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JVC RX-6042S Service Manual

Audio/video control receiver
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See also: Service Manual , Instruction Manual
SERVICE MANUAL
AUDIO/VIDEO CONTROL RECEIVER
3
2004
MB167
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
RX-6042S

TABLE OF CONTENTS

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
Area suffix
E ----------- Continental Europe
EN ------------ Northern Europe
EV -------------- Eastern Europe
TA/NEWS/INFO
DISPLAY MODE
No.MB167
2004/3

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Summary of Contents for JVC RX-6042S

  • Page 1: Table Of Contents

    SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER MB167 2004 RX-6042S Area suffix E ----------- Continental Europe EN ------------ Northern Europe EV -------------- Eastern Europe TA/NEWS/INFO DISPLAY MODE TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Amplifier Output Power 100 W per channel, min. RMS, driven into 8 Ω, 40 Hz to 20 kHz with At Stereo operation Front channels no more than 0.8% total harmonic distortion. 100 W per channel, min. RMS, driven into 8 Ω, at 1 kHz with no more At Surround operation Front channels than 0.8% total harmonic distortion.

  • 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 Move the resistor connection to each exposed metal purposes. For continued protection, no changes should be part, particularly any exposed metal part having a return made to the original design unless authorized in writing by path to the chassis, and measure the AC voltage across the manufacturer.

  • Page 4: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-4 (No.MB167)

  • Page 5: Disassembly

    SECTION 3 DISASSEMBLY Removing the top cover (See Fig.1) (1) From the right and left sides of the main body, remove the four screws A attaching the top cover. (2) From the back side of the main body, remove the three Top cover screws B attaching the top cover.
  • Page 6 Removing the rear panel (See Fig.4) • Prior to performing the following procedure, remove the top cover. Strain relief (1) From the back side of the main body, remove the strain relief from the rear panel in the direction of the arrow. (2) Remove the twenty-six screws E and four screws F attaching the rear panel.
  • Page 7 Removing the DSP board, audio input board, DVD board and video board (See Fig.7) • Prior to performing the following procedure, remove the top DVD board Audio board cover and rear panel. Video board (1) From the top side of the main body, Remove the tie band. (2) Disconnect the DSP board from the connector CN481 the audio board.
  • Page 8 Removing the audio board (See Fig.9) • Prior to performing the following procedure, remove the top Relay board cover, rear panel, component video board, DSP board, audio Audio board Power supply board input board, DVD board, video board, S-Video board and tuner unit.
  • Page 9 Removing the main board (See Fig.11) • Prior to performing the following procedure, remove the top Wire Relay Power cover. Power protection board transformer (1) From the top side of the main body, remove the tie bands supply board board 1 Main board fixing the wires.
  • Page 10 3.11 Removing the center amp. board, front amp. boards (L/R) and rear amp. boards (L/R) (See Figs.12 and 14) • Prior to performing the following procedure, remove the top Front amp. cover and main board. board (L) (1) Remove the ten screws P attaching the heat sink. (See Rear amp.
  • Page 11 3.14 Removing the power supply board (See Fig.16) • Prior to performing the following procedure, remove the top Power supply board Card wire cover. (1) From the top side of the main body, disconnect the parallel Headphone jack CN201 CN241 wires from the connectors CN203 CN241...
  • Page 12 3.16 Removing the system control board and power switch board (See Figs.18 and 19) • Prior to performing the following procedure, remove the top Front panel assembly cover and front panel assembly. (1) Pull out the volume and jog knobs from the front side of the front panel assembly, remove the nut attaching the system control board.

  • Page 13: Adjustment

    SECTION 4 ADJUSTMENT Tuner section 4.1.1 Tuner range FM : 87.5 MHz to 108.0 MHz AM : 522 kHz to 1629 kHz Power amplifier section 4.2.1 Adjustment of idling current Measurement location : TP301 (Lch) , TP302 (Rch) Adjustment part : VR301 (Lch) , VR302...

  • Page 14: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. 1-14 (No.MB167)
  • Page 15 (No.MB167)1-15...
  • Page 16 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB167) Printed in Japan...