JVC KS-FX288 Service Manual
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JVC KS-FX288 Service Manual

JVC KS-FX288 Service Manual

Cassette receiver
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3 7 63 1515 0
SERVICE MANUAL
Contents
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http://www.xiaoyu163.com
CASSETTE RECEIVER
KS-FX288
x
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
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8
Q Q
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6 7
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1 5
co
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KS-FX288
9 4
2 8
0 5
8
2 9
9 4
2 8
Area Suffix
UF
China
1- 2
1- 3
1- 12
1- 16
m
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9 9
No.49662
Dec. 2001

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Summary of Contents for JVC KS-FX288

  • Page 1: Table Of Contents

    KS-FX288 3 7 63 1515 0 SERVICE MANUAL CASSETTE RECEIVER KS-FX288 L 13942296513 Area Suffix China Contents Safety precaution 1- 2 Disassembly method 1- 3 Adjustment method 1- 12 Description of major ICs 1- 16 u163 No.49662 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.

  • Page 2: Tel 13942296513

    KS-FX288 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-FX288 3 7 63 1515 0 Disassembly method Front panel unit Detaching the front panel unit ( See Fig.1 ) Push the Release button in the direction of arrow to detach the front panel unit. Push the release button Fig.
  • Page 4 KS-FX288 3 7 63 1515 0 Removing the heat sink (See Fig.5) 1. Removing the front chassis. 2. Removing the bottom cover 3. Remove the three screws ( 1 and 1' ) retaining the heat sink. Fig. 5 Removing the main board assembly ( See Fig.
  • Page 5 KS-FX288 3 7 63 1515 0 Cassette mechanism Removing the cassette mechanism assembly ( See Fig. 8 ) 1. Removing the front chassis. 2. Removing the bottom cover. 3. Removing the heat sink. 4. Removing the main board assembly.
  • Page 6 KS-FX288 3 7 63 1515 0 Head amplifier board Removing the head amplifier board ( See Fig. 12 ) 1. Removing the front chassis. CJ901 2. Removing the bottom cover. 3. Removing the heat sink. 4. Removing the main board assembly.
  • Page 7 KS-FX288 3 7 63 1515 0 <Cassette mechanism assembly> Prior to performing the following procedures, remove the head amplifier board, the relay board and the FF / REW lever assembly mechanism bracket. Joint c Removing the direction switch board Joint e (See Fig.1)
  • Page 8 KS-FX288 3 7 63 1515 0 Pinch-roller (F) assembly Pinch-roller (R) assembly S support plate C washer A arm spring (b) A arm spring (a) Shaft Shaft Playback head FF roller Remove the P arm spring (f) Remove the P arm spring (r) from the chassis.
  • Page 9 KS-FX288 3 7 63 1515 0 Removing the cassette hanger / cassette Cassette holder holder (See Fig.3) Return link Joint i Prior to performing the following procedure, remove Cassette hanger the FF / REW lever assembly. Eject lever From the rear of the unit, bend the two tabs f outwards and disengage the two joints g in the direction of the arrow.
  • Page 10 KS-FX288 3 7 63 1515 0 Removing the Flywheel (BF) and (BR) assembly (See Fig.4 and 5) C washer Prior to performing the following procedure, remove the cassette hanger / cassette holder. From the upper side of the cassette mechanism assembly, remove the C washer from each shaft of the flywheel (BF) and (BR).
  • Page 11 KS-FX288 3 7 63 1515 0 Removing the mute switch board (See Fig.8) Unsolder the two wires l on the mute switch board on Cassette mechanism assembly Rower switch the back of the cassette mechanism assembly. Soldering l Motor assembly...

  • Page 12: Adjustment Method

    KS-FX288 3 7 63 1515 0 Adjustment method Test Instruments reqired for adjustment Standard volume position 1. Digital osclloscope(100MHz) Balance and Bass,Treble volume .Fader 2. Frequency Counter meter :Center(Indication"0") 3. Electric voltmeter Loudness,Dolby NR,Sound,Cruise:Off 4. Wow & flutter meter Volume position is about 2V at speaker output with 5.
  • Page 13 KS-FX288 3 7 63 1515 0 Arrangement of adjusting & test points Cassette mechanism (Surface) Motor assembly Tape speed adjust Playback head Azimuth screw Head section view L 13942296513 Head azimuth screw Fixed screw Playback head Height adjusting screw a...
  • Page 14 KS-FX288 3 7 63 1515 0 Information for using a car audio service jig 1. For 1995 and 1996 , we're advancing efforts to make our extension cords common for all car audio products. Please use this type of extension cord as follows.
  • Page 15 KS-FX288 3 7 63 1515 0 Mechanism adjustment section Item Adjusting & Confirmation Methods Adjust Std. value 1.Head azimuth "Head Height Adjustment" Note Adjust the azimuth directly.When you adjust the height us- A Line ing a mirror tape, remove the cassette housing from the mechanism chassis.

  • Page 16: Description Of Major Ics

    KS-FX288 3 7 63 1515 0 Description of major ICs AN80T05LF (IC781) : 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 17 KS-FX288 3 7 63 1515 0 HA13158A (IC981) : Power amp 1. Pin layout 2. Block diagram PVCC2 PVCC1 INVCC STBY INPUTBUFFER1 AMP1 L 13942296513 INPUTBUFFER2 AMP2 INPUTBUFFER3 AMP3 INPUTBUFFER4 AMP4 MUTE PROTECTOR (ASO SURGE, TSD) u163 1-17 http://www.xiaoyu163.com...
  • Page 18 KS-FX288 3 7 63 1515 0 LC72362N-9920 (IC701):System controller 1.Terminal Layout 24 - 1 41 - 64 2.Description Symbol Function Function Symbol Crystal oscillator Non connect To GND Non connect J BUS SI Bus serial data input from CP751...
  • Page 19 KS-FX288 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 20 KS-FX288 3 7 63 1515 0 TEA6320T-X (IC931) : 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 21 KS-FX288 3 7 63 1515 0 HD74HC126P (IC751) : Changer control 1.Pin arrangement 2. Pin function Input Output ( TOP VIEW ) 3. Block diagram L 13942296513 UPC1228HA(IC901):Head amp ANP1 NFB1 OUT1 u163 OUT2 NFB2 ANP2 UPC1228HA 1-21 http://www.xiaoyu163.com...
  • Page 22 KS-FX288 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 200112 (No.49662) http://www.xiaoyu163.com...
  • Page 23 KS-FX288 3 7 6 3 1 5 1 5 0 DIRECTION BOARD CP722 RELAY HEAD BOARD PROG-SW CP721 CJ901 TO SPEAKER TO LINE REAR OUT TO CD CHANGER CONNECTOR CP751 CN721 CP981 CJ921 IC901 HEAD AMPLIFIER Lch Rear SI/SO...
  • Page 24 KS-FX288 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 25 KS-FX288 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Receiver & system control circuit section *TU1 KRA102M-T Q989 QNZ0009-001 ACC.MUTE Q972 1SS119-041 MUTE KRA102M-T D973 CJ921 R163 R164 4.7uH Q161 1SS119-041 R165 2.2K 2SD2144S/VW/-T 2SD2144S/VW/-T...
  • Page 26 KS-FX288 KS-FX288 3 7 6 3 1 5 1 5 0 Head amplifier circuit section CJ901 QGA2002C1-05 IC901 UPC1228HA C203 C103 R204 R104 330k 330k 1 3 9 4 2 2 9 6 5 1 3 100p 100p CP722...
  • Page 27 KS-FX288 3 7 6 3 1 5 1 5 0 LCD driver & Operation swith circuit section LCD1 VMC0335-001 QLD0145-001 CP701 R633 D623 R631 1 3 9 4 2 2 9 6 5 1 3 R634 R661 1.5k D603...
  • Page 28 KS-FX288 KS-FX288 3 7 6 3 1 5 1 5 0 Printed circuit boards Main board FSMW1067C C105 Front board(Forward side) C101 CP722 C104 C102 CP721 D623 S601 C203 R901 D653 R204 R201 R601 R644 R648 D655 R640 R645...

  • Page 29: Parts List

    KS-FX288 3 7 63 1515 0 PARTS LIST [ KS-FX288 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UF ------------------------China L 13942296513 - 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 30: Tel 13942296513

    KS-FX288 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 31 KS-FX288 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area FSJC1053-003 FRONT PANEL ZCKSFX12J-FB FRONT CHASSIS FSJC1055-001 FRONT CHASSIS FSJC4003-027 CASSETTE LID VKW4947-002 DOOR SPRING MINI SCREW QYSPSPT2625Z...
  • Page 32 KS-FX288 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area QYSDST2606Z SCREW 1 REAR BKT+ANT JACK FSYH4076-001 LIGHTING SHEET QNZ0439-001 RUBBER CONNE FSJK3034-001 LCD LENS FSYH3022-002 LCD CASE...

  • Page 33: Cassette Mechanism Assembly And Parts List (Block No.mp)

    KS-FX288 3 7 63 1515 0 Cassette mechanism assembly and parts list Block No. CDS-363SJ1 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 34 KS-FX288 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Parts number Parts name Q'ty Description Area X-0363-1001S MAIN CHASSIS ASSY X-0363-1002S HEAD PLATE ASSY X-0363-1004S FR CONV ARM (A) X-0363-6001S REEL BASE ASSY X-0363-6007S...
  • Page 35 X-0363-7006S MOTOR ASSY 1-0363-7001S MUTE SW 1-0363-7002S SLIDE SW 1-0363-7008S SLIDE SW PWB L 13942296513 1-0036-7016S HEAD 1-0363-7005S POWER SW 6P WIRE ASY(JVC) 1-0036-7089S 1-0036-7088S 5P WIRE ASY(JVC) 2-1816-0032-E8S MYLAR WASHER(S) 2-1812-0030-D2S POLY WASHER(S) 1-0036-5024S PSW(REEL) 2-1712-0050-16S E RING 2-1712-5060-16S...
  • Page 36 KS-FX288 3 7 63 1515 0 Grease point 1/2 Grease FL-942 SW-902 SW-522B FG-84M Reverse side L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 37 KS-FX288 3 7 63 1515 0 Grease point 2/2 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 38: Http://Www.xiaoyu163.Com

    KS-FX288 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area BM 1 QUY150-050Y BUS WIRE C 901 QEKJ1AM-107Z E CAPACITOR 100MF 20% 10V...

  • Page 39: Ks-Fx288

    KS-FX288 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area L 782 QQL231K-470Y INDUCTOR R 264 QRE141J-101Y C RESISTOR 100 5% 1/4W...
  • Page 40 KS-FX288 3 7 63 1515 0 Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 651 NCB21EK-104X C CAPACITOR S 602 NSW0066-001X TACT SWITCH C 652...
  • Page 41 KS-FX288 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1,A2 KIT: L 13942296513 A3 ~ A7 Parts list (Packing) Block No. M3MM Item Description Parts number Parts name Q'ty Area --------------- POLY BAG...

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