JVC HX-D7 Service Manual Download | Manualshive

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1-4 (No.MB455)

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.

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Summary of Contents for HX-D7

Page 1: ...ENT SYSTEM MB455 2005 8 HX D7 Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 5 4 ADJUSTMENT 1 17 5 TROUBLESHOOTING 1 17 CA HXD7 SP HXD7 SP HXD7 Area suffix UJ U S Military ...

Page 2: ... tuning range 531 kHz 1 710 kHz at 9 kHz interval 530 kHz 1 710 kHz at 10 kHz interval Disc player section Playable disc DVD Video DVD Audio CD VCD SVCD CD R CD RW recorded in Audio CD Video CD Super Video CD MP3 JPEG format DVD R DVD RW recorded in video format Dynamic range 90 dB Horizontal resolution 500 lines Wow and flutter Immeasurable General Power requirement AC 110 V AC 127 V AC 220 V AC ...

Page 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Page 4: ...1 4 No MB455 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 5: ...rews A attaching the metal cover See Fig 1 2 From the both sides of the main body remove the four screws A attaching the metal cover See Figs 2 and 3 3 Remove the metal cover from the main body while lifting the rear section of the metal cover in the direction of the ar row See Figs 2 and 3 Fig 1 Fig 2 Fig 3 Metal cover A A A A A Metal cover A A Metal cover A A ...

Page 6: ...al cover 1 From the left side of the main body disconnect the card wire from the connector on the tuner See Fig 4 2 From the back side of the main body remove the two screws B attaching the tuner to the rear panel See Fig 5 Fig 4 Fig 5 Tuner Connector Rear panel B Tuner ...

Page 7: ...ain body disconnect the wire 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 See Fig 7 3 Take out the fan motor from the main body Fig 6 Fig 7 Amplifier board FAN101 Fan motor Fan motor C Rear panel ...

Page 8: ... attaching the rear panel 2 Remove the sections a toward this side and remove the rear panel from the sections b Fig 8 3 1 5 Removing the video board See Fig 9 Remove the metal cover and rear panel From the back side of the main body disconnect the card wire from the connector CN101 on the video board Fig 9 Rear panel D D D a a b b D E CN101 Video board ...

Page 9: ...the connector FAN102 on the amplifier board and remove the wire from the slot c 3 Disconnect the wires from the connectors AW102 AW105 CW108 on the amplifier board 4 Disconnect the card wire from the connector AW104 on the amplifier board 5 Disconnect the card wire from the connector AW101 on the amplifier board and remove the card wire from the slot c 6 Remove the card wire of the tuner from the ...

Page 10: ... the heat sink See Figs 12 and 13 2 From the reverse side of the amplifier board remove the three screws J attaching the heat sink See Fig 14 3 Remove the soldered sections d e f and remove the power amplifier ICs from the forward side of the amplifier board See Fig 14 Fig 12 Fig 13 Fig 14 Amplifier board G Heat sink Power amplifier IC AIC01 Amplifier board G H Heat sink Power amplifier IC PIC02 P...

Page 11: ... remove the 5DVD changer mechanism as sembly from the main body in the direction of the arrow See Figs 17 and 18 6 Disconnect the card wire from the connector CW104 on the forward side of the main board See Fig 18 7 From the top side of the 5DVD changer mechanism as sembly remove the four screws N and remove the base 1 and base 2 See Fig 19 8 From the bottom side of the 5DVD changer mechanism as s...

Page 12: ...1 12 No MB455 Fig 18 Fig 19 5DVD changer mechanism assembly M CW104 Main board Base 2 Base 1 N N N N 5DVD changer mechanism assembly Tray panels j CN701 DVD servo control board j ...

Page 13: ...VD changer mechanism assembly 1 Remove the four screws Q attaching the power transformer on the bottom chassis 2 Take out the power transformer 3 1 12 Removing the main board See Figs 21 and 22 Remove the metal cover rear panel video board amplifier board and 5DVD changer mechanism assembly 1 From the top side of the main body remove the screw R at taching the earth wires on the bottom chassis See...

Page 14: ...ing the earth wires on the bottom chassis See Fig 21 2 From the both sides of the main body remove the two screws T attaching the front panel assembly See Figs 23 and 24 3 From the both and bottom sides of the main body release the joints k m and remove the front panel assembly from the main body in the direction of the arrow See Figs 23 to 25 Fig 23 Fig 24 Fig 25 Front panel assembly k T Front pa...

Page 15: ...r mechanism assembly and front panel assembly 1 From the inside of the front panel assembly remove the four screws U attaching the FL board 2 Take out the FL board from the front panel assembly and disconnect the card wire from the connector FW102 on the forward side of the FL board Fig 26 U U FW102 FL board Front panel assembly ...

Page 16: ... video board amplifier board 5DVD changer mechanism assembly and front panel assembly 1 From the front side of the front panel assembly pull out the volume knob in the direction of the arrow See Fig 28 2 From the inside of the front panel assembly disconnect the card wire from the connector FW301 on the volume board See Fig 29 3 Remove the seven screws U attaching the volume board See Fig 29 4 Tak...

Page 17: ... No MB455 1 17 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 18: ... No MB455 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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