Aiwa-CDC-R227-Service-Manual 电路图 维修手册.pdf
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1、SERVICE MANUAL DATA CDC-R227YZ(S) STEREO CAR CD STEREO S/M Code No. 09-026-458-8R1 REVISION BASIC CD MECHANISM : BZG-3 CNF This service Manual is the “Revision Publishing” and replaces “Simple Manual” CDC-R227 (S/M Code No.09-026-458-8T1) RadioFans.CN 收音机爱 好者资料库 -2- SPECIFICATIONS.3 PROTECTION OF EY
2、ES FROM LASER BEAM DURING SERVICING .4 PRACAUTION TO REPLACE OPTICAL BLOCK (OPTIMA720 JVC) .5 CAUTION WHEN SERVICING .6 ACCESSORIES PARTS LIST .7 ELECTRICAL PARTS LIST .8 17 TRANSISTOR ILLUSTRATION .18 SCHEMATIC DIAGRAM 1 (MAIN) .19 WIRING 1 (MAIN) .20 SCHEMATIC DIAGRAM 2 (FRONT / AUX) .21 WIRING 2
3、(FRONT / AUX) . 22,23 SCHEMATIC DIAGRAM 3 (CD / FLEX / SW) .24 WIRING 3 (CD) . 25,26 WIRING 4 (FLEX / SW) .27 VOLTAGE CHART .28 31 LCD DIAGRAM (CKC-A-G-H) . 32,33 IC BLOCK DIAGRAM.34 37 IC DESCRIPTION.38 42 MECHANICAL EXPLODED VIEW. 43 MECHANICAL PARTS LIST .44 COLOR NAME TABLE.45 CD MECHANISM EXPLO
4、DED VIEW (BZG-3 CNF) . 46 CD MECHANISM PARTS LIST (BZG-3 CNF) .47,48 OTHER PARTS LIST (CDC-R227) .49 OTHER PARTS LIST (BZG-3 CNF) .50 TABLE OF CONTENTS -1/1 RadioFans.CN 收音机爱 好者资料库 -3- RADIO SECTION (FM) Frequency Range: 87.5 MHz 108 MHz Usable Sensitivity: 12.7 dBf 50 dB Quieting Sensitivity: 17.2
5、dBf IF Rejection: 100 dB Frequency Response: 30 Hz 15,000 Hz S/N Ratio: 67 dB Stereo Separation: 35 dB at 1 kHz Alternate Channel Selectivity: 98 dB Capture Ratio: 3 dB (MW) Frequency Range: 531 kHz 1,602 kHz Usable Sensitivity: 30 V (30 dB) (LW) Frequency Range: 144 kHz 288 kHz (1-kHz/9-kHz setps)
6、Usable Sensitivity: 30 V (30 dB) CD SECTION Frequency Response: 17 Hz 20 kHz +0/3 dB Dynamic Range: More than 92 dB Channel Separation: More than 60 dB S/N Ratio: More than 92 dB Wow/Flutter: Unmeasurable Design and specifications are subject to change without notice. AUDIO SECTION Max. Power Output
7、: 45 W x 4 channels AUX input Input Sensitivity (load impedance) AUX: 300 mV (10 kohm) GENERAL Power-Supply Voltage: 14.4 V (11 to 16 V allowable), DC, negative ground Load Impedance: 4 ohm Tone Control: Bass 10 dB at 100 Hz, Treble 10 dB at 10 kHz Preamp Output Voltage (load impedance): 2.2 V (10 k
8、ohm) Installed Size: 182 (W) x 53 (H) x 155 (D) mm Supplied Accessory:Carrying case(1) SPECIFICATIONS -1/1 RadioFans.CN 收音机爱 好者资料库 -4- PROTECTION OF EYES FROM LASER BEAM DURING SERVICING -1/1 VAROITUS! Laiteen Kyttminen muulla kuin tss kyttohjeessa mainit- ulla tavalla saattaa altistaa kyt-tjn turva
9、llisuusluokan 1 ylit- 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. Caution: Invisible laser radiation when open and interlocks defeated a
10、void expo- sure to beam. Advarsel:Usynling laserstling ved bning, nr sikkerhedsafbrydere er ude af funktion. Undg udsttelse for strling. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. ATTENTION Lutilis
11、ation 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 product. T
12、he 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 servicing. WARNING! WHEN SERVICING, DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSI
13、ON. 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 LASER PRODUCT LASER PRODUKT LASER LAITE LASER APPARAT -5- PRECAUTION TO REPLACE OPTICAL BLOCK -1/1 (OPTIMA720 JVC) Solder 1) After the conne
14、ction, 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 diode. -6- CAUTION WHEN SERVICING -1/1 1. Procedure For Disassembly 1) Remove COVER TOP an
15、d 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 Fig-2 Fig-1 Fig-2 -7- != ! SAFTY PARTS C= Components marked All components used on this model at the
16、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 parts for service and will be stocked at the spare parts centers. Components marked X and R are n
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