JVC KS-FX201 Service Manual Download

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SERVICE MANUAL

CASSETTE RECEIVER

No.49589

Jan. 2001

KS-FX201

Area Suffix

U ---- Other Areas

Contents

Safety precaution
Disassembly method
Adjustment method
Description of major ICs

1-2
1-3
1-12
1-16

This service manual is printed on 100% recycled paper.

Summary of Contents for KS-FX201

Page 1: ...01 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN LTD KS FX201 KS FX201 Area Suffix U Other Areas Contents Safety precaution Disassembly method Adjustment method Description of major ICs 1 2 1 3 1 12 1 16 This service manual is printed on 100 recycled paper ...

Page 2: ...KS FX201 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: ...t and left sides of unit and pull the front chassis forward to remove it Removing the Bottom Cover See Fig 2 to 4 1 Removing the front chassis 2 Turn the unit up side down 3 Insert the four engagements b c d e to the screwdriver 4 Turn the screwdriver and remove the bottom cover Fig 2 Fig 4 Front panel unit Fig 1 Push the release button Front chassis Bottom cover Top chassis Bottom cover a a b c a...

Page 4: ...ont chassis 2 Removing the bottom cover 3 Removing the heat sink Attach the heat sink with a screw 1 on operat ing checks 4 Remove the two screws 2 retaining the main board assembly 5 Remove the six screws 3 and one screw 3 retaining 6 Separate the main board assembly and cassette mechanism assembly 7 Take out the main board assembly Fig 5 Fig 6 Fig 7 the rear panel Heat sink 1 1 1 2 2 Main board ...

Page 5: ...Turn the front panel back side down 3 Remove the four screws 5 retaining the front cover 4 Open the front cover gradually by disengaging the three engagements g while pushing the top of the front cover in the arrow A direction then disengage the three engagements h on the both sides 5 Place the front panel unit front side down 6 Disengage the three engagements i on the bottom to separate the front...

Page 6: ...re out going to the head relay board Removing the Chassis Assembly See Fig 13 and 14 1 Removing the front chassis 2 Removing the bottom cover 3 Removing the heat sink 4 Removing the main board assembly 5 Removing the cassette mechanism 6 Removing the head amplifier board 7 Turn the left side to cassette mechanism 8 Remove the screw 7 retaining the relay board 9 Shift the one inter rocking sections...

Page 7: ...assembly on the back of the cassette mechanism assembly Remove the screw C on the upper side of the FF REW lever assembly Lift and pull forward the FF REW lever assembly to disengage the joints b c d and e 1 2 3 Removing the FF REW lever assembly See Fig 1 Reattach the FF REW lever assembly to the joint c on the back of the chassis Reattach the pinch roller shaft e the change lever d and the retur...

Page 8: ... lever assembly Remove the P arm spring f in the pinch roller F assembly from the chassis Remove the P arm spring r in the pinch roller R assembly from the chassis Draw out the pinch roller F and R assembly from the shaft 1 2 3 Removing the pinch roller R and F assembly See Fig 2 The P arm spring f differs from the P arm spring r ATTENTION The pinch roller F assembly differs from the pinch roller ...

Page 9: ...r pulley 2 Remove the two screws G attaching the motor assembly 3 Removing the motor assembly See Fig 5 To replace the sub belt remove the main belt and the sub belt from the motor pulley Then remove the three screws E and one screw F Replace with a new sub belt while lifting the reel base assembly slightly ATTENTION Prior to performing the following procedure remove the FF REW lever assembly and ...

Page 10: ...upper side of the cassette mechanism assembly remove the C washer from each shaft of the flywheel BF and BR Turn over the cassette mechanism assembly and remove the main belt Pull out the flywheel BF and BR downward respectively 1 2 Removing the Flywheel BF and BR assembly See Fig 4 and 5 The reel base assembly is not repairable Handle with care ATTENTION Selector link B Inside of the reel base as...

Page 11: ...ig 8 Prior to performing the following procedure remove the motor assembly Unsolder the two wires m on the power switch on the side of the cassette mechanism assembly Remove the screw I attaching the power switch 1 2 Removing the power switch See Fig 9 Cassette mechanism assembly Solding l H Mute switch board Solding m I Rower switch Cassette mechanism assembly Rower switch Motor assembly Fig 8 Fi...

Page 12: ...fier 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 Volume position is about 2V at speaker output with following conditions Playback the test tape VT721 AM mode 999kHz 62dB INT 400Hz 30 modulation signal on recieving FM mono mode 97 ...

Page 13: ...uth screw Fixed screw Height adjusting screw c Height adjusting screw b Height adjusting screw a Arrangement of Adjusting Test points Head section view Cassette mechanism Surface Tape speed adjust Motor assembly Playback head Azimuth screw ...

Page 14: ...is type of extension cord is needed to check operation of the mechanism assembly after disassembly 3 Extension cord EXTKSRT002 6P 6 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...

Page 15: ...w b In this case the phase difference should be within 45 3 Engage the reverse mode and adjust the output level to maximum with azimuth adjustment screw c The phase difference should be 45_Kor more 4 When switching between forward and reverse modes the difference between channels should be within 3dB Between FWD Lch and Rch REV Lch and Rch 5 When the test tape VT721 315Hz is played back the level ...

Page 16: ...BL 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 Not u...

Page 17: ... 5 6 7 8 9 10 11 12 ILL MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND 10V power supply for illumination When 5V is input becomes AM and the antenna output is turned on When 5V is input becomes AM and the output of FM is switched When 5V is input outputs to ILL COM and AMP It is 0V usually 5 6V power supply Power supply supply to remote amplifier Back up connects with ACC with it Power supply suppl...

Page 18: ...rts Output only port Key source signal output only ports General purpose input output port Output only port Power supply connections General purpose input output external interrupt shared port General purpose output port DAC shared output pins General purpose input output ports General purpose output port BEEP tone shared output pins Key return signal input only port of which threshold voltage is ...

Page 19: ...H BUS DRIV LATCH BUS DRIV LATCH BUS DRIV LATCH BUS DRIV LATCH BUS DRIV LATCH BUS DRIV BUS DRIV SIO RAM 512 4bits ADDRESS DECODER ROM 12K 16bits BUS DRIVER INSTRU CTION DECODER ADDRESS DECODER PROGRAM COUNTER STACK JUDGE ALU ADC PP3 PP2 PP1 PP0 PO3 PO2 PO1 PO0 PN3 PN2 PN1 PN0 BEEP PM3 PM2 PM1 PM0 PL3 PL2 PL1 PL0 PK3 PK2 PK1 INT1 PK0 INT0 PJ3 PJ2 PJ1 PJ0 MPX 1 16 1 17 3 Block diagram HOLD TEST1 TEST...

Page 20: ...p 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 ...

Page 21: ... Off state of three state output High impedance Note HD74HC126P IC751 CD CHANGER 2 Pin function 1 Terminal layout 1 2 3 4 5 6 7 1C 1A 1Y 2C 2A 2Y GND Vcc 4C 4A 4Y 3C 3A 3Y 14 13 12 11 10 9 8 ANP1 ANP2 UPC1228HA 1 2 3 4 5 6 7 8 IN1 NFB1 OUT1 VCC GND OUT2 NFB2 IN2 UPC1228HA IC901 Head amp ...

Page 22: ...Printed in Japan 200101 V VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49589 KS FX201 ...

Page 23: ...TOP MONO SD ST S METER FM OSC EO BAND TUNER L TAPE IN PROG BUS SI BUS SO BUS SCK BUS I O OUT L Front Lch Front Lch Rear Lch Rear OUT SDA SCL CN901 CP721 CN721 CP751 KEY 0 2 CJ701 LCDDA LCDCK LCDCE F R S8 S52 COM1 COM3 CP701 TAPE L LCH F R LCH CP901 CJ901 J1 FM TO SPEAKER CONNECTOR TO LINE REAR OUT Tuner Power AMP Changer System Controller LCD DRIVER KEY SWITCH CIRCUT HEAD AMPLIFIER CIRCUIT CJ921 C...

Page 24: ... M E M O KS FX201 2 2 ...

Page 25: ...33 0 033 0 22 0 22 22K 22K KRC102M T 1SS119 041 12K 6 8 0 01 1K 1K HD74HC126P QNZ0095 001 10K 470P LC72362N XXXX 3 3K 4 7K 10 27K 27K 470P 3 3K 470P 470P 82K 82K 47K 0 01 0 01 82K 4 7 25 4 7K 47K 1 50 4 7 25 10 KRA102M T 3 3K KRC102M T 47K 3 3K KRC102M T 1K 82K 27K 27K TEA6320T 2SA1706 ST T KTA1267 YG T KRC102M T KTC3199 GL T KTC3199 GL T 2 2 50 0 001 1K 10K 1 5K 1K 4 7uH 2200 16 1N5401TM 820 100 ...

Page 26: ...203 C103 CJ901 R204 R104 C901 C201 C101 C202 C102 R203 R103 C204 C104 R201 R101 C205 C105 R901 QGB1214K1 06S QGA2002F1 06 QGB1214K1 06S UPC1228HA 100p 100p QGA2002C1 05 330k 330k 820p 820p 0 47 50 0 47 50 100 100 47 6 3 47 6 3 0 01 0 01 100 10 100 NOTE s C jes 3161me 001 KS FX200J KS F315EE KS FX201USERIES FSDH3161 006MW 2 3 ...

Page 27: ...1 5k QLD0145 001 470 560 390 470 270 330 390 270 330 390 VMC0335 001 820 820 820 270 560 820 820 470 560 820 150k 820 MA152WK X MA152WK X MA152WA X 510 330 330 MA152WA X 820 820 820 820 820 820 820 510 10K 10K 10K S52 COM2 COM1 COM3 S51 S50 S49 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S9 S8 COM2 COM3 S52 S8 S9 S10 S11 S10 S11 S12 S13 S14 S15 S16 S48 S47 S46 S45 S44 S43 S42 S...

Page 28: ...09 R710 R712 R713 R714 R715 R716 R717 R718 R719 R720 R721 R722 R723 R724 R725 R726 R727 R751 R752 R753 R754 R755 R756 R757 R758 R759 R760 R761 R762 R763 R764 R771 R772 R773 R774 R797 R783 R784 R785 R786 R789 R790 R18 R795 R796 R931 R951 R971 R972 R787 X701 CJ701 C988 D990 C987 C10 D786 D785 R788 CP751 C984 Q988 Q987 C12 C14 C982 C983 L783 C707 R990 C13 TU1 IC751 C9 Q701 IC781 D705 R792 R704 C781 D...

Page 29: ... R608 R609 R610 R611 R612 R613 R615 R616 R617 R640 R641 R642 R643 R644 R645 R646 R647 R648 R649 S601 S602 S603 S604 S605 S606 S607 S608 S609 S610 S611 S612 S613 S614 S615 S616 S617 S618 S619 S620 PL603 FSMW1077A S03 C651 C652 C653 CP701 D652 D654 PL601 R614 R621 R622 R623 R631 R632 R633 R634 R650 R651 R661 R662 R663 PL603 49 1 17 33 FSMW1077A T03 LCD Driver Operation switch board Solder side Parts...

Page 30: ...emblies 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 FX201 3 2 3 5 3 10 3 14 Areas suffix U Other Areas ...

Page 31: ...KS FX201 3 2 Main board LCD Switch board 28 50 52 60 61 Exploded view of general assembly and parts list Block No M M M 1 30 1 15 ...

Page 32: ...SPRING 1 19 FSXP3026 002 RLS KNOB 1 20 FSKW3002 004 COMP SPRING 1 21 CASSETTE MECHA 1 CDS 363SJ1 22 VKL7821 001 EJECT LEVER 1 24 FSJK3014 001 LIGHT LENS 1 25 FSYH4036 031 SHEET 1 PRESET BTN 1 6 DISP RPT SCAN 26 FSXP2035 108 PRESET BUTTON 1 27 FSXP4005 026 BBE BUTTON 1 28 FSXP2044 001 COMBO BUTTON 1 29 FSXP3053 002 POWER BUTTON 1 30 FSXP2034 037 D FUNC BUTTON 1 FM AM CD CH LOUD MD RND 31 FSXP3068 0...

Page 33: ...mbly Q ty Description Block No M1MM 52 FSJK3034 001 LCD LENS 1 54 FSYH3022 001 LCD CASE 1 55 FSKS3021 001 LENS CASE 1 56 QYSDST2606Z SCREW 2 REAR BKT CONNECTOR 60 QYSDST2606Z SCREW 1 REAR BKT CD IN JACK 61 QYSDSF3006Z SCREW 1 REAR BKT PIN JACK LCD 1 QLD0145 001 LCD MODULE 1 ...

Page 34: ...54 42 70 107 9 74 117 4 43 73 40 1 117 7 77 66 109 123 96 23 69 61 47 31 119 109 45 46 109 65 67 58 118 114 105 106 116 115 5 6 8 3 110 25 68 61 19 109 20 22 62 83 76 101 95 117 85 15 80 16 86 87 106 26 94 122 71 107 121 53 107 Cassette mechanism assembly and parts list Block No M M M 2 CDS 363SJ1 120 89 ...

Page 35: ... 25 1 0036 1023S CHANGE LEVER B 1 26 1 0036 1026S FR ARM B 1 30 1 0138 1002S CASSETTE HANGER 1 X 31 1 0138 1006S ADJUSTER SHIM 1 X 32 1 0138 1010S CASSETTE HOLDER 1 X 35 1 0363 1003S EJECT CAM 1 37 1 0036 2001S IDLE GEAR 1 38 1 0036 2003S REDUCTION GEAR 1 B 39 1 0036 2004S REDUCTION GEAR 1 A 40 1 0036 2007 5S RATCHET 1 41 1 0036 2009S SENSOR ARM 1 42 1 0036 2010S SELECTOR GEAR 1 43 1 0036 2014S DE...

Page 36: ...S SELECTOR LINK B 1 85 1 0036 7002S WIRE A 1 BLACK 60MM 86 1 0036 7003S WIRE B 1 RED 60MM 87 1 0036 7073S WIRE AL 1 YELLOW 55MM 89 X 0363 7006S MOTOR ASSY 1 93 1 0363 7001S MUTE SWITCH 1 94 1 0363 7002S SLIDE SWITCH 1 95 1 0363 7008S SLIDE SW PWB 1 96 1 0036 7016S HEAD 1 97 1 0363 7005S POWER SWITCH 1 100 1 0036 7089S 6P WIRE ASY JVC 1 101 1 0036 7088S 5P WIRE ASY JVC 1 105 2 1816 0032 E8S LMW S 2...

Page 37: ...KS FX201 3 8 Grease point 1 2 Grease Reverse side FL 942 SW 902 SW522B FG 84M C68 1 A 2 72 24 ...

Page 38: ...KS FX201 3 9 Grease point 2 2 12 35 5 30 20 19 15 16 39 38 42 43 4 37 3 ...

Page 39: ...3Z MF CAPACITOR 0 01MF 5 50V C 751 QDYB1CM 103Y C CAPACITOR C 771 QERF1AM 227Z E CAPACITOR 220MF 20 10V C 772 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 773 QDGB1HK 102Y C CAPACITOR C 781 QEKJ1CM 106Z E CAPACITOR 10MF 20 16V C 783 QETN0JM 228Z E CAPACITOR 2200MF 20 6 3V C 784 QERF1AM 227Z E CAPACITOR 220MF 20 10V C 785 QERF1HM 105Z E CAPACITOR 1 0MF 20 50V C 786 QETM1AM 228 E CAPACITOR 2200MF 20 10V ...

Page 40: ...ESISTOR 100 5 1 4W R 265 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R 702 QRE141J 473Y C RESISTOR 47K 5 1 4W R 703 QRE141J 473Y C RESISTOR 47K 5 1 4W R 704 QRE141J 103Y C RESISTOR 10K 5 1 4W R 705 QRE141J 473Y C RESISTOR 47K 5 1 4W R 707 QRE141J 473Y C RESISTOR 47K 5 1 4W R 708 QRE141J 473Y C RESISTOR 47K 5 1 4W R 709 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R 710 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R 712 QRE...

Page 41: ...2J 821X MG RESISTOR R 612 NRSA02J 271X MG RESISTOR R 613 NRSA02J 331X MG RESISTOR R 614 NRSA02J 391X MG RESISTOR R 615 NRSA02J 471X MG RESISTOR R 616 NRSA02J 561X MG RESISTOR R 617 NRSA02J 821X MG RESISTOR R 621 NRSA02J 103X MG RESISTOR R 622 NRSA02J 103X MG RESISTOR R 623 NRSA02J 103X MG RESISTOR R 631 NRSA02J 821X MG RESISTOR R 632 NRSA02J 821X MG RESISTOR R 633 NRSA02J 821X MG RESISTOR R 634 NR...

Page 42: ...KS FX201 3 13 M E M O ...

Page 43: ...KS FX201 3 14 KIT A3 A7 A1 A2 P1 P4 A9 A11 A11 A8 A10 P3 P2 Packing materials and accessories parts list Block No M M M 3 Block No M M M 4 P5 P5 A7 A7 A3 A3 A4 A4 A5 A5 A6 A6 ...

Page 44: ... Parts name Area A Parts list Accessories Q ty Description Block No M4MM A 1 GET0023 001A INSTRUCTIONS 1 A 2 GET0023 002A INSTALL MANUAL 1 A 3 VKZ4027 202 PLUG NUT 1 A 4 VKH4871 001SS MOUNT BOLT 1 A 5 VKZ4328 001 LOCK NUT 1 FOR M5 A 6 WNS5000Z WASHER 1 A 7 FSKL4010 002 HOOK 2 A 8 FSJB3002 30C HARD CASE ASSY 1 A 9 FSKM2004 202 MOUNTING SLEEVE 1 A 10 QAM0013 006 16P CORD ASS Y 1 A 11 FSJD2034 004 TR...

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