Jvc-KSFX-845-R-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LIMITED No.49873 2003/6 CASSETTE RECEIVER 4987320035 KS-FX845R TABLE OF CONTENTS 1Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2、 2Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 3Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . . . . . . . 1-19 4Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23 KS-FX845R Area Suffix EE - Russian Federation RadioFans.CN 收音机爱 好者资料库 1-2 (No.49873) SPECIFICATION Design and specification

4、s are subject to change without notice. AUDIO AMPLIFIER SECTION Maximum Power OutputFront45 W per channel Rear45 W per channel Continuous Power Output (RMS) Front17 W per channel into 4 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Rear17 W per channel into 4 40 Hz to 20 000 Hz

5、at no more than 0.8% total harmonic distortion. Load Impedance 4 (4 to 8 allowance) Tone Control Range Bass10 dB at 100 Hz Treble10 dB at 10 kHz Frequency Response40 Hz to 20 000 Hz Signal-to-Noise Ratio70 dB Line-Out Level/Impedance2.0 V/20 k load (250 nWb/m) TUNER SECTION Frequency RangeFM1/FM287.

6、5 MHz to 108.0 MHz FM365.00 MHz to 74.00 MHz AM(MW) 522 kHz to 1 620 kHz (LW) 144 kHz to 279 kHz FM TunerUsable Sensitivity11.3 dBf (1.0 V/75 ) 50 dB Quieting Sensitivity 16.3 dBf (1.8 V/75 ) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation35 dB C

7、apture Ratio1.5 dB MW TunerSensitivity20 V Selectivity35 dB LW TunerSensitivity50 V CASSETTE DECK SECTION Wow Hinput L 41LCD-DAOData output for LCD driver 42LCD-SCKOCLK output for LCD driver 43LCD-CEOCE for LCD driver 44no use-Not used 45E2PROM-DIII2C data input 46E2PROM-DOOI2C data output 47E2PROM-

8、CLKOI2C clock output 48OPENIDOOR OPEN SW 49,50no use-Not used (No.49873)1-29 51,52no use-Not used 53SD/STIStation detector or streo indicator input ; H means a station is there. L means the program is stereo. 54no use-Not used 55MONOOMonaural selection output ; H means monaural 56 to 60no use-Not us

9、ed 61DETACHIDetach detect input ; H means detaching 62AFCKOA check outpu 63SEEK/STOPOAuto seek and stop selecting output ; H means seeking L means receiving. 64IF CONTOIF control output 65FM/AMOFM AM band selecting output ; H = FML= AM 66PAL-CUEOCUE output for PAL ICE 67PAL-DOOData output for PAL IC

10、E 68PAL-CLKOClock output for PAL ICE 69PAL-DIIData input from PAL ICE 70TEL-MUTINGITelephone muting detection input ; Active level can be selected H or L in PSM 71no use-Not used 72VSSGND 73no use-Not used 74PS1IPower Save1 L= ACC off 75POWEROPower ON/OFF control output H=power on 76no use-Not used

11、77MUTINGOMuting output L=muting on 78 to 80no use-Not used 81VDDMicon power supply 82no use-Not used 83VOL-DAOData output for e-vol ICE 84VOL-CLKOClock output for e-vol ICE 85 to 89no use-Not used 90STAGE1IFeature selection (refer to tabel1) 91MOTOROMain motor control H:Motor drive 92FF/REWOAudio le

12、vel control for MS H:Play mode L:FF/REW mode 93HEAD SEL(F/R)OAudio signal selector for head amp H:REV L:FWD 94TESTFor rewriting flash memory 95DOLBYODolby ON/OFF control H:Dolby on 96MS INIMS signal input L:no music 97REELIReel pulse signal input (Pulse signal) 98SUBMO-OSub motor control. Eject dire

13、ction 99SUBMO+OSub motor control. Loading direction 100MODEIMecha position detection signal Pin No.SymbolI/O Function 1-30 (No.49873) 4.7BR24L16F-W-X (IC771) : EEPROM Pin layout Pin function Block diagram 4.8RPM6938-SV4 (IC602) : Remote control receiver Pin diagram Block diagram VCCWPSCLSDA A0A1A2GN

14、D SymbolI/OFunction VCC-Power supply. GND-GND A0,A1,A2INo use connect to GND. SCLISerial clock input. SDAI/OSerial data I/O of slave and ward address. WPIWrite protect terminal. 8 Vcc 7 WP 6 SCL 5 SDA A0 1 A1 2 A2 3 GND 4 16kbit EEPROM allay 11bit 11bit 8bit Address decoder Slave Ward Address resist

15、er Data resister START STOP ACK Control circuit High voltage osc circuit Power supply voltage det. 123 Vcc Vcc Comp AGC AMP PD DetectorBPF fo trimming circuit I/V conversion magneticshield Rout GND 22k (No.49873)1-31 4.9HA12231FP-X (IC401) : PB Equalizer/Line Mute/Music Sensor Pin layout () a LOUD (

16、) s EQ () d (tape-in) f TAPE g CD-CH ( -) h FM (FM1, FM2, FM3) j AM k MO (), ST () l RDS AF, REG, TP, PTY / ( ) z MP3 MP3 - JVC, MP3. x () -. c v RND () -. b RPT () 1 2 3 (/ ) 4 SEL () 5 FM/AM (DAB) 6 5 () 23 ( ) 7 0 () 8 4 / 9 ( ) p DISP () SSM M (MODE) (). q M (MODE) () SSM DISP (). w e EQ () r MO

17、 () t RPT () y RND () -. u i T (TP/PTY: / ) o TAPE (CD-CH: -) RU04-04_KS-FX845REEf.p653/13/03, 5:19 PM4 5 CCK 1 . : 2 , . , . 2 . , (FM ), 7 17. , , 18 20. - -, 27 30. (LINE IN), y 31. DAB, 32 35. 3 . 4 , . ( 21 22). . “” , . , , . . 1 . “SEE YOU” ( ), . 231 ( ) ( y 25) . RU05-06_KS-FX845REEf.p653/1

18、3/03, 5:21 PM5 6 CCK 24 , 12 . 1 SEL () 2 , PSM. (PSM: y 24). 2 . 1 “CLOCK H” ( ), . 2 . 3 . 1 “CLOCK M” ( ). 2 . 4 . 1 “24H/12H” (24/12). 2 “24H” (24 ) “12H” (12 ). 12 12 5 . DISP (). : : RDS y 16. DAB y 33. : -: : : , 5 . . (TAPE) 12 LINE IN RU05-06_KS-FX845REEf.p653/5/03, 2:34 PM6 7 CCK . : 1 (FM

19、1 3, AM). : : FM (FM1, FM2, FM3). , FM. 2 . , , . , , , , . : FM1 FM2: 87,5 108,0 FM3: 65,00 74,00 . FM- . FM1FM2FM3AM , , RU07-10_KS-FX845REEf.p653/13/03, 5:48 PM7 8 CCK FM: 1 M (MODE) (), FM. 2 (), , , . MO , . MO, , , , . MO () : 1 (FM1 3, AM). : : FM (FM1, FM2, FM3). , FM. 2 4 , “M” (). 3 , , “M

20、” (). , 5 . , : 50 (87,5 108,0 FM 1 FM 2), 30 (65,00 74,00 FM 3) 9 AMMW/LW, . FM1FM2FM3AM RU07-10_KS-FX845REEf.p653/5/03, 2:34 PM8 9 CCK : FM: SSM ( ) , FM, FM: SSM 6 FM FM (FM1, FM2 FM3). 1 FM (FM1 3), FM. : 2 2 . FM , (FM1, FM2 FM3). 1 ( ) 6 ( ). , 1. “- -SSM- -” , , . 6 (FM1, FM2, FM3 AM) . .: ,

21、FM 92,5 1 FM1. 1 (FM1 3, AM), ( FM1). : 2 ( 92,5 ). FM1FM2FM3AM FM1FM2FM3AM RU07-10_KS-FX845REEf.p653/5/03, 2:34 PM9 10 CCK 3 ( 1) 2 . 4 , . : , . , (, ). , . . , . , “ ” 9 10. 1 (FM1 3, AM). : 2 (1 6) , . “P1” . FM1FM2FM3AM RU07-10_KS-FX845REEf.p653/5/03, 2:34 PM10 11 CCK RDS RDS RDS ( ) FM . , , ,

22、 , , . RDS , “Enhanced Other Networks” (“ ”). , , , , , , . RDS : (- ) TA ( ) PTY ( ) (- ) FM, RDS, . , , . ( 17). - RDSPI ( ) AF ( ). RDS, , . , - , . “AF” . AF: . , , , . ( , ). AF , REG . AF REG: . , , , , . AF, REG. OFF: . AF, REG. : DAB ( DAB), - AF. , - , . ( 35). REG AF RU11-17_KS-FX845REEf.p

23、653/5/03, 2:33 PM11 12 CCK 1 SEL () 2 , PSM. (PSM: 24). 2 “AF-REG” ( / ) . 3 “AF” , “AF REG” “OFF” . 4 . () ( FM, ). , , . T (TP/PTY), . 7 FM, . , . - , “TRAFFIC” ( ), . ( 16), . , , , . , , . 4 t . , , P . . 7 FM, . - , “TRAFFIC” ( ), . , T (TP/PTY). TP . RU11-17_KS-FX845REEf.p653/5/03, 2:33 PM12 1

24、3 CCK PTY PTY (PTY: ) ( FM, ). PTY , , . PTY . PTY . ( PTY “OFF” (). 1 SEL () 2 , PSM. (PSM: 24). 2 “PTY STBY” (), . 3 PTY. ( 17). . 4 . 7 FM, PTY . PTY , PTY . - PTY , . PTY , PTY , , PTY . PTY , , . 4 . , , PTY . PTY . 7 FM, PTY . - PTY , . PTY, “OFF” () 3 . PTY . RU11-17_KS-FX845REEf.p653/5/03, 2

25、:33 PM13 14 CCK PTY . 6 . 6 (1 6). , . , 15. 1 T (TP/PTY) 2 , FM. 2 PTY. ( 17). . 3 2 , PTY , . “MEMORY” () . 4 / T (TP/PTY) 2 . PTY . POP M 123 ROCK MEASY M 456 CLASSICSAFFAIRSVARIED RU11-17_KS-FX845REEf.p653/5/03, 2:33 PM14 15 CCK , PTY , , . , PTY , , . : PTY . RDS , , . , RDS, . , AF , . ( ) , .

26、 , , . “ (PSM)” 23. 1 SEL () 2 , PSM. 2 4 “P()-SEARCH” . 3 , “ON” (). . 4 SEL (), . , “OFF” () 3 . 1 T (TP/PTY) 2 , FM. 2 - PTY 3 4 PTY . PTY . .: “ROCK M” RU11-17_KS-FX845REEf.p653/5/03, 2:33 PM15 16 CCK FM (PS NAME), (FREQ) , - FM RDS. “ (PSM)” 23. 1 SEL () 2 , PSM. 2 4 , “DISPMODE” ( ). 3 , (“PS

27、NAME” , “FREQ” “CLOCK”). 4 SEL (), . : DISP (), , FM RDS. : . . , . “ (PSM)” 23. 1 SEL () 2 , PSM. 2 4 , “TA VOL ” ( ). 3 , . “VOL 00” “VOL 50” . 4 SEL (), . , CT ( ) RDS. , . “ (PSM)” 23. 1 SEL () 2 , PSM. 2 4 “AUTO ADJ” ( ). 3 , “OFF” (). . 4 SEL (), . , “ON” () 3, . : 2 , “AUTO ADJ” ( ) “ON” ().

28、. ( , 2 , CT RDS). (PS NAME) (FREQ) (PTY) (CLOCK) RU11-17_KS-FX845REEf.p653/5/03, 2:33 PM16 17 CCK PTY NEWS: AFFAIRS: , INFO:, SPORT: EDUCATE: DRAMA: CULTURE: SCIENCE: VARIED: , POP M:- ROCK M:- EASY M: LIGHT M: CLASSICS: OTHER M: WEATHER: FINANCE: , , . CHILDREN: SOCIAL: - RELIGION:, , , PHONE IN:,

29、 , TRAVEL: , , LEISURE:, , , , . JAZZ: COUNTRY: NATION M: OLDIES: - FOLK M: DOCUMENT: , , . 1, C 1, D 1, B 1, E 1, A RU11-17_KS-FX845REEf.p653/5/03, 2:33 PM17 18 CCK I (). 1 . : , , TAPE (CD-CH); . 2 . , . 3 . 4 . 23 - () (). 0. , . . . , ( ). , 0, . , 23. . : , . ( ) , . 1 . , , . 4 1 . , . RU18-20

30、_KS-FX845REEf.p653/13/03, 6:18 PM18 19 CCK ( ). , ( 15- ( ) ) . “ (PSM)” 23. 1 SEL () 2 , PSM. (PSM: 24). 2 4 , “B.SKIP” ( ). 3 , “ON” (). . 4 . Blank Skip ( ), “OFF” () 3, . Multi Music Scan (MMS) ( ) . 9 . , ( ) , . 9. , . : : , . , . Multi Music Scan ( ) : , ( ) . . . , . , . 4 , . .: RU18-20_KS-

31、FX845REEf.p653/13/03, 5:49 PM19 20 CCK ( ). 1 M (MODE) (), , . 2 RPT (), “REPEAT” . , . 1 2, RPT. : : , ( ) . . . , . , . . TAPE (CD-CH), 2 . 5 “NO EJECT” ( ); . TAPE (CD-CH), 2 . 5 “EJECT OK” ( ), . : , 0 , , . RU18-20_KS-FX845REEf.p653/13/03, 5:47 PM20 21 CCK : BAS TRELOUD USER(0000OFF )() ROCK- +

32、03+01ON () - CLASSIC+0102OFF () POPS+04+01OFF () HIP HOP- +0200ON -() JAZZ+02+03OFF () (C-EQ: ) (C-EQ: ), . . , , 1. 1 M (MODE) () , . 2 EQ (). . 3 , . : : . , . . “ ” . 22. .: “USER” () EQ () , “USER” . CLASSIC POPSHIP HOPJAZZ USERROCK .: “ROCK” () RU21-22_KS-FX845REEf.p653/13/03, 5:31 PM21 22 CCK

33、. 1 , . : , : BAS*1 06 (.) (. | )+06 (.) TRE*106 (.) ( . | )+06 (.) FAD*2 R06 ( ( ) . | )F06 ( ) BAL L06 ( () ) . | R06 ( ) LOUD*1 (), LOUD ON | LOUD OFF . VOL*300 (.) () . | 50 (.) 2 . 3 1 2 . , , 21. , . . 1: “TRE” ( ) . 2: VOL () BAS ( ) TRE ( ) FAD ( ) BAL () LOUD () *1 (C-EQ), “USER” (). *2 , “

34、00”. *3 . “VOL” () . RU21-22_KS-FX845REEf.p653/5/03, 2:33 PM22 23 CCK (PSM) , . 24, PSM (Preferred Setting Mode ). 1 SEL () 2 , PSM. (C y 24). 2 PSM, . (C y 24). 3 PSM. 4 , 2 3, PSM. 5 . : “CLOCK H” .: “LEVEL ” .: “AUDIO 2” RU23-26_KS-FX845REEf.p653/5/03, 2:37 PM23 24 CCK (PSM) PSM . , . CLOCK H CLO

35、CK M 24H/12H24/12- AUTO ADJ DISPMODE CH DISP - AF-REG / PTY STBY PTY TA VOL P-SEARCH DAB AF*2 DAB VOL*2 DAB LEVEL TEL B.SKIP EXT IN*3 0 23 (1 12) 00 59 0 (0:00)6 OFFONOFF19 CHANGERLINE INCHANGER25 AUDIO 225 *1 , “DAB AF” “AF OFF”. *2 DAB. *3 FM, AM TAPE. 12H24H24H6 OFFONON16 PS NAME PS NAMEFREQ CLOC

36、K 16 TIMEDISCDISC25 AF AFAF REG OFF*1 11, 12 OFF OFF 29 ( 17) 13 VOL 00 VOL 50VOL 2016 OFFONOFF15 AUDIO 1AUDIO 2 OFF OFF MUTING 1MUTING 2 OFF 25 AF OFFAF ONAF ON35 VOL 12VOL 12VOL 0035 / 00 (0:00)6 RU23-26_KS-FX845REEf.p653/13/03, 5:49 PM24 25 CCK -CH DISP -. , -, “DISC” . DISC: ( , MP3). TIME: . LEVEL . “AUDIO 2” . AUDIO 1: . AUDIO 2 : “AUDIO 1” . OFF : . TEL , . “MUTING 1” “MUTING 2” , . . MUTING 1: , . MUTING 2: , . OFF (): . EXT IN - - KS-U57 ( ). , , , - - . - - . CHANGER (-): - -. LINE IN ( ): - -. : KS-U57 / ( ). RU23-26_KS-FX845REEf.p653/5/03