Aiwa-CDC-X2250-X2270-Service-Manual 电路图 维修手册.pdf

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1、SERVICE MANUAL DATA CDC-X2250 CDC-X2270 S/M Code No. 09-025-454-4R3 REVISION YL YL BASIC CD MECHANISM : BZG-3 BNF This Service Manual is the Revision Publishing and replaces Simple Manual CDC-X2250/X2270, (S/M Code No. 09-022-454-4T2). STEREO CAR CD RECEIVER RadioFans.CN 收音机爱 好者资料库 2 SPECIFICATIONS

2、.3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING .4 CAUTION WHEN SERVICING.5 ELECTRICAL PARTS LIST (CDC-X2250/X2270) .6 10 ELECTRICAL PARTS LIST (CZA-4 SNYNF) .11 13 ELECTRICAL PARTS LIST (BZG-3 BNF).14 TRANSISTOR ILLUSTRATION.15 WIRING 1 (MAIN).16 SCHEMATIC DIAGRAM 1 (MAIN) .17 WIRING 2 (FRON

3、T / AUX) .18 WIRING 2 (FRONT) .19 SCHEMATIC DIAGRAM 2 (FRONT / AUX).20 WIRING 3 (CD) .21 WIRING 3 (CD) .22 SCHEMATIC DIAGRAM 3 (CD / FLEX / SW) .23 WIRING 4 (FLEX / SW) .24 LCD DIAGRAM .25, 26 IC BLOCK DIAGRAM .27 IC DESCRIPTION .28 35 VOLTAGE CHART .36 44 TEST MODE .45 MECHANICAL EXPLODED VIEW . 46

4、 MECHANICAL PARTS LIST .47 COLOR NAME TABLE.48 CD MECHANISM EXPLODED VIEW. 49 CD MECHANISM PARTS LIST.50 ACCESSORIES PARTS LIST .51 OTHER PARTS LIST (CDC-X2250/X2270) .52 OTHER PARTS LIST (BZG-3 BNF) .53 TABLE OF CONTENTS RadioFans.CN 收音机爱 好者资料库 3 SPECIFICATIONS RADIO SECTION (FM) Frequency Range: 8

5、7.5 MHz 108 MHz Usable Sensitivity: 12.7 dBf 50 dB Quieting Sensitivity: 17.2 dBf IF Rejection: 100 dB Frequency Response: 30 Hz 15,000 Hz S/N Ratio: 70 dB Stereo Separation: 35 dB at 1 kHz Alternate Channel Selectivity: 90 dB Capture Ratio: 3 dB (AM) Frequency Range: 530 kHz 1,710 kHz Usable Sensit

6、ivity: 30 V (30 dB) CD SECTION Frequency Response: 17 Hz 20 kHz +0/3 dB Dynamic Range: More than 85 dB Channel Separation: More than 60 dB S/N Ratio: More than 90 dB Wow/Flutter: Unmeasurable AUDIO SECTION Max. Power Output: 45 W x 4 channels Design and specifications are subject to change without n

7、otice. AUX input Input Sensitivity (load impedance) AUX: 300 mV (10 kohms) GENERAL Power-Supply Voltage: 14.4 V (11 to 16 V allowable), DC, negative ground Load Impedance: 4 ohms Tone Control: Bass 10 dB at 100 Hz, Treble 10 dB at 10 kHz Preamp Output Voltage (load impedance): 2.2 V (10 kohms) Insta

8、lled Size: 182 (W) x 53 (H) x 155 (D) mm SPEAKERS Dimensions (Unit: mm) Type: Coaxial 2-way, Woofer 160 mm, Tweeter 50 mm Frequency response: 90 - 20,000 Hz Sound pressure level: 90 dB Maximum input power: 40 W Impedance: 4 ohms Weight: 581 g RadioFans.CN 收音机爱 好者资料库 4 This set employs laser. Therefo

9、re, 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 OBJECTIVE LENS

10、 ON THE OPTICAL PICK-UP BLOCK. Caution: Invisible laser radiation when open and interlocks defeated avoid exposure to beam. Advarsel: Usynlig laserstling ved bning, nr sikkerhedsafbrydere er ude af funktion. Undg udsttelse for strling. VAROITUS! Laiteen Kyttminen muulla kuin tss kyttohjeessa mainitu

11、lla 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 B

12、EAM 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 radia

13、tions. 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. CLASS 1LASER PRODUCT KLASSE 1LASER PRODUKT LUOKAN 1

14、LASER LAITE KLASS 1LASER APPARAT Precaution to replace Optical block (OPTIMA720 JVC) 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 i

15、n right figure. Solder 5 CAUTION WHEN SERVICING 1. Procedure For Disassembly 1) Remove COVER TOP and COVER BOTTOM. 2) Remove the screws (indicated with arrows) from CD MECHANISM. Refer to Fig. 1 2. Servicing Position Remove CD MECHANISM and check the movement while in a stable condition. Refer to Fi

16、g-2 Fig-1 Fig-2 != ! SAFETY PARTS C= Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare p

17、arts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX output data. 62CEOSerial data interface pin; chip

18、enable. 63CLOSerial data interface pin; synchronization. 64DIOSerial data interface pin; data transferred. IC, LC75853NW 35 41TUN(R)ISignal input pins. 42 CHG(R) - Not used. 43AUX(R)ISignal inputs pins. 44RSELOOInput selector output pins. 36 40 S36 S40 - Not used. 4 S4 - Not used. 36 IC201, LA9241ML

19、 VOLTAGE CHART PIN NO.CDTUNERAUX 12.500 22.500 32.5300 42.4900 52.5100 62.5100 72.5100 82.5200 92.5100 102.5100 112.5100 122.5100 132.500 142.5100 152.500 162.6100 172.5200 182.4200 192.5200 202.5300 212.5100 22000 23000 242.4700 252.4700 262.600 27DATA00 282.4900 29DATA00 30DATA00 31DATA00 32000 33

20、000 344.9300 35000 36DATA00 37DATA00 38DATA00 39DATA00 40DATA00 412.2900 PIN NO.CDTUNERAUX 422.400 432.4100 442.500 45000 462.5100 472.4100 48000 49000 502.4100 514.800 52DATA00 53DATA00 544.8400 55000 564.9300 572.5100 582.5100 592.3900 602.500 612.2200 623.7100 630.1900 644.9100 37 IC202, LC78622N

21、E PIN NO.CDTUNERAUX 42000 434.7900 441.7500 451.8500 46000 470.100 480.0200 490.1100 502.4700 51000 522.4600 532.000 54000 55000 56000 574.800 584.8800 59000 601.9300 612.3400 62000 63000 64000 PIN NO.CDTUNERAUX 1000 2000 31.5500 4000 51.7700 64.6900 70.3300 8000 92.4900 102.3900 11000 12DATA00 13DA

22、TA00 14DATA00 15DATA00 16DATA00 17000 184.9200 19000 20000 212.3500 224.9300 234.9300 240.200 250.200 260.200 270.200 280.200 29000 30000 312.4700 32000 33000 34000 35000 364.900 372.0300 38000 39000 402.0300 414.9600 38 RAUX 9000 104.254.254.25 114.274.274.27 124.254.254.25 134.284.284.28 144.274.2

23、74.27 15000 16DATADATADATA 17DATADATADATA 18DATADATADATA 194.274.274.27 204.284.284.28 214.284.284.28 224.254.254.25 234.284.284.28 244.254.254.25 25000 26000 274.254.254.25 284.284.284.28 294.284.284.28 304.274.274.27 314.274.274.27 324.274.274.27 334.24.24.2 344.284.284.28 354.254.254.25 364.274.2

24、74.27 374.254.254.25 384.254.254.25 398.148.148.14 404.254.254.25 414.254.254.25 424.274.274.27 434.254.254.25 444.284.284.28 IC203, LA6557H PIN NO.CDTUNERAUX 17.100 20.1700 30.1700 43.200 53.200 63.300 73.100 83.500 92.900 103.500 112.900 127.100 132.600 142.5800 152.6400 162.5800 172.600 182.5800

25、196.500 205.100 212.5800 227.200 232.5800 242.5800 254.700 26000 27000 28000 29000 30000 PIN NO.CDTUNERAUX 14.24.24.2 24.264.264.26 34.264.264.26 44.284.284.28 54.284.284.28 64.284.284.28 74.284.284.28 8000 IC401, LC75374E 39 IC501, LA4743J PIN NO.CDTUNERAUX 1000 2000 32.752.752.75 44.764.764.76 52.

26、742.742.74 614.3814.3814.38 72.752.752.75 8000 92.682.682.68 1013.1713.1713.17 113.043.043.04 123.093.093.09 13000 143.093.093.09 153.043.043.04 162.292.292.29 172.712.712.71 18000 192.732.732.73 2014.3814.3814.38 212.762.762.76 224.544.544.54 232.722.722.72 24000 25000 PIN NO.CDTUNERAUX 142.452.452

27、.45 152.452.452.45 162.452.452.45 172.452.452.45 182.452.452.45 192.452.452.45 202.452.452.45 212.452.452.45 222.452.452.45 232.452.452.45 242.452.452.45 252.452.452.45 262.452.452.45 272.452.452.45 282.452.452.45 292.452.452.45 302.452.452.45 312.452.452.45 322.452.452.45 332.452.452.45 342.452.452

28、.45 352.452.452.45 362.452.452.45 372.452.452.45 382.452.452.45 392.452.452.45 402.452.452.45 412.452.452.45 422.452.452.45 432.452.452.45 444.94.94.9 454.94.94.9 464.94.94.9 474.94.94.9 484.94.94.9 494.94.94.9 50000 51000 52000 53000 54000 PIN NO.CDTUNERAUX 14.7/04.7/04.7/0 20/4.70/4.70/4.7 34.7/04

29、.7/04.7/0 44.84.84.8 52.452.452.45 62.452.452.45 72.452.452.45 82.452.452.45 92.452.452.45 102.452.452.45 112.452.452.45 122.452.452.45 132.452.452.45 IC601, LC75853NW 40 PIN NO.CDTUNERAUX 55000 564.94.94.9 573.263.263.26 581.651.651.65 59000 600.80.80.8 614.94.94.9 62DATADATADATA 63DATADATADATA 64D

30、ATADATADATA PIN NO.CDTUNERAUX 12.42.42.4 2000 3000 4000 5000 6DATADATADATA 74.954.954.9 8DATADATADATA 9DATADATADATA 10DATADATADATA 11DATA00 12000 134.7800 144.925.034.9 15000 16000 17000 1804.90 19000 20DATADATADATA 21000 22000 23000 24000 25000 26000 27000 28000 IC901, LC72358N-9A70 PIN NO.CDTUNERA

31、UX 29000 30000 314.94.94.9 32DATADATADATA 33000 34000 35000 36000 374.82/000 38000 394.8700 404.874.84.8 414.874.84.8 424.94.84.8 434.94.94.9 44000 454.94.94.9 464.9100 47DATA00 48DATA00 494.8500 50000 514.924.924.92 524.924.94.9 534.794.794.78 540.050.050.05 554.954.954.94 56000 57000 58000 59000 6

32、0000 61000 624.924.924.91 63000 64DATADATADATA 653.283.283.31 664.854.854.8 674.634.624.63 684.844.844.85 694.864.884.87 41 PIN NO.CDTUNERAUX 7002.510 71000 72000 734.884.894.88 7400/2.340 7502.45/00 76000 77000 780.970.971.02 79000 802.492.462.47 TU101, FAE347-A30 PIN NO. ANT INPUT OPENANT STANDARD

33、 INPUT FMAMFMAM 10000 20000 30000 47.820.27.650.21 50000 63.423.423.423.42 70000 80000 908.709.15 100000 110000 128.208.080 138.538.48.448.92 143.413.423.423.42 150000 163.413.443.393.42 173.363.413.393.42 180000 190000 200.010.0100 210.640.56.135.55 224.94.844.564.54 230.070.040.950.84 244.071.214.

34、011.21 258.58.48.458.29 262.380.070.060.07 ANT standard inputModulationModulation frequencyTuning range FM : 1 mV(60 dBuV)75 kHz (100%)1 kHz98 MHz AM : 5 mV(75 dBuV)30%400 kHz1000 kHz 42 PIN NO.CDFMAMAUX B1.051.061.051.04 C1.43.423.391.7 E0.590.60.60.59 B9.169.068.69.2 C00.369.20 E9.389.29.39.45 B9.

35、249.00.039.24 C9.459.29.39.44 E8.548.308.54 B004.780 C9.259.00.039.24 E0000 B0.60.60.60.59 C1.43.423.398.66 E0000 B0000 C7.877.70.077.86 E0000 B3.71000 C1.84000 E4.38000 B4.88000 C2.51000 E2.51000 B4.88000 C2.51000 E2.51000 B4.88000 C2.51000 E2.51000 B4.88000 C2.51000 E2.51000 B0000 C0.2000 E0000 B6

36、.60.40.40.5 C5.1000 E7.20.40.40.5 REF. NO. Q101 Q105 Q106 Q107 Q10? Q109 Q201 Q202 Q203 Q204 Q205 Q206 Q207 43 PIN NO.CDFMAMAUX B0000 C0000 E0000 B0000 C0000 E0000 B0000 C0000 E0000 B0000 C0000 E0000 B4.854.734.84.85 C0.030.020.030.03 E0000 B0000 C01.00.80.8 E0.030.020.030.03 B1.11.11.11.1 C4.14.14.14.1 E0.50.50.50.5 B7.897.897.897.89 C0000 E4.64.64.64.6 B7.977.977.977.97 C0000 E4.864.864.864.86 B4.7/0 C0/4.7 E0 B0/4.7 C8.2/0 E0 B4.7/0 C0/8.2 E0 B13.6313.6513.6413.65 C14.3214.3114.3114.34 E14.3614.3814.3914.38