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JVC MX-KC2 Service Manual
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JVC MX-KC2 Service Manual

JVC MX-KC2 Service Manual

Compact component system
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Download this manual See also: Service Manual, Instruction Manual
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
7
2005
MB394
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
MX-KC2
SP-MXKC2
CA-MXKC2

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
Area suffix
C ------------------------- Canada
SP-MXKC2
No.MB394
2005/7

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Summary of Contents for JVC MX-KC2

  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB394 2005 MX-KC2 Area suffix C ------------------------- Canada SP-MXKC2 CA-MXKC2 SP-MXKC2 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 60 W per channel, min. RMS, driven into 6 Ω at 1kHz, with Amplifier Output Power no more than 10% total harmonic distortion Input Sensitivity/Impedance AUX IN 400 mV/50 kΩ (1 kHz) Speaker terminals 6 - 16 Ω 32 Ω - 1 kΩ Phones 15 mW/ch output into 32 Ω...

  • 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: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-4 (No.MB394)

  • Page 5: Disassembly

    SECTION 3 DISASSEMBLY Disassembly of the main blocks of the set Replacement of the fuses and the power IC. 3.1.1 Replacing the fuses (See Fig.1) • Prior to performing the following procedure, remove the left side board. Fuse (F901) (1) Replace the fuses inside. 1.6AL 250V Caution: Be sure to use fuses with the specified ratings.
  • Page 6 3.1.4 Removing the top cover right cabinet and left cabinet (See Fig.4 and 5) (1) Remove three screws C that retain the top cover from the panel rear of the body. right cabinet left cabinet (2) Remove six screws D that retain the left can/net from the top cover body.
  • Page 7 3.1.5 Removing the CD changer unit (See Fig.6 to 8) • Prior to performing the following procedures, remove the top cover. Caution: Although the CD mechanism unit can be removed without re- moving the CD tray panel, it is still recommended to remove it in order to prevent damage.
  • Page 8 3.1.6 Removing the front panel assembly (See Fig.9 to 10) • Prior to performing the following procedures, remove the top cover. Also remove the CD changer unit. (1) Disconnect the parallel wire and the cord wire from the con- nectors CN701, CN101 on the power amp.
  • Page 9 Disassembly of units and assembly inside this set 3.2.1 Removing the MAIN board (See Fig.11 to 12) • Prior to performing the following procedures, remove the top cover. P AIN PCB Also remove the CD changer unit. CN603B CN604 (1) Disconnect the wires from CN603A, on the MAIN board, which is located on the back side of the CD changer unit.
  • Page 10 3.2.2 Removing the CD changer mechanism assembly (See Fig.13 to 14) • Prior to performing the following procedures, remove the top cover. CD changer unit Also remove the CD changer unit. (1) Turn the CD changer mechanism cover base and remove the screws d connecting the unit to the CD changer mech- anism assembly.
  • Page 11 3.2.3 Removing the CD pickup (See Fig.15) • Prior to performing the following procedures, remove the top cover. CD pickup Also remove the CD changer unit. Also remove the CD changer mechanism. (1) Widen the section f. (2) While keeping the section f wide open, push the section g in the direction of the arrow to remove the shaft, and then remove the CD pickup.
  • Page 12 3.2.6 Removing the cassette deck mechanism (See Fig.18) • Prior to performing the following procedures, remove the top cover. Front panel assembly Also remove the CD changer unit. Also remove the front panel assembly. (1) Remove six screws Z retaining the cassette deck mecha- nism.
  • Page 13 3.2.7 Removing the key open board & the key REC board (See Fig.19) • Prior to performing the following procedures, remove the top cover. Front panel assembly Also remove the CD changer unit. Also remove the front panel assembly. (1) Remove 25 screws P that retains the key open board. 3.2.8 Removing the display board (See Fig.20) •...
  • Page 14 3.2.10 Removing the cassette deck main motor, and replacing the main belts (See Fig.18, 23 and 24) • Prior to performing the following procedures, remove the top cover and both sides board. Cassette deck mechanism (Front side) Also remove the CD changer unit. Also remove the front panel assembly.
  • Page 15 3.2.11 Removing the leaf switches of the cassette deck mechanism (See Fig. 18 and 25) • Prior to performing the following procedures, remove the top cover and both sides board. Solder side of leaf switch Also remove the CD changer unit. Also remove the front panel assembly.
  • Page 16 3.2.13 Removing the 3-pin regulator and bridge diode (See Q604, Q608, D614, D615 and Fig.27) • Prior to performing the following procedures, remove the top cover and both sides board. (1) Remove two screws A that connect the heat sink. (2) Remove two screws W that connect the heat sink.
  • Page 17 3.2.14 Removing the power amp and supply board and the power trans board (See Fig. 3, 28 to 28) • Prior to performing the following procedures, remove the top cover and CD changer unit. Fuse (F901) (1) Remove four screws B from the rear panel. (Fig.3) 1.6AL 250V (2) Pull the heat sink cover outward.

  • Page 18: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. 1-18 (No.MB394)

  • Page 19: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB394)1-19...
  • Page 20 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB394) Printed in Japan...