Aiwa-FR-A255-Service-Manual 电路图 维修手册.pdf

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1、RADIO RECEIVER FR-A255 S/M Code No. 09-992-324-2R2 EZ(B) SERVICE MANUAL REVISION This Service Manual is the “Revision Publishing” and replaces “Simple Manual” FR-A255 EZ(S/M Code No.09-992-324-2T2). DATA RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS Power sourceAC 230 V, 50 Hz Output280 mW (EIAJ) Power con

2、sumption4 W Speaker57 mm, 8 ohms Frequency rangeFM : 87.5 - 108 MHz AM : 530 - 1,605 kHz AntennasFM wire antenna Ferrite bar antenna for AM Dimensions (W x H x D) 124 x 126 x 160 mm (5 x 5 x 63/8 in.) Weight708 g (1.56 lbs.) Design and specifications are subject to change without notice RadioFans.CN

3、 收音机爱 好者资料库 REF. NOPART NO.KANRIDESCRIPTION NO. REF. NOPART NO.KANRIDESCRIPTION NO. ELECTRICAL MAIN PARTS LIST Regarding connectors, They are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is recei

4、ved. ! IC S2-516-191-000 IC,CXA1619AS(RF+1F+AUDIO) S1-88A-008-A00 IC,LM8562 TRANSISTOR S1-71H-003-E00 TR,A1267-Y DIODE 82-135-799-080 DIODE,1N4148 S1-722-400-100 DIODE,1N4001 MAIN C.B BA51 S6-45A-011-A00 BATT SNAP TERMI C8 87-015-968-010 CAP,E 4.7UF-10V C9 SC-E10-614-280 CAP,E 10.0UF-10V C12 87-010-

5、264-010 CAP,E 100.0UF-10V C13 87-010-236-080 CAP,E 1000.0UF-10V C16 87-010-480-080 CAP,E 220UF-16V C19 87-010-264-010 CAP,E 100.0UF-10V C22 SE-C47-410-V05 CAP,E 0.47UF-10V C52 SC-E10-614-280 CAP,E 10.0UF-10V C54 87-010-480-080 CAP,E 220UF-16V CF1 S3-33A-008-A00 AM C/FILTER SFU450B CF2 S3-32A-012-A00

6、 FM C/FILTER SFE10.7 L1 S2-10A-063-A00 AM ANT COIL L4 S2-24A-032-A00 AM OSC COIL 7-7-2 A106 L5 S2-14A-034-A00 CHOKE COIL 47UH TYPE 4-6 L53 S2-15A-030-A00 LOADING COIL 4.5P L54 S2-15A-030-A00 LOADING COIL 4.5P LD51 S2-00A-005-A00 LED DISPLAY PVC1 S2-61A-031-A00 PVC SP1 S3-23A-025-A00 SPAEKER 57P/8 OM

7、 0.5W FER/MAG SW1 S2-81A-055-A00 SLIDE SW 2C-2P RG 4MM(BAND) SW51 S2-81A-056-A00 SLIDE SW 2C-4P RG 4MM(POWER) SW52 S2-81A-057-A00 SLIDE SW 4C-3P(ALARM) SW55 S6-42A-065-A00 TACT SW TS114-16 SW56 S6-42A-065-A00 TACT SW TS114-16 SW57 S6-42A-065-A00 TACT SW TS114-16 SW58 S6-42A-065-A00 TACT SW TS114-16

8、SW59 S6-42A-065-A00 TACT SW TS114-16 SW60 S6-42A-065-A00 TACT SW TS114-16 T1 S2-20A-025-A00 FM IFT 7-7-2 D30045 T2 S2-22A-028-A00 AM IFT 7-7-2 2B467 TF51 S4-01A-024-A00 POWER TRANS VR1 S2-56A-015-A00 VR,50K-B POINT CONTACT RadioFans.CN 收音机爱 好者资料库 SCHEMATIC DIAGRAM _ 1 MAIN C.B WIRING - 1 MAIN C.B PV

9、C1 L1 AM ANT (SW53:NOT USE) WIRING - 2 MAIN C.B TRANSISTOR ILLUSTRATION B C E A1267Y ELECTRICAL ADJUSTMENT ELECTRICAL ADJUSTMENT 1. AM IF Adjustment Setting : Test point : TP1, 2(IN), TP8, 9(OUT) T2 . . . . . . . . . . . . . . . . . . . . . 450 kHz 2. FM IF Adjustment Setting : Test point : TP2, 3(I

10、N), TP8, 9(OUT) IT1 . . . . . . . . . . . . . . . . . . . . 10.7 MHz 3. AM FREQ, RANGE Adjustment Setting : Test point : L1(IN), TP6, 7, 8, 9(OUT) L4 . . . . . . . . . . . . . . . . . . . . . 515 kHz TC4 . . . . . . . . . . . . . . . . . . . . 1635 kHz 4. AM Tracking Adjustment Setting : Test point

11、: L1(IN), TP6, 7(OUT) L1 . . . . . . . . . . . . . . . . . . . . . 600 kHz TC1 . . . . . . . . . . . . . . . . . . . . 1400 kHz 5. FM FREQ, RANGE Adjustment Setting : Test point : TP4, 5(IN), TP6, 7, 8, 9(OUT) L3 . . . . . . . . . . . . . . . . . . . . 87.4 MHz TC3 . . . . . . . . . . . . . . . . .

12、. 108.3 MHz 6. FM Tracking Adjustment Setting : Test point : TP4, 5(IN), TP6, 7(OUT) TC2 . . . . . . . . . . . . . . . . . . . 106 MHz PRACTICAL SERVICE FIGURE SensitivityLess than 50 dB (600 kHz) (S/N 10dB)Less than 46 dB (1000/1400 kHz) S/N (Input 60dB)Less than 21 dB (600 kHz) Less than 24 dB (10

13、00/1400kHz) DistortionLess than 5 % (1000 kHz) Intermediate frequency 450kHz Sensitivity (3% dist.)Less than 20 dB (88/98/108 MHz) S/N (at 60dB)Less than 50 dB (98 MHz) Distortion (at 60dB)Less than 3% (98MHz) Intermediate frequency 10.7MHz IC BLOCK DIAGRAM IC,LM8562 IC,CXA1619S MECHANICAL EXPLODED

14、VIEW - 1/1 SPEC LABEL SPEAKER SCREW PVC PLATE SCREW POWER CORD SCREW 14 REF. NOPART NO.KANRIDESCRIPTION NO. MECHANICAL PARTS LIST 1/1 Basic color symbolColorBasic color symbolColorBasic color symbolColor BBlackCCreamDOrange GGreenHGrayLBlue LTTransparent BlueNGoldPPink RRedSSilverSTTitan Silver TBro

15、wnVVioletWWhite WTTransparent WhiteYYellowYTTransparent Yellow LMMetallic BlueLLLight BlueGTTransparent Green LDDark BlueDTTransparent Orange COLOR NAME TABLE 1 S6-73A-033-A00 CAB,TOP(FRA255U) 2 S6-74A-042-A00 CAB,BOTTOM 3 S6-87A-079-A00 DIAL LENS 4 S6-97A-011-A00 BATTERY COVER 5 S6-12A-050-A00 LED

16、BRACKET 6 S7-08A-045-A00 TUNING KNOB(D-GRY) 7 S7-08A-055-A00 VOLUME KNOB 8 S7-01A-021-A00 DIAL POINTER 9 S7-08A-065-A00 POWER KNOB 10 S7-08A-075-A00 KNOB BAND 11 S7-08A-051-A00 CLOCK BUTTON 12 S7-08A-085-A00 SNOOZE BUTTON 13 S6-12A-041-A00 ANT HOLDER 14 S7-08A-075-A00 KNOB BAND 15 S6-35A-010-A00 RUBBER FOOT(BLK) REF. NOPART NO.KANRIDESCRIPTION NO. ACCESSORIES LIST 1 S8-00A-265-A00 INSTRUCRION BOOK 2 S8-00A-266-A00 INSTRUCTION BOOK 3 S8-00A-267-A00 INSTRUCTION BOOK 931196 Printed in Singapore 211, IKENOHATA 1CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111