Aiwa-NSXSZ36-cs-sm 电路图 维修手册.pdf
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1、SERVICE MANUAL DATA COMPACT DISC STEREO SYSTEM BASIC TAPE MECHANISM : 6ZM-3 PR2NM / ZZM-3 YPR1NM BASIC CD MECHANISM : AZG-1 NSX-SZ30 NSX-SZ36 HS,HT LH S/M Code No. 09-007-423-3R1 REVISION If requiring information about the CD mechanism, see Service Manual of AZG-1, (S/M Code No. 09-001-335-3N8). Thi
2、s Service Manual is the “Revision Publishing” and replaces “Simple Manual” (S/M Code No. 09-007-423-3T3). SYSTEMTAPE MECHANISMCD MECHANISM ZZM-3 YPR1NM AZG-1 ZD3RDMNSX-SZ30 NSX-SZ36 6ZM-3 PR2NM AZG-1 YZD3RDM NSX-SZ30 SPEAKERSYSTEM CD CASSEIVER REMOTE CONTROLLER NSX-SZ36 CX-NSZ30 CX-NSZ36 RC-ZAS01 SX
3、-NSZ52 RC-ZAS02 RadioFans.CN 收音机爱 好者资料库 2 SPECIFICATIONS Tuning range87.5 MHz to 108 MHz Usable sensitivity (IHF)13.2 dBf Antenna terminals75 ohms (unbalanced) Tuning range531 kHz to 1602 kHz (9 kHz step) 530 kHz to 1710 kHz (10 kHz step) Usable sensitivity350 V/m AntennaLoop antenna Tuning range5.7
4、30 MHz to 17.900 MHz Usable sensitivity40 V (IEC) AntennaWire antenna Power outputLH: Rated: 65 W + 65 W (6 ohms, THD 1%, 1 kHz) Reference: 80 W + 80 W (6 ohms, THD 10%, 1 kHz) HS,HT: Rated: 40 W + 40 W (6 ohms, THD 1%, 1 kHz) Reference: 50 W + 50 W (6 ohms, THD 10%, 1 kHz) Total harmonic distortion
5、 0.08% (25 W, 1 kHz, 6 ohms, DIN AUDIO) InputsVIDEO/AUX: 500 mV HS,HT only: MIC: 1.0 mV (10 K ohms) OutputsSPEAKERS: accept speakers of 6 ohms or more PHONES (stereo jack) : accepts headphones of 32 ohms or more Track format4 tracks, 2 channels stereo Frequency response50 Hz 15 kHz Recording systemA
6、C 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) Power requirementsLH,HT: 120 V/220-230 V/240 V AC (switchable), 50/
7、60 Hz HS: 220 V AC, 60 Hz Power consumptionLH: 125 W HS,HT: 80 W Power consumption in standby mode With power-economizing mode off LH: 17 W HS,HT: 13 W With power-economizing mode on 0.9 W Dimensions of main unit260 x 328 x 335 mm (W x H x D) Weight of main unit6.3 kg Speaker system3 way, bass refle
8、x (magnetic shielded type) Speaker unitsWoofer: 140 mm cone type Tweeter: 60mm cone type Super tweeter: 20 mm ceramic type Impedance6 ohms Output sound pressure level 87 dB/W/m Dimensions (W x H x D)240 x 324 x 270 mm Weight4.0 kg Design and specifications are subject to change without notice. The w
9、ord 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 PRODUCT KLASSE 1LASER PRODUKT LUOKAN 1LASER LAITE KLASS 1LASER APPARAT This set employs laser. Therefore, be sure to follow carefully the instructions below when servi
10、cing. 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 radiat
11、ion 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 ylit
12、tvlle 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 o
13、r 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 sikkerhedsa
14、fbrydereer 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) 1) After the connection, remove solder shown in the right figure.
15、 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. Solder (KSS 213F) PICKUP Assy P.C.B. RadioFans.CN 收音机爱 好者资料库 4 NOTE ON BEFORE STARTING REPAIR Charging voltage (V)Discharging Rate
16、d 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 st
17、arting 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
18、 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
19、, 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
20、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 blo
21、ck 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
22、 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. 33333Cont
23、act 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 decre
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