JVC KS-FX555 Service Manual
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JVC KS-FX555 Service Manual

JVC KS-FX555 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
8
2004
MA104
TE
L 13942296513
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
www
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http://www.xiaoyu163.com
CASSETTE RECEIVER
KS-FX555

TABLE OF CONTENTS

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COPYRIGHT © 2004 Victor Company of Japan, Limited
http://www.xiaoyu163.com
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8
Q Q
3
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1 3
1 5
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9 4
2 8
Area suffix
UN ----------------------------- Asean
0 5
8
2 9
9 4
2 8
m
No.MA104
9 9
9 9
2004/8

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CASSETTE RECEIVER MA104 2004 KS-FX555 Area suffix UN ----------------------------- Asean L 13942296513 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 http://www.xiaoyu163.com 3 7 63 1515 0 SPECIFICATION AUDIO AMPLIFIER SECTION Maximum Power Output Front 45 W per channel Rear 45 W per channel 17 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8% Continuous Power Output (RMS) Front total harmonic distortion.

  • Page 3: Precaution

    http://www.xiaoyu163.com SECTION 1 3 7 63 1515 0 PRECAUTION 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. L 13942296513 u163 (No.MA104)1-3...

  • Page 4: Specific Service Instructions

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. L 13942296513 u163 1-4 (No.MA104) http://www.xiaoyu163.com...

  • Page 5: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 DISASSEMBLY Main body 3.1.1 Removing the front panel assembly (See Fig.1) (1) Press the release button and remove the front panel as- Front panel assembly sembly. Release button Fig.1 3.1.2 Removing the bottom cover (See Fig.2) •...
  • Page 6 http://www.xiaoyu163.com 3.1.4 Removing the heat sink 3 7 63 1515 0 (See Fig.4) • Prior to performing the following procedure, remove the front panel assembly. Heat sink (1) Remove the screw B and two screws C attaching the heat sink on the left side of the body, and remove the heat sink. Fig.4 3.1.5 Removing the rear panel (See Fig.5 )
  • Page 7 http://www.xiaoyu163.com 3.1.8 Removing the mecha board 3 7 63 1515 0 (See Fig.8) • Prior to performing the following procedure, remove the front CN402 panel assembly, bottom cover, front chassis, heat sink, rear panel, main board and cassette mechanism assembly. (1) Disconnect the wire from the connectors CN402 CN403...
  • Page 8 http://www.xiaoyu163.com Cassette mechanism assembly 3 7 63 1515 0 REFERENCE: Prior to performing the 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). Mode gear Fig.1 3.2.1 Removing the cassette guide (See Fig.2)
  • Page 9 http://www.xiaoyu163.com 3.2.3 Removing the cassette hanger assembly / cassette holder 3 7 63 1515 0 (See Fig.4 to 7) (1) Check the mode is set to EJECT. Push down the front part Cassette holder assembly of the cassette holder and move in the direction of the ar- row to release the joint c.
  • Page 10 http://www.xiaoyu163.com 3.2.4 Removing the side bracket assembly 3 7 63 1515 0 Side bracket assembly (See Fig.8 to 10) Joint i (1) Remove the screw A attaching the side bracket assembly. (2) Detach the front side of the side bracket assembly upward and pull out forward to release the joint i and j in the rear.
  • Page 11 http://www.xiaoyu163.com 3.2.5 Removing the pinch arm (F) assembly 3 7 63 1515 0 (See Fig.11 and 12) (1) Remove the polywasher and pull out the pinch arm (F) as- sembly. (2) Remove the compulsion spring. 3.2.6 Removing the pinch arm (R) assembly (See Fig.11 and 12) (1) Remove the polywasher and pull out the pinch arm (R) as- sembly.
  • Page 12 http://www.xiaoyu163.com 3.2.8 Removing the head / tape guide 3 7 63 1515 0 Flywheel assembly (F) Belt (See Fig.16 and 17) REFERENCE: It is not necessary to remove the slide chassis assembly. (1) Remove the band attaching the wire to the head. (2) Remove the two screws B, the head and the head support spring.
  • Page 13 http://www.xiaoyu163.com 3.2.10 Disassembling the flywheel assembly (F) 3 7 63 1515 0 FFC pad (See Fig.19 and 20) (1) Push and turn counterclockwise the spring holder (F) to re- lease the three joints p on the bottom of the flywheel. (2) The spring holder (F), the TU spring and the friction gear play come off.
  • Page 14 http://www.xiaoyu163.com 3.2.13 Removing the gear base arm / gear base link assembly 3 7 63 1515 0 (See Fig.23 to 25) (1) Move the gear base arm in the direction of the arrow. Gear base arm (2) Insert a slotted screwdriver to the gear base spring under Joint t Joints s the gear base arm, and release the gear base arm upward...
  • Page 15 http://www.xiaoyu163.com 3.2.15 Removing the mode gear 3 7 63 1515 0 Mode gear Mode switch actuator (See Fig.26 and 29) (1) Remove the polywasher on the bottom and pull out the mode gear. 3.2.16 Removing the mode switch actuator (See Fig.26, 27 and 29) (1) Pull out the mode switch actuator at the bottom.
  • Page 16 http://www.xiaoyu163.com 3.2.19 Removing the gear base assembly / take up gear / reflector gear 3 7 63 1515 0 (See Fig.30 to 32) (1) Push in the pin d’ of the gear base assembly on the upper Slot e' side of the body and move the reflector gear toward the bottom, then pull out.
  • Page 17 http://www.xiaoyu163.com 3.2.21 Removing the side bracket assembly 3 7 63 1515 0 Side bracket assembly (See Fig.33 to 37) Boss g' (1) Remove the eject cam plate spring. (2) Push the joint f’ through the slot to remove the load rack downward.
  • Page 18 http://www.xiaoyu163.com 3.2.22 Removing the main motor assembly / sub motor assembly 3 7 63 1515 0 (See Fig.38 to 40) (1) Remove the belt at the bottom. Main motor (2) Remove the polywasher and pull out the mode gear. assembly (3) Pull out the reduction gear (B).

  • Page 19: Adjustment

    http://www.xiaoyu163.com SECTION 4 3 7 63 1515 0 ADJUSTMENT Adjustment method Test instruments required for adjustment Standard volume position (1) Digital oscilloscope (100MHz) Balance and Bass, Treble volume, Fader : Center (Indication "0") (2) Frequency counter meter Loudness, Dolby NR, Sound, Cruise : Off (3) Electric voltmeter Volume position is about 2V at speaker output with following (4) Wow &...
  • Page 20 http://www.xiaoyu163.com Information for using a car audio service jig 3 7 63 1515 0 (1) We're advancing efforts to make our extension cords common for all car audio products. Please use this type of extension cord as follows. (2) As a U-shape type top cover is employed, this type of extension cord is needed to check operation of the mechanism assembly after disassembly.
  • Page 21 http://www.xiaoyu163.com Arrangement of adjusting & test points 3 7 63 1515 0 Cassette mechanism (Surface) Motor assembly Tape speed adjust Azimuth screw A (Forward) Playback head Azimuth screw B (Reverse) L 13942296513 Head section view u163 Playback head Azimuth screw B Azimuth screw A (Reverse) (Forward)
  • Page 22 http://www.xiaoyu163.com 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 23: Troubleshooting

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 TROUBLESHOOTING 16 PIN CORD DIAGRAM Black Green OR/WH Violet Blue Gray BL/WH White Yellow Orange WH/BK GN/BK GY/BK VI/BK MEMORY OR/WH BL/WH REMOTE L 13942296513 WH/BK GN/BK VI/BK GY/BK OR/WH WH/BK GY/BK REMOTE Rear Right Remote out...
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA104) Printed in Japan http://www.xiaoyu163.com...
  • Page 25 3 7 63 1515 0 SCHEMATIC DIAGRAMS CASSETTE RECEIVER KS-FX555 CD-ROM No.SML200408 Area suffix UN ----------------------------- Asean L 13942296513 Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5 to 6 u163 No.MA104SCH COPYRIGHT 2004 Victor Company of Japan, Limited.

  • Page 26: Tel 13942296513

    http://www.xiaoyu163.com 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 27: Block Diagram

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Block diagram Main amplifier section Mecha control board MOTOR TAPE IN STAND BY MAIN MODE MOTOR REEL MOTOR TUL, TUR TAPE.L TAPE.R IC161 SUBMO+ IC402 SWITCH SUBMO- E.VOL MOTOR FM/AM TUNER PACK DRIVER MONO SD/ST...

  • Page 28: Standard Schematic Diagrams

    http://www.xiaoyu163.com Standard schematic diagrams 3 7 6 3 1 5 1 5 0 Main amplifier section CJ321 QNN0519-001 QAU0281-001 IC301 LA4743K R353 R354 R343 R344 3.3k 1/50 EVOLCLK 3.3k 1/50 QNB0100-002 EVOLDA 4.7u 0.22/50 R321 C322 R341 C342 0.22/50 R331 C332 0.22/50 R163...

  • Page 29: Q Q

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Mecha control section Q403 2SB1322/RS/-T R401 Q402 UN2211-X CN403 QGF1219F1-10S 0.015 C411 R418 22/16 C409 IC401 CXA2559Q 1 3 9 4 2 2 9 6 5 1 3 R416 1.5M IC402 LB1641 C422...
  • Page 30 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 LCD & Key control section QLD0251-001 To CJ701 (SHEET 1) VMC0335-001 CP701 1 3 9 4 2 2 9 6 5 1 3 R659 2.2k UDZS5.6B-X D651 D655 MA152WK-X R660 2.2k D654 C651...

  • Page 31: U163 Co M

    http://www.xiaoyu163.com Printed circuit boards 3 7 63 1515 0 Main board CP801 IC901 C901 R344 L901 R910 CP981 R901 R343 Q351 C308 C309 Q321 C305 D901 C304 R325 CP701 R355 D903 Q905 R321 C905 IC301 C909 C198 R162 R161 C168 C332 C165 C167...
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 Front board Forward side D601 R612 R601 S621 D606 S601 D616 C653 D619 R603 R652 R611 S620 S604 S603 S608 D605 R602 D617 S618 S602 R605 R604 D604 S605 D620 D618 S619 LCD1 D607 S606 D613 D614...
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 34 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MA104SCH) http://www.xiaoyu163.com...

  • Page 35: Parts List

    3 7 63 1515 0 PARTS LIST [ KS-FX555 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UN ---------------------------Asean 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 36 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 Front board 25 26 LCD1 u163 http://www.xiaoyu163.com...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 Main board L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  GE10043-012A TOP CHASSIS GE40135-001A EARTH PLATE GE30938-003A SIDE PANEL QYSDST2604ZA TAP SCREW M2.6 x 4mm(x4) GE40235-001A SCREW (x2) QYSDST2604ZA TAP SCREW M2.6 x 4mm(x2) QYSDST2606ZA TAP SCREW...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 Cassette mechanism assembly and parts list Block No. CDS-802JE3 L 13942296513 u163 The parts without symbol number are not service. http://www.xiaoyu163.com...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 Cassette mechanism Block No. [M][P][M][M] Symbol No. Part No. Part Name Description Local  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 X-0802-1006S PINCH ARM R ASS X-0802-1007S...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local  2-1031-7030-C2S SCREW (x2) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 42 http://www.xiaoyu163.com 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 43 http://www.xiaoyu163.com 3 7 63 1515 0 Grease point 2/2 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 44: Electrical Parts List

    http://www.xiaoyu163.com 3 7 63 1515 0 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] C162 QERF1HM-105Z E CAPACITOR 1uF 50V M  Symbol No. Part No. Part Name Description Local C163 QERF1HM-105Z E CAPACITOR 1uF 50V M...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local QRE141J-103Y C RESISTOR 10kΩ 1/4W J R804 QRE141J-334Y C RESISTOR 330kΩ 1/4W J QRE141J-152Y C RESISTOR 1.5kΩ...
  • Page 46 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local IC402 LB1641 R601 NRSA63J-681X MG RESISTOR 680Ω 1/16W J R602 NRSA63J-561X MG RESISTOR 560Ω 1/16W J Q402 UN2211-X TRANSISTOR...
  • Page 47 http://www.xiaoyu163.com 3 7 63 1515 0 <MEMO> L 13942296513 u163 3-13 http://www.xiaoyu163.com...
  • Page 48 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A1 A2 L 13942296513 u163 3-14 http://www.xiaoyu163.com...
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  GET0241-001A INST BOOK ENG INA GE40244-001A BLIND PLATE QYSDSP5008ZA SCREW M5 x 8mm(x4) FSJB3001-30E HARD CASE ASSY GE31381-001A CARTON QPC03004315P POLY BAG 30cm x 43cm...

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