JVC MX-JE3 Service Manual Download

Page: 42 / 42

(No.MB385)

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

Summary of Contents for MX-JE3

Page 1: ...N 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 34 5 TROUBLESHOOTING 1 41 Area suffix US Singapore UW Brazil Mexico Peru UX Saudi Arabia UY Argentina UG Turkey South Africa Egypt UE Turkey UN Asean MX JE3 Area suffix UX Saudi Arabia UG Turkey South Africa Egypt UN Asean MX JE31 CA MXJE3 SP MXJE3 SP MXJE3 CA MXJE31 SP MXJE31 SP MXJE31 ...

Page 2: ...z at 10 kHz Disc player section Playable disc DVD Video CD VCD SVCD CD R CD RW recorded in Audio CD Video CD Super Video CD MP3 WMA JPEG format DVD R DVD RW recorded in video format Dynamic range 90 dB Horizontal resolution 500 lines Wow and flutter Immeasurable Cassette deck section Frequency response Normal type I 50 Hz 14 000 Hz Wow and flutter 0 15 WRMS General Power requirement AC 110 V AC 12...

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: ...n the optical pickup The tester s internal power source can easily destroy the laser diode 1 6 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in t...

Page 5: ...lock failed or defeated AVOID DIRECT EXPOSURE TO BEAM e VARNING Synlig och osynling laserstrålning när den öppnas och spärren är urkopplad Betrakta ej strålen s VARO Avattaessajasuojalukitus ohitettuna tai viallisena olet alttiina näkyvälle ja näkymättömälle lasersäteilylle Vältä säteen kohdistumista suoraan itseesi f ADVARSEL Synlig og usynlig laserstråling når maskinen er åben eller interlocken ...

Page 6: ...1 6 No MB385 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 7: ...wo screws A attaching the metal cover See Figs 1 and 2 2 From the back side of the main body remove the six screws B attaching the metal cover See Fig 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 1 and 2 Fig 1 Fig 2 Fig 3 Metal cover A Metal cover A Metal cover B B B ...

Page 8: ...isconnect the wire from the connector CN119 on the transformer board See Fig 5 Reference After connecting the wire pass the wire through the slot b of the holder board as before See Fig 5 7 Remove the tie band fixing the wire and disconnect the wire from the connector CN106 on the speaker terminal board See Fig 5 Reference After connecting the wire fix the wire with a new tie band as before See Fi...

Page 9: ... No MB385 1 9 Fig 6 Fig 7 Front panel assembly D D Front panel assembly E E F a a ...

Page 10: ...crews G attaching the tuner to the rear panel See Fig 9 3 1 4 Removing the video board See Figs 8 and 9 Remove the metal cover 1 From the top side of the main body disconnect the card wire from the connector CN410 on the main board See Fig 8 2 From the back side of the main body remove the screw H attaching the video board to the rear panel See Fig 9 Fig 8 Fig 9 CN410 CN21 Main board Video board C...

Page 11: ...nel See Fig 10 3 Remove the two screws K and fifteen screws L attaching the rear panel See Fig 11 Reference Remove the tuner and video board as required See Figs 8 and 9 4 From the both sides of the main body release the sections d of the center chassis in the direction of the arrow and re lease the joints e attaching the rear panel to the bottom chassis See Fig 11 Fig 10 Fig 11 Rear panel Rear co...

Page 12: ... the card wire through the sec tion f of the main board before connecting the card wire to the connector CN11 See Fig 12 3 Remove the spacers fixing the card wires See Fig 12 Reference After connecting the card wires fix them with the spacers as before See Fig 12 4 From the inside of the main body take out the DVD mech anism assembly 5 Remove the tray fitting from the DVD mechanism assembly in the...

Page 13: ... Reference After connecting the wires to the connectors fix the wires with the wire clamp as before See Fig 15 5 Disconnect the parallel wire from the connectors CN220 CN221 on the main board See Fig 15 6 Release the lock g of the connector CN216 on the main board in the direction of the arrow 1 and disconnect the main board from the connector CN216 on the speaker ter minal board toward this side ...

Page 14: ...ssembly with the DVD mech anism assembly from the main body Fig 16 3 1 9 Removing the transformer board See Fig 17 Remove the metal cover tuner video board rear panel and center chassis assembly 1 From the top side of the main body disconnect the wires from the connectors CN119 CN250 on the transformer board 2 Disconnect the parallel wire from the connector CN103 on the transformer board 3 Remove ...

Page 15: ...rence After connecting the parallel wire fix it with the new tie band 2 Disconnect the parallel wire from the connector CN106 on the speaker terminal board 3 Release the locks i j of the connectors CN205 CN214 and disconnect the speaker terminal board in an upward di rection Note When releasing the locks i j take care not to break them Fig 18 Speaker terminal board Speaker terminal board CN205 CN2...

Page 16: ... CN203 on the primary board See Fig 19 Note When releasing the locks k m take care not to break them See Fig 19 2 Take out the regulator and main amplifier boards at the same time from the main body 3 Remove the two screws R attaching the leaf spring to the heat sink and remove the regulator board from the heat sink See Fig 20 4 Remove the two screws R attaching the main amplifier board to the hea...

Page 17: ...main body disconnect the wire from the connector CN119 on the transformer board Reference Pass the wire through the slot n of the holder board be fore connecting the wire to the connector 2 Remove the screw S attaching the primary board on the bottom chassis 3 Remove the section p of the primary board and take out the primary board from the bottom chassis Fig 21 Primary board Bottom chassis Holder...

Page 18: ...tay bracket See Fig 23 Reference When attaching the screw U attach the earth wire with it See Fig 23 3 From the inside of the front panel assembly remove the eleven screws V attaching the switch board See Fig 24 4 Take out the switch board from the front panel assembly 3 1 15 Removing the cassette mechanism assembly See Fig 24 Remove the metal cover and front panel assembly 1 From the inside of th...

Page 19: ...ove it from the projections a of the DVD mechanism assembly 3 Slide the clamper base in the direction of the arrow and re move it from the joints b Fig 1 3 2 2 Removing the tray assembly See Fig 2 1 From the top side of the DVD mechanism assembly re move the two screws B attaching the shaft guide of the tray assembly 2 Remove the tray assembly from the projections c of the DVD mechanism assembly a...

Page 20: ...ire from the connector CN101 on the DVD module board If the card wire is discon nected without attaching solder the pickup may be de stroyed by static electricity See Figs 4 and 5 When attaching the DVD module board be sure to re move solders from the short land sections d after con necting the card wire to the connector CN101 on the DVD module board See Figs 4 and 5 3 Disconnect the card wire fro...

Page 21: ...pickup See Figs 4 and 6 3 Remove the screw E attaching the plate and thrust spring See Fig 6 4 Remove the engagement section h attaching the plate to the feed holder and remove the plate See Fig 6 5 Remove the engagement sections i j remove the thrust spring See Fig 6 6 Remove the shaft of the pickup from the section k on the traverse mechanism assembly and remove the shaft from the section m whil...

Page 22: ... m of the traverse mechanism assem bly See Fig 7 Note When attaching the shaft to the section m attach it under the torsion spring See Fig 7 3 Attach the plate and thrust spring See Fig 6 4 Remove solders from the short land sections d after con necting the card wire to the connector on the pickup See Figs 4 and 6 5 Turn the feed gear M in the direction of the arrow 1 to move the pickup in the dir...

Page 23: ...gear E and feed gear M at the same time after removing the three screws H attaching the feed holder See Fig 11 6 From the side of the feed holder remove the two screws J attaching the feed motor See Fig 12 3 2 8 Removing the spindle motor board See Figs 11 and 13 Remove the traverse mechanism assembly and DVD module board 1 From the top side of the traverse mechanism assembly re move the wires fro...

Page 24: ...Removing the motor See Figs 14 and 15 Remove the clamper base and tray assembly 1 From the bottom side of the DVD mechanism assembly re move the wires from the soldered section u on the switch board See Fig 14 2 From the top side of the DVD mechanism assembly re move the belt from the motor pulley See Fig 15 Note Take care not to attach grease on the belt 3 Remove the two screws M attaching the mo...

Page 25: ...n After reassembling check the direction of the main mo tor and polarity of the wires See Fig 2 3 Remove the main motor and main belts See Fig 2 Note When attaching the main belts take care not to attach grease on the main belts Fig 1 Fig 2 3 3 2 Replacing the F R belts See Fig 3 Prior to performing the following procedures remove the main motor and main belts Remove the wires of the main motor as...

Page 26: ...ns b See Fig 6 5 Release the claws c in the direction of the arrow remove the plates and pulleys See Fig 6 6 Release the claws d in the direction of the arrow remove the guide arms See Fig 7 Note When attaching the guide arms attach the springs with them as before See Fig 7 7 Remove the cam gears in an upward direction See Fig 7 8 Take out the clutch assemblies from the cassette mecha nism assembl...

Page 27: ...embly Fig 8 3 3 6 Removing the PB head block See Fig 9 1 From the bottom side of the cassette mechanism assem bly remove the tie band fixing the wire Reference After reassembling fix the wire with a new tie band as before 2 From the front side of the cassette mechanism assembly release the claw i in the direction of the arrow 1 and pull out the pinch roller in an upward direction 3 Remove the scre...

Page 28: ...rrow 2 and pull out the pinch roller R in an upward direction 3 From the bottom side of the cassette mechanism assem bly remove the screw C attaching the R P head board 4 From the front side of the cassette mechanism assembly remove the two screws D attaching the R P head 5 Take out the R P head block R P head and R P head board from the cassette mechanism assembly Fig 10 D C D Pinch roller R n m ...

Page 29: ...ections a See Figs 1 and 2 Note To prevent damaging the front panel assembly and speaker main body insert cushioning plates etc into the space between the speaker main body and front panel assembly See Fig 2 2 From the inside of the front panel assembly disconnect the gray and black wires from the terminals of the tweeter See Fig 3 Fig 1 Fig 2 Fig 3 Net assembly a a a a a a b Front panel assembly ...

Page 30: ...ont side of the speaker main body remove the four screws A attaching the speaker See Fig 4 2 Take out the speaker from the speaker main body and dis connect the wires red black gray black from the terminal of the speaker See Fig 5 Fig 4 Fig 5 Speaker A A Speaker Wires gray black Wires red black Terminal ...

Page 31: ... 31 3 5 Speaker section For MX JE31 3 5 1 Removing the net assembly See Fig 1 From the front side of the speaker main body remove the sec tions a of the net assembly toward this side Fig 1 Net assembly a a a a a a ...

Page 32: ...ns b See Figs 2 and 3 Note To prevent damaging the front panel assembly and speaker main body insert cushioning plates etc into the space between the speaker main body and front panel assembly See Fig 3 2 From the inside of the front panel assembly disconnect the gray and black wires from the terminals of the tweeter See Fig 4 Fig 2 Fig 3 Fig 4 Front panel assembly b b b b b b b Front panel assemb...

Page 33: ...ront side of the speaker main body remove the four screws A attaching the speaker See Fig 5 2 Take out the speaker from the speaker main body and dis connect the wires red black gray black from the terminal of the speaker See Fig 6 Fig 5 Fig 6 Speaker A A Speaker Wires gray black Wires red black Terminal ...

Page 34: ...t and output systems with an electronic voltmeter for two channels therefore the earth should be connect ed particularly carefully 7 In the case of BTL connection amp the minus terminal of speaker is not for earthing Therefore be sure not to connect any other earth terminal to this terminal This system is of an BTL system 8 For connecting a dummy resistor when measuring the output use the wire wit...

Page 35: ...in 3dB 3 Put on the screw lock paint after alignments Test tape VT703 10kHz Measurement output terminal Left and Right speaker output 6 ohm loaded or Headphone Output 32 ohm loaded Test tape TYPE I AC 514 Measurement output terminal Erase head terminal CN308 8 Pin Maximum output 80kHz 3kHz Adjust the head azimuth screw only when the head has been changed Cassette Head Azimuth Alignments Recording ...

Page 36: ...at standby Indication returns to normal indication by doing the same operation again This confirmation is possible in a power on state 3 System ROM number firmware version and region check Press the FADE MUTING button while pressing the ENTER STANDBY ON buttons on the remote controller in a power on state SYS X XX FL indication Press the FADE MUTING button again while pressing the ENTER STANDBY ON...

Page 37: ...button on the main unit at standby XXXXX FL indication XXXXX LOCKED or UNLOCKED Setting of LOCK UNLOCK changes by the same operation again Insert the power cord in an outlet while pressing the CANCEL and buttons on the main unit 7 System micon soft reset System micon is initialized Press the STANDBY ON button while pressing the CANCEL and PAUSE buttons on the main unit at standby 8 Setting of DVD ...

Page 38: ... button on the main unit B EEPROM INITIALIZE FULL Press the MENU button on the remote controller FL indication For Example 1234 DISPLAY SHOWS DEVICE KEY CHECKSUM Press the MENU button on the remote controller FL indication aaaa cccc VERSION DISPLAY aaaa Syscon micon version cccc Backend micon version Press the MENU button on the remote controller FL indication ALL FL light UP Press the MENU button...

Page 39: ...ler STOP POWER OFF or SOURCE CHANGE Cancellation of the DVD TEST MODE WOBBLE display CD Laser Current DVD Laser Current DVD SL Jitter Memory BWD Memory FWD Temperature Press the 10 button on the remote controller DVD DL SL Jitter DVD DL SL Jitter Press the 10 button on the remote controller EEPROM Initialize Press the 0 button on the remote controller Monitor Change Monitor Display FL indication C...

Page 40: ...g 2 Remote By pressing 4 Remote By pressing 5 Remote By pressing 6 Remote By pressing 7 Remote By pressing 8 Remote By pressing 9 Remote By pressing 10 Remote By pressing 10 Remote By pressing 0 Remote By pressing STOP Front or Remote By pressing OPEN CLOSE Front By pressing PLAY Front or Remote Laser Jitter DVD TEST MODE TEST START Version info A EEPROM INITIALIZE NORMAL B EEPROM INITIALIZE FULL ...

Page 41: ... No MB385 1 41 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 42: ... No MB385 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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