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SCHEMATIC DIAGRAMS

KS-FX921

Contents

CD-ROM No.SML200305

SOUND

VOL

VOL

SOURCE

R

F

U

D

ATT

CASSETTE RECEIVER

No.49846SCH

2003/05

COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.

KS-FX921

Block diagram
Standard schematic diagrams
Printed circuit boards

2-1
2-2
2-5 to 7

Area Suffix

U --------------------- Other Areas

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Содержание KS-FX921

Страница 1: ...NY OF JAPAN LIMITED No 49846 2003 5 CASSETTE RECEIVER 49846 2003 6 KS FX921 TABLE OF CONTENTS 1 Precaution 1 3 2 Disassembly method 1 4 3 Adjustment 1 19 4 Description of major ICs 1 23 SOUND VOL VOL SOURCE R F U D ATT Area Suffix U Other Areas ...

Страница 2: ...M 87 5 MHz to 108 0 MHz AM 531 kHz to 1 602 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 ΩV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 ΩV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 ΩV Selectivity 35 dB CASSETTE DECK SECTION Wow Flutter 0 11 WRMS Fast Wind Time 100 sec C 60 Frequency R...

Страница 3: ...6 1 3 SECTION 1 Precaution 1 1 Safety Precautions 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 ...

Страница 4: ...from the main body CAUTION When releasing the joints using a screwdriver do not damage the main board Fig 2 2 1 3 Removing the front chassis assembly See Figs 3 and 4 Prior to performing the following procedures remove the front panel assembly and bottom cover 1 Remove the two screws A on the both sides of the main body See Fig 3 2 Remove the two screws B on the front side of the main body See Fig...

Страница 5: ... panel assembly and bottom cover 1 Remove the two screws E three screws F and three screws G attaching the rear panel on the back side of the main body Fig 6 2 1 6 Removing the main board See Fig 7 Prior to performing the following procedures remove the front panel assembly bottom cover front chassis assembly heat sink and rear panel 1 Remove the two screws H attaching the main board on the top ch...

Страница 6: ...tte mechanism assembly Fig 8 2 1 8 Removing the mecha board See Fig 9 Prior to performing the following procedures remove the front panel assembly bottom cover front chassis assembly heat sink rear panel and main board 1 Disconnect the wire from the connector CN402 on the mecha board 2 Disconnect the card wire from the connector CN403 on the mecha board 3 Remove the screw K attaching the mecha boa...

Страница 7: ...ttaching the rear cover on the back side of the front panel assembly See Fig 10 2 Release the nine joints g the front panel assembly and rear cover become separate See Fig 11 3 Remove the front board from the front panel assembly See Fig 12 Fig 10 Fig 11 Fig 12 L L L Rear cover Joints g Joints g nt g Joint g ar cover Front panel assem Front board Front panel assembly ...

Страница 8: ... guide See Fig 2 1 Turn the mode gear to set to RVS play or subsequent mode 2 Remove the cassette guide from the main chassis while re leasing each two joint tabs a in the direction of the arrow Fig 2 2 2 2 Removing the load arm See Fig 3 1 Remove the E washer attaching the load arm 2 Move the load arm in the direction of the arrow and release the joint b on the cassette catch Fig 3 Mode gear Cass...

Страница 9: ...older stabilizer spring from the hooks e and f then pull out from the cassette hanger assembly 4 Bring up the rear side of the cassette hanger assembly to release the joint g and h 5 Pull out the cassette catch from the cassette hanger as sembly Fig 4 Fig 5 Fig 6 Fig 7 Cassette holder assembly Side bracket Joints c Cassette holder assembly Cassette hanger assembly Boss d Boss d Cassette hanger ass...

Страница 10: ...t i and j in the rear CAUTION When reassembling make sure that the boss k of the main chassis is set in the notch of the load rack under the side bracket assembly Do not reattach the load rack on the boss k CAUTION After reattaching the side bracket assembly confirm op eration Fig 8 Fig 9 Fig 10 A Side bracket assembly Side bracket assembly Joint i Joint j Joint i Joint j Side bracket assembly Bos...

Страница 11: ...nd the tape guide 1 Move the slide chassis assembly in the direction of the ar row to release the two joints l and remove from the main chassis 2 Remove the rack link CAUTION When reassembling first reattach the rack link and next fit the boss m and hook n of the slide chassis assembly to the hole of the main chassis and engage the two joints l Fig 11 Fig 12 Fig 13 Fig 14 Polywasher Polywasher Pin...

Страница 12: ...ng arm remarked o CAUTION When reattaching the head set the wires into the groove of the tape guide Fig 16 2 2 9 Removing the flywheel assembly F R See Fig 18 and 19 REFERENCE It is not necessary to remove the slide chassis assembly 1 Remove the belt at the bottom 2 Remove the two polywashers on the upper side 3 Pull out each flywheel assembly downward Fig 15 Fig 16 Fig 17 Fig 18 B Slide chassis a...

Страница 13: ...e reel board See Fig 21 and 22 1 Remove the two screws C attaching the reel board 2 Move the reel board in the direction of the arrow to release the joint r 3 Unsolder the wires if necessary CAUTION When reattaching confirm operation of the MODE switch and the ST BY switch The mode position be tween EJECT and ST BY is optimum for reattach ing Connect the card wire extending from the reel board to ...

Страница 14: ...re leasing the two joints s 4 Move the gear base link assemby in the direction of the ar row to release the two joints t REFERENCE When reattaching the gear base arm make sure that the boss on the gear base assembly is inside the gear base spring 2 2 14 Removing the FFC pad See Fig 25 and 27 1 Push each joint hook u of the FFC pad and remove toward the bottom Fig 23 Fig 24 Fig 25 Gear base link as...

Страница 15: ... joints a and move in the direction of the arrow Refer to Fig 28 REFERENCE When reattaching the direction link move the direction plate in the direction of the arrow and engage the three joint x y and z at a time Refer to Fig 29 2 2 18 Removing the mode rack assembly See Fig 27 and 28 1 Move the mode rack assembly in the direction of the arrow to release the two joints b and the joint c REFERENCE ...

Страница 16: ...hassis REFERENCE The parts are damaged when removed Please replace with new ones 2 2 20 Removing the reel driver reel spindle See Fig 32 1 Draw out the reel driver from the shaft on the main chassis and remove the reel driver spring and the reel spindle re spectively CAUTION The reel driver is damaged when removed Please re place with a new one Fig 30 Fig 31 Fig 32 Gear base assembly Pin d Slot e ...

Страница 17: ... h 4 Move the eject cam plate in the direction of the arrow to re lease the joint i CAUTION When reassembling confirm operation of each part be fore reattaching the eject cam plate spring Fig 33 Fig 34 Fig 35 Fig 36 Fig 37 Joint f Load rack Eject cam plate spring Eject cam limiter Side bracket assembly Boss g Joint h Load rack Joint f Joint h Boss g Eject cam limiter Side bracket assembly Joint h ...

Страница 18: ... motor assem bly 7 Unsolder the wires on the reel board if necessary CAUTION When reassembling adjust the length of the wires ex tending from the sub motor asswmbly by attaching them to the side of the sub motor assembly with the wires ex tending from the main motor assembly using a spacer Fig 38 Fig 39 Fig 40 Belt Polywasher Polywasher Mode gear Reduction gear A Main motor assembly D Sub motor as...

Страница 19: ...lable as service parts Contents Exploded view of general assembly and parts list Block No M1 Cassette mechanism assembly and parts list Block No MP Electrical parts list Block No 01 03 Packing materials and accessories parts list Block No M3 KS FX921 3 2 3 4 3 8 3 12 Area suffix U Other Areas ...

Страница 20: ...d Mecha control board A B B A 60 62 61 68 44 47 45 52 79 50 53 39 49 46 64 67 59 55 54 43 51 57 58 41 48 42 57 56 57 56 LCD1 63 40 66 17 19 18 19 20 4 4 4 3 12 12 4 1 12 12 7 8 5 2 6 38 37 22 33 32 23 35 30 31 24 25 36 28 15 27 15 21 29 34 26 13 14 16 9 13 70 69 73 71 72 14 76 77 75 78 11 10 74 65 50 ...

Страница 21: ...VKZ4777 001 MINI SCREW 36 GE40164 001A T SPRING 37 FSJC3014 001 CASS LID 38 VKW4947 002 DOOR SPRING 39 GE10044 014A FRONT PANEL 40 GE30855 003A FINDER ASSY 41 GE30840 002A SEL BTN 42 FSYH4036 032 SHEET 43 GE30537 001A POWER BUTTON 44 GE20124 007A D FUNC BUTTON 45 GE30581 006A NAV UP BTN 46 GE30582 001A NAV DN BTN 47 GE40148 002A NAV CAP 48 GE40132 001A VOL KNOB 49 GE20129 001A PRESET BUTTON 50 FSY...

Страница 22: ... CDS 802JE3 86 82 84 83 87 85 22 13 74 49 48 72 12 71 2 41 60 51 31 47 21 43 10 11 7 44 37 45 40 42 61 1 6 35 26 50 23 63 67 73 91 25 4 96 27 24 59 28 17 94 64 34 46 3 39 66 66 38 38 32 5 62 75 93 65 33 16 116 108 106 114 114 113 113 110 111 111 107 107 114 111 109 109 117 ...

Страница 23: ...KE UP GEAR 45 1 0802 2017S REFLECTOR GEAR 46 1 0802 2018S RACK LINK 47 1 0802 2019S MODE SW ACTUATR 48 1 0802 2020S FRICTION GEARPL 49 1 0802 2021S FRICTION GEARFF 50 1 0802 2022S CASSETTE CATCH 51 1 0802 2026S FFC PAD 59 1 0802 4001S EJECT CAM PL SP 60 1 0802 4002S TU SPG 61 1 0802 4003S FF SPG 62 1 0802 4004S PINCH ARM SPG 63 1 0802 4005S HOLDER STAB SPG 64 1 0802 4006S HOLDER CUSH SPG 65 1 0802...

Страница 24: ...KS FX921 3 6 Grease point 1 2 FG 84M CFD 409 EP 56 SW 474B SW 902 MEN 223 MEA 512R CFD 250H 1 2 3 5 6 4 ...

Страница 25: ...KS FX921 3 7 Grease point 2 2 11 12 7 21 24 27 28 46 44 41 62 33 35 13 10 42 39 ...

Страница 26: ... 105Z E CAPACITOR 1uF 50V M C91 NCB31EK 223X C CAPACITOR 0 022uF 25V K C92 QERF1HM 105Z E CAPACITOR 1uF 50V M C162 QERF1HM 105Z E CAPACITOR 1uF 50V M C163 QERF1HM 105Z E CAPACITOR 1uF 50V M C164 NCB31HK 822X C CAPACITOR 8200pF 50V K C165 NCB21CK 184X C CAPACITOR 0 18uF 16V K C166 NCB31AK 224X C CAPACITOR 0 22uF 10V K C167 NCB31CK 333X C CAPACITOR 0 033uF 16V K C168 NCB31HK 562X C CAPACITOR 5600pF ...

Страница 27: ...3J 222X MG RESISTOR 2 2kΩ 1 16W J Symbol No Part No Part Name Description Local R351 NRSA63J 273X MG RESISTOR 27kΩ 1 16W J R353 NRSA02J 102X MG RESISTOR 1kΩ 1 10W J R354 NRSA02J 101X MG RESISTOR 100Ω 1 10W J R355 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R702 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R703 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R704 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R705 NRSA63J 472X ...

Страница 28: ...21X MG RESISTOR 820Ω 1 16W J R613 NRSA63J 821X MG RESISTOR 820Ω 1 16W J R614 NRSA63J 122X MG RESISTOR 1 2kΩ 1 16W J R620 NRS181J 821X MG RESISTOR 820Ω 1 8W J R621 NRSA02J 122X MG RESISTOR 1 2kΩ 1 10W J R622 NRSA02J 122X MG RESISTOR 1 2kΩ 1 10W J R623 NRSA02J 122X MG RESISTOR 1 2kΩ 1 10W J R624 NRSA02J 122X MG RESISTOR 1 2kΩ 1 10W J R625 NRSA02J 561X MG RESISTOR 560Ω 1 10W J R626 NRSA02J 561X MG RE...

Страница 29: ...Z E CAPACITOR 0 47uF 50V M C421 NCB31HK 183X C CAPACITOR 0 018uF 50V K C422 NCB31EK 104X C CAPACITOR 0 1uF 25V K C423 QERF1CM 106Z E CAPACITOR 10uF 16V M C424 NCB31EK 104X C CAPACITOR 0 1uF 25V K C425 NCB31HK 103X C CAPACITOR 0 01uF 50V K R401 NRS181J 681X MG RESISTOR 680Ω 1 8W J R402 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R403 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R404 NRSA63J 104X MG RESISTOR 1...

Страница 30: ...KS FX921 3 12 Packing materials and accessories parts list Block No M M M 3 P7 P7 P5 A1 A13 P4 A8 P3 P2 A11 A12 KIT A9 A10 P6 A2 A3A4 A6 A5 A7 P1 ...

Страница 31: ...K NUT A 6 WNS5000Z WASHER A 7 GE40130 001A HOOK x2 A 8 FSJB3001 30C HARD CASE A 9 GE20137 003A MOUNTING SLEEVE A 10 GE20149 007A TRIM PLATE A 11 RM RK50 REMOCON UNIT A 12 BATTERY A 13 QAM0308 001 16 CORD ASSY KIT KSFX480K SCREW1 SCREW PARTS KIT A3 to A7 P 1 FSPG4002 001 POLY BAG P 2 QPA00801205 POLY BAG 8cm x 12cm P 3 QPA01003003 POLY BAG 10cm x 30cm P 4 FSYH4036 068 SHEET P 5 QPC03004315P POLY BA...

Страница 32: ... No SML200305 SOUND VOL VOL SOURCE R F U D ATT CASSETTE RECEIVER No 49846SCH 2003 05 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD KS FX921 Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 2 2 5 to 7 Area Suffix U Other Areas ...

Страница 33: ...KS FX921 2 4 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 34: ...1 to COM3 S1 to S68 LCDDA LCDCL LCDCE KEY0 to KEY2 REMOCON LINE OUT IC801 J BUS IC701 MICON IC901 REGULATOR IC161 E VOLUME IC301 POWER AMP TU1 FM AM TUNER CP401 CN701 CN901 CJ321 CJ 801 CD CH J1 ANT MONO SD ST S METER AM FM IFC FMOSC EQ TU L TU R FRONT LEFT FRONT RIGHT REAR LEFT REAR RIGHT OUTLF OUTRF OUTLR OUTRR CH L CH R JBUS SI JBUS SO JBUS IO JBUS INT JBUS SCK SI SO SCK LFOUT LFOUT LROUT LROUT...

Страница 35: ...1k 1k 2SD1781K QR X 2 2k 2 2k 2 2k 2 2k UN2111 X 0 1 1SS355 X 47k 1SS355 X 1SS355 X 0 022 0 022 1N5401 F64 3300 16 UN2211 X 1SS355 X 220k AN80T05 2SA1037AK RS X UN2211 X QGB1214J1 18S HD74HC126FP X QNZ0095 001 56k 47K 4 7k 4 7k 100k 100 100k 10K 0 047 4 7k 0 1 4 7k 0 27p 1SS355 X 4 7uH 2SA1037AK RS X QAM0308 001 47K 47k 47k 22p SLR 56MC3F QAX0406 001Z 100 UDZS6 2B X 47k 47K 10k 10k 47k 47k 47K 47k...

Страница 36: ...k 1 8k 820 820 820 1 2k 1 8k 3 3k 47 10k 10k 10k 1k 47k 0 1 330k 1SS355 X 1SS355 X NSPW310BS BRS 560 560 430 1 2k 1 2k 1 2k 0 1 2k 560 0 22 1SS355 X 390k 1 8k 1SS355 X 1SS355 X UDZS5 1B X 0 22 0 01 1 2k 1 2k 1 2k 1 2k 220p 4 7 6 3 SML 310LT MN X 560 1 8k 1SS355 X 1SS355 X 560 UDZS5 6B X 560 510 510 560 560 820 47k NSPW310BS BRS NSPW310BS BRS 430 430 UN2211 X 100 1k 2SB624 4 X LCDCE LCDDA LCDCL KEY...

Страница 37: ...R415 R406 R407 R405 C404 R404 C403 C402 R411 VR402 R413 C407 C417 R422 R423 D402 R403 R425 CN402 C423 R424 R412 R417 R402 C401 C405 C408 0 015 QGB1214K1 18S 22 16 0 015 1 5M 0 1 UN2211 X 2SB1322 RS T LB1641 0 01 0 1 680 15k CXA2560Q QGF1219F1 10S 0 1 0 1 0 1 MA3047 H X 33k 12k 22 16 24k 0 47 50 0 01 220p 24k 3 9k 100p 0 018 22k 180 180 100k 100p 100k 100p 100p 12k 33k 18k 100p 0 1 3 3k 47k 1A3G T1...

Страница 38: ...7 C241 C242 C244 C301 C302 C303 C313 C314 C315 C322 C332 C342 C352 C710 C781 C782 C881 C901 C902 C903 C904 C905 C906 C907 C912 C914 CJ321 CN701 CN901 CP401 D753 D901 IC301 IC901 IC902 J1 J801 L1 L901 L902 Q905 B103 R901 S701 S702 S703 TU1 X701 B401 B402 B151 B451 B153 B154 B155 B156 B51 B52 B202 B53 B55 B204 B56 B201 B101 B102 B54 B203 B157 B158 B159 C305 C916 C917 ...

Страница 39: ... Q4 Q5 Q31 Q32 Q241 Q301 Q321 Q331 Q341 Q351 Q701 Q781 Q782 Q881 Q891 Q901 Q902 Q903 Q904 Q905 Q906 Q907 Q976 Q977 R1 R2 R3 R4 R5 R6 R7 R8 R9 R13 R21 R22 R23 R24 R25 R26 R31 R32 R33 R34 R35 R36 R81 R82 R91 R92 R161 R162 R165 R166 R171 R172 R175 R176 R177 R241 R242 R243 R244 R245 R246 R247 R248 R249 R302 R303 R305 R321 R323 R324 R325 R331 R333 R334 R335 R341 R343 R344 R345 R351 R353 R354 R355 R702 ...

Страница 40: ... D603 D604 D605 D606 D607 D608 D609 D610 D611 D612 D613 D614 D615 D616 D617 D618 D619 D620 D621 D622 D623 D624 D625 D641 D642 D643 EN601 IC602 R601 R602 R608 R609 R610 R611 R612 R613 R614 R639 R640 R650 S601 S602 S603 S604 S605 S606 S607 S608 S609 S610 S611 S612 S613 S614 S615 S616 S617 LCD1 C601 C602 C603 C604 C605 C606 CN601 D641 D642 D643 D651 D652 D653 D654 D655 D656 D657 D658 D659 EN601 I C 6...

Страница 41: ...KS FX921 VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49846SCH Printed in Japan 2003 05 ...

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