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%
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