Aiwa-NSXSZ70-cs-sm 电路图 维修手册.pdf

SERVICE MANUAL DATA COMPACT DISC STEREO CASSETTE RECEIVER NSX-AJ70 NSX-SZ70 NSX-SZ70E U HR,HS HA S/M Code No. 09-005-425-3R2 REVISION BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM BASIC CD MECHANISM: AZG-1 ZD3RDM CD-CASSEIVER CX-NAJ70 CX-NSZ70 CX-NSZ70E SPEAKER SX-WNAJ70 SX-WNSZ70 SX-WNSZ70 REMOTE CONTROLLER RC-ZAS01 SYSTEM NSX-AJ70 NSX-SZ70 NSX-SZ70E This Service Manual is the “Revision Publishing” and replace the “Simple Manual” NSX-AJ70 (S/M Code No. 09-001-425-3T1) NSX-SZ70/SZ70E (S/M Code No. 09-001-425-3T2) and NSX-SZ70 (S/M Code No. 09-002-425-3T3). If requiring information about the CD mechanisim, see Service Manual of AZG-1 (S/M Code No. 09-001-335-3N8). RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS ACCESSORIES / PACKAGE LIST KANRI NO. REF. NO.DESCRIPTIONPART NO. Tuning range87.5 MHz to 108 MHz Usable sensitivity(IHF)13.2 dBf Antenna terminals75 ohms (unbalanced) Tuning range530 kHz to 1710 kHz (10 kHz step) 531 kHz to 1602 kHz (9 kHz step) Usable sensitivity350 uV/m AntennaLoop antenna Mid-high frequency amplifier Power outputRated: 32 W + 32 W (8 ohms, T.H.D. 1 %,1 kHz) Reference: 40 W + 40 W (8 ohms, T.H.D. 10 %,1 kHz) Total harmonic distortion 0.1 % (15 W, 1 kHz, 8 ohms, DIN AUDIO) Mid-high frequency amplifier Power output25 W + 25 W (200 Hz -20 kHz, THD less than 1 %, 8 ohms) Total harmonic distortion 0.1 % (10 W, 1 kHz, 8 ohms, DIN AUDIO) Low frequency amplifier Power outputRated: 96 W + 96 W (6 ohms, T.H.D. 1 %, 135 Hz) (6 ohms, T.H.D. 1 %, 130 Hz) Reference: 120 W + 120 W (6 ohms, T.H.D. 10 %,135 Hz) (6 ohms, T.H.D. 10 %,130 Hz) Total harmonic distortion 0.1 % (45 W,135 Hz,6 ohms,DIN AUDIO) 0.1 % (45 W,130 Hz,6 ohms,DIN AUDIO) Low frequency amplifier Power output75 W + 75 W (50 Hz -200 Hz, THD less than 1 %, 6 ohms) Total harmonic distortion 0.1 % (35 W, 135 Hz, 6 ohms, DIN AUDIO) InputsVIDEO/AUX : 316 mV (adjustable) MD: 316 mV (adjustable) MIC: 1.8 mV (10 kohms) MIC1,MIC2: 1.0 mV (10 kohms) OutputsSPEAKERS HIGH FREQ : accept speakers of 8 ohms or more SPEAKERS LOW FREQ : accept speakers of 6 ohms or more SURROUND SPEAKERS : accept speakers of 8 to 16 ohms LINE OUT: 210 mV PHONES (stereo jack) : accepts headphones of 32 ohms or more Track format4 tracks, 2 channels stereo Frequency responseCrO2 tape: 50 Hz 16000 Hz Normal tape: 50 Hz 15000 Hz Recording systemAC bias HeadsDeck 1: Playback head x 1 Deck 2: Recording/Playback head x 1, erase head x 1 LaserSemiconductor laser ( =780 nm) D-A converter1 bit dual Signal-to-noise ratio85 dB (1 kHz, 0 dB) Harmonic distortion0.05 % (1 kHz, 0 dB) Wow and flutterUnmeasurable Speaker system3 way, Built-in subwoofer(magnetic shielded type Speaker unitsSubwoofer : 160 mm (6 3/8 in.) cone type Full range: 100 mm (4 in.) cone type Super Tweeter : 20 mm ( 13/16 in.) ceramic type Impedance6 ohms / 8 ohms Sensitivity87 dB/W/m Dimensions (W x H x D)240 x 324 x 281 mm (9 1/ 2x 12 7/ 8 x 11 1/ 4 in.) Weight5.0 kg (11 lbs), 5.2 kg Power requirements120 V AC, 60 Hz 120 V/220-230 V/240 V AC switchable, 50/60Hz 220 V AC, 50/60 Hz Power consumption135 W, 200W Power consumption inIf the power-economizing mode is standby modeECO OFF: 21W,22 W, 26 W If the power-economizing mode is ECO ON or ECO AUTO: 0.9 W Dimensions (W x H x D)260 x 330 x 360 mm (10 1/ 4 x 13 x 14 1/ 4 in.) 260 x 330 x 395 mm Weight8.4 kg (18 lbs 8 oz.), 9.5 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. - 2 - 1 8A-NF7-901-010 IB,H(ECA)M 1 8A-NF7-902-010 IB,LH(ESP)M 1 8A-NF7-913-010 IB,U (ESF) I 2 87-006-225-010 AM LOOP ANT NC2 3 87-006-226-010 AM LOOPANT C0 4 87-043-115-010 ANT,FEEDER FM 5 87-A91-017-010 PLUG,CONVERSION JT-0476 6 8Z-NF8-702-010 RC UNIT,RC-ZAS01 ! RadioFans.CN 收音机爱 好者资料库 - 3 - CLASS 1LASER PRODUCT KLASSE 1LASER PRODUKT LUOKAN 1LASER LAITE KLASS 1LASER APPARAT This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING! WHEN SERVICING, DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJEC- TIVE LENS ON THE OPTICAL PICK-UP BLOCK. sCaution: Invisible laser radiation when open and interlocks defeated avoid exposure to beam. sAdvarsel: Usynlig laserstling ved bning, nr sikkerhedsafbrydere er ude af funktion. Undg udsttelse for strling. VAROITUS! Laiteen Kyttminen muulla kuin tss kyttohjeessa mainitulla tavalla saataa altistaa kyt-tjn turvallisuusluokan 1 ylittvlle nkymttmlle lasersteilylle. VARNING! Om apparaten anvnds p annat stt n vad som specificeras i denna bruksanvising, kan anvndaren utsttas fr osynling laserstrlning, som verskrider grnsen fr laserklass 1. PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION Use of controls or adjustments or performance of proce- dures other than those specified herin may result in hazardous radiation exposure. ATTENTION Lutillisation de commandes, rglages ou procdures autres que ceux spcifis peut entraner une dangereuse exposition aux radiations. ADVARSEL Usynlig laserstling ved bning, nr sikkerhedsafbrydereer ude af funktion. Undg udsttelse for strling. This Compact Disc player is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located on the rear exterior. Precaution to replace Optical block (KSS-213F) Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in right figure. PICK-UP Assy P.C.B Solder RadioFans.CN 收音机爱 好者资料库 NOTE ON BEFORE STARTING REPAIR Charging voltage (V)Discharging Rated power (W)Parts number (C101, 102)resistor () 25-48100387-A00-247-090 49-140220587-A00-232-090 Note: The reference numbers (C101, C102) of the electrolytic capacitors can change depending on the models. Be sure to check the reference numbers of the charging capacitors on schematic diagram before starting the discharging work. 2. Check items before exchanging the MICROCOMPUTER Be sure to check the following items before exchanging the MICROCOMPUTER. Exchange the MICROCOMPUTER after confirming that the MICROCOMPUTER is surely defective. 2-1. Regarding the HOLD terminal of the MICROCOMPUTER When 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 HOLD terminal before exchange. When the MICROCOMPUTER is not defective, the HOLD terminal can also go “L” when the POWER AMPLIFIER has any abnormalities 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 MICROCOMPUTER 11111Turn 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 the MICROCOMPUTER is judged to be good. 1. Forced discharge of electrolytic capacitor of power supply block When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed. If repair is attempted in this condition, secondary defect can occur. In order to prevent the secondary trouble, perform the following measures before starting repair work. Discharge procedure 11111Remove the AC power cord. 22222Connect a discharging resistor at an end of lead wire that has clips at both ends. Connect the other end of the lead wire to metal chassis. 33333Contact the other end of the discharging resistor to the positive (+) side (+VH) of C101. (For two seconds) 44444Contact the same end of the discharging resistor as step 33333 to the negative (-) side (-VH) of C102 in the same way. (For two seconds) 55555Check that voltage across C101 and C102 has decreased to 1 V or less using a multimeter or an oscilloscope. Select a discharging resistor referring to the following table.Fig-1 MAIN C.B D101 C101C102 22 34 - 4 - In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord 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 to exchange the MICROCOMPUTER. In such a case, perform the forced-reset by the following procedure and check good or no good 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 is good. Note: The reference number or MICROCOMPUTER pin number of transistor (Q110) and electrolytic capacitor (C113) can change depending on the models. Be sure to check the reference numbers on schematic diagram before starting the discharging work. 2-3. Confirmation of soldering state of MICROCOMPUTER Check the soldering state of the MICROCOMPUTER in addition to the above described procedures. Be sure to exchange the MICROCOMPUTER after surely confirming that the trouble is not caused by poor soldering but the MICROCOMPUTER itself. Fig-2-2 MICRO- COMPUTER MICROCOMPUTER FRONT C.B FRONT C.B VSS VDD C113 * % C113 18 15 Short with tweezers. - 5 - KANRI NO. REF. NO.DESCRIPTIONPART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO. - 6 - ELETRICAL MAIN PARTS LIST IC 8A-NF6-610-030 C-IC,LC876564V-5P35 87-A21-018-040 C-IC,M65849BFP631D 87-A21-418-010 IC,STK490-340 87-A21-397-010 IC,STK490-070 87-A21-398-010 IC,STK490-110 87-A21-396-010 IC,STK490-040 87-A21-482-010 IC,RPM6938-H4 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-A21-452-040 C-IC,BD3876KS2 87-A21-051-040 C-IC,BU9990-03FS 87-A21-560-010 IC,LA1844L-A 87-A21-415-010 IC,LA1843 87-070-127-110 IC,LC72131 D 87-020-454-010 IC,DN6851 TRANSISTOR 87-026-245-080 TR,DTC114ES 87-026-609-080 TR,KTA1266GR 87-A30-198-080 TR,KTC3199GR 87-026-610-080 TR,KTC3198GR 87-A30-076-080 C-TR,2SC3052F 87-A30-075-080 C-TR,2SA1235F 87-A30-318-080 TR,CSA952K 89-213-702-010 TR,2SB1370 (1.8W) 87-A30-087-080 C-FET,2SK2158 87-A30-107-070 C-TR,CMBT5401 87-A30-073-080 C-TR,RT1N 141C 87-A30-074-080 C-TR,RT1P 141C 87-A30-269-040 C-FET,2SJ461-T1 87-A30-106-070 C-TR,CMBT5551 87-A30-105-080 C-TR,RT1P 441C 87-A30-086-040 C-TR,CSD1306E 87-A30-329-080 TR,CD1585BC 89-327-143-080 TR,2SC2714 (0.1W) 87-A30-072-080 C-TR,RT1P 144C 87-A30-234-080 TR,CSC4115BC 89-503-602-080 C-FET,2SK360E 87-026-463-080 TR,2SA933SRS DIODE 87-A40-548-090 DIODE,D3SBA20 87-017-654-060 DIODE,GBU6J 87-A40-547-090 DIODE,D5SBA20 87-020-465-080 DIODE,1SS133 87-A40-553-080 DIODE,1N4003 LES 87-A40-781-080 ZENER,UZ36BSA 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-A40-802-080 ZENER,UZ5.1BSC 87-017-978-080 DIODE,1N4003 87-A40-745-080 ZENER,UZ4.7BSA 87-A40-748-080 ZENER,UZ5.6BSA 87-017-149-080 ZENER,HZS6A2L 87-A40-618-080 VARI-CAP,SVC348(S/T) MAIN 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 22-25V C25 87-010-405-080 CAP,E 10-50 M 11L SME C26 87-010-406-080 CAP, ELECT 22-50V C27 87-010-405-080 CAP, ELECT 10-25V C27 87-010-406-080 CAP, ELECT 22-50V C28 87-010-406-080 CAP, ELECT 10-50V C31 87-010-263-080 CAP, ELECT 100-10V C32 87-010-197-080 CAP, CHIP 0.01 DM C33 87-010-263-080 CAP, ELECT 100-10V C34 87-010-384-080 CAP, ELECT 100-25V C35 87-010-406-080 CAP, ELECT 22-50V C36 87-010-381-080 CAP, ELECT 330-16V C38 87-010-394-080 CAP, ELECT 220-35V C39 87-010-394-080 CAP, ELECT 220-35V 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 87-010-263-080 CAP, ELECT 100-10V C81 87-010-260-080 CAP, ELECT 47-25V C82 87-010-380-080 CAP, ELECT 47-16V 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 87-010-545-080 CAP, ELECT 0.22-50V C122 87-010-545-080 CAP, ELECT 0.22-50V 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 CH C302 87-010-318-080 C-CAP,S 47P-50 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 87-010-183-08