Philips-SW-968-Service-Manual电路原理图.pdf

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1、ServiceServiceServiceTechnical SpecificationsMains Voltage : 230VMains Frequency : 50HzOutput Power (55Hz, 10% THD) : 40W at 4 ohm loadInput Sensitivity : 60dB*Minimum Volume Hum & Noise : 3mVFrequency Response (-3dB) Low : 40HzHigh : 120Hz - 140HzDistortion (100Hz, 200mV) : 1%* at Output level of 2

2、V across 4 ohm loadCopyright 2002 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwisewithout the pri

3、or permission of Philips.Published by BB 0205 Service Audio Printed in The Netherlands Subject to modificationGB3139 785 30047Powered SubwooferService ManualSW968/00S(3139 118 79790)Version 1.021. Place the Subwoofer Box as shown in the Picture 4 andPicture 5 and use a screw driver (minus type) to f

4、orceopen the front assembly.Caution: Do not break the bundle of wires to the front.2. Unscrew 4 screws D (see Picture 6) to remove the WooxSpeaker (pos. 4).1. Place the Subwoofer Box upside down and remove the4 Rubber Foot A (see Picture 1). Then unscrew 4 screwsB (see Picture 2) to loosen the Grill

5、e Base (pos. 19).Picture 5Picture 4DISMANTLING INSTRUCTIONSDismantling the Grille Base & Speaker Driver2. Unscrew 4 screws C (see Picture 3) to remove theSpeaker Driver (pos. 17).Picture 3Picture 2Picture 1Dismantling the Front AssemblyPicture 63Service Position1. Unscrew 10 screws E (see Picture 7)

6、 to pull out the pcboard assembly.Caution: Do not break the bundle of wires to the front.Picture 7DISMANTLING INSTRUCTIONSDismantling the Rear AssemblySW301JK301GTP403TP402LVA0031C021LVA0031C011TP401WIRING DIAGRAM4COMPONENT LAYOUT511P401VR401RB401LD40194V007V0T4A/250VF901FOR CONTINUED PROTECTION AGA

7、INST RISKOF FIRE REPLACE WITH SAME TYPE FUSE!UTILISER UN FUSIBLE DERECHANGE DE MEME TYPEWARNING :AVIS :F902C913J104D904C904C307C306C912C910C411C413R411C403C404C407 R902C908C410C509C501J501IC502R410R370R371 R372 R366R367 R369C510R520 R516J502R514 R373J109R527C303SW501Q504R532 R529R531RL501D501EASTWAY

8、LVA0364-001Q501CN501R525ZD901C911SW301R302JK301 C301R303RB301R301Q505C516C520C521Q502R52807V0 94V0SKABCEC909R524Q352R526C512R530C513J506C514R519 R533R518C518C519J504J505R515R522R521R523D503C522C511Q503R406C414C406R403C517R404R405C412C405R407J503C907J103J106R368R901CN401C906R304 R401CN301IC4011C304ZD

9、902C305C401C415R402C402C903 C902 C901D903D902 D901C905CN901J105T4A/250V1SK1GC515VR401TP403TP402RB401LD401RB402LVA0031C011LVA0031C021TP401ELECTRICAL PARTS LISTMISCELLANEOUS6F901 4822 070 34002!Fuse T4A 250VF902 4822 070 34002!Fuse T4A 250VJK301 4822 267 41238 RCA Jack 1PRL501 9965 000 09708 Relay GJ-

10、SH-112DM 320 OHMSW301 4822 277 11821 Slide SwitchVR401 9965 000 08282 Control Rotary 50kBCAPACITORSC301 4822 122 33293 100pF 5% 50VC303 4822 124 21913 1F 20% 63VC304 4822 124 21913 1F 20% 63VC305 4822 124 21913 1F 20% 63VC306 9965 000 08286 0,022F 5% 100VC307 9965 000 08286 0,022F 5% 100VC401 4822 1

11、22 33293 100pF 5% 50VC402 4822 121 41935 12nF 5% 250VC403 5322 121 42662 68nF 5% 250VC404 5322 121 42662 68nF 5% 250VC405 5322 121 42489 33nF 5% 250VC406 4822 121 42077 6,8nF 10% 400VC407 4822 124 21913 1F 20% 63VC410 4822 124 23056 47F 20% 16VC411 4822 124 23056 47F 20% 16VC412 4822 122 30103 22nF

12、80% 63VC413 4822 122 30103 22nF 80% 63VC414 9965 000 03366 0,22F +80/-20% 50VC415 9965 000 03366 0,22F +80/-20% 50VC501 4822 124 22652 2,2F 20% 50VC509 4822 122 33293 100pF 5% 50VC510 5322 122 32331 1nF 10% 100VC511 5322 124 41945 22F 20% 35VC512 5322 124 41945 22F 20% 35VC513 5322 124 41945 22F 20%

13、 35VC514 4822 124 40248 10F 20% 63VC515 4822 124 40248 10F 20% 63VC516 5322 121 42578 100nF 5% 250VC517 9965 000 08287 0,22F 5% 100VC518 4822 124 40207 100F 20% 25VC519 4822 124 40207 100F 20% 25VC520 4822 124 40248 10F 20% 63VC521 4822 124 40433 47F 20% 25VC522 4822 124 40433 47F 20% 25VC901 4822 1

14、22 30103 22nF 80% 63VC902 4822 122 30103 22nF 80% 63VC903 4822 122 30103 22nF 80% 63VC904 4822 122 30103 22nF 80% 63VC905 4822 124 42402 3300F 20% 35VC906 4822 124 42402 3300F 20% 35VC907 2038 554 00065 100nF +80/-20% 50VC908 2038 554 00065 100nF +80/-20% 50VC909 4822 124 40207 100F 20% 25VC910 4822

15、 124 40207 100F 20% 25VC911 2038 554 00065 100nF +80/-20% 50VC912 2038 554 00065 100nF +80/-20% 50VC913 2038 554 00065 100nF +80/-20% 50VRESISTORSR301 4822 050 21003 10k 1% 0,6WR302 4822 050 25602 5k6 1% 0,6WR303 4822 050 21003 10k 1% 0,6WR304 4822 050 26202 6k2 1% 0,6WR366 4822 050 21003 10k 1% 0,6

16、WR367 4822 050 21001 100R 1% 0,6WR368 4822 050 21003 10k 1% 0,6WR369 4822 050 21502 1k5 1% 0,6WR370 4822 050 21502 1k5 1% 0,6WR371 4822 050 22203 22k 1% 0,6WR372 4822 050 25602 5k6 1% 0,6WR373 4822 050 22702 2k7 1% 0,6WR401 4822 050 21504 150k 1% 0,6WR402 4822 050 21003 10k 1% 0,6WR403 9965 000 0828

17、5 18k 5% 1/6WR404 4822 050 21504 150k 1% 0,6WR405 9965 000 08283 3,8k 5% 1/6WR406 9965 000 08285 18k 5% 1/6WR407 9965 000 08285 18k 5% 1/6WR410 4822 050 21001 100R 1% 0,6WR411 4822 050 21001 100R 1% 0,6WR514 4822 050 21003 10k 1% 0,6WR515 4822 050 23303 33k 1% 0,6WR516 4822 050 22203 22k 1% 0,6WR518

18、 4822 050 25601 560R 1% 0,6WR519 4822 050 22203 22k 1% 0,6WR520 4822 050 22203 22k 1% 0,6WR521 4822 050 22203 22k 1% 0,6WR522 4822 050 21003 10k 1% 0,6WR523 4822 050 23303 33k 1% 0,6WR524 4822 116 81753 4R7 5% 0,5WR525 4822 050 23901 390R 1% 0,6WR526 4822 050 23302 3k3 1% 0,6WR527 4822 050 23304 330

19、k 1% 0,6WR528 4822 050 21004 100k 1% 0,6WR529 4822 050 26803 68k 1% 0,6WR530 4822 050 23302 3k3 1% 0,6WR531 4822 050 23302 3k3 1% 0,6WR532 4822 050 21004 100k 1% 0,6WR533 4822 050 21003 10k 1% 0,6WR901 4822 050 23301 330R 1% 0,6WR902 4822 050 25601 560R 1% 0,6WNote : All capacitors are in F unless o

20、therwise specified.All resistors are 1/6W 5% unless otherwise specified.7CIRCUIT DIAGRAM7ELECTRICAL PARTS LISTDIODESD501 4822 130 31438 1N4001GD503 4822 130 30621 1N4148D901 4822 130 31878 1N4003GD901 5322 130 80686 1N5392D902 4822 130 31878 1N4003GD902 5322 130 80686 1N5392D903 4822 130 31878 1N400

21、3GD903 5322 130 80686 1N5392D904 4822 130 31878 1N4003GD904 5322 130 80686 1N5392LD401 4822 130 10236 LED Green/RedZD901 4822 130 34195 BZX79-B13ZD902 4822 130 34195 BZX79-B13TRANSISTORS & INTEGRATED CIRCUITSIC401 4822 209 32742 TL074CNIC502 4822 209 16935 TDA7296Q352 4822 130 41198 2SC945PQ501 4822

22、 130 41198 2SC945PQ502 4822 130 41198 2SC945PQ503 4822 130 41198 2SC945PQ504 4822 130 41198 2SC945PQ505 4822 130 41198 2SC945PNote : Only the parts mentioned in this list are normalservice spare parts.Some values may varies, see respective parts list for correct value.1991218171615101412131136103332

23、3435337435658232427283029312120454422252643424140383739468EXPLODED VIEW8MECHANICAL PARTS LIST1 9965 000 12141 Volume Knob2 9965 000 12142 Bar Trim (Lens)3 9965 000 12143 Front Cabinet4 9965 000 12144 Woox Speaker9 9965 000 09700 Foot11 9965 000 09701 Foot D30X35mm14 9965 000 09702 Rubber Pad15 4822

24、532 13065 Speaker Sponge16 9965 000 08277 Port Tube17 9965 000 08278 Speaker Driver 100W 6,5“ 4 ohm18 9965 000 08279 Port Tube19 9965 000 12145 Grille Base21 9965 000 09704 Rubber Foot35 9965 000 09705!Mains Cord37 9965 000 07092 Bushing39 9965 000 09707!SW Rocker 5A AC 250V TV-545 9965 000 09706!Power Transformer EI-66 230V 40W9965 000 09734 RCA Cable L=3000mmNote: Only the parts mentioned in this list are normalservice spare parts.SCREW LIST6 M3 x 67 M3 x 810 M3.5 x 1412 M4 x 2813 M4 x 2520 M3.5 x 2827 M3 x 828 M3 x 1433 M3 x 1034 M2 x 636 M3 x 12