Aiwa-NSXVC88-pr-sm维修电路原理图.pdf

SERVICE MANUALDATACOMPACT DISC STEREOCASSETTE RECEIVERBASIC TAPE MECHANISM : 2ZM-3MK2 PR7NMBASIC CD MECHANISM : AZG-1 VZD3RNDMNSX-VC88HRS/M Code No. 09-005-428-7R1REVISION This Service Manual is the Revision Publishing and replaces Simple ManualNSX-VC88 (HR), (S/M Code No. 09-005-428-7T1). If requiring information about the CD mechanism, see Service Manual of AZG-1 VZD3RNDM, (S/M Code No. 09-001-335-3NG).NSXVC88MAINSPEAKERSYSTEMCDCASSEIVERREMOTECONTROLLERRCZAS07CXNVC88SXWNSZ85SATELLITESPEAKERSXS80RadioFans.CN 收音机爱 好者资料库 2 Tuning range87.5 MHz to 108 MHzUsable sensitivity (IHF)13.2 dBfAntenna terminals75 ohms (unbalanced)Tuning range531 kHz to 1602 kHz (9 kHz step)530 kHz to 1710kHz (10 kHz step)Usable sensitivity350 V/mAntennaLoop antennaTuning range5.730 MHz to 17.900 MHzAntennaWire antennaMid-high frequency amplifierPower outputRated: 35 W + 35 W (8 ohms, T.H.D.1 %, 1 kHz)Reference: 45 W + 45 W (8 ohms,T.H.D. 10 %, 1 kHz)Total harmonic distortion 0.1 % (30 W, 1 kHz, 8 ohms,DIN AUDIO )Low frequency amplifierPower outputRated: 105 W + 105 W (6 ohms, T.H.D.1 %, 120 Hz)Reference: 135 W + 135 W (6 ohms,T.H.D. 10 %, 120 Hz)Total harmonic distortion0.1 % (100 W, 120 Hz, 6 ohms,DIN AUDIO)Satellite amplifierPower outputRated: 4 W + 4 W (8 ohms, T.H.D.1 %, 1 kHz)Reference: 5 W + 5 W (8 ohms,T.H.D. 10 %, 1 kHz)Total harmonic distortion0.1 % (3 W, 1 kHz, 8 ohms,DIN AUDIO )InputsVIDEO/AUX: 316 mV (adjustable)MD: 316 mV (adjustable)MIC 1, MIC 2:1.0 mV (10 kohms)OutputsSPEAKERS HIGH FREQ:accept speakers of 8 ohms or moreSPEAKERS LOW FREQ:accept speakers of 6 ohms or moreSATELLITE SPEAKERS:accept speakers of 8 ohms or moreSURROUND SPEAKERS:accept speakers of 8 ohms to 16 ohmsVIDEO OUT: 1.0 Vp-p (75 ohms)LINE OUT: 210 mVPHONES (stereo jack): acceptsheadphones of 32 ohms or moreTrack format4 tracks, 2 channels stereoFrequency responseCrO2 tape: 50 Hz 16000 HzNormal tape: 50 Hz 15000 HzRecording systemAC biasHeadsDeck 1: Playback head x 1Deck 2: Recording/Playback head x 1,erase head x 1SPECIFICATIONSLaserSemiconductor laser ( =780 nm)D-A converter1 bit dualSignal-to-noise ratio85 dB (1 kHz, 0 dB)Harmonic distortion0.05 % (1 kHz, 0 dB)Wow and flutterUnmeasurableVideo signalNTSC/PAL color format (selectable)Video dataMPEG 1Audio dataMPEG 1, LAYER 2Power requirements120 V/220230 V/240 V AC(switchable), 50/60 HzPower consumption255 WPower consumption inIf the power-economizing mode isstandby modeECO OFF: 33 WIf the power-economizing mode isECO ON or ECO AUTO: 0.9 WDimensions of main unit260 x 329 x 389.6 mm(W x H x D)Weight of main unit12.0 kgSpeaker system3 way, built-in subwoofer (magneticshielded type)Speaker unitsSubwoofer:200 mm cone typeFull range:120 mm cone typeSuper tweeter:20 mm ceramic typeImpedance6 ohms/8 ohmsSensitivity87 dB/W/mDimensions (W x H x D)240 x 324 x 285 mmWeight5.7 KgSpeaker systemFull range (magnetic shielded type)Speakers units80 mm cone typeImpedance8 ohmsOutput sound pressure level 87 dB/W/mDimensions (W x H x D)100 x 327 x 105 mm (with pedestal)100 x 190 x 81 mm (without pedestal)Weight0.6 kg Design and specifications are subject to change without notice. The word BBEand the BBE symbol are trademarks of BBE Sound, Inc. Under license from BBE Sound,Inc.RadioFans.CN 收音机爱 好者资料库 3 CLASS 1LASER PRODUCTKLASSE 1LASER PRODUKTLUOKAN 1LASER LAITEKLASS 1LASER APPARATThis 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 SERVICINGCAUTIONUse of controls or adjustments or performance of proce-dures other than those specified herin may result inhazardous radiation exposure.ATTENTIONLutillisation de commandes, rglages ou procduresautres que ceux spcifis peut entraner une dangereuseexposition aux radiations.ADVARSELUsynlig laserstling ved bning, nr sikkerhedsafbrydereerude af funktion. Undg udsttelse for strling.This Compact Disc player is classified as a CLASS 1LASER product.The CLASS 1 LASER PRODUCT label is located on therear exterior.Precaution to replace Optical block(KSS-213F)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.BSolderRadioFans.CN 收音机爱 好者资料库 4 NOTE ON BEFORE STARTING REPAIRCharging voltage (V)Discharging Rated power (W)Parts number(C101, 102)resistor ()25-48100387-A00-247-09049-140220587-A00-232-090Note: The reference numbers (C101, C102) of the electrolytic capacitors can change depending on the models. Be sure to check thereference numbers of the charging capacitors on schematic diagram before starting the discharging work.2. Check items before exchanging the MICROCOMPUTERBe sure to check the following items before exchanging the MICROCOMPUTER. Exchange the MICROCOMPUTER after confirmingthat the MICROCOMPUTER is surely defective.2-1. Regarding the HOLD terminal of the MICROCOMPUTERWhen the HOLD terminal (INPUT) of the MICROCOMPUTER is “H”, the MICROCOMPUTER is judged to be operating correctly.When this terminal is “L”, the main power cannot be turned on. Therefore, be sure to check the terminal voltage of the HOLDterminal before exchange.When the MICROCOMPUTER is not defective, the HOLD terminal can also go “L” when the POWER AMPLIFIER has anyabnormalities that triggers the abnormality detection circuit on the MAIN C. B. that sets the HOLD terminal to “L”.Good or no good judgement of the MICROCOMPUTER11111Turn on the AC main power.22222Confirm that the main power is turned on and the HOLD terminal of the MICROCOMPUTER keeps the “H” level or not.33333When the HOLD terminal is “L” level, the abnormality detection circuit is judged to be working correctly and theMICROCOMPUTER is judged to be good.1. Forced discharge of electrolytic capacitor of power supply blockWhen repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged acrossthe electrolytic capacitors (C101, 102) even though AC power cord is removed. If repair is attempted in this condition, secondary defectcan occur.In order to prevent the secondary trouble, perform the following measures before starting repair work.Discharge procedure11111Remove the AC power cord.22222Connect a discharging resistor at an end of lead wire thathas clips at both ends. Connect the other end of the leadwire to metal chassis.33333Contact the other end of the discharging resistor to thepositive (+) side (+VH) of C101. (For two seconds)44444Contact the same end of the discharging resistor as step33333 to the negative (-) side (-VH) of C102 in the same way.(For two seconds)55555Check that voltage across C101 and C102 has decreasedto 1 V or less using a multimeter or an oscilloscope.Select a discharging resistor referring to the following table.Fig-1MAIN C.BD101C101C1022234RadioFans.CN 收音机爱 好者资料库 5 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not.2-2. Regarding resetThere are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC powercord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.When the above described phenomenon occurs, it can lead to wrong judgement as if the MICROCOMPUTER is defective and toexchange the MICROCOMPUTER. In such a case, perform the forced-reset by the following procedure and check good or nogood of the MICROCOMPUTER.11111Remove the AC power cord.22222Short both ends of the electrolytic capacitor C113 that is connected to VDD of the MICROCOMPUTER with tweezers.33333Connect the AC power cord again. If the MICROCOMPUTER returns to the normal operation, the MICROCOMPUTER isgood.Note: The reference number or MICROCOMPUTER pin number of transistor (Q110) and electrolytic capacitor (C113) can change dependingon the models. Be sure to check the reference numbers on schematic diagram before starting the discharging work.2-3. Confirmation of soldering state of MICROCOMPUTERCheck the soldering state of the MICROCOMPUTER in addition to the above described procedures. Be sure to exchange theMICROCOMPUTER after surely confirming that the trouble is not caused by poor soldering but the MICROCOMPUTER itself.Fig-2-2MICRO-COMPUTERMICROCOMPUTERFRONT C.BFRONT C.BVSSVDDC113*%C1131815Short with tweezers.RadioFans.CN 收音机爱 好者资料库 6 ELECTRICAL MAIN PARTS LISTDESCRIPTIONREF. NO.KANRINO.PART NO.DESCRIPTIONREF. NO.KANRINO.PART NO.IC 8A-NH7-601-010 C-IC,LC876572V-5R25 87-A21-418-010 IC,STK490-340 87-A21-018-040 C-IC,M65849BFP631D 87-A21-397-010 IC,STK490-070 87-A20-914-010 IC,SPS-442-1-F 87-A20-783-040 C-IC,BA7762AFS 87-A21-577-040 C-IC,M61506FP 87-A21-021-040 C-IC,BU2099FV 87-070-289-040 IC,BU 2092F 87-A21-452-030 C-IC,BD3876KS2 87-A21-051-040 C-IC,BU9990-03FS 87-A21-560-010 IC,LA1844L-A 87-070-127-110 IC,LC72131 D 87-020-454-010 IC,DN 6851 87-A20-561-040 C-IC,M65847AFPTRANSISTOR 87-026-245-080 TR,DTC114ES 87-A30-075-080 C-TR,2SA1235F 87-A30-318-080 TR,CSA952K 89-213-702-010 TR,2SB1370 (1.8W) 87-A30-076-080 C-TR,2SC3052F 87-026-610-080 TR,KTC3198GR 87-026-609-080 TR,KTA1266GR 87-A30-087-080 C-FET,2SK2158 87-A30-107-070 C-TR,CMBT5401 87-A30-468-080 C-TR,KRC102S-RTK 87-A30-074-080 C-TR,RT1P141C 87-A30-269-040 C-FET,2SJ461-T1 87-A30-106-040 C-TR,CMBT5551 87-A30-086-040 C-TR,CSD1306E 87-A30-190-080 TR,CC5551 89-420-613-010 TR,2SD2061F 89-213-703-010 TR,2SB1370F 87-A30-063-080 C-TR,KRA104S 87-A30-086-070 C-TR,CSD1306E 87-A30-329-080 TR,CD1585BC 89-327-143-080 TR,2SC2714 (0.1W) 87-A30-489-080 C-TR,KRA107S 87-A30-234-080 TR,CSC4115BC 87-026-463-080 TR,2SA933S 87-A30-484-080 C-TR,KRA102S 89-503-602-080 C-FET,2SK360EDIODE 87-A40-673-090 DIODE,D10XB20 87-A40-547-090 DIODE,D5SBA20 87-020-465-080 DIODE,1SS133 87-A40-553-080 DIODE,1N4003 LES 87-A40-784-080 ZENER,UZ39BSB 87-A40-764-080 ZENER,UZ10BSC 87-A40-313-080 C-DIODE,MC 2840 87-A40-270-080 C-DIODE,MC2838 87-A40-269-080 C-DIODE,MC2836 87-A40-768-080 ZENER,UZ16BSA 87-A40-752-080 ZENER,UZ6.2BSC 87-A40-748-080 ZENER,UZ5.6BSA 87-A40-802-080 ZENER,UZ5.1BSC 87-A40-747-080 ZENER,UZ5.1BSB 87-A40-745-080 ZENER,UZ4.7BSA 87-A40-749-080 ZENER,UZ5.6BSB 87-017-149-080 ZENER,HZS6A2LMAIN C.B C3 87-012-368-080 C-CAP,S 0.1-50 F C4 87-012-368-080 C-CAP,S 0.1-50 F C21 87-016-658-000 CAP,E 4700-35 M SMG C22 87-016-658-000 CAP,E 4700-35 M SMG C25 87-010-406-080 CAP, ELECT 22-50V C26 87-010-406-080 CAP, ELECT 22-50V C27 87-010-406-080 CAP, ELECT 22-50V C28 87-010-406-080 CAP, ELECT 22-50V C31 87-010-263-080 CAP, ELECT 100-10V C32 87-010-197-080 CAP, CHIP 0.01 DM C34 87-010-247-080 CAP, ELECT 100-50V C35 87-010-260-080 CAP, ELECT 22-50V C36 87-010-381-080 CAP, ELECT 330-16V C38 87-010-247-080 CAP, ELECT 100-50V C39 87-010-247-080 CAP, ELECT 100-50V C40 87-010-197-080 CAP, CHIP 0.01 DM C60 87-010-403-080 CAP, ELECT 3.3-50V C80 87-010-401-080 CAP, ELECT 1-50V C81 87-010-379-080 CAP, ELECT 22-16V C82 87-010-260-080 CAP, ELECT 47-25V C104 87-010-196-080 CHIP CAPACITOR,0.1-25 C105 87-010-196-080 CHIP CAPACITOR,0.1-25 C111 87-010-545-080 CAP, ELECT 0.22-50V C112 87-010-545-080 CAP, ELECT 0.22-50V C113 87-010-545-080 CAP, ELECT 0.22-50V C114 87-010-545-080 CAP, ELECT 0.22-50V C115 87-010-546-080 CAP, ELECT 0.33-50V C116 87-010-546-080 CAP, ELECT 0.33-50V C121 87-010-546-080 CAP, ELECT 0.33-50V C122 87-010-546-080 CAP, ELECT 0.33-50V C171 87-012-368-080 C-CAP,S 0.1-50 F C172 87-012-368-080 C-CAP,S 0.1-50 F C173 87-012-368-080 C-CAP,S 0.1-50 F C174 87-012-368-080 C-CAP,S 0.1-50 F C301 87-010-318-080 C-CAP,S 47P-50 J CH C302 87-010-318-080 C-CAP,S 47P-50 J CH C303 87-012-157-080 C-CAP,S 330P-50 CH C304 87-012-157-080 C-CAP,S 330P-50 CH C305 87-012-157-080 C-CAP,S 330P-50 CH C306 87-012-157-080 C-CAP,S 330P-50 CH C307 87-010-196-080 CHIP CAPACITOR,0.1-25 C309 87-010-196-080 CHIP CAPACITOR,0.1-25 C310 87-010-196-080 CHIP CAPACITOR,0.1-25 C311 87-010-198-080 CAP, CHIP 0.022 C312 87-010-198-080 CAP, CHIP 0.022 C313 87-010-179-080 CAP,CHIP S B1200P C314 87-010-179-080 CAP,CHIP S B1200P C315 87-010-179-080 CAP,CHIP S B1200P C316 87-010-179-080 CAP,CHIP S B1200P C321 87-012-142-080 CAP, S 0.33-16 C322 87-012-142-080 CAP, S 0.33-16 C324 87-010-260-080 CAP, ELECT 47-25V C325 87-010-370-080 CAP,E 330-6.3 SME C327 87-010-404-080 CAP, ELECT 4.7-50V C328 87-010-404-080 CAP, ELECT 4.7-50V C332 87-010-196-080 CHIP CAPACITOR,0.1-25 C335 87-010-401-080 CAP, ELECT 1-50V C336 87-010-401-080 CAP, ELECT 1-50V C337 87-010-196-080 CHIP CAPACITOR,0.1-25 C339 87-010-196-080 CHIP CAPACITOR,0.1-25 C340 87-010-196-080 CHIP CAPACITOR,0.1-25 C351 87-012-140-080 CAP 470P C352 87-012-140-080 CAP 470P C354 87-010-175-080 CAP 560P C355 87-010-178-080 CHIP CAP 1000P C356 87-010-260-080 CAP, ELECT 47-25V C357 87-010-197-080 CAP, CHIP 0.01 DM C358 87-010-183-080 C-CAP,S 2700P-50 B C359 87-010-183-080 C-CAP,S 2700P-50 B C360 87-010-183-080 C-CAP,S 2700P-50 B C370 87-010-196-080 CHIP CAPACITOR,0.1-25RadioFans.CN 收音机爱 好者资料库 7 C373 87-A11-177-080 C-CAP,S 0.15-16 KB C374 87-A11-177-080 C-CAP,S 0.15-16 KB C378 87-010-196-080 CHIP CAPACITOR,0.1-25 C379 87-010-382-080 CAP, ELECT 22-25V C380 87-010-382-080 CAP, ELECT 22-25V C381 87-010-197-080 CAP, CHIP 0.01 DM C382 87-010-312-080 C-CAP,S 15P-50 CH C383 87-010-197-080 CAP, CHIP 0.01 DM C384 87-010-402-080 CAP, ELECT 2.2-50V C386 87-010-196-080 CHIP CAPACITOR,0.1-25 C387 87-012-145-080 CAP, CHIP S 270P CH C388 87-012-156-080 C-CAP,S 220P-50 CH C391 87-010-319-080 C-CAP,S 56P-50 CH C392 87-010-319-080 C-CAP,S 56P-50 CH C393 87-010-319-080 C-CAP,S 56P-50 CH C394 87-010-319-080 C-CAP,S 56P-50 CH C501 87-010-263-080 CAP, ELECT 100-10V C502 87-010-196-080 CHIP CAPACITOR,0.1-25 C503 87-012-393-080 C-CAP,S 0.22-16 R K C504 87-012-393-080 C-CAP,S 0.22-16 R K C505 87-012-141-080 CHIP-CAPACITOR,0.22-16F C506 87-010-184-080 CHIP CAPACITOR 3300P(K) C507 87-010-177-080 C-CAP,S 820P-50 SL C508 87-016-669-080 C-CAP,S 0.1-25 K B C509 87-016-669-080 C-CAP,S 0.1-25 K B C510 87-010-184-080 CHIP CAPACITOR 3300P(K) C511 87-010-177-080 C-CAP,S 820P-50 SL C512 87-012-141-080 CHIP-CAPACITOR,0.22-16F C513 87-010-544-080 CAP, ELECT 0.1-50V C514 87-010-374-080 CAP, ELECT 47-10V C515 87-010-401-080 CAP, ELECT 1-50V C516 87-010-401-