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CD Clock Radio

AJ3970

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 - 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 Select 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 22940

Published by LX 0222 Service Audio    Printed in The Netherlands    Subject to modification

CLASS 1

LASER PRODUCT

TABLE 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 prior permission of Philips.

www.freeservicemanuals.info

10/11/2012

www.nostatech.nl

World of free manuals

Summary of Contents for AJ3970

Page 1: ...gram 10 1 Layout Diagram 10 1 Play Select 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 22940 Published by LX 0222 Service Audio Printed in The Netherlands Subject to modification CLASS 1 LASER PRODUCT TABLE OF CONTENTS Copyright 2001 Philips Consumer Electronics B V Eindhoven The Net...

Page 2: ...lo della massa delápparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano 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 l apparec...

Page 3: ...671 wristband tester 4822 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 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...

Page 4: ...ndpass 250Hz 15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage RF Generator e g PM5326 Ri 50Ω Low pass filter 22kHz L R LEVEL METER e g Sennheiser UPM550 with FF filter S N and distortion meter e g S...

Page 5: ...e facing up and close the door 2 Press PLAY PAUSE 2 to start playback y Display shows Cd and the total num ber of tracks then your cur rent track number before returning to clock time Other possible CD indications before returning to clock time y door is shown if the CD door is not closed y noCd is shown if no CD has been inserted insert ed incorrectly y nFCd is shown if the CD R W is non finalize...

Page 6: ... door properly Gentle Wake Volume A sure way of getting up in the mornings the gentle wake volume for the alarm begins from a fixed gentle volume 10 and gradually increases to a maximum higher setting of 25 The default low volume is Lo 10 and the maximum volume is HI 25 During the alarm call if you press 4 or 3 the volume stops increasing immediately The gentle wake volume settings do not affect n...

Page 7: ...R 6x 2x A1 B1 2x 4x C REMOVE COMBI BOARD ASSEMBLY REMOVE SCREWS C3 2 5x10 4 PCS C3 C4 REMOVE SCREWS C4 2x8 2 PCS D REMOVE LOUDSPEAKER 2x 4x 2x YD77 4A D5 D6 D7 REMOVE SCREWS D6 3x10 2 PCS REMOVE SCREWS D5 3x10 4 PCS REMOVE SCREWS D7 3x16 2 PCS DISASSEMBLY DIAGRAM www freeservicemanuals info 10 11 2012 www nostatech nl World of free manuals ...

Page 8: ...isplay shows F02 STOP button pressed Y WAKE UP TRACK button pressed N Y Display shows part segments and flags see figure 3 RADIO button pressed Y N Display shows Switch on radio STOP button pressed N Y SERVICE PLAY TEST Error code Type Error description E 00 W W W W F F F Focus error E 22 Fatal subcode error Subcode error E 05 Jump error E 01 HF error CD ERROR CODES table 1 figure 1 figure 2 figur...

Page 9: ...CD ENABLE CD ENABLE RADIO ENABLE RADIO ENABLE AM FM PRE AMP DBB MUTE PWR ENABLE POWER AMP TDA2822M TDA2822 SW BUZZER OUT VOL CTRL 10V 10V 5V 5V KEYBOARD 5V 5V 9V ANT 8 OHM POWER ADAPTOR AC DC 00 05 230V 17 120V BLOCK DIAGRAM www freeservicemanuals info 10 11 2012 www nostatech nl World of free manuals ...

Page 10: ... 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 1 3 1 2 1 LCD ICD01 REPEAT ALARM BOARD WIRING DIAGRAM www freeservicemanuals info 10 11 2012 www nostatech nl World of free manuals ...

Page 11: ... C11 T309 T310 2312 H10 6304 47n 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 4R7 3532 470R 3522 2310 470R 2318 2330 22u 2519 100u 2321 1n 1u 10n ...

Page 12: ...07 I6 3427 E1 T428 G11 T429 G12 T430 G11 6408 H7 T422 E12 T423 E13 T424 E13 T425 G12 3421 D1 3422 D1 1 15 20 3423 D10 3424 D1 3425 E1 9 56K To ICD01 Module 3492 3483 LEVEL 6 7 14 T409 A9 T410 A9 3466 G3 3467 G9 3468 G4 2440 I2 T413 B12 3469 G9 3470 H8 3473 H5 HIGH 1 2 11 PCB 3458 G7 3465 G1 2434 I5 2436 I5 2437 I5 10K 3424 3428 E12 3429 E14 8K2 P 1 PROVISIONAL 6409 I4 6410 H3 NC NC 5401 G4 5402 H3...

Page 13: ... F7 5111 E4 6101 A2 6102 A3 7101 B5 7102 A9 6 T012 G2 T013 F2 9020 2 3 4 6 7 8 2120 1u 5105 RED 1 7102 BC847B 2121 1u T007 T008 9018 8p2 2110 7M4A522A 5108 BLACK 1 2 3 4 6 7 8 1 2 3 4 6 7 8 7M4A545N 5106 WHITE 1 2 3 4 5 3113 150K T009 1110 FE BT VK N 6101 BAS216 1104 XH S 1 2 3102 68K 1 1001 1 2116 5102 47p 2102 4n7 2101 220n 2113 330p 2114 T005 T004 T001 1 T002 T003 100MHZ 5104 5100 2115 4u7 5107...

Page 14: ...15 D2 3337 A3 9312 C7 9420 C4 2117 C2 3338 A3 9313 D4 9421 B3 2118 C2 3340 A4 9314 D5 9422 A4 2120 C1 3436 C6 9315 D4 9423 A4 2121 C1 3439 C6 9316 E3 9424 A5 2122 C1 5101 E1 9317 D4 9425 A5 2303 C2 5102 E1 9318 D4 9426 A5 2308 C8 5104 D1 9319 E2 9430 D5 2309 D8 5105 C1 9320 E3 9431 C6 2311 E8 5106 D2 9321 D3 2312 C8 5107a D2 9322 A3 2318 B3 5107b D2 9323 A2 2319 B3 5107c D2 9324 A2 2322 B3 5108 D2...

Page 15: ...3427 A3 3509 D6 7402 C3 2337 A6 3305 E6 3428 C3 3510 D6 7403 C3 2401 A4 3306 E6 3429 C3 3511 D6 7404 B2 2402 A4 3307 B7 3430 B4 3512 D6 7405 C2 2403 A4 3308 B7 3431 A3 3513 C6 7408 C2 2405 A4 3309 E6 3432 B4 3514 C6 7501 D6 2406 A4 3310 E6 3433 B4 3515 C6 7502 D6 2101 2102 2114 2116 2119 3102 3104 3108 3109 3110 3113 3114 3120 3121 6101 6102 7101 7102 9010 9011 9012 9015 9017 9026 9028 C B E 1 32 ...

Page 16: ...470u 2816 100u 2847 2812 22p 5K6 3808 120R 3880 6K8 3821 1n5 2814 SP SP 6K8 3822 3859 47K 3839 3807 4K7 19 RFGO 23 RFN 22 RFO 17 RFRP 18 RFRPIN 8 SEL 9 TEBC 10 TEN 11 TEO TNI 5 4 TPI 1 VCC VRO 14 470R TA2157F 7804 AGCIN 21 FEN 16 FEO 15 2 FNI 3 FPI 24 GND GVSW 13 7 LDO 6 MDI 12 RFDC 20 RFGC 5K6 3868 1K 3806 100u 2823 470R 3836 3865 47K 100u 2807 4801 4802 39R 3800 3 4 5 6 7 8 9 1805 FMN 1 10 11 12...

Page 17: ... B2 3828 F5 3829 B5 3830 D3 3832 B3 3833 F5 3834 D3 3835 D5 3836 D3 3837 B5 3838 B4 3839 B4 3840 F5 3841 B4 3842 E4 3843 B4 3844 E3 3845 F5 3846 B4 3847 E3 3848 C3 3849 B4 3850 E3 3851 F5 3853 E3 3854 E3 3855 C2 3856 C3 3857 E3 3858 B4 3859 B5 3860 B4 3861 B4 3862 B4 3863 E3 3864 C2 3865 B4 3866 B4 3867 B4 3868 C3 3869 F3 3870 D3 3871 C3 3872 E3 3873 B3 3874 F3 3875 C2 3876 C2 3877 B3 3879 B2 3880...

Page 18: ...6 6405 TLHG4405 18K 3449 39K TLHG4405 6404 2443 100n 3489 BC847C 7407 3448 27K 180R 7406 BC847C 1n 2420 1412 1415 180R 3491 1411 1421 EH S 1 2 3 4 5 6 1414 1413 100K 3485 2435 100n 1 2 3 4 1 2 3 4 A B A B 1411 B3 1413 B4 1412 A4 1414 B1 1416 B1 1415 A1 1421 B3 3489 B2 1430 A4 3491 A2 6405 B4 6404 B1 9427 B2 9429 B4 9428 B2 1 2 3 4 1 2 3 4 A B A B 2420 B3 2435 B2 2443 B3 3445 B1 3446 B1 3447 B4 344...

Page 19: ... 1426 B3 1427 B1 1428 C1 1431 C1 1 2 3 1 2 3 A B C A B D C 2426 C3 3459 C2 3460 D1 3461 C1 3462 B1 3463 C2 3464 B3 1 2 3 1 2 3 A B C D A B C D 3494 4K7 To Main Board 1407 CD DOOR SW DOOR SWITCH PCB 2446 1n 3493 470K 1408 1 2 SPPB51 1406 DIPMATE 1409 Main Backlight Alarm Backlight Amber Green To Main Board Item 1410 6401 TLHG4405 6400 TLHO4400 6402 TLHG4405 PLAY SELECT BOARD CIRCUIT DIAGRAM CD DOOR...

Page 20: ... x 32 C P W 2 5 x 10 1 2 3 4 5 6 7 8 9 0 2x 6 8 2x 2 2x 3 6x 3 4x 3 2x 3 2x 3 1x 3 2x 8 4x 8 2x 0 4x YD77 4A YD77 4A T P W 3 x 12 T P W 3 x 16 401 403 404 407 406 416 414 412 411 413 408 409 402 418 417 EXPLODED VIEW DIAGRAM CABINET www freeservicemanuals info 10 11 2012 www nostatech nl World of free manuals ...

Page 21: ...220BK 17 only 407 3140 114 41590 KNOB TUNING 407 3140 114 44110 KNOB TUNING for MCR220BK 17 only 408 4822 529 10386 DAMPER RUBBER 30 DEG 409 4822 529 10387 DAMPER RUBBER 40 DEG 411 3103 309 05410 CD MCD2 SC ASSY 412 3140 114 41660 DOOR CD 412 3140 114 45000 DOOR CD for MCR220BK 17 only 413 3140 111 01200 SPRING CD DOOR 414 3140 117 62840 TOP CABINET ASS Y 414 3140 117 62600 TOP CABINET ASS Y for M...

Page 22: ...WITCH TACT 1P 2326 4822 124 81144 1000U 20 16V 1429 4822 265 11535 CONNECTOR SOCKET 8P 2327 2238 586 59812 100nF 80 20 Y5V 50V 8303 3139 110 35210 FFC FOIL 06P 080 06P AD 2328 4822 124 40433 47µF 20 25V 8402 3140 110 22150 LCD HEAT SEAL CABLE 2329 4822 124 81144 1000U 20 16V 8429 3139 110 34840 FFC FOIL 08P 100 08P AD 2330 4822 124 81151 22µF 20 50V 2331 5322 126 11578 1nF 10 X7R 50V CAPACITORS 23...

Page 23: ... 50V 3315 4822 116 52182 15R 5 0 5W 2444 4822 124 40248 10µF 20 63V 3316 4822 116 52182 15R 5 0 5W 2445 2238 586 59812 100nF 80 20 Y5V 50V 3317 4822 117 13632 100K 1 0 62W 2446 5322 126 11578 1nF 10 X7R 50V 3318 4822 051 30222 2 2K 5 0 062W 2501 4822 124 21913 1µF 20 63V 3319 4822 051 30272 2 7K 5 0 062W 2502 4822 124 21913 1µF 20 63V 3320 4822 051 30561 560R 5 0 062W 2503 5322 126 11578 1nF 10 X7...

Page 24: ...2 117 12891 220K 1 ERJ3E 3432 4822 051 30221 220R 5 0 062W 3491 4822 116 52213 180R 5 0 5W 3433 4822 051 30221 220R 5 0 062W 3492 4822 051 30223 22K 5 0 062W 3434 4822 051 30333 33K 5 0 062W 3493 4822 051 30474 470K 5 0 062W 3435 4822 117 13632 100K 1 0 62W 3494 4822 051 30472 4 7K 5 0 062W 3436 4822 116 52213 180R 5 0 5W 3503 4822 051 30471 470R 5 0 062W 3437 4822 051 30333 33K 5 0 062W 3504 4822...

Page 25: ...856B 5101 4822 157 70513 FM ANT COIL 3 5T 7401 8240 009 50640 TMP86CH21F 5102 2422 535 94985 AM ANT COIL 64UH 7402 5322 130 42755 BC847C 5104 9965 000 07706 FM OSC COIL 2 5T 7403 5322 130 42755 BC847C 5105 4822 157 71145 AM OSC COIL 270UH 7404 4822 130 60511 BC847B 5106 4822 157 70499 AM IFT WHITE 7405 4822 130 60511 BC847B 5107 4822 242 81154 KMFC5058 Z 7406 5322 130 42755 BC847C 5108 4822 156 11...

Page 26: ... 4822 126 14549 33nF 10 X7R 16V 3819 4822 051 30151 150R 5 0 062W 2820 4822 124 40769 4 7µF 20 100V 3820 4822 117 13613 2 2R 5 0603 2822 4822 126 14238 2 2nF 10 X7R 50V 3821 4822 051 30682 6 8K 5 0 062W 2823 4822 124 41584 100µF 20 10V 3822 4822 117 10833 10K 1 0 1W 2824 4822 126 14549 33nF 10 X7R 16V 3823 4822 051 30105 1M 5 0 062W 2825 4822 124 40769 4 7µF 20 100V 3824 4822 051 20228 2 2R 5 0 1W...

Page 27: ... 20008 0R JUMPER 0805 3867 4822 117 12925 47K 1 0 063W 4835 4822 051 20008 0R JUMPER 0805 3868 4822 051 30562 5 6K 5 0 063W 4836 4822 051 30008 0R JUMPER 0603 3869 4822 117 13608 4 7R 5 0 0016W 4837 4822 051 30008 0R JUMPER 0603 3870 4822 051 30333 33K 5 0 062W 3871 4822 051 30689 68R 5 0 063W DIODES 3872 4822 117 12139 22R 5 0 062W 6802 9340 402 30115 BZX284 B2V4 3874 4822 117 13608 4 7R 5 0 0016...

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