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JVC HX-D7 Service Manual

Compact component system
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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
8
2005
MB455
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
HX-D7
SP-HXD7

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
CA-HXD7
SP-HXD7
Area suffix
UJ ---------------------- U.S.Military
No.MB455
2005/8

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Summary of Contents for JVC HX-D7

  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB455 2005 HX-D7 Area suffix UJ ---------------------- U.S.Military SP-HXD7 CA-HXD7 SP-HXD7 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 CA-HXD7 135 W per channel, min. RMS, driven into 6 Ω at 63 Hz with no more than Amplifier section Output Power SUBWOOFER 10% total harmonic distortion. (IEC268-3) 60 W per channel, min. RMS, driven into 4 Ω at 1 kHz with no more than MAIN SPEAKER 10% 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 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.MB455)

  • Page 5: 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 five screws A attaching the metal cover. (See Fig.1.) Metal cover (2) From the both sides of the main body, remove the four screws A attaching the metal cover.
  • Page 6 3.1.2 Removing the tuner (See Figs.4 and 5) • Remove the metal cover. (1) From the left side of the main body, disconnect the card Tuner wire from the connector on the tuner. (See Fig.4.) Connector (2) From the back side of the main body, remove the two screws B attaching the tuner to the rear panel.
  • Page 7 3.1.3 Removing the fan motor (See Figs.6 and 7) • Remove the metal cover. (1) From the top side of the main body, disconnect the wire FAN101 from the connector FAN101 on the amplifier board. (See Fig.6.) (2) From the back side of the main body, remove the two screws C attaching the fan motor to the rear panel.
  • Page 8 3.1.4 Removing the rear panel (See Fig.8) • Remove the metal cover. (1) From the back side of the main body, remove the fifteen Rear panel screws D and screw E attaching the rear panel. (2) Remove the sections a toward this side and remove the rear panel from the sections b.

  • Page 9: No.mb455)1

    3.1.6 Removing the fuse board and voltage selector board (See Fig.10) • Remove the metal cover and rear panel. From the back side of the main body, disconnect the wires from Fuse board the connectors (DCW06, DCW07) on the fuse board and remove DCW06 the fuse board with the voltage selector board.
  • Page 10 3.1.8 Removing the power amplifier ICs (See Figs.12 to 14) • Remove the metal cover, rear panel and amplifier board. (1) From the forward side of the amplifier board, remove the Power amplifier IC (AIC01) four screws G and screw H attaching the power amplifier Heat sink ICs to the heat sink.
  • Page 11 3.1.9 Removing the 5DVD changer mechanism assembly (See Figs.15 to 19) • Remove the metal cover, rear panel, video board and amplifier board. (1) From the right side of the main body, remove the card wire from the sections g of the shield. (See Fig.15.) Shield (2) From the left side of the main body, remove the wire from the sections h of the shield.
  • Page 12 5DVD changer mechanism assembly CW104 Main board Fig.18 5DVD changer mechanism assembly Tray panels Base 1 Base 2 CN701 DVD servo control board Fig.19 1-12 (No.MB455)
  • Page 13 3.1.10 Removing the DVD power board (See Fig.20) • Remove the metal cover, rear panel, video board, amplifier board and 5DVD changer mechanism assembly. AW106 AW103 AW104 (1) From the back side of the base 2, disconnect the card wires from the connectors (AW103, AW106) on the DVD power board.
  • Page 14 3.1.13 Removing the front panel assembly (See Figs.21, 23 to 25) • Remove the metal cover, rear panel, video board, amplifier board and 5DVD changer mechanism assembly. Front panel assembly (1) From the top side of the main body, remove the screw R at- taching the earth wires on the bottom chassis.
  • Page 15 3.1.14 Removing the FL board (See Fig.26) • Remove the metal cover, rear panel, video board, amplifier board, 5DVD changer mechanism assembly and front panel Front panel assembly assembly. (1) From the inside of the front panel assembly, remove the four screws U attaching the FL board.
  • Page 16 3.1.15 Removing the switch board (See Figs.27 and 28) • Remove the metal cover, rear panel, video board, amplifier board, 5DVD changer mechanism assembly, front panel as- FW201 sembly and FL board. (1) From the inside of the front panel assembly, remove the spacer on the switch board.

  • Page 17: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB455)1-17...
  • Page 18 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB455) Printed in Japan...
  • Page 19 SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM HX-D7 CD-ROM No.SML200508 Area suffix UJ ---------------------- U.S.Military SP-HXD7 CA-HXD7 SP-HXD7 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram Standard schematic diagrams 2-7 to 11 Printed circuit boards No.MB455SCH...
  • Page 20 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
  • Page 21 Block diagram RHYTHM AX JCV8011 TUNER L.P.F AMP IC MAIN FUNCTION INPUT1 H.P.F STK428-610 4558 CD/MP3 BUFFER FRONT CH L.P.F 4558 INPUT2 TDA7442D INPUT3 INPUT4 VIDEO DRIVER MM1623XFBE VIDEO L.P.F AMP IC SUB WOOFER L.P.F STK428-640 HEADPHONE SUB-WOOFER CH L.P.F USB AUDIO IC DIGITAL SIG.
  • Page 22 Standard schematic diagrams Main section...
  • Page 23 Amp section Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 24 FL & Key control section...
  • Page 25 DVD primary section Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 26 Vide section...
  • Page 27 Printed circut boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Forward sde)
  • Page 28 Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Reverse sde)
  • Page 29 Amp board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Forward side) (Reverse side)
  • Page 30 Front board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Forward side) (Reverse side) 2-10...
  • Page 31 Power board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) 2-11...
  • Page 32 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB455SCH)

  • Page 33: Parts List

    PARTS LIST [ HX-D7 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UJ --------------------- U.S.Military - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 Electrical parts list (Block No.01~06)

  • Page 34: Exploded View Of General Assembly And Parts List

    Exploded view of general assembly and parts list Block No. Front board Front board VFD board USB board Main board Main board...
  • Page 35 Amp board Video jack board USB board Power board BKT. board DF102 Voltage RFS9 RFS7 board RFS3 RFS4 RFS6 RFS8 DF103 RFS5 RFS1 ain board ain board The parts without symbol number are not service.
  • Page 36 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  AH64-03278D FRONT CABINET MIPS AH64-03279C VFD WINDOW PMMA VIS GS-15C AH64-03280B USB WINDOW PMMA VIS GS-15C AH64-03283B DVD DOOR ABS L/GRAY AH64-03284B SOUND MODE KNOB ABS 94HB AH64-03285B SUBWOOFER KNOB ABS 94HB...

  • Page 37: Electrical Parts List

    Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] EC08L 2301-000216 M CAPACITOR 220nF 50V  Symbol No. Part No. Part Name Description Local EC08R 2301-000216 M CAPACITOR 220nF 50V EC09L 2301-000216 M CAPACITOR 220nF 50V EC09R...
  • Page 38  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local SE03R 2401-000480 E CAPACITOR 10uF 50V ER105 2001-000591 C RESISTOR 3.3KΩ 1/8W SE06L 2401-001938 E CAPACITOR 22uF 25V ER109 2001-000290 C RESISTOR 10KΩ...

  • Page 39: Front Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local SR16R 2001-000802 C RESISTOR 5.6KΩ 1/8W FC204 2201-000565 C CAPACITOR 47nF 50V SR17L 2001-000734 C RESISTOR 4.7KΩ 1/8W FC301 2202-000121 C CAPACITOR 0.1nF 50V SR17R 2001-000734...
  • Page 40  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local FR325 2001-000034 C RESISTOR 220Ω 1/4W UR183 2001-000793 C RESISTOR 47Ω 1/8W FR326 2001-000034 C RESISTOR 220Ω 1/4W UR184 2001-000734 C RESISTOR 4.7KΩ...

  • Page 41: Amp Board

    Amp board  Symbol No. Part No. Part Name Description Local Block No. [0][3] AC321 2301-000302 M CAPACITOR 680nF 100V  Symbol No. Part No. Part Name Description Local AC322 2301-000302 M CAPACITOR 680nF 100V AC323 2301-000302 M CAPACITOR 680nF 100V AC324 2301-000302 M CAPACITOR...

  • Page 42: Power Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local AR305 2001-000273 C RESISTOR 100KΩ 1/8W VC105 2203-000595 CHIP CAPACITOR 0.22nF 50V AR306 2001-000273 C RESISTOR 100KΩ 1/8W VC106 2203-000595 CHIP CAPACITOR 0.22nF 50V AR307 2001-000290...
  • Page 43  Symbol No. Part No. Part Name Description Local DC108 2201-000565 C CAPACITOR 47nF 50V DE102 2401-003116 E CAPACITOR 4700uF 35V DE103 2401-001883 E CAPACITOR 1000uF 25V DE105 2401-000303 E CAPACITOR 100uF 25V DE106 2401-001364 E CAPACITOR 470uF 16V DE107 2401-000303 E CAPACITOR 100uF 25V...

  • Page 44: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list Block No. A4 A5 A6 3-12...
  • Page 45 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  AH68-01704C INST BOOK ENG LVT1351-003B AH59-01539A REMOTE CONTROL AH39-00320C FM WIRE AH42-00019A ANT LOOP ------------ BATTERY (x2) AH39-40001V RCA CABLE 3721-000117 CONVERSION PLUG  AH81-01691A SPEAKER BOX L AH81-01691B SPEAKER BOX R...

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