Aiwa-AMHX70-md-sm维修电路原理图.pdf

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Aiwa-AMHX70-md-sm维修电路原理图.pdf

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 systemLaser 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 )Power 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) dry 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 controls)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 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 SURE 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 udsttelse 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 laserstrlning, 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.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 expo-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 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 side 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 assembling 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 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)Remove 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-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,TA2131FLTRANSISTOR 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,2SK2035DIODE 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-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-A11-049-080 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,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 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-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 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 2200P-50 K B C401 87-A10-770-080 C-CAP,V 0.1-10 K B C402 87-A10-770-080 C-CAP,V 0.1-10 K B C403 87-A11-046-080 C-CAP,TN 100U-4 M F95 B C404 87-A10-591-080 C-CAP,TN 47-6.3 M F95-BCASE C405 87-A11-049-080 C-CAP,U 1-6.3 K B C406 87-A11-049-080 C-CAP,U 1-6.3 K B C407 87-A10-902-080 C-CAP,U 0.47-10 K B C408 87-A10-765-080 C-CAP,V 0.033-10 K B C409 87-A10-765-080 C-CAP,V 0.033-10 K B C410 87-A10-556-080 C-CAP,V 2200P-50 K B C411 87-A10-556-080 C-CAP,V 2200P-50 K B C412 87-A10-556-080 C-CAP,V 2200P-50 K B C413 87-A10-556-080 C-CAP,V 2200P-50 K B C414 87-A10-556-080 C-CAP,V 2200P-50 K B C415 87-A10-770-080 C-CAP,V 0.1-10 K B C416 87-A11-751-080 C-CAP,TN 22U-4 M P C417 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P C418 87-A11-058-080 C-CAP,U 0.22-10 K B C419 87-A11-058-080 C-CAP,U 0.22-10 K B C420 87-A11-058-080 C-CAP,U 0.22-10 K B C600 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB C601 87-A10-557-080 C-CAP,V 3300P-25 K B C602 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB C603 87-A10-770-080 C-CAP,V 0.1-10 K B C604 87-A10-770-080 C-CAP,V 0.1-10 K B C605 87-A10-554-080 C-CAP,V 1000P-50 K B C606 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P C607 87-A11-049-080 C-CAP,U 1-6.3 K B C608 87-A10-547-080 C-CAP,V 220P-25 J CH C609 87-A10-537-080 C-CAP,V 33P-50 J CH C610 87-A11-751-080 C-CAP,TN 22U-4 M P C611 87-A11-049-080 C-CAP,U 1-6.3 K B C614 87-012-286-080 C-CAP,U 0.01-25 KB C701 87-A10-770-080 C-CAP,V 0.1-10 KB C702 87-A10-543-080 C-CAP,V 100P-50 J CH C703 87-A10-543-080 C-CAP,V 100P-50 J CH C704 87-A10-543-080 C-CAP,V 100P-50 J CH C705 87-A10-543-080 C-CAP,V 100P-50 J CH C706 87-A11-049-080 C-CAP,U 1-6.3 K B C707 87-016-449-080 C-CAP,TN 10-4 F95 P C708 87-016-449-080 C-CAP,TN 10-4 F95 P C709 87-A11-058-080 C-CAP,U 0.22-10 K B C710 87-A11-058-080 C-CAP,U 0.22-10 K B C711 87-A11-049-080 C-CAP,U 1-6.3 K B C712 87-A11-049-080 C-CAP,U 1-6.3 K B C713 87-A11-751-080 C-CAP,TN 22U-4 M P C715 87-A11-318-080 C-CAP,TN 220U-2.5 SVB2 C716 87-A11-318-080 C-CAP,TN 220U-2.5 SVB2 C717 87-A11-061-080 C-CAP,S 2.2-10 K B C720 87-A11-058-080 C-CAP,U 0.22-10 KB CN100 87-A61-315-080 C-CONN,20P H XF2L-2035 CN401 87-A61-316-080 C-CONN,8P H XF2L-0835 CN700 87-A61-317-080 C-CONN,8P H XF2L-0825 D300 87-A40-556-080 C-LED,CL-270HR RED L100 87-005-910-080 C-COIL,S 22UH M LK2125 L102 87-A50-359-080 C-COIL, 22UH K NLFC252018 7 L200 87-A50-646-080 C-COIL, 22UH K NLFC201614 L400 87-A50-011-080 C-COIL,47UH LQH3C L401 87-A50-537-080 C-COIL, 100UH C4-K3L L402 87-A50-475-080 C-COIL, 10UH K NLFC201614 L403 87-A50-475-080 C-COIL, 10UH K NLFC201614 L404 87-A50-475-080 C-COIL, 10UH K NLFC201614 L405 87-A50-475-080 C-COIL, 10UH K NLFC201614 L406 87-005-910-080 C-COIL,S 22UH M LK2125 L600 87-A50-325-080 C-COIL,180UH C4-K3L L601 87-A50-012-080 C-COIL,100UH LQH3C L701 87-005-769-080 C-COIL,S 100UH K PR600 87-A91-769-080 C-PROTECTOR,0.75A ERY32SB075 PR601 87-A91-769-080 C-PROTECTOR,0.75A ERY32SB075 R204 87-A91-879-080 C-F-BEAD, BK1608TS102 R211 87-A91-880-080 C-F-BEAD, BLM10A601SG R314 87-A00-759-080 C-RES,V 27K-1/16W F R315 87-A00-756-080 C-RES,V 10K-1/16W F R320 87-A00-755-080 C-RES,V 6.8K-1/16W F R321 87-A00-757-080 C-RES,V 12K-1/16W F R322 87-A00-758-080 C-RES,V 22K-1/16W F R323 87-A00-760-080 C-RES,V 68K-1/16W F R618 87-A00-761-080 C-RES,V 510K-1/16W F R619 87-A00-762-080 C-RES,V 680K-1/16W F R701 87-A91-879-080 C-F-BEAD, BK1608TS102 R702 87-A91-879-080 C-F-BEAD, BK1608TS102DESCRIPTIONREF. NO.KANRINO.PART NO. R717 87-A91-878-080 C-F-BEAD, BK1608HS241 R718 87-A91-878-080 C-F-BEAD, BK1608HS241 R719 87-A91-878-080 C-F-BEAD, BK1608HS241 S300 87-A91-436-080 C-SW,PUSH 2-1-1 SPVE3.8 S301 87-A90-703-080 C-SW,SL 1-1-3 SSSS813-B-2B S302 87-A90-232-080 C-SW,TACT SKQRAA S303 87-A90-232-080 C-SW,TACT SKQRAA S304 87-A90-232-080 C-SW,TACT SKQRAA S305 87-A90-232-080 C-SW,TACT SKQRAA S306 87-A90-232-080 C-SW,TACT SKQRAA X200 87-A70-276-080 C-VIB,CER 22.57MHZ CSACW2257MX X301 87-A70-277-080 C-VIB,CER 6.0MHZ CSTRC0600MG05FLEX JACK C.B 8A-HM5-602-010 PWB,FLEX JACK J700 87-A60-682-010 JACK,3.5 ST 7PDESCRIPTIONREF. NO.KANRINO.PART NO.8 8AResistor CodeChip Resistor Part CodingFigureValue of resistorChip resistorWattageTypeTolerance1/16W1/10W1/8W1608212532165%5%5%CJCJCJFormLWt1.60.80.4521.250.453.21.6108118128 : A : ACHIP RESISTOR PART CODE0.55Resistor CodeDimensions (mm)Symbol1/16W10055%CJ1.00.50.35104LtW! 8 TRANSISTOR ILLUSTRATIONBCE2SA15882SA18322SC32652SC4738DTA144EEGDS2SK20092SK2035FDC633NFDC634PDGDSDDWIRING 1 (MAIN) 9 3142 139 137 133 130 126 124 121 118 116 112 1102141 138 135 132 129 127 123 120 117 114 111 10954140 136 134 131 128 125 122 119 115 113 108106 107761103 104 10581011100 102 10191312979899141615969594171918929193208889902124258586872223268283842927287880813032767779333436737475143147 144 374647505356596468 14672 1453840424548515557606366677039414344495254586162656971IC200CXD2665GA TOP VIEW3135ABCDEFGHJKLMNUPR1234567891011121314151617 TERMINAL DETAIL FIGURET1819202122232425ABCDEFGHIJKLMNOPQRSTU17161514131211109876 10 151413121110987654321ABCDEFGHIJKLMNOPQRSTU1617181920212223242526272829303132WIRING 1 (MAIN) 11 SCHEMATIC DIAGRAM (MAIN / FLEX JACK)WIRING 2 (FLEX JACK) 12 123456789101112131415ABCDEFGHIJKLMNOPQRSTU 13 IC BLOCK DIAGRAMIN-1MTTCIN+1VDDVSSVCCINBINA+B BSTOUT LPF2 NF2FBCEEXTGNDGNDAGCINOUTBDETOUTEXTFBGNDBEEPGNDBEEPOABEEPOBOUTAOUT1VERFINVREFLPF1NF1INGNDOUTGNDMTSWPWSW BSTSWVDDINVDD 14 A-1NCNot connected.A-2NCNot connected.A-33MNT1OMonitor output.B-1NCNot connected.B-2NCNot connected.B-32MNT0I/OMonitor input/output.C-15MNT3OMonitor output.C-24MNT2OMonitor output.C-3NCNot connected.D-17SCLKIMicroprocessor serial bus clock input.D-26SWDTIMicroprocessor serial bus data writing input.D-31VDC0VDD for internal logic (1.8V).E-18XLATIMicroprocessor serial bus latch input.E-210SRDTOMicroprocessor serial bus data reading output.E-311SENSOInternal state output to the microprocessor serial bus address.F-19VSC0GND for internal logic.F-213SQSYOADIP synch output when PTGR (ADRS = $3B, DATA1 - D7) = 0.DISC SUB-Q synch output when PTGR = 1.F-312XRSTIReset input. Reset with “L”.G-114MTFLGLOLch zero data detection flag output (Not used).G-216XINTOInterruption status output. “L” at interruption status.G-315TST1ITest pin. Set to “L”.H-117TST2ITest pin. Set to “L”.H-219OSCIIXtal oscillation circuit input (OSCI pin reverse output).H-318VDIOSCVDD for OSC cell (2.4V).J-120OSCOOXtal oscillation circuit output.J-2NCNot connected.J-3NCNot connected.K-121VSIOSCGND for OSC cell.K-224AOUTLOBuilt-in DAC Lch output.K-325DAVDDLVDD for built-in DAC (Lch 2.4V).L-122DAVSSLGND for built-in DAC (Lch).L-223VREFLOBuilt-in DAC VREF (Lch). (Connect to GND via a capacitor of approximately 1 F).L-326DAVDDRVDD for built-in DAC (Rch 2.4V).M-129DAVSSRGND for built-in DAC (Rch).M-227AOUTROInternal DAC Rch output.M-328VREFROBuilt-in DAC VREF (Rch) .(Connect to GND via a capacitor of approximately 1 F).N-130VSC1GND for internal logic.Pin No. Circuit Pin No. Pin Name I/O DescriptionIC, CXD2665GAIC DESCRIPTIONN-2 31 XTSL I Swith input frequency of OSCI pin.(Connected to VDD) 15 N-332TST3ITest pin. Set to “L”.P-133TST4ITest pin. Set to “L”.P-234DOUTODigital audio output (Not used).P-336VDC1VDD for internal logic (1.8V).U-1NCNot connected.T-1NCNot connected.R-1143DVSS0GND for built-in 16Mbit DRAM.U-2NCNot connected.T-2NCNot connected.R-2 35 DT72 Not connected.U-339TST5ITest pin. Set to “L”.T-338DATAIIPin for external audio data input to internal DAC.(Connect to GND when not in use).R-3147TST8Not used.U-441TST7ITest pin. Set to “L”.T-440TST6ITest pin. Set to “L”.R-4144DVDD0VDD for built-in 16Mbit DRAM

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