Aiwa-NSX-SZ50-SZ52-Service-Manual 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 BASIC CD MECHANISM : AZG-1 ZA3RDM NSX-SZ50 NSX-SZ52 EZ, K EZ S/M Code No. 09-004-424-6R2 REVISION This Service Manual is the Revision Publishing and replaces Simple Manual, (S/M Code No. 09-002-424-6T2). If requiring i

2、nformation about the CD mechanism, see Service Manual of AZG-1, (S/M Code No. 09-001-335-3NC). NSX-SZ50 SPEAKER SYSTEM CD CASSEIVER REMOTE CONTROLLER NSX-SZ52 CX-NSZ50SX-WNSZ50 CX-NSZ52SX-WNSZ52 RC-ZAS01 RC-ZAS01 RadioFans.CN 收音机爱 好者资料库 2 Tuning range87.5 MHz to 108 MHz Usable sensitivity (IHF)16.8

3、dBf Antenna terminals75 ohms (unbalanced) Tuning range530 kHz to 1710 kHz (10 kHz step) 531 kHz to 1602 kHz (9 kHz step) Usable sensitivity350 V/m AntennaLoop antenna Tuning range144 kHz to 290 kHz Usable sensitivity1400 V/m AntennaLoop antenna Mid-high frequency amplifier Power outputRated : 20 W +

4、 20 W (8 ohms, T.H.D. 1 %, 1 kHz/DIN 45500) Reference : 25 W + 25 W (8 ohms, T.H.D. 10 %, 1 kHz/DIN 45324) Total harmonic distortion0.1 % (10W, 1 kHz, 8 ohms, DIN AUDIO) Low frequency amplifier Power outputRated : 60 W + 60 W (6 ohms, T.H.D. 1 %, 130 Hz/DIN 45500) Reference : 75 W + 75 W (6 ohms, T.

5、H.D. 10 %, 130 Hz/DIN 45324) Total harmonic distortion0.1 % (30W, 130 kHz, 6 ohms, DIN AUDIO) InputsVIDEO / AUX: 500 mV 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 ohms to 16 ohms PHONES (st

6、ereo jack): accepts headphones of 32 ohms or more Track format4 tracks, 2 channels stereo Frequency response50 Hz 16000 Hz Recording systemAC bias HeadsDeck 1 : Playback head x 1 Deck 2 : Recording / Playback head x 1, erase head x 1 SPECIFICATIONS LaserSemiconductor laser ( = 780 nm) D-A converter1

7、 bit dual Signal-to-noise ratio85 dB (1 kHz, 0 dB) Harmonic distortion0.05 % (1 kHz, 0 dB) Power requirements230 V AC, 50 Hz Power consumption150 W Standby power consumption 20 W (power-economizing mode set to OFF) 0.9 W (power-economizing mode set to ON) Dimensions of main unit260 x 326 x 345 mm (W

8、 x H x D) Weight of main unit9.0 kg Speaker system SX-WNSZ50(EZ, K)/SX-WNSZ52(EZ) Speaker system3 way, Built-in subwoofer (magnetic shielded type) Speaker unitsSubwoofer : 160 mm cone type Full range : 100 mm cone type Super tweeter: 20 mm ceramic type Impedance6 ohms/8 ohms Sensitvity86 dB/W/m Dime

9、nsions (W x H x D)240 x 324 x 271 mm Weight4.8 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. Main unit CX-NSZ50(EZ, K)/CX-NSZ52(EZ) RadioFans.CN 收音机爱 好者资料库 3 PROTECTION OF EYES FRO

10、M LASER BEAM DURING SERVICING VAROITUS! Laiteen Kyttminen muulla kuin tss kyttohjeessa mainit- ulla tavalla saattaa altistaa kyt-tjn turvallisuusluokan 1 ylit- tvlle nkymttmlle lasersteilylle. VARNING! Om apparaten anvnds p annat stt n vad som specificeras i denna bruksanvising, kan anvndaren utstta

11、s fr osynling laserstrlning, som verskrider grnsen fr laserklass 1. Caution: Invisible laser radiation when open and interlocks defeated avoid expo- sure to beam. Advarsel:Usynling laserstling ved bning, nr sikkerhedsafbrydere er ude af funktion. Undg udsttelse for strling. CAUTION Use of controls o

12、r adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. ATTENTION Lutilisation de commandes, rglages ou procdures autres que ceux spcifis peut entraner une dangereuse exposition aux radiations. ADVARSEL! Usynlig laserstling ved bning,

13、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. This set employs laser. Therefore, be sure to follow carefully the instructions below when servici

14、ng. 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 OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOCK. CLASS 1 KLASSE 1 LUOKAN 1 KLASS 1 LA

15、SER PRODUCT LASER PRODUKT LASER LAITE LASER APPARAT Precaution to replace Optical block (KSM-880CAB) 1) After the connection, remove solder shown in the right figure. Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground body and workbench, and use care

16、the clothes do not touch the diode. solder PICK-UP 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 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 e

17、lectrolytic 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 MICROC

18、OMPUTER. 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 mai

19、n 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.

20、 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 detect

21、ion 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 t

22、he 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.

23、 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 discharg

24、ing 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 C10

25、1C102 22 34 5 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 soft

26、ware 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 goo

27、d 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

28、 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 s

29、oldering 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 * % C

30、113 18 15 Short with tweezers. 6 ELECTRICAL MAIN PARTS LIST DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. IC 87-A21-417-010 IC,STK490-310 8A-NF8-611-010 C-IC,LC866560W-5P19 8A-NF8-612-010 C-IC,LC866548V-5P03 87-A21-396-010 IC,STK490-040 87-A21-482-010 IC,RPM6938-H4 87-A2

31、1-419-040 IC,NJM14558MD-TE2 87-A21-023-040 C-IC,BA3835F 87-A21-401-040 C-IC,M61503FP 87-070-289-040 IC,BU 2092F 87-070-127-110 IC,LC72131 D 87-A21-415-010 IC,LA1843 87-020-454-010 IC,DN6851 87-A20-440-040 C-IC,BU1920FS TRANSISTOR 87-026-609-080 TR,KTA1266GR 89-213-702-010 TR,2SB1370 (1.8W) 87-026-61

32、0-080 TR,KTC3198GR 87-A30-076-080 C-TR,2SC3052F 87-A30-075-080 C-TR,2SA1235F 87-026-245-080 TR,DTC114ES 87-A30-198-080 TR,KTC3199GR 87-A30-107-070 C-TR,CMBT5401 87-A30-106-040 C-TR,CMBT5551 87-A30-087-080 C-FET,2SK2158 87-A30-074-080 C-TR,RT1P 141C 87-A30-091-080 FET,2SJ460 87-A30-318-080 TR,CSA952K

33、 87-A30-090-080 FET,2SK2541 87-A30-329-080 TR,CD1585BC 87-A30-104-080 C-TR,RT1N 441C 87-A30-073-080 C-TR,RT1N 141C 89-333-317-880 TR,2SC3331 (0.5W) 87-A30-269-040 C-FET,2SJ461-T1 89-327-143-080 C-TR,2SC2714O (0.1W) 87-A30-072-080 C-TR,RT1P 144C 87-A30-234-080 TR,CSC4115BC 87-A30-489-080 C-TR,KRA107S

34、 87-A30-086-070 C-TR,CSD1306E 89-503-602-080 TR,CSC4115BC 87-A30-468-080 C-TR,KRC102S-RTK DIODE 87-A40-393-090 DIODE,1N5402GW(F20) 87-A40-736-080 DIODE,1N4148M(SEM) 87-A40-547-090 DIODE,D5SBA20 87-A40-455-080 DIODE,RL203 GW 87-A40-553-080 DIODE,1N4003 LES 87-A40-776-080 ZENER,UZ27BSD 87-A40-764-080

35、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-A40-739-080 ZENER,UZ2.7BSA 87-017-149-080 ZENER,HZS6A2L MAIN C.B C3 87-012-368-080 C-CAP,S 0.1-50 F C4

36、87-012-368-080 C-CAP,S 0.1-50 F C5 87-012-368-080 C-CAP,S 0.1-50 F C6 87-012-368-080 C-CAP,S 0.1-50 F C9 87-012-368-080 C-CAP,S 0.1-50 F C10 87-012-368-080 C-CAP,S 0.1-50 F C11 87-012-368-080 C-CAP,S 0.1-50 F C12 87-012-368-080 C-CAP,S 0.1-50 F C15 87-012-368-080 C-CAP,S 0.1-50 F C16 87-012-368-080

37、C-CAP,S 0.1-50 F C17 87-012-368-080 C-CAP,S 0.1-50 F C18 87-012-368-080 C-CAP,S 0.1-50 F C19 87-016-520-000 CAP,E 3300-65 M SMG C20 87-016-520-000 CAP,E 3300-65 M SMG C21 87-016-051-000 CAP,E 2200-35 M SMG C22 87-016-051-000 CAP,E 2200-35 M SMG C23 87-016-658-000 CAP,E 4700-35 M SMG C24 87-016-658-0

38、00 CAP,E 4700-35 M SMG C25 87-010-408-080 CAP, ELECT 47-50V C26 87-010-247-080 CAP, ELECT 100-50V C30 87-010-430-080 CAP, ELECT 100-63 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 87-010-260-080 CAP, ELECT 47-25V C35 87-010-380-

39、080 CAP,E 47-16 M 11L C36 87-010-381-080 CAP, ELECT 330-16V C38 87-010-197-080 CAP, CHIP 0.01 DM C60 87-010-403-080 CAP, ELECT 3.3-50V C61 87-010-260-080 CAP, ELECT 47-25V C101 87-010-183-080 C-CAP,S 2700P-50 B C102 87-010-183-080 C-CAP,S 2700P-50 B C103 87-010-545-080 CAP, ELECT 0.22-50V C104 87-01

40、0-545-080 CAP, ELECT 0.22-50V C107 87-010-405-080 CAP, ELECT 10-50V C108 87-010-405-080 CAP, ELECT 10-50V C111 87-010-405-080 CAP, ELECT 10-50V C112 87-010-405-080 CAP, ELECT 10-50V C113 87-010-866-080 CAP, ELECT 10-63 C114 87-010-866-080 CAP, ELECT 10-63 C119 87-010-197-080 CAP, CHIP 0.01 DM C120 8

41、7-010-197-080 CAP, CHIP 0.01 DM C123 87-010-176-080 C-CAP,S 680P-50 J SL C124 87-010-176-080 C-CAP,S 680P-50 J SL C125 87-012-368-080 C-CAP,S 0.1-50 F C126 87-012-368-080 C-CAP,S 0.1-50 F C127 87-012-368-080 C-CAP,S 0.1-50 F C128 87-012-368-080 C-CAP,S 0.1-50 F C129 87-010-191-080 C-CAP,S 0.015-50 Z

42、 F C130 87-010-191-080 C-CAP,S 0.015-50 Z F C131 87-010-197-080 CAP, CHIP 0.01 DM C132 87-010-197-080 CAP, CHIP 0.01 DM C133 87-010-186-080 CAP,CHIP 4700P C140 87-010-182-080 C-CAP,S 2200P-50 B C141 87-010-196-080 CHIP CAPACITOR,0.1-25 C203 87-010-182-080 C-CAP,S 2200P-50 B C204 87-010-182-080 C-CAP

43、,S 2200P-50 B C205 87-012-140-080 C-CAP,S 470P-50 J CH C206 87-012-140-080 C-CAP,S 470P-50 J CH C209 87-010-402-080 CAP, ELECT 2.2-50V C210 87-010-402-080 CAP, ELECT 2.2-50V C211 87-010-184-080 CHIP CAPACITOR 3300P(K) C212 87-010-184-080 CHIP CAPACITOR 3300P(K) C213 87-010-402-080 CAP, ELECT 2.2-50V

44、 C214 87-010-402-080 CAP, ELECT 2.2-50V C217 87-010-405-080 CAP, ELECT 10-50V C218 87-010-405-080 CAP, ELECT 10-50V C220 87-010-405-080 CAP, ELECT 10-50V C223 87-010-190-080 S CHIP F 0.01 C224 87-010-190-080 S CHIP F 0.01 C228 87-010-405-080 CAP, ELECT 10-50V C229 87-010-993-080 C-CAP,S 0.056-25 B C

45、230 87-010-196-080 CHIP CAPACITOR,0.1-25 C231 87-010-196-080 CHIP CAPACITOR,0.1-25 C232 87-010-196-080 CHIP CAPACITOR,0.1-25 7 C233 87-010-190-080 S CHIP F 0.01 C234 87-010-190-080 S CHIP F 0.01 C237 87-010-322-080 C-CAP,S 100P-50 CH C238 87-010-322-080 C-CAP,S 100P-50 CH C239 87-010-196-080 CHIP CA

46、PACITOR,0.1-25 C270 87-010-197-080 CAP, CHIP 0.01 DM C301 87-010-178-080 CHIP CAP 1000P C302 87-010-178-080 CHIP CAP 1000P C303 87-010-178-080 CHIP CAP 1000P C304 87-010-178-080 CHIP CAP 1000P C307 87-010-263-080 CAP, ELECT 100-10V C308 87-010-263-080 CAP, ELECT 100-10V C309 87-010-318-080 C-CAP,S 4

47、7P-50 CH C310 87-010-318-080 C-CAP,S 47P-50 CH C313 87-010-188-080 CAP,CHIP 6800P C314 87-010-188-080 CAP,CHIP 6800P C315 87-010-263-080 CAP, ELECT 100-10V C317 87-010-546-080 CAP, ELECT 0.33-50V C318 87-010-546-080 CAP, ELECT 0.33-50V C326 87-010-198-080 CAP, CHIP 0.022 C327 87-012-368-080 C-CAP,S 0.1-50 F C360 87-010-401-080 CAP, ELECT 1-50V C365 87-010-197-080 CAP, CHIP 0.01 DM C399 87-012-140-080 CAP 470P C401 87-010-544-080 CAP, ELECT 0.1-50V C402 87-010-544-080 CAP, ELECT 0.1-50V C403 87-010-321-08