Aiwa-XR-C303RW-Service-Manual 电路图 维修手册.pdf

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1、SERVICE MANUAL DATA CD-R/CD STEREO CASSETTE RECEIVER BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM BASIC CD MECHANISM : AZG-1 ZD3RMDM BASIC CD-R MECHANISM : CRD-RA1 XR-C303RWLH,U S/M Code No. 09-006-433-4R1 REVISION This Service Manual is the Revision Publishing and replaces Simple Manual XR-C303RW (LH,U),

2、(S/M Code No. 09-004-433-4T1). If requiring information about the CD mechanism, see Service Manual of AZG-1 (S/M Code No. 09-001-335-3N8). XR-C303RW SPEAKERSYSTEM CD CASSEIVER SX-WNC303CX-NC303RW RC-ZAS01 REMOTE CONTROLLER 2 SPECIFICATIONS 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 Mid-high frequency amplifier Power output* U: 15 watts per channel, Min. RMS at 8 ohms, from 200 Hz to 20 kHz, with no more than 1%

4、Total Harmonic Distortion LH: Rated: 12 W + 12 W (8 ohms, T.H.D. 1 %, 1kHz) Reference: 15 W + 15 W (8 ohms, T.H.D. 10 %, 1kHz) Total harmonic distortionU: 0.06 % (8 W, 1 kHz, 8 ohms, DIN AUDIO) LH: 0.1% (8 W, 1 kHz, 8 ohms, DIN AUDIO) Low frequency amplifier Power output*U: 45 watts per channel, Min

5、. RMS at 6 ohms, from 50 Hz to 200 Hz, with no more than 1% Total Harmonic Distortion LH: Rated: 37 W + 37 W (6 ohms, T.H.D. 1 %, 130 Hz) Reference: 45 W + 45 W (6 ohms, T.H.D. 10 %, 130 Hz) Total harmonic distortionU: 0.06 % (20 W, 130 Hz, 6 ohms, DIN AUDIO) LH: 0.1% (20 W, 130Hz, 6 ohms, DIN AUDIO

6、) * without connecting to the SURROUND SPEAKERS InputsVIDEO/AUX: 500 mV DIGITAL IN OutputsSPEAKERS HIGH FREQ: accept speakers of 8 ohms SPEAKERS LOW FREQ: accept speakers of 6 ohms SURROUND SPEAKERS: accept speakers of 8 to 16 ohms PHONES (stereo jack): accepts headphones of 32 ohms or more CD DIGIT

7、AL OUT (OPTICAL) jack Compact disc player section (3CD changer) 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 Compact disc recorder section (CD-R/RW Player/ Recorder) LaserSemi

8、conductor Laser ( = 785 5 nm) Recording MethodTrack at Once Sampling Frequency44.1 kHz Harmonic DistortionPlay 0.05% or less (1 kHz, 0 dB) Digital Record 0.05 % or less (1 kHz, 0 dB) Cassette deck section Track format4 tracks, 2 channels stereo Frequency response50 Hz 15000 Hz Recording systemAC bia

9、s HeadsDeck 1 : Playback head x 1 Deck 2 : Recording/Playback head x 1, erase head x 1 General Power requirementsU: 120 V AC, 60 Hz LH: 120 V/220 - 230 V/240 V AC switchable, 50/60 Hz Power consumptionU: 120 W LH: 125 W Power consumption in standby mode If the power-economizing mode is ECO OFF: U: 3

10、0 W LH: 28 W If the power-economizing mode is ECO ON or ECO AUTO: 0.9 W Dimensions260 x 326 x 370 mm (W x H x D)(10 1/4 x 12 7/8 x 14 5/8 in) Weight9.3 kg (20 Ibs 8 oz.) Speaker system SXWNC303 Speaker system3 way, built-in subwoofer (magnetic shielded type) Speaker unitsSubwoofer: 160 mm (6 3/8 in.

11、) 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 270 mm (9 1/2 x 12 7/8 x 10 3/4 in.) Weight4.8 kg (10 Ibs 9 oz.) Design and specifications are subject to change without notice

12、. 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 C

13、ONFIRM 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 sikkerhed

14、safbrydere 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 bruksanvisi

15、ng, 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

16、 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 pr

17、oduct. 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

18、 connection, remove solder shown in right figure. PICK-UP Assy P.C.B Solder 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 electrolyti

19、c 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. E

20、xchange 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 ca

21、nnot 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 s

22、ets 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 circui

23、t 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 electro

24、lytic 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. 22222Conn

25、ect 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 resist

26、or 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 3

27、4 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 software reset

28、 (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 M

29、ICROCOMPUTER. 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

30、 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 s

31、tate 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

32、Short with tweezers. 6 DISASSEMBLY INSTRUCTIONS Disassembly Procedure of CD-R/RW Unit *Remove CABI, TOP PANEL, SIDE L, R and AZG-1 in advance. 1.Open the tray of the CD-R/RW unit. *If the tray does not open for some reason, open it as follows. 1) Remove the screw. 2) Lift up the entire holder. 7 3)

33、Insert a flat screwdriver into the clearance marked by the arrow and rotate the gear in the direction of the right arrow to open the tray. 4) Lift up PANEL, CD in the direction of the arrow.5) Remove the four screws and remove SHLD, STEEL. 6) Remove the four screws.7) Attach the tray and put the mec

34、hanism in the workpiece in this state. 8 ELECTRICAL MAIN PARTS LIST DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. IC 8A-DF8-616-010 C-IC,LC87F65C8AU 87-A21-482-010 IC,RPM6938-H4 87-A20-870-010 IC,GP1F37R 87-A21-021-040 C-IC,BU2099FV 87-070-289-040 IC,BU 2092F 87-A21-031-

35、040 C-IC,BU4551BF 87-A21-416-040 C-IC,M61500FP 87-A21-023-040 C-IC,BA3835F 87-070-127-110 IC,LC72131 D 87-A20-971-040 C-IC,SN74LV14APW 87-A20-913-010 IC,LA1837NL 87-020-454-010 IC,DN 6851 87-A21-419-040 C-IC,NJM14558MD-TE2 TRANSISTOR 87-026-245-080 TR,DTC114ES 87-026-609-080 TR,KTA1266GR 87-A30-198-

36、080 TR,KTC3199GR 89-213-702-010 TR,2SB1370E 87-026-610-080 TR,KTC3198GR 87-A30-076-080 C-TR,2SC3052F 87-A30-075-080 C-TR,2SA1235F 87-A30-234-080 TR,CSC4115BC 87-A30-073-080 C-TR,RT1N 141C 87-A30-186-010 FET,2SK3053 87-A30-074-080 C-TR,RT1P 141C 87-026-210-080 CHIP-TR,DTC144EK 87-A30-190-080 TR,CC555

37、1 87-A30-137-010 TR,2SD2494 87-A30-138-010 TR,2SB1625 87-A30-106-070 C-TR,CMBT5551 87-A30-107-070 C-TR,CMBT5401 87-A30-087-080 C-FET,2SK2158 87-A30-071-080 C-TR,RT1N 144C 87-A30-256-010 TR,2SD1933 87-A30-255-010 TR,2SB1342 87-A30-329-080 TR,CD1585BC 87-A30-318-080 TR,CSA952K 87-A30-091-080 FET,2SJ46

38、0 87-A30-090-080 FET,2SK2541 87-A30-104-080 C-TR,RT1N 441C 87-A30-085-040 C-TR,CSA1362GR 89-327-143-080 C-TR,2SC2714O 87-A30-072-080 C-TR,RT1P 144C 87-026-463-080 TR,2SA933S DIODE 87-A40-736-080 DIODE,1N4148M(SEM) 87-A40-547-090 DIODE,D5SBA20 87-070-274-080 DIODE,1N4003 SEM 87-A40-777-080 ZENER,UZ30

39、BSB 87-A40-548-090 DIODE,D3SBA20 87-A40-764-080 ZENER,UZ10BSC 87-A40-270-080 C-DIODE,MC2838 87-A40-269-080 C-DIODE,MC2836 87-A40-749-080 ZENER,UZ5.6BSB 87-A40-393-090 DIODE,1N5402GW(F20) 87-A40-767-080 ZENER,UZ12BSC 87-A40-757-080 ZENER,UZ7.5BSC 87-A40-752-080 ZENER,UZ6.2BSC 87-A40-739-080 ZENER,UZ2

40、.7BSA 87-A40-802-080 ZENER,UZ5.1BSC 87-017-149-080 ZENER,HZS6A2L 87-A40-745-080 ZENER,UZ4.7BSA 87-A40-747-080 ZENER,UZ5.1BSB 87-A40-335-080 ZENER,MTZJ11C T-72 87-A40-313-080 C-DIODE,MC2840 MAIN C.B C1 87-012-369-080 C-CAP,S 0.047-50F C2 87-012-369-080 C-CAP,S 0.047-50F C3 87-012-368-080 C-CAP,S 0.1-

41、50 F C4 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 87-016-658-000 CAP,E 4700-35 M SMG C10 87-A10-520-000 CAP,E 3300-35 M SMG C21 87-010-385-080 CAP, ELECT 220-25V C22 87-010-385-080 CAP, ELECT 220-25V C23 87-010-247-080 CAP, ELECT 100-50V

42、 C24 87-010-247-080 CAP, ELECT 100-50V C25 87-010-430-080 CAP, ELECT 100-63 C26 87-010-263-080 CAP, ELECT 100-10V C27 87-010-197-080 CAP, CHIP 0.01 DM C28 87-010-263-080 CAP,E 100-10 M 11L SME C29 87-010-247-080 CAP, ELECT 100-50V C30 87-010-381-080 CAP, ELECT 330-16V C31 87-010-235-080 CAP,E 470-16

43、 SME C32 87-010-405-080 CAP, ELECT 10-50V C33 87-010-405-080 CAP, ELECT 10-50V C34 87-012-368-080 C-CAP,S 0.1-50 F C35 87-010-198-080 CAP, CHIP 0.022 C36 87-010-198-080 CAP, CHIP 0.022 C40 87-010-112-080 CAP, ELECT 100-16V C50 87-010-182-080 C-CAP,S 2200P-50 B C51 87-010-180-080 C-CER 1500P C61 87-0

44、10-260-080 CAP, ELECT 47-25V C62 87-010-403-080 CAP, ELECT 3.3-50V C91 87-010-401-080 CAP, ELECT 1-50V C92 87-010-374-080 CAP, ELECT 47-10V C93 87-010-380-080 CAP, ELECT 47-16V C101 87-010-178-080 CHIP CAP 1000P C102 87-010-178-080 CHIP CAP 1000P C103 87-010-402-080 CAP, ELECT 2.2-50V C104 87-010-40

45、2-080 CAP, ELECT 2.2-50V C107 87-010-406-080 CAP, ELECT 22-50V C108 87-010-406-080 CAP, ELECT 22-50V C109 87-010-322-080 C-CAP,S 100P-50 CH C110 87-010-322-080 C-CAP,S 100P-50 CH C111 87-010-260-080 CAP, ELECT 47-25V C112 87-010-260-080 CAP, ELECT 47-25V C113 87-A10-946-080 C-CAP,S 220P-100 J CH C11

46、4 87-A10-946-080 C-CAP,S 220P-100 J CH C117 87-010-400-080 CAP, ELECT 0.47-50V C118 87-010-400-080 CAP, ELECT 0.47-50V C121 87-010-178-080 CHIP CAP 1000P C122 87-010-178-080 CHIP CAP 1000P C123 87-010-176-080 C-CAP,S 680P-50 SL C124 87-010-176-080 C-CAP,S 680P-50 SL C125 87-012-368-080 C-CAP,S 0.1-5

47、0 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 F C130 87-010-191-080 C-CAP,S 0.015-50 F C131 87-010-197-080 CAP, CHIP 0.01 DM C132 87-010-197-080 CAP, CHIP 0.01 DM C133 87-010-197-080 CAP, CHIP 0.01 DM C140 87-012-141-080 C-CAP,S 0.22-16 ZF C203 87-010-178-080 C-CAP,S 1000P-50 KB C204 87-010-178-080 C-CAP,S 1000P-50 KB C209 87-010-403-080 CAP, ELECT 3.3-50V C210 87-010-403-080 CAP, ELECT 3.3-50V C211 87-010-181-080 CAP,CHIP S 1800P C212 87-010-181-080