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JVC KS-FX611 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
.
http://www.xiaoyu163.com
CASSETTE RECEIVER
KS-FX611
LOUD
LOUD
DISP
DISP
SCAN
SCAN
7
8
Contents
x
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
2 9
8
CD CHANGER CONTROL
CD CHANGER CONTROL
Multi
Music
Scan
9
10
1 1
12
MO
3
6 7
1 3
1 5
.
9 4
2 8
Area Suffix
U
Other area
0 5
8
2 9
9 4
2 8
1- 2
1- 3
1-12
1-15~23
m
KS-FX611
9 9
9 9
No.49677
Feb. 2002

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Summary of Contents for JVC KS-FX611

  • Page 1: Table Of Contents

    KS-FX611 3 7 63 1515 0 SERVICE MANUAL CASSETTE RECEIVER KS-FX611 Area Suffix Other area CD CHANGER CONTROL CD CHANGER CONTROL LOUD LOUD DISP DISP Multi Music Scan SCAN SCAN L 13942296513 Contents Safety precaution 1- 2 Disassembly method...

  • Page 2: Tel 13942296513

    KS-FX611 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-FX611 3 7 63 1515 0 Disassembly method <Main body> Removing the front panel assembly (See Fig.1) Press the eject button in the lower right part of the front panel. Remove the front panel assembly from the body. Front panel assembly Eject button Fig.1...
  • Page 4 KS-FX611 3 7 63 1515 0 Removing the heat sink (See Fig.4) Remove the three screws A on the left side of the body. Heat sink Fig.4 Joints b Removing the bottom cover (See Fig.5 and 6) Bottom cover...
  • Page 5 KS-FX611 3 7 63 1515 0 Removing the main board (See Fig.7 and 8) 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 B, the five screws C and the two screws D attaching the rear bracket on the back of the body.
  • Page 6 KS-FX611 3 7 63 1515 0 Removing the control switch board (See Fig.10 to 12) Prior to performing the following procedure, remove the front panel assembly. Remove the four screws G attaching the rear cover on the back of the front panel assembly.
  • Page 7 KS-FX611 3 7 63 1515 0 Cassette mechanism ass’y <Removal of the cassette mechanism> Removing the head amplifier board. Head relay (See Fig.1 and 2) board For the 6pin wire extending from connector CN402 on the head amplifier board, disconnect it from the head relay board.
  • Page 8 KS-FX611 3 7 63 1515 0 Head relay board Removing the head relay board (See Fig.4) Unsolder the soldering b on the head relay board. Remove the screw C attaching the head relay board. Remove the head relay board in the direction of the...
  • Page 9 KS-FX611 3 7 63 1515 0 Cassette holder and holder arm Joint h Shaft Joint h Shaft Removing the play head (See Fig.9) Prior to performing the following procedure, remove the head relay board and the sub chassis. Fig.8 Remove the two screws F attaching the play head Pinch roller ass’y...
  • Page 10 KS-FX611 3 7 63 1515 0 Removing the flywheel Cassette mechanism ass’y Reel disc board (See Fig.10 and 12) Soldering j Prior to performing the following procedure, remove the head relay board, the load arm, the sub chassis, the cassette holder, the holder arm and the reel disc Tab k board.
  • Page 11 KS-FX611 3 7 63 1515 0 Push aside the gear and reattach the reel disc Ass’y( ). Removing the reel disc ass’y( ) (See Fig.12 to 15) ATTENTION: Prior to performing the following procedure, remove the reel disc ( ).

  • Page 12: Adjustment Method

    KS-FX611 3 7 63 1515 0 Adjustment method Tuner section Test Instruments reqired for adjustment BAND STEP 1.Digital osclloscope(100MHz) FM : 100kHz (Seek), 50kHz (Manual) 2.Frequency Counter meter AM : 9kHz step 3.Electric voltmeter 4.Wow & flutter meter DUMMY LOAD 5.Test Tapes...
  • Page 13 KS-FX611 3 7 63 1515 0 Arrangment of adjusting Head amplifier board section (Reverse side) VR402:Rch VR401:Rch (Dolby NR level adj) (Dolby NR Frequency response adj) B402 R411 C409 C410 VR401 VR402 C412 C411 B416 R413 C404 C418 C413...
  • Page 14 KS-FX611 3 7 63 1515 0 Item Conditions Adjustment and Confirmation methods S.Values Adjust Head Head height adjustment Test tape: azimuth Adjust the azimuth directly. When you SCC-1659 adjustment adjust the height using a mirror tape, VT703(10kHz) remove the cassette housing from the mechanism chassis.

  • Page 15: Description Of Major Ics 1-15~23

    KS-FX611 3 7 63 1515 0 Description of major 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 16 KS-FX611 3 7 63 1515 0 LC72366-9985 (IC701) : System CPU 1. Pin layout 2. Pin function Pin No. Symbol Function Crystal oscillator input port Connect to GND Data input for J-BUS information J-BUS SI Data output for J-BUS information...
  • Page 17 KS-FX611 3 7 63 1515 0 LC72366-9985(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 18 KS-FX611 3 7 63 1515 0 CXA2559Q (IC401) : Playback equalizer amplifier with music sensor 1.Pin layout 2.Blockdiagram 24dB 100k 7k/12k 300k MS MODE BIAS MUTE TAPE EQ FWD/RVS MS ON/ 300k 7k/12k 100k 24dB 3.Pin function Pin No.
  • Page 19 KS-FX611 3 7 63 1515 0 HA13158A (IC301) : Power amp 1. Pin layout 2. Block diagram PVCC2 PVCC1 INVCC STBY INPUTBUFFER1 AMP1 INPUTBUFFER2 AMP2 INPUTBUFFER3 AMP3 L 13942296513 INPUTBUFFER4 AMP4 MUTE PROTECTOR (ASO SURGE, TSD) LB1641 (IC402) : DC motor driver 2.
  • Page 20 KS-FX611 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 1-20 http://www.xiaoyu163.com...
  • Page 21 KS-FX611 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 (IC652) : Remote sensor 1.Block diagram Comp Rout Detector conversion trimming circuit magnetic...
  • Page 22 KS-FX611 3 7 63 1515 0 LC75823W (IC651) : LCD driver 1. Pin Layout & Symbol 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2.
  • Page 23 KS-FX611 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 24: Ao Y U163

    KS-FX611 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 200202 (No.49677) http://www.xiaoyu163.com...
  • Page 25 KS-FX611 Block diagram 3 7 63 1515 0 L 13942296513 CP701 CJ701 CJ401 CP701 CJ403 CJ402 u163 http://www.xiaoyu163.com...
  • Page 26 KS-FX611 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 27 KS-FX611 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amp section CJ321 QNN0170-001 QAU0257-001 IC301 HA13158A R353 R354 R343 R344 1/50 A.GND EVOLCLK 1/50 QNZB0100-002 EVOLDA R331 R351 R341 CH.L R321 R163 3.9k A.GND C167 TAPE.L...
  • Page 28 KS-FX611 KS-FX611 3 7 6 3 1 5 1 5 0 LCD & Key control section LCD1 CP701 VMC0335-001 IC652 RPM6938-SV4 JS601 QSW0793-001 1 3 9 4 2 2 9 6 5 1 3 R658 D601 R631 R651 MA152WK-X 1.5k...
  • Page 29 KS-FX611 3 7 6 3 1 5 1 5 0 Mechanism control section Q403 2SB1322/RS/-T R401 Q402 CJ403 DTC114EKA-X QGF1219F1-10 0.015 C411 R418 22/16 C409 IC401 CXA2559Q R416 1 3 9 4 2 2 9 6 5 1 3...
  • Page 30 KS-FX611 KS-FX611 3 7 6 3 1 5 1 5 0 Printed circuit boards Main board Front board (Forward side) R652 IC652 S619 D602 D601 C653 CP801 IC901 CJ321 R607 C901 S601 R637 R608 C671 R609 R658 S609 R611...
  • Page 31 KS-FX611 3 7 63 1515 0 PARTS LIST [ KS-FX611 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix L 13942296513 U --------------------- Other Areas - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 Cassette mechanism assembly and parts list (Block No.MP)
  • Page 32 KS-FX611 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 33 KS-FX611 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Description Parts number Parts name Q'ty Area --------------- CASSETTE MECHA 1 CDS-801 FSYH4036-050 SHEET FSKL2001-004 MECHA BRACKET 1 LEFT BKT FSKL2002-002 MECHA BRACKET 1 RIGHT BKT...
  • Page 34 KS-FX611 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Description Parts number Parts name Q'ty Area GE30335-002A NAME PLATE GE40103-001A REGULAT.BRACKET GE40107-002A HEAT SINK (2) VMA4652-001SS EARTH PLATE FSKL4018-00B IC BRACKET FSKM3010-011 REAR BRACKET...
  • Page 35 KS-FX611 3 7 63 1515 0 Cassette mechanism assembly and parts list Block No. CDS-801 CFD-409 100 101 102 FG-84M FG-84M SW-902 FG-84M SW-902 CFD-409 CFD-409 CFD-409 SW-522B L 13942296513 FG-84M FG-84M SW-522B FG-84M FG-84M LEN-315Y2 LEN-315Y2 CFD-409 LEN-315Y2...
  • Page 36 KS-FX611 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Description Parts number Parts name Q'ty Area X-0801-1003S MAIN CHASSIS AS X-0801-1002S SLIDE CHASSIS A X-0801-1008S SIDE BKT ASS'Y X-0801-1010S EJECT CAM LIMIT X-0801-1013S CASSETTE HANGER...
  • Page 37 KS-FX611 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Description Parts number Parts name Q'ty Area 1-0801-4008S REEL DRIVER SPG 1-0801-4009S LOAD ARM SPG 1-0801-4011S HOLDER STAB SPG 1-0801-5001S BELT 1-0801-5002S FELT 1 7.5*18.5*1.0...
  • Page 38 KS-FX611 3 7 63 1515 0 Grease point 1/2 SW-902 SW-522B FG-84M CFD-409 LEN-315Y2 FG-84M SW-902 SW-902 SW-902 FG-84M FG-84M SW-902 FG-84M SW-902 FG-84M L 13942296513 FG-84M EP56 u163 http://www.xiaoyu163.com...
  • Page 39 KS-FX611 3 7 63 1515 0 Grease point 2/2 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 40 KS-FX611 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area B 75 RB721Q-T2 S.B.DIODE C 781 QERF1AM-227Z E CAPACITOR 220MF 20% 10V...
  • Page 41 KS-FX611 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area Q 241 KTC3199/GL/-T TRANSISTOR R 351 QRE141J-273Y C RESISTOR 27K 5% 1/4W...
  • Page 42 KS-FX611 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R 909 QRE141J-102Y C RESISTOR 1.0K 5% 1/4W R 976 QRE141J-433Y C RESISTOR 43K 5% 1/4W R 977...
  • Page 43 KS-FX611 3 7 63 1515 0 Electrical parts list (Front board) Block No. 02 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area C 651 NCB31HK-103X C CAPACITOR R 638 NRSA63J-271X MG RESISTOR C 652...
  • Page 44 KS-FX611 3 7 63 1515 0 Electrical parts list (Mecha control board) Block No. 03 Item Parts number Parts name Remarks Area C 401 NDC31HJ-101X C CAPACITOR C 402 NDC31HJ-101X C CAPACITOR C 403 NDC31HJ-101X C CAPACITOR C 404...
  • Page 45 KS-FX611 3 7 63 1515 0 < M E M O > L 13942296513 u163 3-15 http://www.xiaoyu163.com...
  • Page 46 KS-FX611 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1,A2 L 13942296513 A12, A13 KIT : A3~A7 u163 3-16 http://www.xiaoyu163.com...
  • Page 47 KS-FX611 3 7 63 1515 0 Parts list (Packing) Block No. M3MM Item Description Parts number Parts name Q'ty Area GE30407-037A PACKING CASE GE10036-001A EPS CUSHION 2 LEFT/RIGHT SIDE QPC03004315P POLY BAG FSPG4002-001 POLY BAG 1 INST.BOOK QPA00801205 POLY BAG...

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