Philips-AZ1145-gb-sm 维修电路原理图.pdf
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1、CLASS 1LASER PRODUCTGB3140 785 22260Published by SS 0024 Service Audioor otherwise without the prior permission of Philips.system or transmitted, in any form or by any means, electronic, mechanical, photocopying,All rights reserved. No part of this publication may be reproduced, stored in a retrieva
2、lCopyright 1995 Philips Consumer Electroncis B.V. Eindhoven, The Netherlandsbe used.condition and that parts which are identical with those specifiedSafety regulations require that the set be restored to its original CPCS 104 409Printed in The NetherlandsCopyright reservedSubject to modificationCD S
3、tereo Radio RecorderTABLE OF CONTENTSchapterHandling chip components and safety1 - 1AZ1140AZ1141AZ1142AZ1143AZ1145.Technical Specification & Service Tools2 - 1.Service Measurement2 - 2.Connections & Controls3 - 1.Disassembly Diagram4 - 1.Instructions for use3 - 2 to 3 - 6.CD Service Test Program4 -
4、2 to 4 - 3.Block Diagram5 - 1.Wiring Diagram6 - 1.circuit diagram7 - 1, 7 - 3.CONTROL BOARDlayout diagram7 - 2.SWITCH & VOLUME BOARDlayout diagram8 - 1.chaptercircuit diagram9 - 1.TUNER BOARDlayout diagram9 - 2.circuit diagram10 - 1.MAIN BOARDlayout diagram10 - 2.circuit diagram11 - 1.RECORDER & BEA
5、T CUT BOARDlayout diagram11 - 2.circuit diagram12 - 2.CD MODULElayout diagram12 - 1.cabinet13 - 1.EXPLODED VIEWS DIAGRAMtape deck13 - 2.Mechanical partslist13 - 2.Electrical partslist14 - 1 to 14 - 4.all versionsRadioFans.CN 收音机爱 好者资料库PCS 104 4102-1SERVICE TOOLSAudio signal disc SBC 429.4822 397 301
6、84Playability test disc SBC 444.4822 397 30245Test disc 5(disc without errors ) +Test disc 5A (disc with dropout errors, black spots and fingerprints)SBC 426/426A.4822 397 30096Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).4822 397 30155Universal test cassette Fe SBC 420.48
7、22 397 30071TECHNICAL SPECIFICATIONSGENERALMains voltage-/00 : 230 V-/01/11/16 : 120/230 V-/05/10 : 240 V-/17 : 120 VMains frequency-/00/05/10 : 50 Hz-/01/11/16 : 50 / 60 Hz-/17 : 60 HzBatterymains : 9 V (R14 x 6)Remote : 3V (R03 x 2)Power consumptionnormal : 10 Wstandby : 2 WDimension (W x H x D):
8、290 x 152 x 253 mmWeight: 2.6 KgAMPLIFIEROutput powermains : 2 x 1.6 Wbattery : 2 x 2 WSpeaker impedance: 2 x 4 ohmFrequency response: 100 Hz - 8 kHz (3dB)TUNER - FM SECTIONTuning range: 87.5 - 108 MHzIF frequency: 10.7 MHz 0.2 MHzSensitivity: 16 dBf at 26dB S/NSelectivity: 55 dB at 300kHzIF rejecti
9、on: 85 dBImage rejection: 40 dBTUNER - AM SECTIONTuning rangeMW : 531 - 1602 kHz-/17 : 520 - 1730 kHzLW : 153 - 279 kHzIF frequency: 450 kHz 1 kHzSensitivity MW : 64 dBu at 26dB S/NLW : 70 dBu at 26dB S/NSelectivity MW : 22 dBLW : 29 dBIF rejection ratioMW : 70 dBLW : 70 dBImage rejection ratioMW :
10、32 dBLW : 35 dBAUDIO CASSETTE RECORDERTape speed accuracy: 3%Wow & flutter: 0.35 % JIS WTDFast wind/rewind C60: 50 dBChannel difference 1 kHz : 26 dBLaser wavelength: 780 20nmLaser light power: 0.3 mWRadioFans.CN 收音机爱 好者资料库PCS 104 43614-4ELECTRICAL PARTSLIST - CD99 DA11- RESISTORS -4888482205120008J
11、umper4889482205120008Jumper- COILS & FILTERS -1810482224273557Filter CST8,46MTW-TF015803482215711231Coil LAN02TB1R0J- DIODES -6877482213011564Diode UDZ3.9B- IC & TRANSISTORS -7800482220917324IC SAA7325H7802532220911517IC PC74HCU04T7803532213060123Trans BC807-407804532220982941IC LM358D78075322130427
12、55Trans BC847C7808482220932852IC TDA7073A/N27809482220932852IC TDA7073A/N27810482220933165IC TDA1308T/N17875482213060511Trans BC847B- MISCELLANEOUS -1800482226510925Connector 15P1823482226511207Connector 6P1824482226511207Connector 6P8000482232012178Flexible Foil 15PNote :Only these parts mentioned
13、in the list arenormal service parts.during Focus search800mVppLOW = CD_RW (high gain)EYE-PATTERNT = 1 sTB = 0.5m s/div3V0VV.Vdc measured during PLAY with normal CD or CD-RVdc measured during PLAY with CD-RWEVMV1,5V0V0,9V 0,9V0,9V 0,9V10V6,2V5V0,2V0,2V3,3V2,5V3,9V1,8V6,1V6,2V6,1V6,2V6,5V5,9V6,0VV.Vdc
14、 measured during PLAYwith normal CD or CD-RVdc measured during PLAY with CD-RWEVMV3,3V3,9V4,8V2,5V5V2,5V2,5V2,5V5V2,5V2,5VCD99 DA11 - CIRCUIT DIAGRAMPCS 99 48412-212-212-2+-+-VDD+-+-VDD+tINTERFACEVERSATILEDEMODEFMPLLDIG.STAGESOUTPUTCONTROLMOTORKILLINTERF.LOOPBACKSER. DATAINTERF.VERSAT.INTERFACESER.
15、DATABITSTREAM DACTIMINGINTERFACEMICROCONTROLLERPROCESSORAUDIOPROCESSINGPRE-FUNCTIONCONTROLSRAMADDRINTERF.EBUDET.PEAKCORR.ERRORPROCESSORSUBCODEENDFRONTVREF GEN.ADCM2LHFof HCUHFD_LC3835L+HFFOCUSTRACKBDBVAMDDA11VAMDISCcomm. cathdigital out = off37513834Dondigital outDstuffed resistorLLMDISCtable for dr
16、ive- and digital out recognition3897 C53898 C53899 D57800 D127802-A E67802-B E57802-C E57802-D E87802-E E77802-F F87803 B27804-A A17804-B C37807 E67808 E47809 G48401 H3DR1 (CD10)+for digital out: 33ET+off3750D3852 F53853 F53854 F53855 F43856 G63857 G53858 G53859 H53860 H53861 H53862 H53863 H43864 C1
17、3865 F73890 B43891 C43892 C43893 D43894 A53895 B53896 B5D1810DHFDtoDto+DAD3829 A113830 B123831 B143832 B143834 B143835 C143837 C143838 D143839 D143840 D153841 E143842 G143843 G143844 G133845 G123846 F103847 F63848 F53849 E53850 F53851 F6sheet 2R2 (CD10)LDsheet 2DAEH-SDA-(uP-interface)3809 A23810 A33
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