JVC KS-FX815 Service Manual Download Page 2

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KS-FX915R/KS-FX815

1-2

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

Summary of Contents for KS-FX815

Page 1: ...SP 8 9 10 11 12 7 DAB MO DISP DISP SCAN SCAN LOUD LOUD 8 9 10 11 12 7 KS FX915R KS FX815 KS FX815 KS FX915R Area Suffix EE Russian Federation Contents Safety precaution 1 2 Location of main parts 1 3 Disassembly method 1 4 Adjustment method Description of major ICs 1 14 1 11 Difference point KS FX915R KS FX815 Dimmer Beep RDS LCD Remocon O X Color Nega O X O X O X ...

Page 2: ...KS FX915R KS FX815 1 2 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 ...

Page 3: ...to controller Tuner pack Antenna jack RCA jack Changer control connector I O connector Cassette mechanism Main board assembly Connector to controller Cassette mechanism C motor assembly Mechanism control board assembly Cassette housing Head Head relay board Mechanism control board assembly Flywheel assembly Reel board Capstan motor assembly ...

Page 4: ...side Removing the heat sink See Fig 2 1 Remove the three screws B attaching the heat sink on the left side of the body and remove the heat sink Removing the bottom cover See Fig 3 1 2 Turn the body upside down Insert a screwdriver to the two joints c and two joints d on both sides of the body and the joint e on the back of the body then detach the bottom cover from the body Fig 1 Fig 2 Front chass...

Page 5: ...from the cassette mechanism assembly Removing the Cassette mechanism assembly See Fig 6 1 2 3 4 Remove the front chassis Remove the bottom cover Remove the main amplifier board assembly Remove the four screws E attaching the Cassette mechanism assembly from the top cover Removing the control switch board See Fig 7 and 8 1 2 3 Remove the front chassis Remove the four screws F attaching the rear cov...

Page 6: ...e direction of the arrow 1 2 3 4 Removal of the cassette mechanism Removing the head amplifier board See Fig 1 and 2 Disconnect 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 Hea...

Page 7: ...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 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...

Page 8: ... direction of the arrow 1 2 Removing the reel disc board 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 motors c...

Page 9: ...head relay board 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 washer ATTE...

Page 10: ...like that Remove the reel disc ass y as with the reel disc ass y 1 2 3 Removing the reel disc ass y See Fig 12 to 15 Do 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 ...

Page 11: ...or head azimuth measurement Cassette type for CTG N mechanism adjustment DC14 4V 10 5 16V 4 2Speakers connection 20k Tuner section BAND STEP FM 100kHz Seek 50kHz Manual AM 9kHz step 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 ...

Page 12: ...ake our extension cords common for all car audio products Please use this type of extension cord as follows 2 As a U shape type top cover is employed this type of extension cord is needed to check operation of the mechanism assembly after disassembly 3 Extension cord EXTKSRT002 18P 18 pin extension cord For connection between mechanism assembly and main board assembly Check for mechanism driving s...

Page 13: ...ion adjust the motor with a built in volume resistor 1 2 Play test tape VTT724 and set the volume position at 2V Play test tape VTT739 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 VTT724 VT724 1kHz and play it back in the reverse play mode Set the Rch output level to max Load VTT703 VT703 10kHz and play i...

Page 14: ...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 Input C left source ...

Page 15: ...DDA Vref MUX VDDA GND CIN SCOUT RDCL T75 OSCO OSC1 VDD GND TEST MODE 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 QUAL RDDA Vref MUX VDDA GND CIN SCOUT MODE TEST GND VDD OSC1 OSC0 T75 RDCL O O I I O I O O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Non connect RDS data output Reference voltage output Multiplex signal input 5V Supply voltage for analog Ground for analog part 0V Sub carrier output of reconstru...

Page 16: ...UT 2 OUT 2 PWR GND2 R F IN 3 IN 4 PRE GND ON TIME C Muting ON Time Control Circuit Protective circuit Protective circuit Mute circuit Ripple Filter Stand by Switch N C 2 2 F 2200 F 0 047 F 2 2 F TAB 5V ST ON 47 F 2 2 F 2 2 F 22 F Mute 4 7K 4 7 F OUT 3 OUT 3 Low Level Mute ON PWR GND3 OUT 4 OUT 4 PWR GND4 LA4743K IC301 Power AMP 1 Block diagram ...

Page 17: ... 19 20 21 22 23 24 25 Symbol Pin No Function Header of IC Power GND Outpur for front Rch Stand by input Output for front Rch Power input Output for rear Rch Power GND Output for rear Rch Ripple filter Rear Rch input Front Rch input Signal GND Front Lch input Rear Lch input Power on time control Output for rear Lch Power GND Output for rear Lch Power input Output for front Muting control input Outp...

Page 18: ...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 Stop Pulse signal input port f...

Page 19: ...sition 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 control output Dimmer off L outp...

Page 20: ... 4C 1Y 2Y 2Y 3Y 4Y Output Output Output Output Sample as Load Circuit 1 Sample as Load Circuit 1 Sample as Load Circuit 1 1k 1k S1 CL Input Outout 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 Terminal layout 2 Block diagram 3 Pin function ...

Page 21: ...OMPOUT ANT CTRL VCC BATT DET AUDIO OUT CTRL CD OUT ILM AJ ILM OUT GND Output voltage is VCC 1 V when M or H level applied to CTRL pin Output voltage is VCC 1 V when M or H level to CTRL pin and H level to ANT CTRL Connected to ACC Regular 5 7V Output voltage is 5V when M or H level applies to CTRL pin Output for ACC detector L ANT output OFF H ANT output ON Connected to VCC Low battery detect Outp...

Page 22: ...KS FX915R KS FX815 VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49613 200102 V ...

Page 23: ...ic diagrams 2 3 Printed circuit boards 2 5 CD ROM No SML200102 This schematic diagrams is printed on 100 recycled paper Area Suffix EE Russian Federation MO TP TP RDS RDS PTY PTY DISP DISP 8 9 10 11 12 7 DAB MO DISP DISP SCAN SCAN LOUD LOUD 8 9 10 11 12 7 KS FX915R KS FX815 KS FX815 KS FX915R Difference point KS FX915R KS FX815 Dimmer Beep RDS LCD Remocon O X Color Nega O X O X O X ...

Page 24: ... REV_L REV_R SUBMO SUBMO SUBMO SUBMO TAPEIN MODE REEL MOTOR STANDBY METAL FF REW F R DOLBY MSOUT Lch Rch CJ601 CN601 IC602 REMOCON EN601 ENCODER IC601 LCD DRIVER LCD KEY MATRIX S1 S68 COM1 COM3 REMOCON ENC1 ENC2 LCDCL LCDCE LCDDA KEY0 KEY2 J1 ANT TU_L TU_R TAPE_L TAPE_R JBUS SI JBUS SO JBUS IO JBUS INT JBUS SCK EVOLCLK EVOLDA EO FM AMOSC IFC MONO SD ST IFREQ S METER CH_L CH_R OUTLF OUTLR OUTRF OUT...

Page 25: ... M E M O 2 2 ...

Page 26: ... 100 10k 10k 10k LA4743K QAX0406 002Z 27P 27P 390 10k 10k 0 1 4 7k 4 7k 4 7k 4 7k 4 7k 4 7k 0 1 HA13164 1SS355 X 1SS355 X 1SS355 X 47p 2SD1048 6 7 X 10k 1SS355 X CRS03 W 1SS355 X 2 2 50 1SS355 X 12k 47K 0 047 SAA6579T X 10K 100 0R0 MTZJ5 6B T2 510 SLR 56MC3F 1 50 470 4 7 50 4 7 50 4 7 50 4 7 50 47K 10k 2SD1048 6 7 X 2 2K 2 2K 2200 16 1 50 27K 27K 27K 27K 1N5401 TU 15 DTC114EKA X 2 2k 2 2k 100 6 3 ...

Page 27: ...404 C403 C402 R411 VR402 R413 C407 C417 R422 R423 D402 R403 R425 C423 R424 R412 R417 R402 C401 C405 C408 R420 0 015 910K 22 16 0 015 0 1 DTC114EKA X 2SB1322 RS T QGF1219F1 10S LB1641 0 01 0 1 QGB1214K1 18S 390 15K 0 1 0 1 0 1 MA3047 H X 33K 12K 22 16 24K 0 47 50 220P 24K 3 9K 100P 0 01 22K 180 180 100K 100P 100K 100P 100P 12K 33K 18K 100P 0 1 DTC114EKA X 3 3K 47K DSK10C T1 100K 33 10 16 3 3K 100 1...

Page 28: ...47K QSW0928 001 470 1 8W 1SS355 X 390K 510 1 8W 510 1 8W 2SB815 7 X 47K 1K 1 8W UN2211 4 7 6 3 1SS355 X 1SS355 X 1SS355 X 1SS355 X 0 22 0 22 270 1 8W 100 270 1 8W SML 310LT MN X 470 1 8W QNZ0006 001 270 1 8W 330K 0 01 220P 1SS355 X 1SS355 X 390 1 8W 430 1 8W 270 1 8W 390 1 8W 560 1 8W NSPW310BS BRS NSPW310BS BRS NSPW310BS BQ 470 1 8W 470 1 8W 4 7 6 3 LCDCE LCDDA LCDCL DIMMER GND 10V ACC5V ACC5V AC...

Page 29: ...D1 D3 B902 R751 D5 D6 D711 D782 D783 R752 B804 B807 D781 D891 D892 D903 D901 D162 D981 D982 IC71 IC161 IC701 IC801 D2 J1 J321 J801 L1 L902 L903 D712 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 C982 Q31 Q32 Q41 Q42 Q51 Q52 Q241 Q321 Q331 Q341 Q351 Q781 Q782 Q784 Q841 Q881 Q891 Q901 Q903 Q904 Q976 Q977 R1 R2 R3 R4 R5 R6 R8 R9 R10 R11 R12 R31 R32 R33 R34 R41 R42 R43 R44 R53 R54 R55 R56 R57 R58 R59 R71 R72 R73 R81 R82...

Page 30: ...KS FX915R KS FX815 Printed in Japan 200102 V VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49613SCH ...

Page 31: ...ies are not available as service parts Contents Exploded view of general assembly and parts list Cassette mechanism assembly and parts list Electrical parts list Packing materials and accessories parts list KS FX915R KS FX815 3 2 3 5 3 10 3 16 Area suffix EE Russian Federation ...

Page 32: ... 73 13 71 72 13 71 Exploded view of general assembly and parts list Block No M M M 1 12 12 67 68 66 14 14 55 56 56 54 74 40 44 39 46 47 49 50 53 52 41 16 15 48 19 17 29 24 22 21 18 32 36 35 51 43 42 45 37 38 58 63 59 64 61 60 62 62 57 33 28 26 31 27 30 25 23 34 20 KS FX915R only KS FX915R only Main bard ...

Page 33: ...2 VKS3798 002 RELEASE LEVER 1 23 VKS3793 001 LOCK LEVER TOP 1 24 VKS3794 003 LOCK LEVER L 1 25 VKS3795 002 LOCK LEVER R 1 26 VKS5563 001 GEAR 1 27 VKZ4786 002 OIL DAMPER 1 28 FSKW4012 001 T SPRING 1 FOR L LEVER TOP 29 VKW5264 005 T SPRING 1 FOR RELEASE LEVER 30 VKW5262 001 T SPRING 1 FOR L LEVER R 31 QYSDSF2006M SCREW 1 DAMPER L LEVER 32 VKW5263 002 T SPRING 1 FOR L LEVER L 33 VKZ4777 001 MINI SCR...

Page 34: ...E 1 KD FX915R QLD0164 001 LCD MODULE 1 KD FX815 58 QNZ0449 001 RUBBER CONNECTO 1 59 QNZ0450 001 RUBBER CONNECTO 1 60 GE30114 001A LCD CASE 1 61 FSJK3028 001 LCD LENS 1 62 FSYH4061 001 LIGHTNG SHEET 1 KD FX815 FSYH4061 001 LIGHTNG SHEET 2 KD FX915R 63 FSYH4036 052 SHEET 1 64 FSKS3013 001 LENS CASE 1 65 GE30148 002B NAME PLATE 1 KD FX815 GE30149 002B NAME PLATE 1 KD FX915R 66 VMA4652 001SS EARTH PLA...

Page 35: ...9 CFD 409 49 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 ...

Page 36: ...KS FX915R KS FX815 3 6 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 ...

Page 37: ...KS FX915R KS FX815 3 7 Grease point 2 2 ...

Page 38: ...S EJECT CAM PLATE 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 BAS...

Page 39: ...0801 7009 0S M 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 702...

Page 40: ...OR C 244 QERF1HM 224Z E CAPACITOR 22MF 20 50V C 301 QERF1CM 475Z E CAPACITOR 4 7MF 20 16V C 302 QER41CM 476 E CAPACITOR 47MF 20 16V C 303 NCS31HJ 391X C CAPACITOR C 304 NCS31HJ 391X C CAPACITOR C 305 NCB31EK 104X C CAPACITOR C 306 NCB31EK 104X C CAPACITOR C 307 QERF1HM 475Z E CAPACITOR 4 7MF 20 50V C 308 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 309 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 313 NCS31H...

Page 41: ... Q 902 2SA1706 ST T TRANSISTOR Q 976 UN2211 X TRANSISTOR Q 977 2SA1037AK RS X TRANSISTOR R 1 NRS181J 330X MG RESISTOR R 2 NRSA63J 472X MG RESISTOR R 3 NRSA63J 473X MG RESISTOR R 4 NRSA63J 332X MG RESISTOR R 5 NRSA63J 473X MG RESISTOR R 6 NRS181J 8R2X MG RESISTOR R 8 NRSA63J 472X MG RESISTOR R 9 NRSA63J 472X MG RESISTOR R 10 NRSA63J 472X MG RESISTOR R 11 NRS181J 223X MG RESISTOR R 12 NRSA63J 0R0X M...

Page 42: ... MG RESISTOR R 735 NRSA63J 473X MG RESISTOR R 738 NRSA63J 473X MG RESISTOR R 739 NRSA63J 104X MG RESISTOR R 740 NRSA63J 473X MG RESISTOR KS FX815 R 741 NRSA63J 473X MG RESISTOR KS FX915R R 742 NRSA63J 563X MG RESISTOR R 743 NRSA63J 473X MG RESISTOR R 744 NRSA63J 103X MG RESISTOR KS FX915R R 745 NRSA63J 473X MG RESISTOR R 747 NRSA63J 473X MG RESISTOR R 748 NRSA63J 243X MG RESISTOR R 749 NRSA63J 101...

Page 43: ...C CAPACITOR C 423 QER41CM 106 E CAPACITOR 10MF 20 16V C 424 NCB31EK 104X C CAPACITOR C 425 NCB31HK 103X C CAPACITOR CN401 QGB1214K1 18S CONNECTOR CN402 VMP3501 001 CONNECTOR CN403 QGF1219F1 10S CONNECTOR D 401 MA3047 H X DIODE D 402 DSK10C T1 DIODE IC401 CXA2560Q IC IC402 LB1641 IC Q 402 DTC114EKA X TRANSISOR Q 403 2SB1322 RS T TRANSISTOR R 401 NRS181J 391X MG RESISTOR R 402 NRSA63J 104X MG RESIST...

Page 44: ...915R D 641 NSPW310BS BRS LED D 642 NSPW310BS BQ LED D 643 NSPW310BS BRS LED D 651 UDZS5 1B X Z DIODE D 652 1SS355 X DIODE D 653 1SS355 X DIODE D 654 1SS355 X DIODE D 655 1SS355 X DIODE D 656 1SS355 X DIODE D 657 UDZS5 6B X Z DIODE KS FX915R D 658 1SS355 X DIODE D 659 1SS355 X DIODE EN601 QSW0928 001 ROTARY SWITCH KS FX815 EN601 QSW0863 001 ROTARY SWITCH KS FX915R IC601 LC75873NW IC IC602 RPM6938 S...

Page 45: ...6 001X TACT SWITCH S 606 NSW0066 001X TACT SWITCH S 607 NSW0066 001X TACT SWITCH S 608 NSW0066 001X TACT SWITCH S 609 NSW0066 001X TACT SWITCH S 610 NSW0066 001X TACT SWITCH S 611 NSW0066 001X TACT SWITCH S 613 NSW0066 001X TACT SWITCH S 614 NSW0066 001X TACT SWITCH S 615 NSW0066 001X TACT SWITCH S 616 NSW0066 001X TACT SWITCH S 617 NSW0066 001X TACT SWITCH S 618 NSW0066 001X TACT SWITCH S 619 NSW...

Page 46: ...KS FX815 3 16 Packing materials and accessories parts list Block No M M M 3 Block No M M M 4 P7 KIT A4 A8 A12 A13 A9 Remocon A10 Battery A4 A5 A6 A7 A8 A1 A2 A3 A14 A9 A10 P6 P5 P7 P2 P3 P4 P1 A11 KS FX915R only ...

Page 47: ...em Parts number Parts name Area A Parts list Accessories Q ty Description Block No M4MM A 1 GET0018 001A INST BOOK 1 ENG RUS A 2 GET0018 002A INST BOOK 1 ENG RUS A 3 BT 54013 1 WARRANTY CARD 1 A 4 VKZ4027 202 PLUG NUT 1 A 5 VKH4871 001SS MOUNT BOLT 1 A 6 VKZ4328 001 LOCK NUT 1 A 7 WNS5000Z WASHER 1 A 8 FSKL4010 002 HOOK 2 A 9 RM RK31 REMOCON 1 KS FX915R A 10 BATTERY 1 KS FX915R A 11 QAM0176 001 CA...

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