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4-2

4-2

CIRCUIT DIAGRAM

1

2

 3

4

1

2

 3

4

A

B

A

B

C301

B1

C303

B1

C304

B1

C305

A1

C306

B1

C307

B1

C401

B1

C402

A1

C403

B1

C404

A1

C405

A2

C406

A2

C407

A2

C410

A1

C411

A1

C412

A1

C413

A1

C414

A1

C415

A1

C501

A2

C509

A2

C510

A3

C511

B3

C512

A3

C513

A3

C514

B3

C515

A3

C516

A3

C517

A2

C518

A4

C519

A4

C520

B4

C521

B4

C522

B4

C900

B4

C901

B3

C902

B3

C903

B3

C904

B3

C905

B3

C906

B3

C907

B3

C908

B3

C909

B3

C910

B3

C911

B3

C912

B3

C913

B3

C914

B4

C915

B4

CN301 A1

CN401 A2

CN501 A4

CN901 B4

D501

A4

D503

A3

D901

B3

D902

B3

D903

B3

D904

B3

F901

B4

F902

B4

IC401/A A2

IC401/B A1

IC401/C A1

IC502

A3

JK301

B1

LD401

B3

Q352

B2

Q501

A4

Q502

A4

Q503

A3

Q504

A4

Q505

A4

R301

B1

R302

B1

R303

B1

R304

B1

R366

B1

R367

B1

R368

B2

R369

B2

R370

B2

R371

B2

R372

B2

R373

B2

R401

A1

R402

B1

R403

A1

R404

A1

R405

A1

R406

A2

R407

A2

R410

A1

R411

A1

R514

B3

R515

B3

R516

A3

R518

A3

R519

A3

R520

A3

R521

A3

R522

A3

R523

A3

R524

A3

R525

A4

R526

A4

R527

A4

R528

A4

R529

A4

R530

B4

R531

B4

R532

B4

R533

A3

R901

B4

R902

B3

RB301

B1

RB401

B2

RB402

B2

RB901

B4

RL501

A4

SW301 B1

SW901 B4

T901

B4

VR401

B2

ZD901

B3

ZD902

B3

PIN NO.

VOLTAGE

0V

0V

0V

0V

0V

15.4V 26.2V

0V

0V

0V

13.4V

0V

0V

0V

0V

0V

0V

-13.3V

0V

0V

-12V

9.3V

8.9V

0V

0V

26.3V

0V

-26.3V

-26.3V

1

2

3

4

5

6

7

8

9

10

11

12

13

15

14

IC502 (TDA7296)

PIN NO.

VOLTAGE

1

2

3

4

5

6

7

8

9

10

11

12

13

14

IC401 (TL074CN)

Transistor

B

C

E

Q352

0V

2.1V

0V

1.32V

0.8V

0.74V

0.7V

0.8V

0V

0V

11V

0V

0V

1.3V

0V

0V

1.3V

0V

Q501

Q502

Q503

Q504

Q505

Location

Pin

Summary of Contents for SW3660/00

Page 1: ...lectronic mechanical photocopying or otherwise without the prior permission of Philips Published by BB ET0326 Service Audio Printed in The Netherlands Subject to modification Active Subwoofer Version 1 0 TABLE OF CONTENTS Page Location of PC Boards 1 2 Specifications 1 2 Measurement Setup 1 3 ESD Safety Instruction 1 4 Disassembly Instructions Service Positions 2 Set Block Wiring Diagram 3 Amplifi...

Page 2: ...Output Power 40W 4 Ω DIN THD Total Harmonic Distortion 10 at 55Hz Reproduction Frequency Response 37Hz 145 Hz Phase Switch 00 1800 Input Sensitivity Subwoofer In 460 mVrms AC Power 220 240V 50 60 Hz Power Consumption 32 W at 1 8 Rated Power Dimensions w x h x d 200 mm x 310mm x 350 mm W eight 6 5 Kg ...

Page 3: ...1 3 MEASUREMENT SETUP ...

Page 4: ... Houd componenten en hulpmiddelen ook op ditzelfde potentiaal I AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche statiche ESD La loro longevità potrebbe essere fortemente ridatta in caso di non osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecc...

Page 5: ...embly 1 Place the Subwoofer Box as shown in the Picture 3 and use a screw driver to force open the front assembly Dismantling the Rear assembly 1 Loosen 10 screws B as shown in the Picture 4 Rear View to pull out the Printed Circuit Board assembly Caution Do not break the bundle of wires to the front Take care the surface when take out the front panel of subwoofer Caution Do not break the bundle o...

Page 6: ...2 2 SERVICE POSITION ...

Page 7: ...3 1 3 1 BLOCK DIAGRAM PHASE CHANGE SWITCH VOL CONTROL STAND BY SW PROTECTION CIRCUIT POWER ON OFF DELAT CIRCUIT POWER SUPPLY DC 25V SUBWOOFER SPK DRIVER RELAY DRIVER POWER AMP PRE AMP INPUT HPF LPF LED ...

Page 8: ...3 2 3 2 WIRING DIRGRAM ...

Page 9: ...C Diagram 4 1 Circuit Diagram 4 2 PCB Layout View 4 3 Electrical Parts list 4 4 4 1 4 1 TDA7296 INTERNAL IC DIAGRAM IN IN BOOTRAP VS BOOTRAP OUTPUT VS Bipolar Transconductance Input Stage MOS Gain Level Shifting Stage MOS Output Stage Shot circuit Protection ...

Page 10: ...4 Q503 A3 Q504 A4 Q505 A4 R301 B1 R302 B1 R303 B1 R304 B1 R366 B1 R367 B1 R368 B2 R369 B2 R370 B2 R371 B2 R372 B2 R373 B2 R401 A1 R402 B1 R403 A1 R404 A1 R405 A1 R406 A2 R407 A2 R410 A1 R411 A1 R514 B3 R515 B3 R516 A3 R518 A3 R519 A3 R520 A3 R521 A3 R522 A3 R523 A3 R524 A3 R525 A4 R526 A4 R527 A4 R528 A4 R529 A4 R530 B4 R531 B4 R532 B4 R533 A3 R901 B4 R902 B3 RB301 B1 RB401 B2 RB402 B2 RB901 B4 RL...

Page 11: ...B2 R407 B2 CN401 B3 CN501 D3 CN901 D1 D501 D4 D503 B4 D901 D2 D902 C2 D903 C2 D904 C2 F901 C1 F902 C1 IC401 A1 IC502 A3 J103 C2 J104 D2 J105 D2 J106 D3 J109 C3 J501 A3 J502 B3 J503 B3 J504 B4 J505 B4 J506 A4 JK301 B6 Q352 B3 Q501 D4 Q502 D4 Q503 B4 Q504 C4 Q505 C4 R301 C6 R302 B5 R303 C5 R304 A1 R366 B3 R367 B3 R368 B3 R369 B3 R370 B3 R410 A3 R411 B1 R514 B3 R515 B4 R516 B3 R518 A4 R519 A4 R520 A3...

Page 12: ... COND ELECT 100uF 25V 20 C911 2038 554 00065 100nF 80 20 Y5V 50V C912 2038 554 00065 100nF 80 20 Y5V 50V C913 2038 554 00065 100nF 80 20 Y5V 50V C914 9965 000 20664 CONDDISC0 022uF100V 80 20 C915 9965 000 20664 CONDDISC0 022uF100V 80 20 RESISTORS R301 4822 050 21003 10k 1 0 6W R302 4822 050 25602 5k6 1 0 6W R303 4822 050 21003 10k 1 0 6W R304 4822 050 26202 6k2 1 0 6W R366 4822 050 21003 10k 1 0 6...

Page 13: ...SW3660 Exploded Drawing 5 1 5 1 ...

Page 14: ...11 9965 000 15951 FOOT 28 9965 000 20576 AC SOCKET SO 222 PC S TECX 29 9965 000 15949 SPEAKER GRILLE 30 9965 000 19942 SPEAKER DRIVER 40W 6 5 4 OHM 31 4822 532 13065 SPEAKER SPONGE 33 9965 000 20661 POWER TRANSFORMER EI 66 230V 40W 38 9965 000 20662 SW ROCKER 16A 250V 9965 000 16314 RCA CABLE 3000mm BLK D2 44mm 9965 000 15983 MAINS CORD For 21H version 9965 000 18375 MAINS CORD For 30 version Note...

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