9V on BATT conn...

Страница 8: ...Reference 7540a 7541a 7...

Страница 9: ...7 1 2 3 4 5 6 8 A B C D E Reference 7540a 7541a 8...

Страница 10: ...Power Amplifier Reference 7540a 7541a 9...

Страница 11: ...7540a 7541a BLOCK DIAGRAM Power Amplifier Reference 7540a 7541a 10...

Страница 12: ...m R291 150 2W C16 47 25V J116 6m m Q432 C3198GR R191 150 2W Q281 C3198GR J90 12 5m m Q181 C3198GR C05 2200 25V WL Q144 A1023Y R62 4 7KF C421 68P J147 10m m R161 4 7 0 5W R450 120 Q134 C1027Y C241 2 2...

Страница 13: ...60 J19 TH01 R22 R152 R42 R43 J20 R251 D54 Q02 Q11 Q12 J131 R447 D151 C142 Q21 R437 Q01 C461 Q33 R150 J126 R452 D04 Q23 J06 D451 J71 R62 C132 R52 C421 Q433 Q432 J103 R291 C241 J170 Q281 R191 Q181 J89 Q...

Страница 14: ...Reference 7540a 7541a 13...

Страница 15: ...Reference 7540a 7541a 14...

Страница 16: ...R CARBON FILM 1 5WJ 1K OHM R31 42 52 92 107 127 128 131 135 141 36 R145 165 166 207 227 228 231 235 241 245 R265 266 307 331 335 341 345 365 366 407 R431 435 441 445 465 466 RES 00 00598 RESISTOR CARB...

Страница 17: ...2 147 148 J149 208 209 210 215 223 224 226 227 JUP 00 00052 JUMPER 0OHM JUMPER 11m m J126 127 167 168 205 5 JUP 00 00046 JUMPER 0OHM JUMPER 12 5m m J44 45 46 47 48 49 50 71 72 81 23 J82 89 90 91 92 93...

Страница 18: ...491 492 4 RES 08 00201 RESISTOR SMD 0805 1 10WJ 5 6K OHM R113 115 213 215 313 315 413 415 8 RES 08 00210 RESISTOR SMD 0805 1 10WJ 6 8K OHM R396 496 2 RES 08 00132 RESISTOR SMD 0805 1 10WJ 10K OHM R110...

Страница 19: ...TOR RES 00 00417 1 5WF 13 7K OHM R171 271 371 471 2 REF 7541a RESISTOR RES 00 00508 1 5WF 33K OHM R171 271 371 471 REF 7540a RESISTOR RES 08 00225 SMD 0805 1 10WJ 820 OHM R108 208 308 408 3 REF 7541a...

Страница 20: ...Reference 7540a 7541a 19...

Страница 21: ...Reference 7540a 7541a 20...

Страница 22: ...Reference 7540a 7541a 21...

Страница 23: ...R41 220 0 5W Q23 A1266GR C04 2200 25 WL D04 1SS133 R60 10 5KF R42 1K R43 47 R53 47 R52 1K D03 1SS133 Q33 A1266GR R51 220 0 5W D01 1N5404 L03 CL 310 FH01 30Ax2 R46 47 T01 44PHI 4T 11T 8T 8T Q54 FQP50N0...

Страница 24: ...Q151 C3200GR C151 100P D151 1SS133 R152 10K C161 104 M R161 4 7 0 5W R151 1 5K R171 13 7KF C171 100 16V R172 820F C291 220 16V D291 1N4744 15V R291 150 2W R160 0 1 3W Q135 TIP35C Q145 TIP36C Q144 A10...

Страница 25: ...K R411 10K C405 22P VR302A 50KC C393 47P R465 1K C392 104 M TL U310 B 7 6 5 NJM2068LD U306 B 7 5 6 NJM2068M R396 6 8K R393 39K R466 1K REAR L VR302C 50KC REAR R R365 1K R397 150K R366 1K U310 A 1 3 2...

Страница 26: ...R60 10 5KF R42 1K R43 47 R53 47 R52 1K D03 1SS133 Q33 A1266GR R51 220 0 5W D01 1N5404 L03 CL 310 FH01 30Ax2 R46 47 T01 44PHI 4T 11T 8T 8T Q54 FQP50N06 Q43 FQP50N06 Q21 C3198BL D41 YG225D2 D42 YG225D2...

Страница 27: ...V R291 150 2W R160 0 1 3W Q135 TIP35C Q145 TIP36C Q144 A1023Y Q134 C1027Y R150 120 R136 47 R146 47 Q143 C3198GR R137 3 9K Q140 C3200GR Q133 A1266GR D191 1N4744 15V C191 220 16V R191 150 2W R135 1K R13...

Страница 28: ...REAR L VR302C 50KC REAR R R365 1K R397 150K R366 1K U310 A 1 3 2 NJM2068LD C303 22 16V SRE R302 47KF R301 22KF VR303 B 20KB C304 10P R303 47KF C406 22P R311 10K VR302D 50KC R423 270K U301 A 1 2 3 NJM...

Страница 29: ......

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