Aiwa-CX-LFA600-Schematics 电路图 维修手册.pdf

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1、http:/servis- RadioFans.CN 收音机爱 好者资料库 2323 CX-LFA600 7-4. SCHEMATIC DIAGRAM BD SECTION See page 19 for Waveforms. See page 31, 32 for IC Block Diagrams. (A-MAX.3) TO MAIN BOARD CN102 (Page 26) A TO MAIN BOARD CN107 (Page 26) B RV101 IC102 CN102 R116 CN104 M101 M102 C152 CN101 R131 R118 R111 C103 C10

2、1 C111C108 C109 C102 C117 R123 C116 R114 C132 R122 R133 C115 R115 C107 Q101 C110 R132 R103 R120 R104 C153 R220 C151 R221 R226 R225 R227 R222 R224 R223 TP3 TP4 TP2 R202 R201 R252 R266 R218 R203 C226 IC101 C202 C205 C230 R151 C209 R204 R219 C112 R206 TP7 R265 TP5 R253C258 TP9 TP8 TP6 C104 C212 C114 C2

3、29 C213 C292 R250 C255 R251 R216 C259 C266 C253 R279 R255 R257 R276 R259 FB161 C251 C227 C222 C208 C203 R168 R166 C150C169 C231 C268 R249 R230 R260 C122 C316 R233 R231 R232 C156 C269 C263 R126 R125 R117 R113 L163 R309 R167 R169 R101 C113 IC103 R308C211 FB203 R310 FB201 FB204 IC121 C260 R313 R318 R32

4、1 R319 R316 R314 L101 R311 C314 C261 C265 FB351 IC104 C121 FB291 R291 R271 R272 C274 R275 C271 C267 FB103 R261 FB102 C249 FB104 C270 C257 C256 C250 X201 C254 R303 R205 C216 C224 C273 C313 C133 C131 C118 C119 R155 R207 C215 C264 R351 C310 R199 TP1 R152 R105 R102 47k 33k 0.1 16P 68k 10k 150k 470p 470p

5、 47 4V0.1 0.1 0.1B 0.1 3.3 0.1B 390k 0.022 100k 2.2k 10010V 33k 33p 2SB970 0.1B 330k 100k 120k 15k 0.1 1k 0.1 100 100 100 100 100 100 100 SE FE TE 10k 33k 1k 100k 47 4V CXD3068Q 0.1 0.1 0.1 1k 0.1 VC RFACI CKO RFAC RFDC 3300p 1000p BLM21P331 0.1 22010V 150 0 0 0 100 10V CXA2647N 0 0 0 0.01 1 220p 2.

6、2 0.068 1 1 0.47 B 0.1 0 SP 1k 15k AN41020A 100k 220 220 1k 1M 22p 100p 4.7k 3.3k 23P 11P 0 0 1M 220 220 100 100 1k 100 100 1000p 0.1 0.1 0.1 0.1 0.1 1500p 0.10.1 3300p 100 0.1 0.1 47 4V 47 4V 22010V 1000 6.3V 4700p 560 0.1 0.1 330 330 330 0.01 47k 47k 390k 2.7k 0 0 00.1 0 0 0 0 BA25BCOFP-E2 100 6.3

7、V 0 0 0 0 0 1 220 4V 47 4V 0 TC94A20F-CX4 0 0 10k 4.7k 0.01 10k 0.01 4700p 0 0.1 0 0.1 0 220p 0.33 0.1 0.1 16.9344MHz 22p 0 1k 0.1 0 1M 47 4V0 2.2k RadioFans.CN 收音机爱 好者资料库 2626 CX-LFA600 7-7. SCHEMATIC DIAGRAM MAIN SECTION See page 19 for Waveform. See page 33, 34 for IC Block Diagrams. 0 0 0 0 0 0

8、0 0 0 0 4.6 0.1 -4.7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2.2 0 -2.2 0 00 -2.2 0 04.0 04.4 00 -0.70.2 -0.70.2 10.2 10.2 10.2 10.2 10.0 -0.74.4 -2.2 4.4 0 04.0 00 -2.2 4.0 -2.2 4.0 0.2 10.0 0.2 0.8 0 0 0 9.8 16.5 18.0 1.0 0 0.60.1 17.2 0.7 10.3 10.2 9.4 0 4.8 1.8 10.2 8.9 8.9 0.7 1.4 0.9 1.5 4.5 0 0 5.1 4.6

9、0.6 0.6 0.6 0.1 2.9 4.9 0.6 0.2 0.6 0.9 0.9 0.6 4.8 0 0 0 2.4 2.4 38.0 38.1 -38.1 -38.3 0 0 0 0 0 0 0 0.6 36.8 0(0) 0(0.8) 0(0.8) 0(3.4) 0(1.9) 0(1.7) 0(0) 8.4 0.2 8.5 9.5 0 -42.9 -33.6 -33.1 5.1 No mark:FM ( ): CD play :TAPE stop 3 D00 TUCK D01 TUDO 0.45uH 0.45uH 0.45uH V V V V 6.8K 6.8K 16V MTZJ-T

10、-77-5.1B 10K 10K 1.2K 1.2K 15K MTZJ-T-72-8.2C MTZJ-T-72-8.2C 0.45uH 3.9K 3.9K V V 0.45uH 1.5K 1.5K 1.5K 1.5K 1.5K 1K 82 82 1K 2.7K 50V 50V 50V 50V 50V 50V 2.7K 3.9K 15K 15K 1.8K 3.9K 1.8K 47 V V 680P 680P 150 V 150 -T2B -T2B L-TL2 L-TL2 -G -G MTZJ-T-72-8.2C -T2B 390P 390P 10K 10K L L 0.027 L MTZJ-T-

11、72-8.2C MTZJ-T-72-8.2C 100P 50V MTZJ-T-72-8.2C MTZJ-T-72-8.2C -TR 220 220 0.45uH 0.45uH MTZJ-T-77-33D MTZJ-T-77-6.2B V V R 50V K -EF 82K10K MTZJ-T-72-8.2C MTZJ-T-72-8.2C MTZJ-T-72-8.2C MTZJ-T- 72-8.2C MTZJ-T-77-8.2C MTZJ-T-77-4.7B L-TE85R L-TE85R 470 22K -EF 1K 4.7K 25 G 4.7K L-TE85R L-TE85R 47 -G 1

12、6V MTZJ-T-77-4.7B L-TE85R-G MTZJ-T-72-8.2C L-TE85R TE85R L- L-TE85R-G L-TE85R L- TE85R 50V 50V 82P 82P TO CASSETTTE DECK MAIN BOARD PHONE BOARD TO BD BOARD CN104 (Page 23) B TO PT BOARD FW901 (Page 30) E TO BD BOARD CN102 (Page 23) A TO FRONT BOARD CN602 (Page 29) D TO FRONT BOARD CN601 (Page 29) C

13、AUX IN L R SUB WOOFER L SPEAKERS R FAN PHONES TUNER PACK HEAD (REC/PLAY/ERASE) R-CH REC/PB HEAD L-CH ERASE HEAD SOUND PROCESSOR IC101 POWER AMP IC102 DAC IC103 REC/PB SWITCH REC/PB SWITCH REC/PB SWITCH BIAS SWITCH BIAS OSC BIAS OSC Q101,Q102 - REC/PB SWITCH - REC/PB SWITCH REC/PB SWITCH +3.3V REG +V

14、M REG +VM REG +VM REG +3.3V REG SWITCH B+ SWITCH B+ SWITCH -VFL REG RELAY DRIVER DC DET AC DET DC DET SWITCH STADNBY SWITCH MUTING CONTROL MUTING MUTING OVER CURRENT DET Q4, Q5 - OVERLOAD DET - NOTE: RXXX RadioFans.CN 收音机爱 好者资料库 2929 CX-LFA600 7-10. SCHEMATIC DIAGRAM FRONT SECTION 0 0.3 0.3 0 5.0 5.

15、1 5.2 5.1 5.1 0 0 5.8 9.0 9.8 3.0 8.3 2.4 3.0 0.5 5.2 5.2 5.1 0 0 5.5 5.0 5.5 0 5.0 0 1.9 1.0 10.2 0.2 10.2 10.2 10.2 10.2 0 0 3.8 0 0 4.6 0 4.6 0 0 0 0 4.6 3.4 3.1 4.7 NO. VOLTAGE CHART IC601 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 VOLT 0 0 0 10.2 0 0 0 5.0 0 0 5.1 1.8 2.6

16、 0 2.4 2.5 5.0 5.1 5.1 5.1 5.1 5.1 1.9 2.8 NO. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 VOLT 5.5 0.2 0 5.1 -29.8 -29.8 -29.8 -29.8 -29.8 -29.8 -29.8 -29.8 -29.8 -29.8 -29.8 -28.7 5.1 -22.0 -29.0 -32.7 0 NO. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70

17、 71 72 73 74 75 VOLT 0 -15.1 -14.5 -15.1 -15.2 -8.6 -8.1 -21.6 -29.0 -29.0 -8.4 -25.4 -25.4 -29.0 -29.3 -29.0 0 4.6 0 0 0 5.0 5.0 0.3 1.0 NO. 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 VOLT 4.8 0 4.8 4.9 0 0.4 4.8 0 5.0 5.0 5.0 5.0 0 5.0 0 0.5 0.1 4.6 1.7 4.6 5.0 0 4

18、.6 4.8 0 0 0 10.2 10.2 3.9 3.9 5.25.1 45 No mark:CD stop :TAPE play CLOSE OPEN + - MTZJ-T-72-8.2C BCF-E2 MTZJ-T- 72-8.2C G -TP MTZJ-T-82-7.2C L-TE85R L-TE85R V 10 10 10 10 4.7 100 68K 100 1K 100P 100P 100P 100P 100P TCAF 50V -TP MTZJ-T-72-8.2C MTZJ-T-72- 8.2C MTZJ-T-72- 8.2C L-TE85R 220 4.7K 0.45uH

19、27 -T146 50V 2SA1296GR-(TPE2) A-T146 MTZJ-T-72-8.2C RPM 50V SLR-342VCT31 10 52C4-E IC606 IC605 IC604 IC603 IC602 FRONT BOARD TO MAIN BOARD CN105 (Page 26) C TO MAIN BOARD CN106 (Page 26) D LOADING BOARD TAPE MECHANISM DECK REMOTE CONTROL RECEIVER ECO IC601 SYSTEM CONTROLLER MOTOR DRIVER RESET IC B/D

20、 LEVEL SHIFT SHIFT REGISTER IC B/D FLUORESCENT INDICATOR TUBE M901 (LOADING) S1 (LEAF) POWER SWITCH POWER CONTROL +5V REG +5V REG +5V REG RESET SWITCH SWITCH MOTOR DRIVER MOTOR DRIVER T SOL DRIVER NOTE: RXXX CD u TUNER BAND TAPE Y AUXOPEN/ CLOSE STOP x + M -. m REC START REC PAUSE SYNCRO REC ECORDSPOWER 1STANDBY/ON BASSTREBLEVOLUME See page 19 for Waveforms. See page 34 for IC Block Diagrams.