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JVC KS-FX911 Service Manual

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QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
Contents
www
.
http://www.xiaoyu163.com
CASSETTE RECEIVER
KS-FX911/KS-FX811
SOUND
U
R
SOURCE
F
D
VOL
VOL
KS-FX911
SOUND
U
R
F
SOURCE
D
VOL
VOL
KS-FX811
Difference point
KS-FX911
KS-FX811
x
ao
i
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
8
50W X 4
KS-FX911
Multi
Music
Scan
Q Q
3
6 7
1 3
50W X 4
KS-FX811
Multi
Music
Scan
LCD Display
Dimmer Cellular Muting
Multi
Nega
.
KS-FX911/KS-FX811
2 9
9 4
2 8
TAPE
1 5
0 5
8
2 9
9 4
TAPE
Area Suffix
U --------------------- Other Areas
1- 2
1- 3
1-17
1-20~29
9 9
2 8
9 9
No.49730
Apr. 2002

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Summary of Contents for JVC KS-FX911

  • Page 1: Table Of Contents

    KS-FX911/KS-FX811 3 7 63 1515 0 SERVICE MANUAL CASSETTE RECEIVER KS-FX911/KS-FX811 SOUND 50W X 4 KS-FX911 Multi SOURCE Music TAPE Scan KS-FX911 L 13942296513 SOUND 50W X 4 KS-FX811 SOURCE Multi Music TAPE Scan Area Suffix KS-FX811 U --------------------- Other Areas...

  • Page 2: Safety Precaution

    KS-FX911/KS-FX811 3 7 63 1515 0 Safety precaution 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. L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 3: Disassembly Method

    KS-FX911/KS-FX811 3 7 63 1515 0 Disassembly method <Main body> Removing the front panel unit Eject button (See Fig.1) Press the release switch and remove the front panel unit in the direction of the arrow. Front panel assembly Fig.1 Removing the front chassis (See Fig.2 to 4)
  • Page 4 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the heat sink (See Fig.5) Heat sink Remove the two screws C and the two screws D on the left side of the body. Fig.5 Removing the bottom cover Joint c (See Fig.6 and 7)
  • Page 5 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the main board Rear panel (See Fig.8 and 9) Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink and the bottom cover. Remove the screw E, the five screws F and the two screws G attaching the rear panel on the back of the body.
  • Page 6 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the (LCD & key) control switch board (See Fig.11 to 13) Prior to performing the following procedure, remove the front panel assembly. Remove the four screws J attaching the rear cover on the back of the front panel assembly.
  • Page 7 KS-FX911/KS-FX811 3 7 63 1515 0 REFERENCE: Prior performing following procedures, turn the mode gear on the bottom of the body until the respective part comes to the EJECT position (Refer to Fig.1). Removing the reinforce bracket (See Fig.1 and 2)
  • Page 8 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the load arm (See Fig.5) Load arm Remove the E-washer attaching the load arm. Move the load arm in the direction of the arrow and release the joint e on the cassette catch.
  • Page 9 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the side bracket assembly Side bracket assembly (See Fig.10 to 12) Joint l Remove the screw C attaching the side bracket assembly. Joint m Detach the front side of the side bracket assembly upward and pull out forward to release the joint l and m in the rear.
  • Page 10 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the head / tape guide (See Fig.18 and 19) Slide chassis assembly REFERENCE: It is not necessary to remove the slide chassis assembly. Remove the band attaching the wire to the head.
  • Page 11 KS-FX911/KS-FX811 3 7 63 1515 0 Disassembling the flywheel assembly (F) (See Fig.22 and 23) Push and turn counterclockwise the spring holder (F) Flywheel assembly (F) Flywheel assembly (R) to release the three joints s on the bottom of the flywheel.
  • Page 12 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the gear base arm / gear base Gear base arm Joint w link assembly (See Fig.27 to 29) Joints v Move the gear base arm in the direction of the arrow. Hook x...
  • Page 13 KS-FX911/KS-FX811 3 7 63 1515 0 Mode gear Mode switch actuator Removing the mode gear (See Fig.30 and 33) Remove the polywasher on the bottom and pull out the mode gear. Removing the mode switch actuator Polywasher (See Fig.30, 31 and 33) Pull out the mode switch actuator at the bottom.
  • Page 14 KS-FX911/KS-FX811 3 7 63 1515 0 Slot f' Removing the gear base assembly / take up gear / reflector gear (See Fig.34 to 36) Push in the pin e’ of the gear base assembly on the upper side of the body and move the reflector gear toward the bottom, then pull out.
  • Page 15 KS-FX911/KS-FX811 3 7 63 1515 0 Removing the side bracket assembly (See Fig.37 to 41) Remove the eject cam plate spring. Push the joint g‘ through the slot to remove the load rack downward. Joint g' Move the eject cam limiter in the direction of the arrow to release it from the boss h’...
  • Page 16 KS-FX911/KS-FX811 3 7 63 1515 0 Main motor Removing the main motor assembly / assembly sub motor assembly (See Fig.42 to 44) Reduction gear (B) Belt Reduction Remove the belt at the bottom. gear (A) Remove the polywasher and pull out the mode gear.

  • Page 17: Adjustment Method

    KS-FX911/KS-FX811 3 7 63 1515 0 Adjustment method Frequency Range Test Instruments reqired for adjustment 1.Digital osclloscope(100MHz) FM : 87.5 MHz to 108 MHz 2.Frequency Counter meter 3.Electric voltmeter AM : 531 kHz to 1602 kHz 4.Wow & flutter meter 5.Test Tapes...
  • Page 18 KS-FX911/KS-FX811 3 7 63 1515 0 Arrangment of adjusting Head amplifier board section (Reverse side) VR401:Rch VR402:Rch (Dolby NR Frequency response adj) (Dolby NR level adj) C418 C413 C419 R412 C416 C414 R416 C421 C422 R414 C412 VR401 Q401...
  • Page 19 KS-FX911/KS-FX811 3 7 63 1515 0 Item Adjustment and check method Adjust Spec 1.Tape position Playback at FWD side, use the mirror tape and Azimuth adjuste azimuth screw A and B, check the tape screw A position at tape guide position of the head.

  • Page 20: Description Of Major Ics 1-20~29

    KS-FX911/KS-FX811 3 7 63 1515 0 Description major of ICs AN80T05 (IC901) : Regulator 1.Terminal layout & Block diagram Reference Voltage ASO & Peak Current Protection Thermal Protection Drive Drive Drive Drive Drive L 13942296513 MODE2 MODE1 5.6V 8.7V 8.7V...
  • Page 21 KS-FX911/KS-FX811 3 7 63 1515 0 CXA2560Q (IC401) : Dolby B type noise reduction system with play back equalizer amp. 1.Pin layout & block diagram 7k/12k PBFB2 MSMODE 100k OFF/B PBRIN2 DRSW 300k MS MODE BIAS PBGND TAPESW MUTE...
  • Page 22 KS-FX911/KS-FX811 3 7 63 1515 0 HD74HC126P (IC801) : Changer control 1.Pin arrangement 2. Pin function Input Output ( TOP VIEW ) 3. Block diagram L 13942296513 u163 1-22 http://www.xiaoyu163.com...
  • Page 23 KS-FX911/KS-FX811 3 7 63 1515 0 KIA7810PI (IC902) : Regulator 1.Pin layout 2.Block diagram 1 INPUT 1 2 3 3 OUTPUT L 13942296513 2 GND RPM6938-SV4(IC602) : Remote sensor 1.Block diagram Comp Rout Detector conversion trimming circuit u163 magnetic...
  • Page 24 KS-FX911/KS-FX811 3 7 63 1515 0 LA47503(IC301) : Power amp. 1.Block diagram 2200 F 0.022 F Vcc 1/2 Vcc 3/4 IN 1 OUT 1+ 0.22 F OUT 1- PWR GND1 Protective circuit OUT 2+ IN 2 OUT 2- 0.22 F...
  • Page 25 KS-FX911/KS-FX811 3 7 63 1515 0 LA47503 2.Terminal layout 3.Pin function Pin No. Symbol Function Header of IC Power GND Output(-) for front Rch RFO(-) STBY Stand by input RFO(+) Output (+) for front Rch Power input VCC1/2 RRO(-)
  • Page 26 KS-FX911/KS-FX811 3 7 63 1515 0 LC72366-9A81 (IC701) : System CPU 1. Pin layout 2. Pin function Pin No. Symbol Function Crystal oscillator input port Connect to GND TEST2 Data input for J-BUS information J-BUS SI Data output for J-BUS information...
  • Page 27 KS-FX911/KS-FX811 3 7 63 1515 0 LC72366-9A81(2/2) Pin No. Port Name Function Main motor output, H:Transport L: Stop MOTOR Sub-motor output(+), Loading direction to transport output SUBMO+ Sub-motor output(-), Eject direction to transport output SUBMO- Non connection BEEP Switch for detecting to input cassette, L: Cassette in...
  • Page 28 KS-FX911/KS-FX811 3 7 63 1515 0 LC75873NW(IC601):LCD Driver 1.Pin layout 2.Block diagram VDD1 COMON SEGMENT DRIVER DRIVER VDD2 CLOCK SHIFT REGISTOR GENERATOR ADDRESS DETECTOR 3.Pin function Pin No. Pin name Description Segment outouts for displaying the display data S1/P1 TO S4/P4 79,80 transferred by serial data input.
  • Page 29 KS-FX911/KS-FX811 3 7 63 1515 0 TEA6320T-X (IC161) : E.volume 1.Pin layout 2.Block diagram VOLUME 2 MUTE 0 to 55 dB FUNCTION BALANCE OUTRR OUTLR ZERO CROSS FENDER REAR POWER DETECTOR OUTRF OUTLF SUPPLY VOLUME 1 BASS TREBLE +20 to -31 dB...
  • Page 30 KS-FX911/KS-FX811 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200204 (No.49730) http://www.xiaoyu163.com...
  • Page 31 KS-FX911/KS-FX811 3 7 6 3 1 5 1 5 0 Block diagram REAR LIGHT (+) FRONT LCH FM/AM REAR LEFT (-) TUNER FRONT LEFT (+) FRONT RCH IC161 IC301 FRONT LEFT (-) E.VOLUME REAR LCH POWER AMP FRONT RIGHT (-)
  • Page 32 KS-FX911/KS-FX811 KS-FX911/KS-FX811 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amp.section CJ321 IC301 LA47503 QAU0257-001 C362 R353 R354 0.22 R343 R344 C361 A.GND R333 R334 0.22 1/50 EVOLCLK R323 R324 QNB0100-002 1/50 EVOLDA 4.7uH 2.2/50...
  • Page 33 KS-FX911/KS-FX811 3 7 6 3 1 5 1 5 0 Mecha control section Q403 2SB1322/RS/-T R401 Q402 DTC114EKA-X CJ403 QGF1219F1-10 0.015 C411 IC401 CXA2560Q R418 22/16 1 3 9 4 2 2 9 6 5 1 3 C409 R416 1.5M...
  • Page 34 KS-FX911/KS-FX811 KS-FX911/KS-FX811 3 7 6 3 1 5 1 5 0 LCD & Key control section LCD1 IC602 IC601 RPM6938-SV4 LC75873NW CN601 ACC5V R660 QNZ0006-001 LCD1 REMOCON EN601 R661 1 3 9 4 2 2 9 6 5 1 3...
  • Page 35 KS-FX911/KS-FX811 Printed circuit boards 3 7 63 1515 0 Main board(Forward side) C901 IC901 B904 CJ321 B305 B304 B905 L901 C362 C361 R343 CP801 CP981 B903 C314 B901 D901 C315 R353 C906 CP701 B301 C905 R333 C914 B902 R335...
  • Page 36 KS-FX911/KS-FX811 3 7 63 1515 0 Main board(Reverse side) CONT IC901 CJ321 TU9V PCNT L901 R324 C362 C361 D901 CP801 CP981 C315 CP701 C316 C914 Q321 C904 D321 C317 Q351 D341 Q341 C907 C905 C162 C163 C181 R164 AMANT...

  • Page 37: Y U163 Co M

    KS-FX911/KS-FX811 3 7 63 1515 0 Mecha control board C418 R412 C413 C419 C416 C414 C421 R416 C422 R414 C412 VR401 Q401 R415 C410 R418 VR402 R413 B402 IC401 FSMW1093A C411 R423 R422 B409 B404 CJ403 IC402 R425 CJ401...
  • Page 38 KS-FX911/KS-FX811 3 7 63 1515 0 PARTS LIST [ KS-FX911 ] [ KS-FX811 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix U --------------------- Other Areas L 13942296513 - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)

  • Page 39: Tel 13942296513

    KS-FX911/KS-FX811 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 40 T.SPRING 1 FOR OPEN LEVER FSJC3014-001 CASSETTE LID VKW4947-002 DOOR SPRING GE10041-001A FRONT PANEL 1 KS-FX811 GE10041-003A FRONT PANEL 1 KS-FX911 GE30369-010A FINDER ASSY 1 KS-FX911 GE30369-011A FINDER ASSY 1 KS-FX811 GE20104-002A PRESET BUTTON 1 1-6 (2 COLOUR) SHEET FSYH4036-069...

  • Page 41: Www Ao

    1 RIM COVER GE30353-002A NAME PLATE 1 KS-FX811 GE30352-002A NAME PLATE 1 KS-FX911 LCD MODULE 1 KS-FX811 LCD1 QLD0220-001 QLD0217-001 LCD MODULE 1 KS-FX911 LCD1 QNZ0449-001 RUBBER CONNE QNZ0450-001 RUBBER CONNE GE30375-001A LCD CASE FSJK3028-001 LCD LENS FSYH4061-001 LIGHTNG SHEET L 13942296513...

  • Page 42: Ks-Fx911/Ks-Fx811

    KS-FX911/KS-FX811 3 7 63 1515 0 Cassette mechanism assembly and parts list Block No. CDS-802JE1 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 43 KS-FX911/KS-FX811 3 7 63 1515 0 Grease point 1/2 FG-84M MEA-512R MEN-223 SW-902 CFD-409 CFD-250H EP-56 SW-474B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 44 KS-FX911/KS-FX811 3 7 63 1515 0 Grease point 2/2 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 45: Qq

    KS-FX911/KS-FX811 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Q'ty Description Parts number Parts name Area X-0802-1009S MAIN CHASSIS AS X-0802-1002S SLIDE CHASSIS A X-0802-1003S SIDE BKT ASSY X-0802-1004S CASSETTE HANGER X-0802-1005S PINCH ARM F ASS...
  • Page 46 KS-FX911/KS-FX811 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Description Parts number Parts name Q'ty Area 1-0802-4007S GEAR BASE SPG 1-0802-4008S REEL DRIVER SPG 1-0802-4013S COMPULSION SPG 1-0802-5001S BELT 1-0802-5002S FELT 1 7.5*18.5*1.0 1-0802-5003S...
  • Page 47 KS-FX911/KS-FX811 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area QERF1CM-106Z E CAPACITOR 10MF 20% 16V C 341 QCBB1HK-471Y C CAPACITOR...
  • Page 48 KS-FX911/KS-FX811 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area D 715 MTZJ5.6B-T2 Z DIODE ACC5V R 34 QRE141J-103Y C RESISTOR...
  • Page 49 KS-FX911/KS-FX811 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 718 QRE141J-472Y C RESISTOR 4.7K 5% 1/4W S 701 QSW0451-001...
  • Page 50 KS-FX911/KS-FX811 3 7 63 1515 0 Block No. 03 Electrical parts list (Front board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 601 NBE20JM-475X TS E CAPACITOR R 621 NRSA02J-821X MG RESISTOR...
  • Page 51 KS-FX911/KS-FX811 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1,A2 L 13942296513 KIT:A3~A7 u163 3-14 http://www.xiaoyu163.com...
  • Page 52 FSYH4036-068 SHEET 1 MIRAMA SHEET POLY BAG 1 FOR HARD CASE QPA01003003 QPC03004315P POLY BAG 1 FOR SET PACKING CASE 1 KS-FX911 GE30407-021A GE30407-022A PACKING CASE 1 KS-FX811 GE10047-001A EPS CUSHION Parts list (Accessories) Block No. M5MM Item Parts number...

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