Philips-AJ-3970-Service-Manual(1) 电路图 维修手册.pdf

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1、CD Clock RadioAJ3970 MCR220BK all versions Handling Chip Components and Safety .1 - 1 Technical Specification & Service tools.2 - 1 Service Measurement.2 - 2 Instructions for use.3 - 1.3 - 2 Disassembly Diagram.4 - 1 CD Service Test program.4 - 2 Block Diagram .5 - 1 Wiring Diagram.6 - 1 Main Board

2、- Circuit Diagram AF part.7 - 1 Control part.7 - 2 Tuner part.7 - 3 Main Board - Layout Diagram Layout diagram (component side).8 - 1 Layout diagram (copper side).8 - 2 IC D01 - AX CD Board Circuit Diagram.9 - 1 Layout Diagram .9 - 2 Alarm Board Circuit Diagram.10 - 1 Layout Diagram .10 - 1 Play Sel

3、ect Board & CD Door Switch Board Circuit Diagram.11 - 1 Layout Diagram .11 - 1 Exploded view - cabinet.12 - 1 Mechanical partslist.12 - 2 Electrical partslist .13 - 1 . 13 - 6 3140 785 22940Published by LX 0222 Service Audio Printed in The Netherlands Subject to modification CLASS 1 LASER PRODUCT TA

4、BLE OF CONTENTS Copyright 2001 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 otherwise without the pri

5、or permission of Philips. RadioFans.CN 收音机爱 好者资料库 HANDLING CHIP COMPONENTS WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same pote

6、ntial as the mass of the set via a wristband with resistance. Keep components and tools at this potential. f ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont sensibles aux dcharges statiques (ESD). Leur longvite pourrait tre considrablement courte par le fait quaucune prcaution nst pr

7、ise leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfileer le bracelet serti dune rsistance de scurit. Veiller ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. d WARNUNG Alle ICs und viele andere

8、 Halbleiter sind empfindlich gegenber elektrostatischen Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie dafr, da Sie im Reparaturfall ber ein Puls- armband mit Widerstand mit dem Massepotential des Gertes verbunden sind. Halten Sie Ba

9、uteile und Hilfsmittel ebenfalls auf diesem Potential. WAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie via een polsband

10、 met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. i AVVERTIMENTO Tutti IC e parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevit potrebbe essere fortemente ridatta in c

11、aso di non osservazione della pi grande cauzione alla loro manipolazione. Durante le riparationi occorre quindi essere collegato allo stesso potenziale che quello della massa delpparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora sia

12、no anche a questo potenziale. Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used. Safety components are marked by the symbol i Le norme di sicurezza estigono che lapparecchio venga rimesso nelle condizioni ori

13、ginali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati. Componenty di sicurezza sono marcati con Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden toegepast. De

14、Veiligheidsonderdelen zijn aangeduid met het symbool s Varning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. Advarsel ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Varoitus ! Avatussa laitteessa ja

15、 suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen ! f Pour votre scurite, ces documents doivent tre utiliss par des spcialistes agrs, seuls habilits rparer votre appareil en panne. ESD SAFETY d Bei jeder Reparatur sind die geltenden Sicherheitsvor- schriften zu

16、 beachten. Der Originalzustand des Gertes darf nicht verndert werden. Fr Reparaturen sind Original- ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol markiert. f Les normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices de rechange identiq

17、ues celles spcifies. Les composants de scurit sont marqus CLASS 1 LASER PRODUCT DANGER: Invisible laser radiation when open. After servicing and before returning the set to customer perform a leakage current measurement test from all exposed metal parts to earth ground, to assure no shock hazard exi

18、sts. The leakage current must not exceed 0.5mA. AVOID DIRECT EXPOSURE TO BEAM. 1 - 1 RadioFans.CN 收音机爱 好者资料库 2 - 1 SERVICE TOOLS Audio signal disc SBC 429.4822 397 30184 Playability test disc SBC 444.4822 397 30245 Test disc 5(disc without errors ) + Test disc 5A (disc with dropout errors, black spo

19、ts and fingerprints) SBC 426/426A.4822 397 30096 Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).4822 397 30155 anti-static table matlarge 1200 x650 x1.25mm 4822 466 10953 small 600 x650 x1.25m4822 466 10958 anti-static wristband4822 395 10223 connection box (3 press stud con

20、nections, 1M)4822 320 11307 extendible cable (2m, 2M, to connect wristband to connection box)4822 320 11305 connecting cable (3m, 2M, to connect table mat to connection box)4822 320 11306 earth cable (1M, to connect any product to mat or to connection box)4822 320 11308 KIT ESD3 (combining all 6 pri

21、or products - small table mat)4822 310 10671 wristband tester4822 344 13999 AVAILABLE ESD PROTECTION EQUIPMENT GENERAL Mains voltage -/00 : 230 V -/05 : 240V -/17 : 120 V Mains frequency -/00/05 : 50 Hz -/17 : 60 Hz Power consumption Max. : 15 W Standby : 5 W Dimension (W x H x D) : 326.5 x 75 x 190

22、 mm Weight : 1.3 Kg AMPLIFIER Output power : 2 x 0.8 W Speaker impedance : 2 x 8 ohm Frequency response : 100 Hz - 10 kHz (3dB) COMPACT DISC Frequency response : 100 Hz - 10 kHz 2dB S/N ratio : 60 dB Channel difference 1 kHz : 2 dB Channel crosstalk 1 kHz : 40 dB Laser wavelength : 780 20 nm Laser l

23、ight power : Fg:xx - Fo:xx - tb:xx - tg:xx - to:xx NEXT button pressed? STOP button pressed? PLAY button pressed? The SERVICE PLAY MODE intended to detect and identify the failures in the CD mode. In this mode the electronics will still function even when an error is detected so that repair activiti

24、es can be carried out. Set is in Service PLAY Mode. In case of failure, error codes according to table 1 will be displayed. BRIGHTNESS button pressed? Y Toggle Alarm time light SET TIME button pressed? Y Toggle AL1 Led light AL1 button pressed? Y Toggle AL2 Led light AL2 button pressed? SERVICE TEST

25、 PROGRAM 5 - 15 - 1 ATM5 TUNER MODULE ICD01 CD MODULE TMP86CH21F MCU VOLTAGE REGULATOR PWM VOL-CTRL LCD DISPLAY CD ENABLE CD ENABLE RADIO ENABLE RADIO ENABLE AM/FM PRE-AMP DBBMUTEPWR ENABLE POWER AMP TDA2822M TDA2822/ SW BUZZER OUT VOL-CTRL 10V10V5V 5V KEYBOARD 5V 5V 9V ANT 8 OHM POWER ADAPTOR AC/DC

26、 /00/05230V /17120V BLOCK DIAGRAM 6 - 16 - 1 6 MAIN BOARD 2 LIGHT GUIDE BOARD CD DOOR SW BOARD 16 12 PLAY / FUNCTION AC/DC ADAPTOR 00 / VERSION 1 AC/DC ADAPTOR 05 / VERSION AC/DC ADAPTOR 17 / VERSION ANT TUNER CD ATM 5 CPU MODULE LAYOUT CELL 1 16 TUNER 1 BOARD 4 SPEAKER 13 12 1 LCD ICD01 REPEAT ALAR

27、M BOARD WIRING DIAGRAM 7 - 17 - 1 -I/P 3507 B5 3508 C5 3509 C5 7507 G8 9301 H9 T301 D1 T302 D1 3528 E9 3529 A4 3530 A6 3531 A7 3532 A8 GND 5301 E2 6302 G8 6303 H9 6304 E113524 E8 3525 C9 7503 B7 7504 D6 3310 F3 3311 H3 3501 B4 3502 D4 3314 C3 NC 3505 A5 NC 3315 G6 3316 G5 +I/P 3318 H5 3319 G7 3320 G

28、7 7304 F7 7305 G9 7306 H9 7307 C8 6305 E11 7301 G2 7302 G6 7303 G7 7311 E10 7312 D10 7313 C12 7314 E10 7501 B5 7502 D5 3338 D13 3339 F7 7505 B8 7506 D8 2503 B5 2504 D53503 B5 3504 D5 2507 B6 + VCC I/P NC TO ICD01 2509 B6 2510 D6 3506 A5 2512 D7 2513 B7 2514 D7 3510 D5 3511 C6 3512 D6 3513 C6 T303 D1

29、 T304 D1 T305 F1 3517 B7 3518 D7 3519 C7 3520 E7 3521 C8 3522 E8 3523 C8 3306 G2 3307 D3 3526 E9 3527 C9 G H 3312 H2 3313 B3 C TDA2822M LEFT TO ATM5 2317 B9 2318 C103317 H6 2320 C11 2321 B11 2322 D113321 H7 3322 H8 3323 G8 3324 F9 7308 E9 7309 B10 7310 D10 3328 C10 3331 C11 3332 C11 3333 B11 3334 D1

30、1 3336 F10 3337 B13 2337 C13 2338 A93340 E12 3342 B3 67 2505 B5 2506 D5 1011 2508 D6 14 1 2511 B7 345 2515 C7 2516 D7 2517 C9 2518 E9 3514 E6 3515 B7 3516 D7 2529 D9 2530 C9 3301 D2 3302 D2 3303 F2 3304 F2 3305 G2 C D 3308 D3 3309 F3 0002 G11 1003 C14 A B 1303 G1 2301 D3 +A POWER-AMP 2304 E3 2305 G3

31、 2319 C102307 B1 2308 H1 2309 G6 2323 B11 2324 C13 2325 B13 2326 C133325 G9 3326 H10 3327 A9 2330 E8 2331 D2 2332 H8 2333 C13 2334 E11 2335 B2 2336 C13 23 2501 B4 2502 D4 T309 F1 T310 F1 89 T313 F6 T314 H6 1213 T317 G10 T318 G10 2 T320 B14 T321 B14 T322 C14 6789 2519 A5 2520 A6 2521 A7 GND RIGHT VCC

32、 1314 A B 12 8Ohm E F NC -I/P 1004 B14 1302 B14 F G 2302 D2 2303 E2 2310 H7 2311 G7 2306 F3 2313 G10 2314 E8 2315 D8 2316 D10 T306 F1 T307 F1 T308 F1 2327 C13 2328 F10 2329 E12 O/P R O/P L 8Ohm +C 1 1011 45 DGND +I/P T311 B4 T312 D4 D E T315 C9 T316 D9 H 0001 G11 T319 C11 T309 T310 2312 H10 6304 47n

33、 2316 470R 3339 BAS316 1n 3334 10K 7310 BC817-40 2320 1u 2510 1u 2502 T307 220u 2303 T319 7309 BC817-40 6303 BZX79-C10 1u 2501 4K7 3521 1M 3508 2521 FE-ST-VK-N 1 2 3 4 5 6 220u 2507 100n 1303 470p 2305 T317 4R7 3338 T321 T320 T322 150K 3313 3511 470R 3531 2K2 3320 560R 3332 220R 7505 ON4986 1n 3324

34、4R7 3532 470R 3522 2310 470R 2318 2330 22u 2519 100u 2321 1n 1u 10n 2304 3502 2K2 3304 2529 470n 5K6 3505 5K6 3506 2323 100u 7501 BC847B 10K 3342 2336 1n 7308 BC817-40 BZX79-B3V3 2518 22n 3301 10K 6302 2514 1n 2504 100p 470R 3336 T308 BC847C 47u 2311 1u 2509 7311 1K 3530 BC368 7306 3310 BC327-25 731

35、2 3333 10K 22K 100p 2511 15K 3526 3328 2K2 1u 2319 7506 ON4986 22p 3507 1M 2515T315 2512 100p 470R 3510 T313 2 3 4 22K 3340 15R EH-B 1302 1 100p 3315 10K 3308 2505 470u 2309 100n 2313 3318 100K 3317 1K 3529 2K2 2K2 2335 47n 3303 2517 22n 1n 2503 BC327-25 7304 470R 3322 4R7 3337 7313 1 2 3 7 6 5 8 4

36、470R 3509 2K2 1m 2326 3327 ON4986 7504 T312 220u 2308 BC807-40 7301 2302 BC817-40 7307 3518 15R 2328 0u47 2325 BC327-25 47u T318 7507 10n 2307 470n 2530 0001 PAD 4R7 3325 T306 ON4986 7503 T301 15R 3517 150K 3314 2337 1n 2312 2301 3524 4K7 47u 2331 1n T316 22K 3309 100p 2513 3316 T311 T314 15R 3514 3

37、503 470R 7502 BC847B 22K BC847B 7303 47n 2315 3302 10K 7305 BC857B 100K 47n 3311 T305 2314 BC857B 7302 T302 470R 3512 2K2 3312 4K7 3516 22K 3513 1003 100u 2322 3331 220R 22K 3519 1m 2329 470p 2327 3504 470R 2306 3501 100n 0002 PAD 9301 22K 3520 3525 15K 2516 22p 470R 3305 4K7 3515 3323 BZX79-C5V6 63

38、05 47u 2334 3K3 2K7 3528 100K 1u0 5301 3319 100p 2506 BC857B 7314 2338 47u 2520 100u 3523 470R 3326 47n 2317 680R 1m 2333 470u 2332 0u47 2324 100K 3527 470R 3307 10K 3321 T303 470R 3306 T304 1004 2508 100n MUTE GND +5.6V +5.6V +9V BUZZER +5.6V +B RIGHT LEFT TUNER_ON FM_MW_SW FM_MW_SW PWR_ON +5.6V VO

39、LCTRL CD_ON DBB MAIN BOARD- CIRCUIT DIAGRAM (AF PART) 7 - 27 - 2 INT0 P64 STOP2 P65 STOP3 P66 STOP4 STOP5 P54 SEG19 P77 VDD XTOUT VAREF P67 XTIN ECIN P60 P20 STOP INT5 P61 LCD - DRIVER LCD - DRIVERLCD - DRIVER I/O PORT P1 8 BIT A/D Converter ADC INPUT I/O PORT P6P2P2 BOOSTER CIRCUIT LCD VOLTAGE P3 R

40、OMRAM 8-BIT-CPU TMP86C829 ECNT P63 I/O PORT P7 SEG3 SEG8 SEG5 SEG6 SEG7 P76 SEG9 P75 SEG10 LCD - DRIVER I/O PORT P5 DV0 PD03 P30 AVDD P10 P31 TC3 SEG26 INT3 P16 SEG25 P17 SEG24 P50 SEG23 P51 SEG22 P52 SEG21 P53 SEG20 SEG18 SEG1 SEG0 COM3 COM2 COM1 COM0 SEG31 RXD/SI P11 SEG30 TXD/SO P12 SEG29 P62 P74

41、 SEG11 P73 SEG12 P72 V3 V2 V1 C1 C0 TC4 P32 PD04 TC6 P33 PD06 SEG4 SCK P13 SEG28 INT1 P14 SEG27 INT2 P15 SEG2 RESET P22 P21 TEST XIN VSS XOUT SEG13 P71 SEG14 P70 SEG15 P57 SEG16 P56 SEG17 P55 3409 C7 3410 C10 3411 C1 3412 C2 3413 C8 1314 A B H I 910 3476 I6 3477 H4 3478 H4 3480 I7 3481 I5 3482 I2 P-

42、2/3 :PROVISIONAL MAG 2423 G6 2424 G1 12 1420 G12 1429 A9 3435 F12 3436 F13 2416 F7 2417 F8 2418 F7 2419 F7 2421 G2 2406 B8 2407 B10 H TO DOOR SW 1418 G3 1419 G2 2413 C8 2414 F12 7401 D4 7402 E13 7403 E14 7404 I6 7405 H5 7408 I4 3437 F13 3438 F14 3439 F14 3440 F9 3441 E10 3442 I6 3443 F1 3451 F8 P-3

43、LCD 2118 3408 C7 4 A B 1112 D E F G 78 3406 B7 3407 C6 19 LOW LOFF BACKLIGHT T417 C12 3483 I8 3486 I3 3487 I3 3488 F10 12 To Repeat Alarm Board To Light Guide LED Board OR 24HR 3415 C9 3416 C9 3420 D11 2415 F14 Hi-Imp 2401 B8 2402 B10 2403 B7 2405 B10 H I 1407 A11 1410 D13 2411 C7 2412 D11 3433 F7 3

44、434 F12 6411 F11 6412 F13 6413 G9 6414 G9 0R T414 B12 T401 D2 T402 H7 T403 H7 T404 A8 3454 F8 3455 F8 3456 G7 3457 G5 2425 G3 2427 G3 2428 G3 2431 H8 3891011 C 3456 3404 B9 3405 B9 12HR 3475 H2 51610 150K T426 G11 T427 G12 T418 C12 T419 C12 T420 C12 T421 C12 3490 F9 3492 I8 4401 E1 5400 F7 3 P-1 17

45、/00/05 /17 C D E F G BRIGHT 2408 B8 2409 B10 2410 C7 ITEM 3470 22K 4 3430 E7 3431 E1 3432 E8 P-2 13 T411 A9 T412 A11 T415 C12 T416 C12 28 T405 A8 T406 A8 T407 A8 T408 A9 2432 H8 2433 G4 567121314 12 2441 I7 2442 I7 2444 I3 2445 I3 3400 A7 3401 B7 3402 B8 3403 B9 22K PHILIPS 6403 F9 6406 I2 6407 I6 3427 E1T428 G11 T429 G12 T430 G11 6408 H7 T422 E12 T423 E13 T424 E13 T425 G12 3421 D1 3422 D1 11520 3423 D10 3424 D1 3425 E1 9 56K To ICD01 Mod