Aiwa-NSX-SZ300-SZ305-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 : ZZM-3 PR1NM BASIC CD MECHANISM : BZG-5 ZD3NM NSX-AJ300 NSX-AJ305 NSX-SZ300 NSX-SZ305 U U LH,EZ EZ S/M Code No. 09-012-440-5R1 This Service Manual is the “Revision Publishing” and replaces “Simple Manual” of NSX-AJ300/SZ300/AJ305,

2、(S/M Code No. 09-011-440-5T1) and NSX-SZ305, (S/M Code No. 09-012-440-5T2). If requiring information about the CD mechanism, see Service Manual of BZG-5, (S/M Code No. 09-00C-353-3N2). REVISION NSX-AJ300 SPEAKERSYSTEM CX-NAJ300SX-NAJ302 NSX-AJ305 NSX-SZ300 NSX-SZ305 CX-NSZ300 RC-ZAS02 CX-NAJ305 CX-N

3、SZ305 SX-NAJ302 SX-R145 SX-NSZ302 CD CASSEIVER REMOTE CONTROLLER RadioFans.CN 收音机爱 好者资料库 2 SPECIFICATIONS Main unit CX-NAJ300/CX-NSZ300/CX-NAJ305/CX-NSZ305 Tuning range87.5 MHz to 108 MHz Usable sensitivity (IHF)U,LH: 13.2 dBf EZ: 16.8 dBf Antenna terminals75 ohms (unbalanced) Tuning range530 kHz to

4、 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 Power outputRated U: 60 W + 60 W (50 Hz 20 kHz, THD less than 1%, 6 ohms) LH: 62 W + 62 W (1 kHz, THD 1%, 6 ohms) EZ: 3

5、2 W + 32 W (6 ohms, THD 1%, 1 kHz/DIN 45500) Reference U: 75 W + 75 W (1 kHz, THD less than 10%, 6 ohms) LH: 80 W + 80 W (1 kHz, THD 10%, 6 ohms) EZ: 40 W + 40 W (6 ohms, THD 10%,1 kHz/DIN 45324) EZ: DIN MUSIC POWER: 120 W + 120 W Total harmonic distortion U: 0.08 % (30 W, 1 kHz, 6 ohms, DIN AUDIO)

6、LH: 0.08 % (40 W, 1 kHz, 6 ohms, DIN AUDIO) EZ: 0.08 % (20 W, 1 kHz, 6 ohms, DIN AUDIO) InputsVIDEO/AUX: 500 mV OutputsSPEAKERS: 6 ohms or more SURROUND SPEAKERS 8 ohms to 16 ohms PHONES: 32 ohms or more Track format4 tracks, 2 channels stereo Frequency response50 Hz 15 kHz Recording systemAC bias H

7、eadsDeck 1: Playback x 1 Deck 2: Recording/Playback x 1, erase 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 requirementsU: 120 V AC, 60 Hz LH: 120 V/220-230 V/240 V AC (switchable), 50/60 Hz EZ:

8、 230 V AC, 50 Hz Power consumption300U: 70 W 305U: 85 W LH: 90 W EZ: 75 W Power consumptionWith ECO mode on: 0.6 W in standby modeWith ECO mode off: U: 20 W LH: 19 W EZ: 17 W Dimensions of main unit260 x 324 x 351 mm (W x H x D)(101/4 x 127/8 x 137/8 in.) Weight of main unit300U: 6.4 kg (14 lbs 2 oz

9、.) 305U: 6.5 kg (14 lbs 5 oz.) LH: 6.9 kg EZ: 5.8 kg Front Speakers SX-NAJ302/SX-NSZ302 Speaker system3 way, bass reflex (magnetic shielded type) Speaker unitsWoofer: 160 mm (63/8 in.) cone Tweeter: 60 mm (23/8 in.) cone Super tweeter: 20 mm (13/16 in.) ceramic Impedance6 ohms Output sound pressure

10、level 87 dB/W/m Dimensions (W x H x D)230 x 324 x 235 mm (91/8 x 127/8 x 93/8 in.) WeightU: 3.5 kg (7 lbs 11 oz.) LH: 4.5 kg EZ: 4.3 kg Surround Speakers SX-R145 (NSX-AJ305 only) Speaker system1 way, bass reflex Speaker unitsFull range: 80 mm (31/4 in.) cone Impedance8 ohms Dimensions (W x H x D)100

11、 x 132 x 116 mm (4 x 51/4 x 45/8 in.) Weight0.5 kg (1 lbs 2 oz.) 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 PRODUCT KLASSE 1LASER PRODUKT LUO

12、KAN 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 FRO

13、M 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

14、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 laserstrlnin

15、g, 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

16、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

17、on the rear exterior. Precaution to replace Optical block (KSS-213F) 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 the clothes do not touch the dio

18、de. Solder (KSS 213F) PICKUP Assy PWB 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 electrolytic capacitors c

19、an 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 MI

20、CROCOMPUTER 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

21、 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 t

22、erminal 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

23、 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 capacito

24、rs (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 discharg

25、ing 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 333

26、33 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 5 In such a

27、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

28、 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.

29、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 MIC

30、ROCOMPUTER 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 MI

31、CROCOMPUTER 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 twe

32、ezers. 6 ELECTRICAL MAIN PARTS LIST DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. IC 87-A21-419-040 C-IC,NJM14558MD-TE2 87-A21-893-040 C-IC,NJM14558V-TE2 87-A21-695-010 IC,LA1845L 87-070-127-110 IC,LC72131D 87-A20-440-040 C-IC,BU1920FS 87-A21-218-110 IC,NJL64H380A 87-A21

33、-401-040 C-IC,M61503FP 8B-NF9-602-030 C-IC,UPD780228GF-078-3BA 8B-NF9-601-030 C-IC,UPD780226GF-021-3BA 87-A21-269-010 IC,EW732 TRANSISTOR 87-A30-559-010 TR,CSB1370EF 87-A30-492-080 TR,2SC5343G 87-A30-076-080 C-TR,2SC3052F 87-A30-075-080 C-TR,2SA1235F 87-A30-107-070 C-TR,CMBT5401 87-A30-484-080 C-TR,

34、KRA102S 87-026-610-080 TR,KTC3198GR 87-A30-190-080 TR,CC5551 87-A30-106-040 C-TR,CMBT5551 87-A30-162-010 FET,2SK2937 87-A30-091-080 FET,2SJ460 87-A30-090-080 FET,2SK2541 87-A30-062-080 C-TR,KRC104S 87-A30-495-080 TR,2SA1981Y 87-A30-234-080 TR,CSC4115BC 89-327-143-080 C-TR,2SC2714(O) 87-A30-489-080 C

35、-TR,KRA107S 89-503-602-080 C-FET,2SK360E 87-A30-086-040 C-TR,CSD1306E 87-A30-494-080 TR,2SA1980G 87-A30-528-010 TR,2SB1686 87-A30-529-010 TR,2SD2642 87-A30-087-080 C-FET,2SK2158 87-A30-074-080 C-TR,RT1P141C 87-A30-582-080 TR,CDA1585BC 87-A30-468-080 C-TR,KRC102S-RTK 87-026-213-080 C-TR,DTC114YK 87-A

36、30-288-040 C-TR,DTC114YKA DIODE 87-A40-393-090 DIODE,1N5402GW(F20) 87-A40-553-080 DIODE,1N4003 LES 87-A40-776-080 ZENER,UZ27BSD 87-A40-764-080 ZENER,UZ10BSC 87-A40-270-080 C-DIODE,MC2838 87-A40-269-080 C-DIODE,MC2836 87-A40-291-080 DIODE,1N4148M(CPT) 87-A40-749-080 ZENER,UZ5.6BSB 87-017-149-080 ZENE

37、R,HZS6A2L 87-A40-454-090 DIODE,1N5393 GW 12.5 87-A40-747-080 ZENER,UZ5.1BSB 87-A40-739-080 ZENER,UZ2.7BSA 87-A40-748-080 ZENER,UZ5.6BSA 87-A40-455-090 DIODE,RL203GW MAIN C.B C3 87-012-368-080 C-CAP,S 0.1-50 Z F C4 87-012-368-080 C-CAP,S 0.1-50 Z F C5 87-012-368-080 C-CAP,S 0.1-50 Z F C6 87-012-368-0

38、80 C-CAP,S 0.1-50 Z F C9 87-010-759-080 C-CAP,U 0.1-25 Z F C10 87-010-759-080 C-CAP,U 0.1-25 Z F C11 87-010-759-080 C-CAP,U 0.1-25 Z F C12 87-010-759-080 C-CAP,U 0.1-25 Z F C19 87-A12-036-000 CAP, E 2200-63 M SMG C19 87-A12-776-090 CAP, E 2200-50 M 85 SKR C20 87-A12-036-000 CAP, E 2200-63 M SMG C20

39、87-A12-776-090 CAP, E 2200-50 M 85 SKR C21 87-A12-777-090 CAP, E 3300-25 M 85 SKR C22 87-A12-777-090 CAP, E 3300-25 M 85 SKR C25 87-A12-072-080 CAP, E 100-25 SMG C26 87-A12-072-080 CAP, E 100-25 SMG C27 87-A12-072-080 CAP, E 100-25 SMG C28 87-A12-072-080 CAP, E 100-25 SMG C30 87-A12-095-080 CAP, E 1

40、00-50 SMG C31 87-A12-062-080 CAP,E 100-10 SMG C32 87-012-286-080 C-CAP, U 0.01-25 C33 87-A12-062-080 CAP,E 100-10 SMG C34 87-A12-072-080 CAP, E 100-25 SMG C35 87-A12-071-080 CAP, E 47-25 SMG C36 87-A12-067-080 CAP, E 330-16 SMG C38 87-012-286-080 C-CAP, U 0.01-25 C60 87-A12-089-080 CAP,E 3.3-50 SMG

41、C61 87-A12-071-080 CAP,E 47-25 SMG C83 87-A12-074-080 CAP, E 470-25 SMG C83 87-A12-068-080 CAP, E 470-16 SMG C97 87-010-831-080 C-CAP,U 0.1-16 Z F C101 87-012-279-080 C-CAP,U 2700P-50 B C101 87-012-278-080 C-CAP,U 2200P-50 K B C102 87-012-279-080 C-CAP,U 2700P-50 B C102 87-012-278-080 C-CAP,U 2200P-

42、50 K B C103 87-A12-084-080 CAP,E 0.022-50 SMG C104 87-A12-084-080 CAP,E 0.022-50 SMG C105 87-012-277-080 C-CAP,U 1800P-50 K B GRM C106 87-012-277-080 C-CAP,U 1800P-50 K B GRM C107 87-A12-089-080 CAP,E 3.3-50 SMG C108 87-A12-089-080 CAP,E 3.3-50 SMG C109 87-012-195-080 C-CAP,U 100P-50 CH C110 87-012-

43、195-080 C-CAP,U 100P-50 CH C111 87-A12-077-080 CAP,E 33-35 SMG C112 87-A12-077-080 CAP,E 33-35 SMG C113 87-012-195-080 C-CAP,U 100P-50 CH C113 87-A10-596-080 C-CAP,S 100P-100 J CH C114 87-012-195-080 C-CAP,U 100P-50 CH C114 87-A10-596-080 C-CAP,S 100P-100 J CH C117 87-A12-368-080 C-CAP,S 0.1-50 Z F

44、C118 87-A12-368-080 C-CAP,S 0.1-50 Z F C119 87-012-286-080 C-CAP,U 0.01-25 C120 87-012-286-080 C-CAP,U 0.01-25 C123 87-010-177-080 C-CAP,S 820P-25 J SL C2012 C124 87-010-177-080 C-CAP,S 820P-25 J SL C2012 C133 87-012-282-080 C-CAP,U 4700P-50 C140 87-012-278-080 C-CAP,U 2200P-50 C186 87-010-759-080 C

45、-CAP,U, 0.1-25F C187 87-010-866-080 CAP,E 10-63 M VX C187 87-A12-091-080 CAP,E 10-50 SMG C188 87-010-866-080 CAP,E 10-63 M VX C188 87-A12-091-080 CAP,E 10-50 SMG C223 87-012-272-080 C-CAP,U 680P-50 B C224 87-012-272-080 C-CAP,U 680P-50 B C225 87-012-368-080 C-CAP,S 0.1-50 Z F C226 87-012-368-080 C-C

46、AP,S 0.1-50 Z F C227 87-012-368-080 C-CAP,S 0.1-50 Z F C228 87-012-368-080 C-CAP,S 0.1-50 Z F C229 87-012-191-080 C-CAP,U 0.015-50 Z F GRM C230 87-012-191-080 C-CAP,U 0.015-50 Z F GRM C231 87-012-286-080 CAP, U 0.01-25 C232 87-012-286-080 CAP, U 0.01-25 C235 87-A12-094-080 CAP,E 47-50 SMG C236 87-A1

47、2-094-080 CAP,E 47-50 SMG C241 87-010-831-080 C-CAP,U 0.1-16 Z F C301 87-012-275-080 C-CAP,U 1200P-50 K B GRM C302 87-012-275-080 C-CAP,U 1200P-50 K B GRM C303 87-012-275-080 C-CAP,U 1200P-50 K B GRM 7 DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. C304 87-012-275-080 C-CAP,U 1200P-50 K B GRM C307 87-A12-062-080 CAP,E 100-10 SMG C308 87-A12-062-080 CAP,E 100-10 SMG C309 87-012-188-080 C-CAP,U 47P-50 J CH C310 87-012-188-080 C-CAP,U 47P-50 J CH C313 87-012-284-080 CAP, U 6800P-50 C314 87-012-284-080 CAP, U 6800P-50 C315 87-A12-062-08