Philips-AZ1138-gb-sm 维修电路原理图.pdf

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1、Handling Chip Components and Safety .1 - 1Technical Specification & Measurement Setup.2 - 1Service Measurement.2 - 2Connections and controls.3 - 1Instructions for Use .3 - 2 . 3 - 6Disassembly Diagram.4 - 1CD Service Test program.4 - 2 . 4 - 3Block Diagram .5 - 1Wiring Diagram.5 - 2Front Boardcircui

2、t diagram.6 - 1layout diagram.6 - 2Tuner Boardcircuit diagram.7 - 1layout diagram.7 - 2Recorder Boardcircuit diagram.8 - 1layout diagram.8 - 2Combi Boardcircuit diagram (CD part) .9 - 1layout diagram (copper side).9 - 2circuit diagram (power & rectifier part) .9 - 3layout diagram (component side).9

3、- 4MP3 Boardcircuit diagram.10 - 1layout diagram.10 - 2Exploded view - tape deck .11 - 1Exploded view - cabinet .11 - 2Mechanical partslist.11 - 1Electrical partslist .12 - 1 . 12 - 11 3140 785 22800Published by YT 0137 Service Audio Printed in The Netherlands Subject to modification?MP3-CD Soundmac

4、hineCLASS 1?LASER PRODUCTAZ1138all versionsTABLE OF CONTENTSCopyright 2001 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical,

5、photocopying,or otherwise without the prior permission of Philips.RadioFans.CN 收音机爱 好者资料库HANDLING CHIP COMPONENTS WARNINGAll ICs and many other semiconductors are susceptible toelectrostatic discharges (ESD). Careless handling duringrepair can reduce life drastically.When repairing, make sure that y

6、ou are connected with thesame potential as the mass of the set via a wristband withresistance. Keep components and tools at this potential.f ATTENTIONTous les IC et beaucoup dautres semi-conducteurs sontsensibles aux dcharges statiques (ESD). Leur longvitepourrait tre considrablement courte par le f

7、ait quaucuneprcaution nst prise leur manipulation.Lors de rparations, sassurer de bien tre reli au mmepotentiel que la masse de lappareil et enfileer le braceletserti dune rsistance de scurit.Veiller ce que les composants ainsi que les outils que lonutilise soient galement ce potentiel.d WARNUNGAlle

8、 ICs und viele andere Halbleiter sind empfindlichgegenber elektrostatischen Entladungen (ESD).Unsorgfltige Behandlung im Reparaturfall kann dieLebensdauer drastisch reduzieren.Sorgen Sie dafr, da Sie im Reparaturfall ber ein Puls-armband mit Widerstand mit dem Massepotential desGertes verbunden sind

9、.Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesemPotential. WAARSCHUWINGAlle ICs en vele andere halfgeleiders zijn gevoelig voorelectrostatische ontladingen (ESD).Onzorgvuldig behandelen tijdens reparatie kan de levensduurdrastisch doen vermindern. Zorg ervoor dat u tijdens reparatievia een

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

11、 caso dinon osservazione della pi grande cauzione alla loromanipolazione. Durante le riparationi occorre quindi esserecollegato allo stesso potenziale che quello della massadelpparecchio tramite un braccialetto a resistenza.Assicurarsi che i componenti e anche gli utensili con quali silavora siano a

12、nche a questo potenziale.Safety regulations require that the set be restored to itsoriginal condition and that parts which are identical withthose specified be used.Safety components are marked by the symboliLe norme di sicurezza estigono che lapparecchio vengarimesso nelle condizioni originali e ch

13、e siano utilizzati ipezzi di ricambiago identici a quelli specificati.Componenty di sicurezza sono marcati conVeiligheidsbepalingen vereisen, dat het apparaat in zijnoorspronkeliijke toestand wordt teruggebracht en datonderdelen, identiek aan de gespecificeerde, worden toegepast.De Veiligheidsonderd

14、elen zijn aangeduid met het symbools Varning !Osynlig laserstrlning nr apparaten r ppnad ochsprren r urkopplad. Betrakta ej strlen. Advarsel !Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Varoitus !Avatussa laitteessa ja suojalukituksen ohite

15、ttaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen !fPour votre scurite, ces documents doivent tre utiliss pardes spcialistes agrs, seuls habilits rparer votreappareil en panne.ESDSAFETYdBei jeder Reparatur sind die geltenden Sicherheitsvor-schriften zu beachten. Der Originalzustand d

16、es Gertesdarf nicht verndert werden. Fr Reparaturen sind Original-ersatzteile zu verwenden.Sicherheitsbauteile sind durch das Symbol markiert.fLes normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices derechange identiques celles spcifies.Les composants de

17、scurit sont marqusCLASS 1LASER PRODUCT DANGER: Invisible laser radiation when open.After servicing and before returning the set to customerperform a leakage current measurement test from all exposed metal parts to earth ground, to assure noshock hazard exists.The leakage current must not exceed 0.5m

18、A.AVOID DIRECT EXPOSURE TO BEAM.1 - 1RadioFans.CN 收音机爱 好者资料库SPECIFICATIONSGENERALMains voltage-/00 : 230 V-/01 : 120 / 230 V-/17 : 120 VMains frequency-/00 : 50 Hz-/01 : 50 / 60 Hz-/17 : 60 HzBatterymains : 9 V (R20 x 6):Power consumption: 15 WDimension (W x H x D): 400 x 162 x 237 mmWeight: 3.4 KgA

19、MPLIFIEROutput powermains : 2 x 1 Wbattery : 2 x 1 WSpeaker impedance: 2 x 8 ohmFrequency response: 100 Hz - 10 kHz (3dB)COMPACT DISCFrequency response: 100 Hz - 10 kHzS/N ratio: 60 dBChannel difference 1 kHz : 2 dBChannel crosstalk1 kHz : 40 dBLaser wavelength: 780 20 nmLaser light power: 36 dBChan

20、nel crosstalk 1 kHz : 30 dBFast wind/rewindC60: 110 sec.Tape speed: 4.76 cm/sec 3% Wow and flutter: 8Recover modeErr 7Focus errortable 2table 3FM AM MWREPEAT ALLPROGRAM SHUFFLEMP3 CDSERVICE TEST PROGRAM4 - 34 - 3Abbreviations and Pin-description of CD IcsSERVO PROCESSOR SAA7325HSYMBOLPINDESCRIPTIONH

21、FREF1comparator common mode inputHFIN2comparator signal inputISLICE3current feedback output from data slicerVSSA14(1)analog ground 1VDDA15(1)analog supply voltage 1Iref6reference current output pinVRIN7reference voltage for servo ADCsD18unipolar current input (central diode signal input)D29unipolar

22、current input (central diode signal input)D310unipolar current input (central diode signal input)D411unipolar current input (central diode signal input)R112unipolar current input (satellite diode signal input)R213unipolar current input (satellite diode signal input)VSSA214(1)analog ground 2CROUT15cr

23、ystal/resonator outputCRIN16crystal/resonator inputVDDA217(1)analog supply voltage 2LN18DAC left channel differential output - negativeLP19DAC left channel differential output - positiveVneg20DAC negative reference inputVpos21DAC positive reference inputRN22DAC right channel differential output - ne

24、gativeRP23DAC right channel differential output - positiveSELPLL24selects whether internal clock multiplier PLL is usedTEST125test control input 1; this pin should be tied LOWCL162616.9344 MHz system clock outputDATA27serial d4(1)ata output (3-state)WCLK28word clock output (3-state)SCLK29serial bit

25、clock output (3-state)EF30C2 error flag output (3-state)TEST231test control input 2; this pin should be tied LOWKILL32kill output (programmable; open-drain)VSSD133(1)digital ground 2V2/V334versatile I/O: input versatile pin 2 or output versatile pin 3 (open-drain)WCLI35word clock iutput (for data lo

26、opback to DAC)SDI36serial data input (for data loopback to DAC)SCLI37serial bit clock input (for data loopback to DAC)RESET38power-on reset input (active LOW)SDA39microcontroller interface data I/O line (open-drain output)SCL40microcontroller interface clock line inputAbbreviations and Pin-descripti

27、on of CD IcsSERVO PROCESSOR SAA7325HSYMBOLPINDESCRIPTIONRAB41microcontroller interface R/W and load control line input (4-wire bus mode)SILD42microcontroller interface R/W and load control line input (4-wire bus mode)STATUS43servo interrupt request line/decoder status register output (open-drain)TES

28、T344test control input 3; this pin should be tied LOWRCK45subcode clock inputSUB46P-to-W subcode bits output (3-state)SFSY47subcode frame sync output (3-state)SBSY48subcode block sync output (3-state)CL11/44911.2896 MHz or 4.2336 MHz (for microcontroller) clock outputVSSD250(1)digital ground 3DOBM51

29、bi-phase mark output (externally buffered; 3-state)VDDD1(P)52(1)digital supply voltage 2 for peripheryCFLG53correction flag output (open-drain)RA54radial actuator outputFO55focus actuator outputSL56sledge control outputVDDD2(C)57(1)digital supply voltage 3 for coreVSSD358(1)digital ground 4MOTO159mo

30、tor output 1; versatile (3-state)MOTO260motor output 2; versatile (3-state)V461versatile output pin 4V562versatile output pin 5V163versatile intput pin 1LDON64laser drive on output (open-drain)Note : All supply pins must be connected to the same external power supply voltage.Abbreviations and Pin-de

31、scription of CD ICsAbbreviations and Pin-description of CD ICs5 - 15 - 1BLOCK DIAGRAM5 - 25 - 2WIRING DIAGRAM6 - 16 - 1FRONT BOARD - CIRCUIT DIAGRAM6 - 26 - 2TOP VIEWBOTOM VIEWFRONT BOARD - LAYOUT DIAGRAM7 - 17 - 1FRONTENDAMRIPPLEAGCSTABILIZERAFCVDDVSAAM-IFMONO/FMFRONTENDCONTROLXTALOSCAM DETCTRLAGCA

32、MOSCAGCVCC2FMOSCAMMIXERAMIFFMIF1FMIF2FMMIXERAMDETFMDETVSBDECODERCHARGEPUMPAGCSTEREOAGCSTEREO6181 J166182 J156183 K147101 C117102 D97103 K10T105 G2T106 G2T109 C9T110 H7T111 H6T112 H93180 L53181 G83186 I193187 K183188 K173189 K17T118 H17T120 G19T121 G19T122 G19T123 G19T124 J19T125 I19T126 I195119 J135

33、121 F165122 L75123 J75130 G85131 E93105 C83106 C33107 D43108 E33109 F43113 B12T127 H19T128 E10T140 H17T141 H13T142 H146103 B46105-1 C66105-2 J86106 C66120 C186130 F76131 E77122 L67124 L97180 K187181 L187182 L157183 K16T102 A2T103 B23161 E183166 H183167 H173169 F163170 D173176 J92146 F182147 F172148

34、F172149 K102150 A142152 G63190 K173191 L173192 L183193 M183194 M183195 M183196 M15T113 A12T114 B15T115 A11T116 H14T117 J154110 D55102 G45103 H35109 B135110 B145111 A115112 B165114 C162196 K162197 K153101 G63102 E63103 D93104 A102104 A42106 C52107 H62108 H42109 H42110 C43119 A133123 K43125 K33128 L53

35、132 K73134 K93137 L107104 E47105 E47109 K57111 D187119 B123152 K203153 K193155 H173156 D183157 D183158 G183159 F183160 F172138 H122139 I132140 J142141 I142144 H172145 G1620ABCDE2153 G72155 E82159 H92161 D162163 E162164 I142165 D104101 G34102 G34104 L74105 B124109 D52188 M172189 M182190 I162191 J1621

36、92 J162193 J162194 J152195 J14M1105 A21121 H201122 G202101 B52103 D989101112132111 C42112 C132119 K82120 K82122 L82123 L82124 L83141 F103142 F93143 J103144 J113145 I122130 I172131 I112132 H112133 I122134 M122135 M122136 K202137 K191415161718193.5V3.5V1V1.3V0.7V1.2VFGHIJKL2166 F162167 F162169 J112186

37、 K192187 K17EFGHIJKL2345670V0.5V0.1V5.4V0.1V4.8V141516171819202125 K82126 G102127 G102128 C112129 D106789101112130V0V0V0V4.5V-8V1V-8V0V0V0.7V4.0V0V4.0V0.6V0V2V0.8V0.15V0.8V0.6VMABCD2V11.4V0V0.7V3.9V-LW/06 JAPAN111.4V5.4V typ.(5V-12V)7V7.5V5.2VLW MW FMLWMW4.8V0.5V0.1Vstereo 0.3V0V0V0V123451.4V0.7V1V1

38、.4V1.3V0.8V0.6V2V0V0.7V0V4.1V3.3V3.9Vcomponent mounted450kHz450kHz450kHzHzfrom 21690V0.1V1.3V0.7V0.7V1V1.4V0.6V1V1V1.1V1.1V1.4Vstereo 0.2Vmono 4.8V4.7V4.7V3.5V4.1V3.4VLW onlyFrame Aerial onlyVOLTAGE MULTIPLIEROSCILLATORLW onlyAM-RFCVERSION/00 /02 FM/MW/LWVERSION PROGRAMMING COMPONETS61203156MW=HIGHL

39、W=HIGHLW=HIGHMW=HIGH51045105mono 4.8V1.4V0.6V 0.9V1.4V1.4V0V0V0.7V8HN1V02H4to/from7111VERSION DETECTIONPrintedPrintedPrintedSTEREOCLOCKDATADFM-OSCILLATORFM-RF4.3V3.4V0V0V0Vstereo5V0V152 kHz, 50mVppQ-multiplierLW Ferrite Antenna onlyLW onlyAM-IF1AM-IF2AM-AFCFM-IF1FM-IF2PROGR.OUTPUT PORTSto 1122pin 2R

40、DS onlyDISCRIMINATORMPX31573170/00 /02 FM/MW/01 FM/MW/14 FM-OIRT/MW/17 FM/AM1blueredblackBUFFER AMPLIFIERMWAM FRAME AERIALAM-OSCILLATORVCO532AB61051234567ENABLE/MPXVCCRIGHTGNDLEFTTUNER BOARD ECO6/PORTABLE AUDIOstereomono220n2127T1232150100n7103BC857C33p2159560p212547R313222K3134100K31028K231031n2103

41、*4104T122pBAS2166106T121T127T1206131BZX284-C1161838K23181 USA1SV228T1286103BAV9933n2p2 J15p215312p E_EU310133K2152560p E_EU61301SV2287122BC847C21223n3390p21232u221381u2133T126T124T12511p210620p_LW frame3142100K220R314156K3105100u21291u2n221692107100n220p21464678214151191232167T14175KDT-381512112p213

42、522n_USA15n470R31533159470R3158470R3160470R3167316122K315547R214447RT116470nHN1V02H6105-2536*212418p22p_LW2120p10p211922n51231234678T14282p470n216415p2139214051092GI1O351102G1I3O100K2132470n3170470n31452K2470n21302131100n100n2161pLW21631234567831437KL51021K314422KT103T111T102T105T106220p214721452148

43、2n2150K220p330p3169330R310421262104210147p22n_USA2134100p220n213715n31522136220n470R1234678214933p23467851147P7P51121T112T140T118T114T117T110T113T109100n21651105RT-01T10u212823467851111BC337-4071054M731077104BC337-402K23109100K3157100K711131566120BAS216BC847C330k_LW*4102*411041094101*23467822R310651

44、037PA1C-PAD180R31861M31927183BC847CBC847C71827181BC847CBF5507102513011p21555131218810n219610n10n218721921n1n2193P031P116PILOT4RF-GND142RF-GND2RIGHT151RIPPLE7VCC122VCC2VCO923VDDVSTABA38?VSTABOWR-EN ?25XTFM-DEMODFM-IF1?35FM-IF2FM-IF2I ?43FM-INFM-MIXOUT395FM-OSC3FM-RF8I-TUNE17IF-GNDLEFT1412LPF2411MPX-I

45、N13MUTE3010AF-OUT20AFC+19AFC-44AGC32AM-AFC41AM-IF1-IN36AM-IF240AM-MIXOUT6AM-OSCAM-RF2CLCK ?DATA2826DIG-GND21FIELDSTR-IND181n7101TEA5757H6105-1HN1V02H1272166317633K31284K73123318010K2K210K3125BC857B15K3137BC847C712471092112100pJ10n2197316647RT11546785122123112212345112112342K22K23188211133p3108211021

46、0910p22K31892108100p100p10K3190219122u470K319510K3196100K31944K731912K231937119BFS20J410531131KJ3119330RJBC857B7180BAV9961816182BAS2162189220n220u218621941n219522u1K3187219022uP01VDDP0P0VDDP0VrefP01VrefVDDVCC1VCC2VCC2MPXVCC1P1P1VDDP0VCC1MPXTUNER BOARD - CIRCUIT DIAGRAM7 - 27 - 2VARICAP ALIGNMENTFM R

47、FFM IFVCOAM IFAM RF 3)108MHz87.5MHz(65.81MHz)87.5MHz(65.81MHz)87.5MHz(65.81MHz)279kHz153kHz1602kHz531kHz5130check5122check5123check8V 0.2V4.3V 0.5V(1.2V 0.5V)8V 0.2V1.1V 0.4V8V 0.2V1.1V 0.4V1494kHz558kHz560kHz1500kHz5105LW ferrite coil198kHz1494kHz558kHz560kHz1500kHz198kHz21065104MW ferrite coil5104

48、MW ferrite coil21063142152kHz 1kHz 1)98MHz5112MAXFM 87.5 - 108MHz(65.81 - 74, 87.5 - 108MHz)LW 153 - 279kHzMWFM/MW/LW- version, 9kHz grid 531 - 1602kHz1700kHz530kHz5123check8V 0.2V1.1V 0.4V1602kHz531kHz5123check6.9V 0.2V1.1V 0.4V108MHz108MHz21555131MWFM/AM-version, 10kHz grid 530 - 1700kHz FMMWLW98M

49、Hz, 1mVcontinuous wave450kHzconnect pin 6 ofIC 7101 (AM Osc.)with 2.2k to VccUse Service Testprogram. By selecting the TUNER TEST test frequencies will be stored as preset frequencies automatically.41355AA5119FM10.7MHz, 45mVcontinuous wave2Dmod=1kHzf=22.5kHz1) If sensitivity of frequency counter is

50、too low adjust to max. channel separation (input signal: stereo left 90% + 9%, adjust output on right channel to minimum)RepeatECO6, general with ferrite antenna, 070799TUNER ADJUSTMENT TABLE ( ECO6 FM/MW- and FM/MW/LW - versions with ferrite antenna) f=10kHzVRF = 0.5mVCsee remark 2)220R100nF36IC 71