Philips-SW-968-Service-Manual 电路图 维修手册.pdf

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1、Service ServiceService ServiceService Technical Specifications Mains Voltage: 230V Mains Frequency: 50Hz Output Power (55Hz, 10% THD): 40W at 4 ohm load Input Sensitivity: 60dB* Minimum Volume Hum & Noise: 3mV Frequency Response (-3dB)Low: 40Hz High: 120Hz - 140Hz Distortion (100Hz, 200mV): 1%* * at

2、 Output level of 2V across 4 ohm load Copyright 2002 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or oth

3、erwise without the prior permission of Philips. Published by BB 0205 Service AudioPrinted in The NetherlandsSubject to modification GB 3139 785 30047 Powered Subwoofer Service Manual SW968/00S (3139 118 79790) Version 1.0 RadioFans.CN 收音机爱 好者资料库 2 1. Place the Subwoofer Box as shown in the Picture 4

4、 and Picture 5 and use a screw driver (minus type) to force open 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 Woox Speaker (pos. 4). 1. Place the Subwoofer Box upside down and remove the 4 Rubber Foot A (see Picture 1)

5、. Then unscrew 4 screws B (see Picture 2) to loosen the Grille Base (pos. 19). Picture 5 Picture 4 DISMANTLING INSTRUCTIONS Dismantling the Grille Base & Speaker Driver 2. Unscrew 4 screws C (see Picture 3) to remove the Speaker Driver (pos. 17). Picture 3Picture 2Picture 1 Dismantling the Front Ass

6、embly Picture 6 RadioFans.CN 收音机爱 好者资料库 3 Service Position 1. Unscrew 10 screws E (see Picture 7) to pull out the pc board assembly. Caution: Do not break the bundle of wires to the front. Picture 7 DISMANTLING INSTRUCTIONS Dismantling the Rear Assembly RadioFans.CN 收音机爱 好者资料库 SW301 JK301 G TP403 TP

7、402 LVA0031C021 LVA0031C011 TP401 WIRING DIAGRAM 4 COMPONENT LAYOUT 5 1 1 P401 VR401RB401 LD401 94V0 07V0 T4A/250V F901 FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE FUSE ! UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE WARNING : AVIS : F902 C913 J104 D904 C904 C307C306 C912 C91

8、0 C411 C413 R411 C403 C404 C407 R902 C908 C410 C509 C501 J501 IC502 R410 R370 R371 R372 R366 R367 R369 C510 R520 R516 J502 R514 R373 J109 R527 C303 SW501 Q504 R532 R529 R531 RL501 D501 EASTWAY LVA0364-001 Q501 CN501 R525 ZD901 C911 SW301 R302 JK301C301 R303 RB301 R301 Q505 C516 C520C521 Q502 R528 07

9、V0 94V0 SK A B C E C909 R524 Q352 R526 C512 R530 C513 J506 C514 R519 R533 R518 C518C519 J504 J505 R515 R522 R521 R523 D503 C522 C511 Q503 R406 C414 C406 R403 C517 R404 R405 C412 C405 R407 J503 C907 J103 J106 R368 R901 CN401 C906 R304 R401 CN301 IC401 1 C304 ZD902 C305 C401 C415 R402 C402 C903 C902 C

10、901 D903 D902 D901 C905 CN901 J105 T4A/250V 1 SK 1 G C515 VR401 TP403 TP402 RB401 LD401 RB402 LVA0031C011 LVA0031C021 TP401 ELECTRICAL PARTS LIST MISCELLANEOUS 6 F9014822 070 34002 !Fuse T4A 250V F9024822 070 34002 !Fuse T4A 250V JK3014822 267 41238RCA Jack 1P RL5019965 000 09708Relay GJ-SH-112DM 32

11、0 OHM SW301 4822 277 11821Slide Switch VR4019965 000 08282Control Rotary 50kB CAPACITORS C3014822 122 33293100pF 5% 50V C3034822 124 219131F 20% 63V C3044822 124 219131F 20% 63V C3054822 124 219131F 20% 63V C3069965 000 082860,022F 5% 100V C3079965 000 082860,022F 5% 100V C4014822 122 33293100pF 5%

12、50V C4024822 121 4193512nF 5% 250V C4035322 121 4266268nF 5% 250V C4045322 121 4266268nF 5% 250V C4055322 121 4248933nF 5% 250V C4064822 121 420776,8nF 10% 400V C4074822 124 219131F 20% 63V C4104822 124 2305647F 20% 16V C4114822 124 2305647F 20% 16V C4124822 122 3010322nF 80% 63V C4134822 122 301032

13、2nF 80% 63V C4149965 000 033660,22F +80/-20% 50V C4159965 000 033660,22F +80/-20% 50V C5014822 124 226522,2F 20% 50V C5094822 122 33293100pF 5% 50V C5105322 122 323311nF 10% 100V C5115322 124 4194522F 20% 35V C5125322 124 4194522F 20% 35V C5135322 124 4194522F 20% 35V C5144822 124 4024810F 20% 63V C

14、5154822 124 4024810F 20% 63V C5165322 121 42578100nF 5% 250V C5179965 000 082870,22F 5% 100V C5184822 124 40207100F 20% 25V C5194822 124 40207100F 20% 25V C5204822 124 4024810F 20% 63V C5214822 124 4043347F 20% 25V C5224822 124 4043347F 20% 25V C9014822 122 3010322nF 80% 63V C9024822 122 3010322nF 8

15、0% 63V C9034822 122 3010322nF 80% 63V C9044822 122 3010322nF 80% 63V C9054822 124 424023300F 20% 35V C9064822 124 424023300F 20% 35V C9072038 554 00065100nF +80/-20% 50V C9082038 554 00065100nF +80/-20% 50V C9094822 124 40207100F 20% 25V C9104822 124 40207100F 20% 25V C9112038 554 00065100nF +80/-20

16、% 50V C9122038 554 00065100nF +80/-20% 50V C9132038 554 00065100nF +80/-20% 50V RESISTORS R3014822 050 2100310k 1% 0,6W R3024822 050 256025k6 1% 0,6W R3034822 050 2100310k 1% 0,6W R3044822 050 262026k2 1% 0,6W R3664822 050 2100310k 1% 0,6W R3674822 050 21001100R 1% 0,6W R3684822 050 2100310k 1% 0,6W

17、 R3694822 050 215021k5 1% 0,6W R3704822 050 215021k5 1% 0,6W R3714822 050 2220322k 1% 0,6W R3724822 050 256025k6 1% 0,6W R3734822 050 227022k7 1% 0,6W R4014822 050 21504150k 1% 0,6W R4024822 050 2100310k 1% 0,6W R4039965 000 0828518k 5% 1/6W R4044822 050 21504150k 1% 0,6W R4059965 000 082833,8k 5% 1

18、/6W R4069965 000 0828518k 5% 1/6W R4079965 000 0828518k 5% 1/6W R4104822 050 21001100R 1% 0,6W R4114822 050 21001100R 1% 0,6W R5144822 050 2100310k 1% 0,6W R5154822 050 2330333k 1% 0,6W R5164822 050 2220322k 1% 0,6W R5184822 050 25601560R 1% 0,6W R5194822 050 2220322k 1% 0,6W R5204822 050 2220322k 1

19、% 0,6W R5214822 050 2220322k 1% 0,6W R5224822 050 2100310k 1% 0,6W R5234822 050 2330333k 1% 0,6W R5244822 116 817534R7 5% 0,5W R5254822 050 23901390R 1% 0,6W R5264822 050 233023k3 1% 0,6W R5274822 050 23304330k 1% 0,6W R5284822 050 21004100k 1% 0,6W R5294822 050 2680368k 1% 0,6W R5304822 050 233023k

20、3 1% 0,6W R5314822 050 233023k3 1% 0,6W R5324822 050 21004100k 1% 0,6W R5334822 050 2100310k 1% 0,6W R9014822 050 23301330R 1% 0,6W R9024822 050 25601560R 1% 0,6W Note : All capacitors are in F unless otherwise specified. All resistors are 1/6W 5% unless otherwise specified. 7 CIRCUIT DIAGRAM 7 ELEC

21、TRICAL PARTS LIST DIODES D5014822 130 314381N4001G D5034822 130 306211N4148 D9014822 130 318781N4003G D9015322 130 806861N5392 D9024822 130 318781N4003G D9025322 130 806861N5392 D9034822 130 318781N4003G D9035322 130 806861N5392 D9044822 130 318781N4003G D9045322 130 806861N5392 LD4014822 130 10236L

22、ED Green/Red ZD9014822 130 34195BZX79-B13 ZD9024822 130 34195BZX79-B13 TRANSISTORS & INTEGRATED CIRCUITS IC4014822 209 32742TL074CN IC5024822 209 16935TDA7296 Q3524822 130 411982SC945P Q5014822 130 411982SC945P Q5024822 130 411982SC945P Q5034822 130 411982SC945P Q5044822 130 411982SC945P Q5054822 13

23、0 411982SC945P Note :Only the parts mentioned in this list are normal service spare parts. Some values may varies, see respective parts list for correct value. 19 9 1 2 18 17 16 15 10 14 12 13 11 36 10 33 32 34 35 33 7 4 3 5 6 5 8 23 24 27 28 30 29 31 21 20 19 9 1 2 10 18 17 16 15 14 13 12 11 10 7 4

24、 3 5 6 5 8 45 44 22 25 26 43 42 41 40 38 37 39 46 8 EXPLODED VIEW 8 MECHANICAL PARTS LIST 19965 000 12141Volume Knob 29965 000 12142Bar Trim (Lens) 39965 000 12143Front Cabinet 49965 000 12144Woox Speaker 99965 000 09700Foot 119965 000 09701Foot D30X35mm 149965 000 09702Rubber Pad 154822 532 13065Sp

25、eaker Sponge 169965 000 08277Port Tube 179965 000 08278Speaker Driver 100W 6,5 4 ohm 189965 000 08279Port Tube 199965 000 12145Grille Base 219965 000 09704Rubber Foot 359965 000 09705 !Mains Cord 379965 000 07092Bushing 399965 000 09707 !SW Rocker 5A AC 250V TV-5 459965 000 09706 !Power Transformer EI-66 230V 40W 9965 000 09734RCA Cable L=3000mm Note: Only the parts mentioned in this list are normal service spare parts. SCREW LIST 6M3 x 6 7M3 x 8 10M3.5 x 14 12M4 x 28 13M4 x 25 20M3.5 x 28 27M3 x 8 28M3 x 14 33M3 x 10 34M2 x 6 36M3 x 12