Aiwa-AMHX70-md-sm维修电路原理图.pdf
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1、SERVICE MANUALDATAMINIDISC PLAYERAM-HX70AHKS/M Code No. 09-009-435-8R1REVISION This Service Manual is the Revision Publishing and replaces Simple ManualAM-HX70 (S/M Code No. 09-006-435-8T1).BASIC MD MECHANISM : AZG-F ARadioFans.CN 收音机爱 好者资料库 2 Main unitPlayback systemMiniDisc digital audio systemLas
2、er pickupSemiconductor laserSampling Frequency44.1 kHzNumber of channelsStereo: 2 channelsMonaural: 1 channelD/A converter1-bitFrequency response40 to 20,000 Hz 4 dB20 to 20,000 Hz 1 dB (10 k)Wow and FlutterBelow measurable limit(0.00 1% W.PEAK)OutputPhone jackMaximum output level 8 mW + 8 mW (16 )P
3、ower requirementsDC 1.2 V using the supplied NI-MHrechargeable battery MHB-901DC 1.5 V using an LR6 (size AA) drycell batteryAC house current using an optional AC adaptorBattery lifeUsing the supplied rechargeable batteryApprox. 19 hours (with power save on:approx. 25 hours)Using an LR6 (size AA) dr
4、y cell batteryApprox. 29 hours (with power save on:approx. 38 hours)Using the supplied rechargeable battery and anLR6 (size AA) dry cell batteryApprox. 51 hours (with power save on:approx. 67 hours)Maximum outsideApprox. 71.6 (W) X 13.5 (H) X 77.7 (D) mmdimensions(excluding projected parts and contr
5、ols)WeightApprox. 60 g excluding batteries.Rated voltageAC 240 V, 50 HzSPECIFICATIONS Design and specifications are subject to change without notice. Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. DOLBY and the double-D symbol are trademarks of Dolby
6、Laboratories Licensing Corporation.RadioFans.CN 收音机爱 好者资料库 3 This set employs laser. Therefore, be sure to follow carefullythe instructions below when servicing.WARNING!WHEN SERVICING, DO NOT APPROACH THE LASEREXIT WITH THE EYE TOO CLOSELY. IN CASE IT ISNECESSARY TO CONFIRM LASER BEAM EMISSION.BE SU
7、RE TO OBSERVE FROM A DISTANCE OF MORETHAN 30cm FROM THE SURFACE OF THE OBJEC-TIVE LENS ON THE OPTICAL PICK-UP BLOCK.sCaution: Invisible laser radiation whenopen and interlocks defeated avoidexposure to beam.sAdvarsel: Usynlig laserstling ved bning,nr sikkerhedsafbrydere er ude af funktion.Undg udstt
8、else for strling.VAROITUS!Laiteen Kyttminen muulla kuin tss kyttohjeessamainitulla tavalla saataa altistaa kyt-tjnturvallisuusluokan 1 ylittvlle nkymttmllelasersteilylle.VARNING!Om apparaten anvnds p annat stt n vad somspecificeras i denna bruksanvising, kan anvndarenutsttas fr osynling laserstrlnin
9、g, som verskridergrnsen fr laserklass 1.PROTECTION OF EYES FROM LASER BEAM DURING SERVICINGPrecaution to replace Optical block(KMS-330A)Body or clothes electrostatic potential couldruin laser diode in the optical block. Be sureground body and workbench, and use care theclothes do not touch the diode
10、.1) After the connection, remove solder shown inright figure.PICK-UP Assy P.C.BSolderCLASS 1LASER PRODUCTKLASSE 1LASER PRODUKTLUOKAN 1LASER LAITEKLASS 1LASER APPARATCAUTIONUse of controls or adjustments or performance of procedures otherthan those specified herin may result in hazardous radiation ex
11、po-sure.ATTENTIONLutillisation de commandes, rglages ou procdures autres queceux spcifis peut entraner une dangereuse exposition auxradiations.ADVARSELUsynlig laserstling ved bning, nr sikkerhedsafbrydereer ude affunktion. Undg udsttelse for strling.This Compact Disc player is classified as a CLASS
12、1 LASERproduct.The CLASS 1 LASER PRODUCT label is located on the rearexterior.RadioFans.CN 收音机爱 好者资料库 4 DISASSEMBLY INSTRUCTIONSDisassembling and Notes on Reassembling1. Removing the bottom panelRemove the seven screws A. Open the battery lid and remove the bottom panel.Assemble the parts from the s
13、ide of the headphone jack while being careful of the HOLD switch and battery lid.2. Removing the main board1)Short the short land of the pickup by soldering.2)Remove the three connectors.3)Remove three screws A and screw B.4)While being careful of the FFC of the pickup, remove the mainboard.When ass
14、embling the parts, fasten the screws from screw Band finally remove the short land of the pickup.Pickup short land 5 3. Removing the Top PanelRemove the four screws A.When assembling the parts, the claws of the holder should be hooked on the arm (two claws).4. Removing the center frameBe careful not
15、 to contact the pickup during the following procedure.1)Remove the bottom panel and top panel.2)Remove the battery hinge block.3)While bending the boss block of HLDR and CTRG, remove HLDR and CTRG in order of 1 and 2.When assembling the parts, insert the boss of HLDR and CTRG in order of 2 and 1.4)R
16、emove boss A from the center frame, and remove the center frame while lifting up the mechanism in the direction of thearrow.3) HLDR, CTRG4) Center frame 6 ELECTRICAL MAIN PARTS LISTDESCRIPTIONREF. NO.KANRINO.PART NO.DESCRIPTIONREF. NO.KANRINO.PART NO.IC 87-A20-707-010 C-IC,CXA2523AR 87-A21-608-010 C
17、-IC,CXD2665GA 8A-HM5-601-010 C-IC,MSM66573L-047TB-9 87-A21-724-040 C-IC,S-93C56AMFN 87-A21-038-040 C-IC,NJU7014R-TE2 87-A21-575-010 C-IC,BD6606KVT 87-A21-316-080 C-IC,S-8328B24MC 87-A20-861-040 C-IC,S-80808ANNP 87-A20-982-040 C-IC,S-80822ANNP 87-A21-627-040 C-IC,XC6367B102MR 87-A21-341-040 C-IC,TA21
18、31FLTRANSISTOR 89-115-884-080 CHIP -TRANSISTER 2SA1588Y 87-A30-148-080 C-TR,2SC4738GR 87-026-644-080 C-TR,DTA144EE 87-A30-261-080 C-FET,FDC633N 87-A30-262-080 C-FET,FDC634P 89-332-654-080 CHIP TRANSISTOR, 2SC3265Y 87-A30-147-080 C-TR,2SA1832GR 87-A30-499-040 C-FET,2SK2009 87-A30-033-080 C-FET,2SK203
19、5DIODE 87-A40-124-080 C-DIODE,RB501V-40 87-A40-687-080 C-DIODE,M1FH3 87-017-850-080 C-DIODE,DAP222MAIN C.B C100 87-A11-751-080 C-CAP,TN 22U-4 M P C102 87-A11-751-080 C-CAP,TN 22U-4 M P C103 87-A11-751-080 C-CAP,TN 22U-4 M P C104 87-A11-046-080 C-CAP,TN 100U-4 M F95 B C106 87-A11-751-080 C-CAP,TN 22U
20、-4 M P C107 87-A10-766-080 C-CAP,V 0.047-10 K B C108 87-A10-561-080 C-CAP,V 0.01U-16 K B C109 87-A10-671-080 C-CAP,V 0.022-16 K B C110 87-A11-058-080 C-CAP,U 0.22-10 K B C111 87-A10-558-080 C-CAP,V 4700P-25 K B C112 87-A11-049-080 C-CAP,U 1-6.3 K B C113 87-A10-558-080 C-CAP,V 4700P-25 K B C114 87-A1
21、1-049-080 C-CAP,U 1-6.3 K B C115 87-016-448-080 C-CAP,TN 2.2-10 F95P C116 87-A10-543-080 C-CAP,V 100P-50 J CH C117 87-A10-561-080 C-CAP,V 0.01U-16 K B C118 87-A10-561-080 C-CAP,V 0.01U-16 K B C119 87-A10-671-080 C-CAP,V 0.022-16 K B C120 87-A10-559-080 C-CAP,V 6800P-25 K B C121 87-A10-766-080 C-CAP,
22、V 0.047-10 K B C122 87-A10-561-080 C-CAP,V 0.01U-16 K B C123 87-A10-561-080 C-CAP,V 0.01U-16 K B C124 87-A10-554-080 C-CAP,V 1000P-50 K B C125 87-A10-554-080 C-CAP,V 1000P-50 K B C126 87-A10-554-080 C-CAP,V 1000P-50 K B C127 87-A10-554-080 C-CAP,V 1000P-50 K B C128 87-A10-554-080 C-CAP,V 1000P-50 K
23、B C129 87-A10-554-080 C-CAP,V 1000P-50 K B C200 87-A11-751-080 C-CAP,TN 22U-4 M P C201 87-A10-770-080 C-CAP,V 0.1-10 K B C202 87-A10-770-080 C-CAP,V 0.1-10 K B C204 87-A10-902-080 C-CAP,U 0.47-10 K B C205 87-A10-770-080 C-CAP,V 0.1-10 K B C206 87-A10-550-080 C-CAP,V 470P-50 K B C207 87-A10-902-080 C
24、-CAP,U 0.47-10 K B C208 87-A10-561-080 C-CAP,V 0.01U-16 K B C209 87-A10-533-080 C-CAP,V 15P-50 J CH C210 87-A10-533-080 C-CAP,V 15P-50 J CH C216 87-A10-765-080 C-CAP,V 0.033-10 K B C217 87-A11-751-080 C-CAP,TN 22U-4 M P C219 87-A11-049-080 C-CAP,U 1-6.3 K B C220 87-A11-049-080 C-CAP,U 1-6.3 K B C301
25、 87-A11-049-080 C-CAP,U 1-6.3 K B C302 87-A10-561-080 C-CAP,V 0.01U-16 K B C303 87-A10-561-080 C-CAP,V 0.01U-16 K B C304 87-A10-561-080 C-CAP,V 0.01U-16 K B C305 87-A10-770-080 C-CAP,V 0.1-10 K B C306 87-A10-770-080 C-CAP,V 0.1-10 K B C308 87-010-787-080 CAP, U 0.022-25 C400 87-A10-556-080 C-CAP,V 2
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