JVC KS-F525, Service Manual

Page 1: ... LOUD LOUD Multi Music Scan Contents Safety precaution Disassembly method Adjustment method Description of major ICs 1 2 1 3 1 12 1 15 20 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ...n to such burrs in the case of preforming repair of this system Safety precaution www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 3: ...is assembly and remove the front chassis assembly toward the front 1 Removing the front chassis assembly See Fig 2 and 3 Disassembly method Main body Fig 1 Fig 2 Fig 3 Front panel assembly Eject button Tab a Tab a Front chassis assembly Front chassis assembly Heat sink Tab a Tab a www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 1394229651...

Page 4: ...oints b with the bottom cover and the body using a screwdriver 1 Removing the bottom cover See Fig 5 and 6 Fig 4 Fig 5 Fig 6 Heat sink A A Joints b Joints b Joint b Joints b Joints b Joint b Bottom cover Bottom cover Rear panel Rear panel www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ...

Page 5: ...ard See Fig 7 and 8 Prior to performing the following procedure remove the front panel assembly the front chassis assembly the heat sink the bottom cover and the main board Remove the four screws F attaching the cassette mechanism section on the back of the top chassis 1 Removing the cassette mechanism section See Fig 9 Fig 7 Fig 8 Fig 9 Rear panel B D D C C Main board E E CP501 Cassette mechanism...

Page 6: ...l switch board on the back of the front panel 1 2 3 Removing the control switch board See Fig 10 to 12 Fig 10 Fig 11 Fig 12 G G G G Rear cover Joints c Joints c Joints c Joints c Front panel Rear cover Front panel Control switch board www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376...

Page 7: ...sconnect the 6pin wire from connector CN402 and the card wire from CN403 on the head amplifier board 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 y Head relay board 6pin wire CN402 CN403 CN402 Head amplifier board Fig 2 Tab a Head amplifier board Fig 3 Cassette mechanis...

Page 8: ...6 Prior to performing the following procedure remove the head relay board 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 cassette holder and the holder arm upward until they stop at an angle of 45 degrees Move the two joints h to the side and remove...

Page 9: ...ub 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 motors can be detached before removing the load arm ATTENTION Fig 8 Cassette holder and holder arm Joint h Shaft Shaft Joint h ...

Page 10: ... 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 washer ATTENTION Fig 10 Cassette mechanism ass y Tab k Reel disc board Soldering j Tab k G G Motor Belt Flyhwheel Fig 12 Plate The...

Page 11: ...not break the front panel tab fitted to the metal cover ATTENTION Prior to performing the following procedure remove the reel disc ATTENTION Fig 15 Push aside the gear and reattach the reel disc Ass y Reel disc ass y www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 h...

Page 12: ...14 4V 10 5 16V 4 2Speakers connection 20k Frequency Range FM1 FM2 87 5 MHz to 108 0 MHz FM3 65 MHz to 74 Hz AM MW 522 kHz to 1620 kHz LW 144 kHz to 279 kHz DUMMY LOAD Exclusive dummy load should be used for AM and FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard Arra...

Page 13: ...r 4 Install the front panel 5 Confirm that current is being carried by connecting an extension cord jig Note Available to connect to the CP701 connector when in stalling the front panel Cassette mechanism Front panel assembly EXTKSRT002 18P Extension cord Main board Main board EXTKSRT002 18P to Main board to Cassette mechanism C401 C402 C403 C404 C405 C406 C407 C408 C409 C410 C411 C412 C413 C414 C...

Page 14: ...V Play test tape VT739 and confirm 1kHz 10kHz 1 3dB 1kHz 63Hz 0 3dB When 10kHz is out of specification it will be necessary to read adjust the azimuth 1 2 3 Load VT724 1kHz and play it back in the reverse play mode Set the Rch output level to max Load VT703 10kHz and play it back in the forward play mode Adjust the Rch and Lch output levels to max with azimuth adjustment screw B In this case the p...

Page 15: ...D REV change input H FWD L REV 43 DOLBY O Dolby NR output H Dolby NR ON 44 MS IN I Between tunes signal input H Between tunes 45 I2CSCK I O E VOL IC control clock I O 46 I2CDAO O E VOL IC control data output 47 I2CDAI I E VOL IC control data input 48 REEL I Reel rotation detect signal input 49 SUBMO O Sub motor output 50 SUBMO O Sub motor output 51 MODE I Mode position detection input H Non mode L...

Page 16: ...utput 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 supply for AUDIO This output voltage is 8 0V and max output current is 1A This voltage supply for CD Output selector of CD AUD...

Page 17: ...et terminal between tunes Detection level set terminal between tunes Time constant connection terminal for the detection between tunes Detection output terminal between tunes Non connection Mute function control terminal Reproduction equalizer control terminal Head change control terminal Detection mode control terminal between tunes Detection function control terminal between tunes Non connection...

Page 18: ... 20 21 1 23 1 2 3 4 5 6 7 8 9 10 GND OUT1 P1 VZ IN1 IN2 VCC1 VCC2 P2 OUT2 Input Output Mode IN1 IN2 OUT1 OUT2 Brake 0 0 0 0 1 0 1 0 0 1 0 1 1 1 0 0 CLOCKWISE COUNTER CLOCKWISE Brake LB1641 IC402 DC motor driver 1 Pin layout 2 Pin function www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ...

Page 19: ...ltage of between 4 5 and 6 0V Display turning off input pin INT L Vss off S1 to S52 COM1 to COM3 L INT H VDD on Serial data can be transferred in display off mode Used for applying the LCD drive 2 3 bias voltage externally Must be connected to VDD2 when a 1 2 bias drive scheme is used Used for applying the LCD drive 1 3 bias voltage externally Must be connected to VDD1 when a 1 2 bias drive scheme...

Page 20: ... 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 Input C left source Not used Input B left source Input A left source I O O O I I I O I I I Symbol I O Symbol I O Input A right s...

Page 21: ...w xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 22: ...NIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49708 200202 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 23: ...1 KEY 0 2 CJ701 S3 S52 COM1 COM3 CP701 TAPE L R F R MODE STANDBY FF REW MOTOR SUBMO TAPE IN DOLBY MS REEL SUBMO SUBMO LCH RCH METAL DOLBY CE CLOCK DATA F R MS OUT LCH RCH FF REW MOTOR TAPE IN MODE STANDBY REEL PHOTO CJ401 CJ403 CJ402 J1 AM FM TO SPEAKER CONNECTOR TO REAR LINE OUT Tuner Power AMP Changer System Controller LCD DRIVER KEY SWITCH CIRCUT MECHANISM CONTROL www x ia o y u 1 6 3 c o m QQ ...

Page 24: ...w xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 25: ...rts are safety assurance parts When replacing those parts make sure to use the specified one w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 26: ...5 C408 0 015 QGB1214K1 18S 22 16 0 015 910k 0 1 DTC114EKA X 2SB1322 RS T LB1641 0 01 0 1 390 15k CXA2559Q QGF1219F1 10 0 1 0 1 0 1 MA3051 M X 33K 12K 22 16 24K 0 47 50 0 01 220P 24K 3 9K 100P 0 01 22K 180 180 100K 100P 100K 100P 100P 12K 33K 18K 100P 0 1 3 3K 47K DSK10C T1 100K 33 10 16 3 3K 100 10K 100K 100P 100P 100P w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3...

Page 27: ...1 5k 910 1 2K 1 2K 0 01 1 2K 1 5K RPM6938 SV4 POWER ATT MA3062 680 180K 270 620 270 QLL0033 003 QLL0033 003 10K 270 470 820 470 100 10K 270 0 01 10K 10K 4 7 6 3 OSC CE INH DATA CLOCK S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 COM3 COM2 COM1 S52 S51 S50 S49 KEY1 R5V CE CLOCK DATA KEY0 REMOCON LAMP10V S16 S15 KEY2 ENC1 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S48 S47 S46 S45 S44 S4...

Page 28: ...B746 B745 C705 L711 B728 C968 C31 Q967 B766 B714 B713 R308 B769 B721 B719 B754 Q303 B776 B755 B777 D742 B758 C713 C254 C154 D965 C710 R301 R303 R305 R302 R304 R307 R306 Q301 Q302 C304 C303 C302 C301 C305 B757 B704 B756 C768 C711 B747 Q962 Q966 B750 D966 C712 B778 D891 B725 R892 C891 R891 B726 C902 C6 1 80 20 21 40 60 61 1 1 5 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 TPLCH 1 18 1 REMOCON 7 1 14 E B T...

Page 29: ...parts list Block No MP Electrical parts list Block No 01 03 Packing materials and accessories parts list Block No M3 M5 KS F525 3 2 3 5 3 10 3 16 Area suffix EE Russian Federation www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu...

Page 30: ...4 56 9 10 48 19 16 23 22 17 18 20 21 28 42 27 42 41 44 46 43 47 45 LCD1 33 26 30 31 34 40 39 32 38 35 36 29 24 37 25 11 11 2 6 4 11 6 6 1 6 7 3 5 11 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 31: ...R SPRING 1 24 GE10001 001B FRONT PANEL 1 25 GE30101 011B FINDER ASSY 1 26 FSJK3014 001 LIGHT LENS 1 27 GE20104 002A PRESET BUTTON 1 1 6 28 FSYH4036 069 SHEET 2 29 GE30105 002B POWER BUTTON 1 30 GE30109 002A EJECT BUTTON 1 31 GE20110 002C D FUNC BUTTON 1 TAPE TUNER CD CH 32 GE30106 002A SND FUNC BUTTON 1 33 GE20103 001A PUSH BUTTON 3 1 34 GE20109 001C UP DOWN BUTTON 1 35 GE30546 001A KNOB 1 JOG DIA...

Page 32: ...4 002 HEAT SINK 1 53 FSKM3012 012 REAR BRACKET 1 54 QYSDST2606Z SCREW 1 ANT 55 QYSDST2606Z SCREW 1 ISOX2 56 QYSDSF3006Z SCREW 1 PIN 57 QMFZ047 100 T FUSE A 1 LCD 1 QLD0158 002 LCD 1 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiao...

Page 33: ... 82 85 33 45 22 38 21 71 34 3 30 48 27 107 67 16 96 42 41 10 17 95 93 94 40 49 75 66 39 25 117 106 64 63 4 28 50 5 68 12 108 55 43 110 113 111 51 35 60 36 72 13 9 61 37 74 23 2 59 99 97 98 100 101 102 73 Cassette mechanism assembly and parts list Block No M M M P CDS 801 A A B B a D D c b d c C C www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q ...

Page 34: ... 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 0801 2015S GEAR BASE LINK 1 43 1 0801 2016S TAKE UP GEAR 1 44 1 0801 2017S REFLECTOR GEAR 1 45 1 0801 2018...

Page 35: ...10 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 K S 1 105 21382 3060 C2S PLAIN B TYPE 1 M2 3 6 0 106 2 1032 0025 C2S SCREW PLAIN 2 M2 2 5 107 21332 0035 ...

Page 36: ... FG 84M FG 84M FG 84M FG 84M EP56 3 1 2 9 10 11 13 4 5 12 Grease point 1 2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 37: ...59 47 Grease point 2 2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 38: ...TOR C 901 NCB11CK 225X C CAPACITOR C 911 QERF1CM 476Z E CAPACITOR 47MF 20 16V C 912 QERF1CM 107Z E CAPACITOR 100MF 20 16V C 913 QERF1CM 107Z E CAPACITOR 100MF 20 16V C 932 NCB21EK 104X C CAPACITOR C 941 NCB21EK 104X C CAPACITOR C 942 NCB21EK 104X C CAPACITOR C 943 NCB21EK 104X C CAPACITOR C 944 NCB21EK 104X C CAPACITOR C 945 QERF1CM 106Z E CAPACITOR 10MF 20 16V C 961 QETB1CM 228 E CAPACITOR 2200MF...

Page 39: ... NRSA02J 223X MG RESISTOR R 253 NRSA02J 472X MG RESISTOR R 701 NRSA02J 271X MG RESISTOR R 702 NRS181J 271X MG RESISTOR R 703 NRS181J 271X MG RESISTOR R 704 NRSA02J 271X MG RESISTOR R 705 NRSA02J 103X MG RESISTOR R 706 NRSA02J 473X MG RESISTOR R 707 NRS181J 473X MG RESISTOR R 708 NRSA02J 104X MG RESISTOR R 709 NRS181J 104X MG RESISTOR R 710 NRS181J 272X MG RESISTOR R 711 NRSA02J 391X MG RESISTOR R ...

Page 40: ... MG RESISTOR R 982 NRS181J 103X MG RESISTOR R 983 NRS181J 103X MG RESISTOR TU 1 QAU0138 004 TUNER X 701 QAX0406 001Z CRYSTAL www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 41: ...RSA63J 392X MG RESISTOR R 613 NRSA63J 561X MG RESISTOR R 614 NRSA63J 821X MG RESISTOR R 615 NRSA63J 122X MG RESISTOR R 616 NRSA63J 182X MG RESISTOR R 617 NRSA63J 272X MG RESISTOR R 631 NRSA63J 821X MG RESISTOR R 633 NRSA02J 391X MG RESISTOR R 634 NRSA02J 102X MG RESISTOR R 635 NRSA63J 681X MG RESISTOR R 636 NRSA63J 271X MG RESISTOR R 637 NRSA02J 271X MG RESISTOR R 638 NRSA63J 271X MG RESISTOR R 63...

Page 42: ...N402 VMP3501 001 WIRE CN403 QGF1219F1 10S CONNECTOR D 401 MA3047 H X ZENER DIODE D 402 DSK10C T1 DIODE IC401 CXA2559Q IC IC402 LB1641 IC Q 402 DTC114EKA X TRANSISTOR Q 403 2SB1322 RS T TRANSISTOR R 401 NRS181J 391X MG RESISTOR R 402 NRSA63J 104X MG RESISTOR R 403 NRSA63J 104X MG RESISTOR R 404 NRSA63J 104X MG RESISTOR R 405 NRSA63J 104X MG RESISTOR R 406 NRSA63J 181X MG RESISTOR R 407 NRSA63J 181X...

Page 43: ...w xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 44: ...s and accessories parts list Block No M M M 3 Block No M M M 5 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 45: ...7 002A INSTALL MANUAL 1 ENG RUS A 3 BT 54013 2 W CARD 1 A 4 VND3046 001 SERIAL TICKET 1 A 5 VKZ4027 202 PLUG NUT 1 A 6 VKH4871 001SS MOUNT BOLT 1 A 7 VKZ4328 001 LOCK NUT 1 FOR M5 A 8 WNS5000Z WASHER 1 A 9 FSKL4010 002 HOOK 2 A 10 LV40978 001A CAUTION SHEET 1 A 11 FSJB3001 30C HARD CASE 1 A 12 FSKM2004 202 MOUNTING SLEEVE 1 A 13 QAM0158 001 CAR CABLE 1 A 14 FSJD2034 001 TRIM PLATE 1 KIT KDGS717K S...