JVC KW-XG56TU Service Manual Download Page 23 | Manualshive

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(No.MA471<Rev.005>)1-23

5.2

16 PIN CORD DIAGRAM (For KW-XR411, KW-XR417)

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Summary of Contents for KW-XG56TU

Page 1: ...H KW XR416UN KW XR416UP KW XR416UT KW XR417EE KW XR418J COPYRIGHT 2011 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade Lead free solder used in the board material Sn Cu melting point 230 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 5 2 SPECIFIC SERVICE INSTRUCTIONS 1 8 3 DISASSEMBLY 1 9 4 ADJUSTMENT 1 17 5 TROUBLESHOOTING 1 22 for KW...

Page 2: ...FM Tuner Usable Sensitivity 9 3 dBf 0 8 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 40 dB AM Tuner Sensitivity Selectivity 20 µV 40 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of channels 2 channels stereo Fr...

Page 3: ...279 kHz Usable Sensitivity 9 3 dBf 0 8 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 40 dB MW Tuner Sensitivity 20 µV Selectivity 40 dB LW Tuner Sensitivity 50 µV CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Cha...

Page 4: ...vity 9 3 dBf 0 8 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 40 dB AM Tuner Sensitivity 20 µV Selectivity 40 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz t...

Page 5: ...ne jack 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 ...

Page 6: ...ser diode in 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 pro...

Page 7: ...oduct uses visible and or invisible laser radiation and is equipped with safety switches which prevent emission of radiation when the drawer is open and the safety interlocks have failed or are defeated It is dangerous to defeat the safety switches 5 CAUTION If safety switches malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than th...

Page 8: ...1 8 No MA471 Rev 005 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 9: ...ig 2 Fig 2 2 Remove the three screws C attaching the Bottom chassis See Fig 3 3 Remove the two screws D and two screws E attaching the Heat sink See Fig 3 4 Remove the three screws F and one screw G attaching the Rear bracket See Fig 3 Fig 3 3 1 3 Removing the Main board See Fig 4 5 1 Remove the two screws H and one screw J attaching the Side plate See Fig 4 Fig 4 2 Remove the three screws K attac...

Page 10: ...e Fig 1 2 Remove the three screws A attaching the MECHANISM CONTROL BOARD assembly See Fig 1 Fig 1 3 Solder the short land sections on the pickup See Fig 2 Caution Solder the short land sections on the pickup before disconnecting the flexible wire from the connector CN102 on the MECHANISM CONTROL BOARD as sembly If the card wire is disconnected without attaching solder the pickup may be destroyed ...

Page 11: ... 3 2 3 Removing the roller See Fig 6 Remove the MECHANISM CONTROL BOARD assembly and top cover 1 From the bottom side of the top cover remove the screw C attaching the gear holder 2 Remove the R holder assembly from disc plate and then take out the roller from R holder assembly in the direction of the arrow Reference When attaching the R ACT gear 2 and R ACT gear 3 apply grease to the section d of...

Page 12: ...ng motor assembly See Fig 9 2 Remove the two roller springs on the top side of the mecha frame See Fig 9 3 Remove the four SUS springs on the top side of the mecha frame See Fig 9 Fig 9 4 Remove the link spring on the top side of the mecha frame See Fig 10 5 Release section f of the three dampers from the mecha frame See Fig 10 Reference When attaching the roller spring and SUS spring keep directi...

Page 13: ...When attaching the slide cam L apply grease to the section h See Fig 13 Fig 13 3 2 7 Removing the F lock lever and slide cam R See Fig 14 and 15 Remove the MECHANISM CONTROL BOARD assembly top cover and mechanism section 1 From the top side of the mecha frame take out the slide cam R assembly in an upward direction See Fig 14 2 Rotate the F lock lever in the direction of the arrow 1 and then take ...

Page 14: ...ng the shaft to the dampers apply IPA to the pocket j of damper Fig 16 3 2 9 Removing the clamper assembly See Fig 17 Remove the MECHANISM CONTROL BOARD assembly top cover and mechanism section 1 From the top side of the mechanism section release the clamper spring 2 Move the clamper assembly in the direction of the arrow and then release the joints k and m 3 Take out the clamper assembly from the...

Page 15: ...embly top cover mechanism section clamper assembly and feed motor assembly From the bottom side of the T M chassis assembly take out the SWITCH BOARD assembly in an upward direction from T M chassis assembly 3 2 12 Removing the loading motor See Fig 20 Remove the MECHANISM CONTROL BOARD assembly top cover mechanism section and clamper assembly 1 From the right side of the L M base assembly remove ...

Page 16: ...s s and t See Fig 21 3 2 14 Removing the spindle motor See Fig 23 and 24 Remove the MECHANISM CONTROL BOARD assembly top cover mechanism section clamper assembly feed motor assembly and pickup assembly 1 From the top side of the T M chassis assembly remove the CD T table assembly from the spindle motor See Fig 23 2 Remove the two screws L attaching the spindle motor See Fig 23 3 Take out the spind...

Page 17: ...n 0 Loudness OFF 4 4 Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered sincedirect reading of figures are applied in this working standard 4 5 How to connect the extension cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifie...

Page 18: ...1 Only factory use MODE 2 CD6 module running mode 2 Only factory use NORMAL PLAY Disc operation playback playback from starting position CURENT Laser Electric Current Value Initial value Current value OUT TRK OFF Tracking off at CD outermost lap INN TRK OFF Tracking off at CD innermost lap CD LASER ON CD Laser Illumination and electric current CURENT Laser Electric Current Value Initial value Curr...

Page 19: ... the speaker wiring and pushes reset When PROTECT is not displayed it is unquestionable The error data of EEPROM it deletes it CLR DC1 When PROTECT is still displayed The DC offset has been generated by the reasons other than the improper connection Forecast cause Power AMP is broken After parts are exchanged reset is confirmed pushing again 1 2 When DC2 X is displayed DC ERROR2 As for X the detec...

Page 20: ...de PTY PTY display of receiving station 00 29 indicates PTY code TP TA TP TA display of receiving station indicates TP ON OFF 1 ON 0 OFF indicates TA ON OFF 1 ON 0 OFF MS DI M S DI display of receiving station indicates M S ON OFF 1 ON 0 OFF indicates DI ON OFF 1 ON 0 OFF AF Display the contents of AF memory by scrolling indicate AF frequencies FOR RDS ONLY LEV H Field strength indicator U W H Adj...

Page 21: ...e state with DISC forward in LOAD 01 0042 E3 FORCE EJECT ERROR When detect abnormal SW from the initial state 01 0043 E5 FORCE EJECT ERROR When detect abnormal SW from the state that half DISC is drawn in LOAD and EJECT 01 0045 E7 FORCE EJECT ERROR When detect abnormal SW from the atate that DISC is in the inte rior in LOAD and EJECT 01 0047 E8 FORCE EJECT ERROR When receive Force EJECT key after ...

Page 22: ...GRAM For KW XR418 YL BK RD GN BK GN VI VI BK 5 1 12 16 2 10 6 8 7 WH BK 9 GY BK 11 BL WH 3 Black RD BK Red BL Blue WH White GN Green GY Gray Yellow VI Violet YL GY WH 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 BK RD WH GN VI GY BL WH GN BK VI BK GY BK YL NC WH BK NC 14 NC NC ...

Page 23: ... 15 13 4 3 2 1 12 11 10 9 BK RD WH GN VI GY BL WH GN BK VI BK GY BK YL NC WH BK BR NC NC 14 BK RD BL WH VI Black Red Blue White Violet GN BR Brown GY Gray YL Yellow Green 1 3 5 7 2 4 6 8 NC YL RD BK NC BR BL WH NC RD YL BK BL WH RD RD YL 2 16 1 3 11 12 10 9 6 5 7 8 7 8 5 4 2 GY BK GY WH BK WH VI BK VI GN BK GN 13 BR 7 1 5 6 3 8 2 4 ...

Page 24: ...6D KW XR414 Black RD BK Red BL Blue WH White GN Green GY Gray Yellow VI Violet YL 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 BK RD WH GN VI GY BL WH GN BK VI BK GY BK YL BL WH BK NC 14 NC NC YL BK RD GN BK GN VI VI BK 5 1 12 16 10 6 8 7 WH BK 9 GY BK 11 GY WH BL WH 2 4 3 BL ...

Page 25: ... BK 8 GN BK BK RD WH Black Red White GN VI Violet GY Gray YL Yellow Green BL Blue RD YL BL WH WH BK GY WH GN BK VI VI BK YL GN GY BK 3 4 1 10 9 7 2 3 1 8 7 16 5 6 1 12 11 8 10 9 6 15 RD GN GN BK VI VI BK WH WH BK GY GY BK 2 VI BK BL BK 13 14 BK 5 6 7 8 9 10 1 2 3 4 WH BK BK WH NC NC BL YL GY BK GY RD 3 4 5 6 VI BK NC NC GN BK 1 VI 2 GN NC BL ...

Page 26: ...VI BK NC NC NC NC NC NC YL WH GY GN VI RD NC 8 BK 16 YL 7 RD 6 BL WH 4 WH 12 WH BK 3 GN 11 GN BK 2 VI 10 VI BK 1 GY 9 GY BK 20 10 2 1 8 18 6 16 5 15 7 17 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 14 BL 5 9 BL WH GN GN BK VI BK VI BL BL WH RD BK WH WH BK GY BK GY NC NC NC YL BK RD BL VI GN WH GY YL Black Red Blue Violet Green White Gray Yellow ...

Page 27: ... No MA471 Rev 005 1 27 ...

Page 28: ... No MA471 Rev 005 VSE Printed in Japan Victor Company of Japan Limited J K Car Electronics Corporation 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan ...

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