JVC KS-FX820R Скачать руководство пользователя страница 33 | Manualshive

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Grease point 2/2

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Содержание KS-FX820R

Страница 1: ...nts Safety precaution 1 2 Instructions 1 3 18 Disassembly method 2 1 Adjustment method 2 8 Description of major ICs 2 12 Block diagram 2 21 Standard schematic diagrams 2 22 Printed circuit board 2 25 Parts list 3 1 17 40Wx4 TP DISP RPT SSM SCM MO RND 7 8 9 10 11 12 PTY CD CH FM AM TAPE I ATT DOLBY B NR 5 DAB RDS 40Wx4 TP DISP RPT SSM SCM MO RND 7 8 9 10 11 12 PTY CD CH FM AM TAPE I ATT DOLBY B NR ...

Страница 2: ... CAUTION Burrs formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution ...

Страница 3: ...s b on the right side and one joint c from upside then detach the front chassis toward the front side 1 Press the release switch and remove the front panel unit in the direction of the arrow Removing the front chassis See Fig 2 3 Removing the heat sink See Fig 4 1 Remove the three screws B attaching the heat sink on the left side of the body and remove the heat sink b a a b c A B B B Heat sink Fig...

Страница 4: ...e heat sink Remove the bottom cover Remove the five screws B attaching the rear panel and one screw C attaching the pine jack on the back of the body Removing the main amplifier board assembly See Fig 7 1 2 3 4 5 Remove the front chassis Remove the bottom cover Remove the rear panel Remove the two screws D attaching the main amplifier board assembly on the top cover Disconnect connector CP701 on t...

Страница 5: ...chassis Remove the bottom cover Remove the main amplifier board assembly Remove the fore screws F attaching the cassette mechanism assembly from the top cover Removing the control switch board See Fig 9 and 10 1 2 3 Remove the front panel unit from the main body Remove the five screws G attaching the rear cover on the back of the front panel unit Remove the control switch board from the front pane...

Страница 6: ...in the direction of the arrow 1 2 3 4 Removal of the cassette mechanism Removing the mecha control P W B See Fig 1 and 2 Disconnect the 6pin harness from connector CN402 and the card wire from CN403 on the mecha control P W B Refer to Fig 1 and 2 Remove the four screws B on the bottom of the cassette mechanism 1 2 Removing the cassette mechanism assembly See Fig 1 to 3 Fig 1 Cassette mechanism ass...

Страница 7: ...w to detach the one side of the sub chassis Then release the sub chassis from the tab f 1 2 Removing the sub chassis See Fig 6 Prior to performing the following procedure remove the head relay P W B the load arm and the sub chassis Remove the screw E attaching the reinforce bracket Remove the reinforce bracket Push the tab g fixing the cassette holder in the direction of the arrow and open the cas...

Страница 8: ...in the direction of the arrow 1 2 Removing the reel disc P W B See Fig 10 Unsolder the two soldering l of the motor and the sub motor Release the sub motor from the three tabs m Push the sub motor upward and pull out it Remove the belt on the bottom of the cassette mechanism assembly and remove the two screws G attaching the motor 1 2 3 Removing the motor and the sub motor See Fig 10 and 11 The mo...

Страница 9: ...e the head relay P W B the load arm the sub chassis the cassette holder and the holder arm Disengage the part n inside of the reel driver which engages with the shaft using a pincette or something like that Then remove the reel driver from the shaft Remove the reel driver spring and the reel table 1 2 Removing the reel disc ass y See Fig 12 to 14 When reassembling make sure to use a new slit washe...

Страница 10: ...CTG N mechanism adjustment Measuring conditions Amplifier section Power supply voltage DC14 4V 10 5 16V Load impedance 4 2Speakers connection Line out 20k Standard volume position Balance and Bass Treble volume Fader Center Indication 0 Loudness Dolby NR Sound Cruise Off following conditions Playback the test tape VT721 AM mode 999kHz 62dB INT 400Hz 30 modulation signal on receiving FM mono mode 9...

Страница 11: ...ead section view Cassette mechanism Surface Arrangement of adjusting test points Motor assembly Tape speed adjust Playback head Azimuth screw B Reverse Azimuth screw B Reverse Azimuth screw A Forward Azimuth screw A Forward Playback Head ...

Страница 12: ...tension cord EXTKSRT002 18P 18 pin extension cord For connection between mechanism assembly and main board assembly Check for mechanism driving section such as motor etc Disassembly method 1 Remove the bottom cover 2 Remove the front panel assembly 3 Remove the top cover 4 Install the front panel 5 Confirm that current is being carried by connecting an extension cord jig Note Available to connect ...

Страница 13: ...stment of peak of Lch Rch output with Azimuth screw A For Oscilloscope litharge corrugation set 45 as standard b At Reverse play mode make adjustment of peak of Lch Rch output with Azimuth screw B For Oscilloscope litharge corrugation set 45 as standard c With AC volt meter confirm the difference of output for 4ch between Lch Rch at forward play mode and Lch Rch Reverse play mode being within 3 0d...

Страница 14: ...EF PBFIN1 PBGND PBRIN1 PBFB1 I O O I I I O O I I I Resistance for setting the reference Ground TAPE input Output reference Playback equalizer amplifier output Playback equalizer amplifier capacitance Playback equalizer amplifier feedback Playback equalizer amplifier input Playback equalizer amplifier ground Playback equalizer amplifier input Center Playback equalizer amplifier reference Playback e...

Страница 15: ... for ACC block This output voltage is approximately 0 7V lower than VDD S The max output current is 100mA Control of the COMP output by inputting voltage This output voltage is 5 7V and max output current is 100mA This voltage supply is for microcomputer Whenever back up voltage supply is connected the output keeps on running This output voltage is 9 0v and max output current is 500mA This voltage...

Страница 16: ...r Clock output to LCD driver I O selector output for J BUS H OUT L INPUT Door open detect input J BUS Data input J BUS Data output J BUS Clock in output Non connect Non connect Non connect Non connect Non connect Non connect Port GND Port Vdd Non connect AF check output L AF check Monaural on off selecting output H mono on FM AM switching output L FM H AM Auto seek stop selecting output H Seek L S...

Страница 17: ...rive output Mechanism mode position detection input Cassette in detection input H cassette in L cassette out Standby position detection input H eject side L operation side Non connect Non connect Non connect Non connect Non connect Touch tone output Mute output L mute on Power ON OFF switching output H power on Telephone mute signal detection input Dimmer signal detection input L dimmer Dimmer con...

Страница 18: ...1 Power amp 1 Pin layout 2 Block diagram IN1 IN2 IN3 IN4 STBY 2 1 11 13 23 10 TAB PROTECTOR ASO SURGE TSD INPUTBUFFER1 INPUTBUFFER2 INPUTBUFFER3 INPUTBUFFER4 AMP1 AMP2 AMP3 AMP4 MUTE PVCC1 PVCC2 INVCC 12 22 14 18 6 3 4 5 7 8 9 15 16 17 19 20 21 1 23 ...

Страница 19: ...cuit 1 Sample as Load Circuit 1 Sample as Load Circuit 1 1k 1k S1 CL Inputs Outputs C L H H A X L H Y Z H L 1 2 3 4 5 6 7 14 13 12 11 10 9 8 HD74HC126FP X IC801 Buffer 1 Pin layout 3 Block diagram 2 Function AMP AGC Detector BPF I V conversion PD Vcc Comp 22k ohm magnetic shield Vcc Rout GND for trimming circuit RPM6938 SV4 IC602 Remote control receiver ...

Страница 20: ...externally Must be connected to VDD1 when a 1 2 bias drive scheme in used Power supply connection Oscillator connection An oscillator circuit is formed by connecting an external resistor and capacitor to this pin Display off control input Chip enable input Synchronization clock input Serial data input DIMMER Control signal output Non connect O O I I I O I I I I O Pin No Symbol Description I O 2 Pi...

Страница 21: ... 6 7 8 9 10 11 12 13 14 15 16 Quality indication output RDS data output Reference voltage output 0 5VDDA Multiplex signal input 5V supply voltage for anarog part Ground for analog part 0V Subcarrier input to comparator Subcarrier output of reconstruction filter Oscillator mode test sontrol input Test enable input Ground for digital part 0V 5V supply voltage for digital part Oscillator input Oscill...

Страница 22: ...QSL IDL MUTE ICL IMO IBL IAL Serial data input output Ground output left rear output left front Treble control capacitor left channel or input from an external equalizer Bass control capacitor left channel or output to an external equalizer Bass control capacitor left channel Input volume 1 left control part Input loudness left control part Output source selector left channel Not used Not used Inp...

Страница 23: ...Y MSOUT SUBMO SUBMO SUBMO SUBMO REEL MODE TAPEIN STANDBY TU1 TUNER PACK IC161 E VOLUME IC301 POWER AMP IC71 RDS DETECTOR IC701 CPU IC801 JVC BUS TU_L TU_R SK ST SM MONO SD ST SEEK STOP FMOSC AFCK FMEO AMEO FM AM RDSCK RDSDA TAPE L TAPE R STANDBY TAPEIN MODE SUBMO SUBMO REEL MSOUT DOLBY F R FFREW MOTOR ENC1 ENC2 KEY0 KEY1 KEY2 LCDCE LCDDA LCDCK REMOCON MUX SCL SDA FL FR RL RR FLOUT FLOUT FROUT FROU...

Страница 24: ...Standard schematic diagrams Tuner Main circuit section FRONT SIGNAL REAR SIGNAL TUNER SIGNAL CD CHANGER SIGNAL TAPE SIGNAL ...

Страница 25: ...Mechanism control circuit section TAPE SIGNAL ...

Страница 26: ...LCD Key control circuit section ...

Страница 27: ...ds Main board LCD Key control board Forward side LCD Key control board Reverse side Mecah control board Reel board CA IN Main Main Sub Sub CrO2 S T B Y 3 MODE M J CA IN Main Sub MODE Pho Tr CrO2 Main Sub St BY D Gnd Anode ...

Страница 28: ...able as service parts Contents Exploded view of general assembly and parts list Cassette mechanism assembly and parts list Electrical parts list P acking materials and accessories parts list KS FX850R 3 3 3 5 3 10 3 16 KS FX835R KS FX820R Areas suffix E Continental Europe ...

Страница 29: ...AIN PW 11 QYSDSF2006M SCREW 2 13 FSJC1056 002 CHASSIS BASE 1 14 QYSDST2606Z SCREW 4 MECHA M BKT 15 QYSDST2606Z SCREW 1 PCB MECHA 17 CDS 801 JV 1 CASSETTE MECHA 18 FSXK3003 005 VOL KNOB 1 JOG DIAL 21 FSXP2045 002 PRESET BUTTON 1 1 6 LASER CUT 22 FSXP3053 002 POWER BUTTON 1 23 FSXP3058 001 EJECT BUTTON 1 24 FSXP3062 001 PUSH BUTTON R 1 MO RND RPT 26 FSXP2041 003 PUSH BUTTON L 1 DISP TP PTY 27 FSXP30...

Страница 30: ...OR L LEVER L 71 VKW5264 005 T SPRING 1 FOR RELEASE LEV 72 QYSDSF2006M SCREW 1 DAMPER L LEVER 74 VKZ4777 001 MINI SCREW 1 LOCK LEVER O L 82 FSKL4018 00B IC BRACKET 1 83 FSKL4023 001 P W B BRACKET 1 84 FSKL4014 001 HEAT SINK 1 85 VMA4652 001SS EARTH PLATE 1 86 QMFZ021 100 J1 FUSE A 1 87 FSKS3017 002 LED HOLDER 1 88 FSXP4006 001 SCM BUTTON 1 89 FSKS3014 001 OPEN LEVER 1 90 FSYH4036 035 SHEET 1 SLIDIN...

Страница 31: ...9 40 66 75 17 94 93 95 96 16 5 50 28 CFD 409 4 63 64 LEN 315Y2 LEN 315Y2 27 67 25 SW 522B SW 522B 117 CFD 409 LEN 315Y2 107 48 30 3 FG 84M FG 84M 12 108 46 FG 84M FG 84M FG 84M FG 84M 44 34 55 SW 522B 21 38 114 22 33 111 85 82 84 86 71 113 43 110 113 32 111 51 61 37 74 35 60 36 72 9 13 FG 84M FG 84M CFD 409 106 87 45 1 106 Cassette mechanism assembly and parts list Block No M M M 2 CDS 801 ...

Страница 32: ...SW 902 SW 522B FG 84M CFD 409 LEN 315Y2 Grease point 1 2 FG 84M FG 84M SW 902 SW 902 FG 84M FG 84M SW 902 FG 84M FG 84M SW 902 SW 902 ...

Страница 33: ...Grease point 2 2 ...

Страница 34: ...LATE 1 28 1 0801 1012S CASSETTE HOLDER 1 30 1 0801 1020S REINFORCE BRKT 1 32 1 0101 2056S IDLE PULLEY A1 1 33 1 0801 2004S REDUCTION GEARA 1 34 1 0801 2005S REDUCTION GEARB 1 35 1 0801 2006S SPG HOLDER F 1 36 1 0801 2007S FRICTION GEARPL 1 37 1 0801 2008S FRICTION GEARFF 1 38 1 0801 2009S MODE GEAR 1 39 1 0801 2010S REEL SPINDLE 2 40 1 0801 2011S REEL DRIVER 2 41 1 0801 2014S GEAR BASE ARM 1 42 1 ...

Страница 35: ... MOTOR WIRE 1 BLACK 94 10801 7009 1S M MOTOR WIRE 1 RED 95 10801 7010 0S S MOTOR WIRE 1 ORANGE 96 10801 7010 1S S MOTOR WIRE 1 BROWN 97 10801 7015 0S HEAD WIRE BLACK 1 98 10801 7015 1S HEAD WIRE BROWN 1 99 10801 7015 2S HEAD WIRE RED 1 100 10801 7015 3S HEAD WIRE ORANG 1 101 10801 7015 4S HEAD WIRE YELLO 1 102 10801 7015 5S HEAD WIRE WHITE 1 103 1 0801 7016S HEAD PCB 1 104 1 0801 7025S CONN S6B PH...

Страница 36: ...ount bolt A7 Lock nut A8 Washer SCREW KIT 2 A10 Screw A17 Sheet A11 Sheet A14 Car Cable A16 Trim Plate A20 Remocon A21 Battery Packing materials and accessories parts list Block No M M M 3 Block No M M M 4 KIT2 A10 A11 A17 A1 A14 P4 P3 P6 P5 A20 A21 P4 KS FX850R 835R P2 P2 ...

Страница 37: ...SHEET 1 SWE FIN FSUN3113 T451 INSTRUCT SHEET 1 DUT SPA ITA FSUN3113 T211 INSTRUCT SHEET 1 ENG GER FRE A 3 BT 54013 1 WARRANTY CARD 1 A 5 VKZ4027 202 PLUG NUT 1 A 6 VKH4871 001SS MOUNT BOLT 1 A 7 VKZ4328 001 LOCK NUT 1 A 8 WNS5000Z WASHER 1 A 9 FSKL4010 002 HOOK 2 A 10 VKZ4777 001 MINI SCREW 2 THEFT PREVENTIO A 11 FSYA4002 001 SHEET 1 THEFT PREVENTIO A 12 FSJB3001 00A HARD CASE 1 A 13 FSKM2004 002S...

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