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JVC UX-S57 Service Manual
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JVC UX-S57 Service Manual

JVC UX-S57 Service Manual

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See also: Instruction Manual
SERVICE MANUAL
MICRO COMPONENT SYSTEM
5
2004
MB211
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
UX-S57
SP-UXS57

TABLE OF CONTENTS

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
CA-UXS57
Area suffix
A ------------------------ Australia
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
SP-UXS57
No.MB211
2004/5

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Summary of Contents for JVC UX-S57

  • Page 1: Table Of Contents

    SERVICE MANUAL MICRO COMPONENT SYSTEM MB211 2004 UX-S57 Area suffix A ------------------------ Australia B ------------------------------ U.K. E ---------- Continental Europe EN ----------- Northern Europe EV ------------- Eastern Europe SP-UXS57 CA-UXS57 SP-UXS57 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 120 W (60 W + 60 W) at 6 Ω (10% THD) Amplifier Section-CA-UXS57 Output Power (IEC 268-3) Analog input sensitivity/Impedance (at 1 kHz) AUX/DVD:400 mV/48 kΩ 6 Ω - 16 Ω Speakers/Impedance Tuner FM tuning range 87.50 MHz-108.00 MHz AM (MW) tuning range 522 kHz-1 629 kHz CD player...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 4 1.5 Safety Precautions (U.K only) (1) This design of this product contains special hardware and many circuits and components specially for safety purposes. For con- tinued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replace- ment parts must be identical to those used in the original circuits.
  • Page 5 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.6.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.

  • Page 6: Important For Laser Products

    Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam. procedures other than those specified here in may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB211)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the metal cover (See Figs.1 to 3) (1) From the back side of the main body, remove the six screws A attaching the metal cover. (See Fig.1.) Metal cover (2) From the both sides of the main body, remove the two screws B attaching the metal cover.
  • Page 9 3.1.2 Removing the front panel assembly (See Figs.4 to 6) • Remove the metal cover. Front panel assembly (1) From the left side of the main body, disconnect the wire from the connector CN104 on the power supply board. Card wire (See Fig.4.) Micon board Reference:...
  • Page 10 3.1.3 Removing the rear panel (See Fig.7) • Remove the metal cover. Rear panel (1) From the back side of the main body, remove the five screws E attaching the rear panel. (2) Remove the screw F attaching the rear cover. (3) Remove the rear panel from the chassis while extending the sections d of the rear panel in the direction of the arrow.
  • Page 11 3.1.6 Removing the micon board (See Figs.9 and 10) • Remove the metal cover, front panel assembly and rear panel. (1) From the top side of the main body, disconnect the card wire from the connector CN766 on the micon board. (See Fig.9.) Reference: Spacer...
  • Page 12 3.1.8 Removing the heat sink (See Figs.12 and 13) • Remove the metal cover, front panel assembly, rear panel, Power amplifier board power supply board, micon board and power amplifier board. (1) From the reverse side of the power amplifier board, bend the claws i of the heat sink in the direction of the arrow.
  • Page 13 3.1.9 Removing the fan (See Fig.14) • Remove the metal cover, front panel assembly, rear panel, power supply board, micon board and power amplifier board. Wire holder (1) From the back side of the main body, remove the wire hold- er fixing the wire.
  • Page 14 3.1.11 Removing the CD changer mechanism assembly (See Figs.16 to 19.) • Remove the metal cover and front panel assembly. CD bracket (F) (1) From the right side of the main body, disconnect the card wire from the connector CN651 on the CD servo board.
  • Page 15 Front panel assembly section • Remove the metal cover and front panel assembly. 3.2.1 Removing the front assembly section (See Fig.20) (1) From the inside of the front panel assembly, remove the Front assembly section screw U attaching the earth wire. Reference: When attaching the screw U, attach the earth wire with it.
  • Page 16 3.2.2 Removing the switch board (See Figs.21 and 22) • Remove the front assembly section. Front assembly section (1) From the front side the front assembly section, pull out the volume knob in the direction of the arrow. (See Fig.21.) (2) From the inside of the front assembly section, remove the five screws W and screw W’...
  • Page 17 3.2.3 Removing the back light board (See Figs.23) • Remove the front assembly section. (1) From the inside of the front assembly section, remove the Back light board six screws X attaching the back light board. (2) Take out the back light board from the front assembly sec- tion and disconnect the card wires from the connectors (CN551, CN552) on the back light board.
  • Page 18 3.2.4 Removing the FL board (See Figs.24 and 25) • Remove the front assembly section and back light board. LED lens Front assembly section (1) From the inside of the front assembly section, remove the four screws Y attaching the lens holder. (See Fig.24.) (2) Take out the lens holder with the LED lens and cover sheet.
  • Page 19 3.2.5 Removing the headphone jack board (See Fig.26) (1) From the inside of the front panel assembly, remove the Front panel assembly screw Z attaching the headphone jack board. Wire (2) Take out the headphone jack board from the front panel as- sembly.
  • Page 20 CD changer mechanism 3.3.1 Removing the tray assembly (See Fig.1 ~ 5) Open det lever (1) Remove the two screws A from the top cover and release the two joints a on both sides of the body. (2) Remove the top cover with the two rods attached to the top cover and lifter assembly respectively.
  • Page 21 3.3.2 Removing the servo control board Card wire (See Fig.6 ~ 9) Caution: Short round Solder the short-circuit point on the pickup before disconnect- ing the card wire extending from the pickup. If you do not follow this instruction, the pickup may be damaged. and each (1) Disconnect the card wire from connector CN251...
  • Page 22 3.3.4 Removing the motor board (See Fig.10 , 11) • Prior to performing the following procedure, remove the servo control board. (1) Turn over the body and remove the two screws D. Move the CD module bkt. in the direction of the arrow to release two joints f.
  • Page 23 3.3.5 Removing the CD tramecha assembly (See Fig.12) • Prior to performing the following procedure, remove the servo control board. (1) Turn over the body and remove the three screws F attach- ing the tramecha. CD Tramecha assembly Fig.12 (No.MB211)1-23...
  • Page 24 3.3.6 Removing the pickup (See Fig.13 , 14) Mecha base • Prior to performing the following procedure, remove the servo Pickup assembly control board and CD tramecha assembly. (1) From top of the CD tramecha assembly, turn the cam gear in the direction of the arrow to move the pickup assembly outward.
  • Page 25 3.3.7 Removing the side (L)/ tray switch board (See Fig.15 ~ 17) • Prior to performing the following procedure, remove the tray assembly. (1) Remove the two screws H attaching the side (L) on top of the body. (2) From the side of the body, remove the spacer fixing the tray switch board and motor board.
  • Page 26 3.3.8 Removing the side (R) assembly Side (R) assembly (See Fig.18 ~ 22) • Prior to performing the following procedure, remove the tray assembly. (1) Push and release the two tabs m of the gear cover through the two notches inside the side (R) assembly. Remove the gear cover outward.
  • Page 27 3.3.9 Removing the lifter assembly Hook (See Fig.23 ~ 27) • Prior to performing the following procedure, remove the tray assembly and side (L)/ side (R) assembly. (1) From top of the body, turn the 1 gear clockwise to move the lifter assembly upward as shown in Fig.24.
  • Page 28 3.3.10 Removing the rack holder assembly/ sensor assembly (See Fig.28 ~ 33) • Prior to performing the following procedure, remove the tray 1 gear assembly, side (L)/ side (R) assembly, lifter assembly. Attention: If the slide gear of the body places at joint w of the rack holder assembly, turn the 1 gear counterclockwise to move the slide gear toward the front.
  • Page 29 Sensor board Soldering point SV resister Sensor assembly Sensor braket Sensor slider Fig.32 Spring Sensor assembly Fig.30 Sensor slider Spring Slide gear Fig.31 Slide lever Spring Fig.33 (No.MB211)1-29...
  • Page 30 3.3.11 Removing the motor (See Fig.34 ,35) • Prior to performing the following procedure, remove the servo control board and top cover. Attention: You need not to remove the tray assembly, and in such case, move it. (1) Remove the two belts on top of the body. Motor (2) Remove the four screws N attaching the motor.
  • Page 31 3.3.12 Taking out the CD in play mode Tray assembly (See Fig.36 ~ 39) Attention: Refer to “Removing the tray assembly”. (1) Remove the top cover upward. (2) Unlock the tray assembly and draw out the tray assembly toward the front. (3) From top of the body, turn the 1 gear clockwise to move the lifter assembly upward.

  • Page 32: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. 1-32 (No.MB211)

  • Page 33: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB211)1-33...
  • Page 34 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB211) Printed in Japan...