background image

TRS-00-00087

TRANSISTOR

SMALL SIGNAL PNP

KTA1023Y

Q01,144,244,344,444

5

TRS-00-00088

TRANSISTOR

SMALL SIGNAL NPN

KTC1027Y

Q134,234,334,434

4

TRS-00-00091

TRANSISTOR

SMALL SIGNAL PNP

KTA1268GR

Q22

1

TRS-00-00111

TRANSISTOR

SMALL SIGNAL NPN

KTC3200GR

Q151,251,351,451

4

TRS-00-00110

TRANSISTOR

SMALL SIGNAL NPN

KTC3198GR

Q02,90,131,132,143,181,231,232,243,281

16

Q331,332,343,431,432,443

TRS-00-00090

TRANSISTOR

SMALL SIGNAL PNP

KTA1266GR

Q11,12,23,33,133,141,142,233,241,242

16

Q333,341,342,433,441,442

TRS-00-00109

TRANSISTOR

SMALL SIGNAL NPN

KTC3198BL

Q21

1

DIO-00-00108

DIODE

FAST RECOVERY

FR154

D51,52,53,54

4

DIO-00-00003

DIODE

RECTIFIER

IN4004

D02

1

DIO-00-00006

DIODE

SWITCHING SIGNAL

1SS133

D03,04,11,151,169,251,269,351,369,451

11

D469

RES-00-00586

RESISTOR

METAL FILM 1/5WF

820 OHM

R172,272,372,472

4

RES-00-00523

RESISTOR

METAL FILM 1/5WF

4.7K OHM

R62

1

RES-00-00545

RESISTOR

METAL FILM 1/5WF

5.6K OHM

R120,220,320,420

4

RES-00-00402

RESISTOR

METAL FILM 1/5WF

10K OHM

R125,126,225,226

4

RES-00-00399

RESISTOR

METAL FILM 1/5WF

10.5K OHM

R60

1

RES-00-00417

RESISTOR

METAL FILM 1/5WF

13.7K OHM

R171,271,371,471

4

RES-00-00467

RESISTOR

METAL FILM 1/5WF

22K OHM

R101,121,201,221,301,321,401,421

8

RES-00-00537

RESISTOR

METAL FILM 1/5WF

47K OHM

R102,103,105,106,202,203,205,206,302,303 16
R305,306,402,403,405,406

RES-00-00610

RESISTOR

CARBON FILM 1/5WJ

10 OHM

R15

1

RES-00-00660

RESISTOR

CARBON FILM 1/5WJ

22 OHM

R133,134,143,144,233,234,243,244,333,334 16
R343,344,433,434,443,444

RES-00-00716

RESISTOR

CARBON FILM 1/5WJ

47 OHM

R43,44,45,46,53,54,55,56,136,146

16

R236,246,336,346,436,446

RES-00-00615

RESISTOR

CARBON FILM 1/5WJ

120 OHM

R150,250,350,450

4

RES-00-00756

RESISTOR

CARBON FILM 1/5WJ

820 OHM

R16

1

RES-00-00633

RESISTOR

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

CARBON FILM 1/5WJ

1.5K OHM

R151,251,351,451

4

RES-00-00644

RESISTOR

CARBON FILM 1/5WJ

2.7K OHM

R147,247,347,447

4

RES-00-00676

RESISTOR

CARBON FILM 1/5WJ

3.9K OHM

R12,137,237,337,437

5

RES-00-00702

RESISTOR

CARBON FILM 1/5WJ

4.7K OHM

R01,02,11

3

RES-00-00720

RESISTOR

CARBON FILM 1/5WJ

5.6K OHM

R132,142,232,242,332,342,432,442

8

RES-00-00751

RESISTOR

CARBON FILM 1/5WJ

8.2K OHM

R05

1

RES-00-00608

RESISTOR

CARBON FILM 1/5WJ

10K OHM

R13,14,61,122,152,222,252,322,352,422

11

R452

RES-00-00623

RESISTOR

CARBON FILM 1/5WJ

15K OHM

R34,35

2

RES-00-00658

RESISTOR

CARBON FILM 1/5WJ

22K OHM

R32,91

2

RES-00-00663

RESISTOR

CARBON FILM 1/5WJ

24K OHM

R21,22

2

RES-00-00687

RESISTOR

CARBON FILM 1/5WJ

33K OHM

R33

1

RES-00-00714

RESISTOR

CARBON FILM 1/5WJ

47K OHM

R90

1

RES-00-00730

RESISTOR

CARBON FILM 1/5WJ

56K OHM

R04,181,281,381,481

5

RES-00-00742

RESISTOR

CARBON FILM 1/5WJ

68K OHM

R25

1

RES-00-00604

RESISTOR

CARBON FILM 1/5WJ

100K OHM

R129,229

2

RES-00-00647

RESISTOR

CARBON FILM 1/5WJ

200K OHM

R169,269,369,469

4

RES-00-00664

RESISTOR

CARBON FILM 1/5WJ

270K OHM

R123,124,223,224,323,324,423,424

8

RES-00-00706

RESISTOR

CARBON FILM 1/5WJ

430K OHM

R63

1

RES-00-00053

RESISTOR

METAL FILM 1/2WJ

4.7 OHM

R161,261,361,461

4

RES-00-00018

RESISTOR

METAL FILM 1/2WJ

10 OHM

R03

1

RES-00-00038

RESISTOR

METAL FILM 1/2WJ

220 OHM

R41,51

2

ELC-00-00223

CAPACITOR

ELECTROLYTIC "SMS"

2.2/50V

C120,131,141,220,231,241,320,331,341,420 12
C431,441

ELC-00-00229

CAPACITOR

ELECTROLYTIC "SMS"

4.7/50V

C57,67

2

ELC-00-00195

CAPACITOR

ELECTROLYTIC "SMS"

10/16V

C800

1

ELC-00-00203

CAPACITOR

ELECTROLYTIC "SMS"

10/25V

C15

1

ELC-00-00198

CAPACITOR

ELECTROLYTIC "SMS"

47/16V

C14

1

ELC-00-00205

CAPACITOR

ELECTROLYTIC "SMS"

47/25V

C16

1

Electrical Parts List

  

Reference 7540a/7541a 

15

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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