JVC KW-AVX810J Service Manual Download Page 27 | Manualshive

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(No.MA403<Rev.001>)1-27

SECTION 4

ADJUSTMENT

4.1

Test instruments required for adjustment

(1) Digital oscilloscope (100MHz)
(2) Electric voltmeter
(3) Digital tester
(4) Tracking offset meter
(5) Test Disc : VT501 or VT502
(6) Extension cable : EXTCN001-6P (CN851 - CN961) X1

                  EXTFP001-30P(CN802-WR981)x1
                  EXTFP001-12P(CN606-CN801)x1
                  EXTXD002-60PF(CN606-CN401)x1
                                    (CN503-CN881)x1
                  EXTDV001-30P(CN981-CN605)x1
                  EXTLX001-4P(CN982-CN607)x1

(7) Extension studs : STDV001-3P

4.2

Standard measuring conditions

Power supply voltage DC14.4V(10.5 to 16V)
Load impedance 20K.(2 Speakers connection)
Output Level Line out 2.5V (Vol. MAX)

4.3

Standard volume position

Balance and Bass &Treble volume : lndication"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 amplifier IC and regulator IC respectively,
before supply the power.
If voltage is applied without attaching these parts, the power amplifier IC and regulator IC will be destroyed by heat.

Extension studs
STDV001-3P

CN401

CN401

CN401

Extension cable
EXTCN001-6P

CN961

CN851

CN605

CN607

CN607

CN607

CN602

EXTFP001-30P

EXTFP001-30P

EXTFP001-30P

EXTFP001-30P

CN606

EXTXD002-60PF

EXTDV001-30P

EXTLX001-4P

CN982

CN982

CN982

WR981

WR981

WR981

EXTXD002-60PF

1

2

CN881

CN503

CN503

CN503

EXTFP001-12P

EXTFP001-12P

EXTFP001-12P

CN801

CN801

CN801

insid

e and outs

id

e

CN802

CN802

CN802

EXTXD002-60PF

EXTXD002-60PF

EXTXD002-60PF

CN981

CN981

CN981

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Summary of Contents for KW-AVX810J

Page 1: ...10UN KW AVX810UT KW AVX810A KW AVX814UI COPYRIGHT 2008 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 10 2 SPECIFIC SERVICE INSTRUCTIONS 1 13 3 DISASSEMBLY 1 14 4 ADJUSTMENT 1 27 5 TROUBLESHOOTING 1 39 KW AVX810J KW AVX81...

Page 2: ...5 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mbytes to 2 Gbytes...

Page 3: ...tion 35 dB MW Tuner Sensitivity Selectivity 20 µV 35 dB LW Tuner Sensitivity 50 µV DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mbytes to 2 G...

Page 4: ...on 35 dB MW Tuner Sensitivity Selectivity 20 µV 35 dB LW Tuner Sensitivity 50 µV DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mbytes to 2 Gby...

Page 5: ...se 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mbyte...

Page 6: ...nse 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mbyt...

Page 7: ...onse 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mby...

Page 8: ...nse 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mbyt...

Page 9: ...onse 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD Signal Detection System Non contact optical pickup semiconductor laser Frequency Response DVD fs 48 kHz 96 kHz 16 Hz to 22 000 Hz VCD CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal to Noise Ratio 95 dB Wow and Flutter Less than measurable limit SD Compatible File System FAT 32 16 12 Capacity 8 Mby...

Page 10: ...urrs formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 11: ...ster to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 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...

Page 12: ...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 13: ... No MA403 Rev 001 1 13 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 14: ...o clockwise until Front bracket comes up See Fig 2 3 Remove the two screws A attaching the both side of Front bracket See Fig 3 4 Remove the three screws B attaching the FPC cover See Fig 4 5 Disconnect the card wires from Front bracket connected to connector CN803 and CN804 of the Panel board See Fig 5 6 Remove the four screws C attaching the both side of Front chassis See Fig 3 7 Disengage two h...

Page 15: ...e the three screws F attaching the Rear heat sink See Fig 7 2 Remove the nine screws G and one screw H attaching the rear bracket See Fig 8 3 Disconnect the connector wire from Car cable connected to connector CN601 of the Sub board See Fig 9 4 Disconnect he connector wire from Fan connected to con nector CN604 of the Sub board See Fig 9 Fig 7 Fig 8 Fig 9 E E D D E E F G G G H CN601 CN604 ...

Page 16: ...0 2 Disconnect the card wire from Main board connected to connector CN605 of the Sub board See Fig 11 3 Disconnect the connector wire from Main board connected to connector CN607 of the Sub board See Fig 11 4 Remove the four screws K attaching the both side of Top chassis See Fig 12 13 Fig 10 Fig 11 Fig 12 Fig 13 J CN607 CN605 K K ...

Page 17: ...connector CN961 of the Main board 2 Remove the four screws L attaching the Main board Fig 14 3 1 6 Removing the Sub board See Fig 15 16 1 Remove the five screws M attaching the Sub board See Fig 15 2 Disconnect the card wire from DVD mechanism connected to connector CN602 of the Sub board See Fig 16 Fig 15 Fig 16 L L CN961 M M CN602 ...

Page 18: ... Rev 001 3 1 7 Removing the DVD mechanism See Fig 17 18 1 Remove the two screws N attaching the Front board brack et See Fig 17 2 Remove the three screws P attaching the DVD mecha nism See Fig 18 Fig 17 Fig 18 N P P ...

Page 19: ...o 3 1 Remove the ten screws A and five screws B attaching the Rear cover See Fig 1 2 2 Disconnect the card wire from Panel board connected to connector CN881 of the Connection board See Fig 3 Fig 1 Fig 2 Fig 3 A A A A Top side Top side Left side Left side Right side Right side Bottom side Bottom side B B B CN881 ...

Page 20: ... to connector CN403 of the Panel board 2 Disconnect the card wire from LCD module connected to connector CN401 of the Panel board 3 Disconnect the card wire from Switch board connected to connector CN501 and CN502 of the Panel board 4 Remove the four screws D attaching the Panel board Fig 5 3 2 4 Removing the LCD module See Fig 6 1 Disengage six hooks a engaged Panel bracket Fig 6 C C CN401 CN501 ...

Page 21: ...to TP79 and TP81 approx DC 3 0V until Clamper is shift to loading complete position See Fig 2 3 Disconnect the flexible wires from Traverse mechanismassembly connected to connector CN101 and CN164 of the Front end board See Fig 2 4 Remove the five screws A attaching the Top cover assembly See Fig 3 5 From the bottom side disconnect the connector wire from Top cover assembly connected to connector ...

Page 22: ...TP81 of the Front end board 2 Remove the two screws B attaching the Front end board Fig 7 3 3 3 Removing the Loading arm assembly See Fig 8 1 Remove the Loading arm spring L from Loading arm assembly 2 Slide to left side and then disengage hook a then hook b Fig 8 B B TP79 TP81 Loading arm assembly Loading arm spring L hook a hook b ...

Page 23: ...L See Fig 9 2 Remove the two screws C attaching the Gear base assembly See Fig 10 Fig 9 Fig 10 3 3 5 Removing the Loading arm holder See Fig 11 1 Remove the two screws D attaching the Loading arm holder 2 Remove the Loading arm spring R Fig 11 Loading arm spring L C D Loading arm spring R Loading arm holder ...

Page 24: ...ide to backward the Slide cam assembly and the remove the Slide cam spring 2 Slide to frontward the slide cam assembly and then take out it Fig 13 3 3 8 Removing the Photo board See Fig 14 1 Pressing the hook c and then slide to backward slide to the arrow side the Disc plate 2 Remove the one screw F attaching the Photo board Fig 14 E Slide cam assembly Slide cam spring hook c hook c F Photo board...

Page 25: ...the A worm gear M connect gear and M wheel gear by sequentially See Fig 16 3 Remove the two screws G attaching the Loading motor Se Fig 17 4 When attaching the Loading motor motor wire should arrange to figure See Fig 18 Fig 15 Fig 16 Fig 17 Fig 18 A Wheel gear A worm gear M connect gear M wheel gear G Wire arrangement ...

Page 26: ... R collar R is easy to come off does not lose it CAUTION When reattach the Roller assembly Middle gear should keep direction and Slit washer should be change new part Fig 19 3 3 11 Removing the Roller See Fig 20 1 Remove the Slit washer 2 Pull out the Roller shaft CAUTION When reattach the Roller shaft Slit washer should be change new part Fig 20 Direction Slit washer R connect gear R collar R R m...

Page 27: ... 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 amplifier IC and regulator IC respectively before supply the power If voltage is applied ...

Page 28: ...R button and OPEN button sequentially Screen indication NO EJECT 1 EMERGENCY EJECT 2 Exchanging it operate a menu of a service mode with the UP button and DOWN button Operate choice of a menu with a PLAY PAUSE button 1 When an PLAY PAUSE button is pushed in NO EJECT indication it is set by an EJECT prohibition mode When an PLAY PAUSE button is pushed in EJECT OK indication it is aet by a normal mo...

Page 29: ...E ALL INITIALIZE ALL OK NOW INITIALIZE INITIALIZE INITIALIZE DVD OK INITIALIZE DVD INITIALIZE BT OK INITIALIZE BT TOUCH PANEL CALIBRATION TOUCH PANEL CHECK MODE INITIALIZE OK INITIALIZE Initialization of a user area of each EEPROM Main micron EEPROM initialization a user entry domain a user entry domain speaker setting subarea of J version data to pre set Panel micron EEPROM initialization picture...

Page 30: ...h a BACK button SERVICE MODE ERROR READ ERROR CLEAR BT VERSION Micon version indication Main micon version and ROM correction version DVD module version CH version Panel micon version and ROM correction version VERSION MAIN V DISC CH PANEL V V AREA REGION SYS AREA DISC AREA REGION PANEL AREA TEMPERATURE Temperature data reading Temperature data by the temperature sensor in the main micon and DVD m...

Page 31: ...ter clear completion BT VERSION SW BT CORE HW BT MODULE SW BT MODULE SW HIDEAWAY ADR Bluetooth version indication Software version of BT core Hardware version of BT Module Software version of BT Module Software version of BT Hideaway controller BT Address NOW INITIALIZE ALL INITIALIZE ALL OK RUNNING MODE See Running mode for details INITIALIZE ALL Each EEPROM is initialized by a factory shipment s...

Page 32: ...ODE 4 RDS S MODE MONITOR S MODE HD RADIO S MODE Exchanging it operate s menu of a service mode with the UP button and DOWN button Operate choice of a menu with a PLAY PAUSE button RDS S MODE RDS service mode MONITOR S MODE R W CHROMA DATA CLEAR See Monitor adjustment for details CHROMA DATA read write Clear of CHROMA DATA return to an initial value HD RADIO S MODE It is displayed in HD Radio unit ...

Page 33: ...g off the innermost position of CD CD LASER ON DVD LASER ON EEPROM DATA DISP EEPROM DATA CLEAR TEMPERATURE SEARCH JITTER CD_LD lights and laser current is displayed DVD_LD lights and laser currrent is displayed DVDx1 JITTER MODE DVD x1 jitter measuring mode for use in mechanism adjustment Laser current value jitter value Laser current value jitter value Laser current value jitter value Contents of...

Page 34: ...tment of L0 layer of DVD is not finishhed normally including focus jump failure Judgment without disc Start is impossible Stop in running mode playback Logic format analysis inability or non correspondence logic format It cannot arrive at an aim address even if it passes for 15 seconds 84 84 80 80 80 80 80 80 80 80 80 80 80 80 0059 0060 0061 0069 0070 0071 0072 0074 0075 0090 0091 0093 0094 0095 E...

Page 35: ...p It is position error during 10 degree tilt position stop It is position error during 15 degree tilt position stop It is position error during 20 degree tilt position stop It is position error during 25 degree tilt position stop It is position error during 30 degree tilt position stop It is position error during open position stop Detect abnormal voltage Ԙ Detect abnormal voltage ԙ Detect abnorma...

Page 36: ...ust Fix Fix Fix Fix Adjust Adjust Fix Fix Fix Fix Fix Fix Fix Adjust Adjust Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Color amplitude revision ON OFF Color amplitude revision CAS Color amplitude revision APC Color amplitude revision CUS Color amplitude revision APU Black level extension ON OFF Black level extension FUNCTION Black level extension START POINT Black level extension OFFSET Enhancer ...

Page 37: ...amma revision point position of a Red signal Adjust 6 gamma revision point position of a Red signal Adjust 7 gamma revision point position of a Red signal Appoint gamma revision gain 1 of the Red signal Appoint gamma revision gain 2 of the Red signal Appoint gamma revision gain 3 of the Red signal Appoint gamma revision gain 4 of the Red signal Appoint gamma revision gain 5 of the Red signal Appoi...

Page 38: ...olor signal output level setting NTSC Color signal output level setting PAL ACC movement mode setting C signal filter characteristic setting of the Y C separation part NTSC C signal filter characteristic setting of the Y C separation part PAL Amplitude killer off level setting Amplitude killer on level setting Clamp DC level adjustment setting Clamp speed adjustment setting Noise filter band setti...

Page 39: ... OR WH BL WH YG BL 3 1 5 16 7 4 15 14 13 GN BK 8 VI BK 6 WH 9 8 7 6 5 16 15 14 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 BR YG OR WH VI GN 10 WH BK BK RD BL WH VI Black Red Blue White Violet GN BR Brown GY Gray YL Yellow Green YG YellowGreen OR Orange GY GY BK 12 11 2 ...

Page 40: ... GY BK WH BK GN BK BK RD BL WH VI Black Red Blue White Violet GN BR Brown GY Gray YL Yellow NC Green YG 7 8 5 4 2 16 1 3 14 YG YellowGreen BR OR WH 8 7 6 5 16 15 14 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 YG OR WH 7 1 5 6 3 8 2 4 15 13 11 12 10 9 6 5 7 8 2 6 GY BK GY WH BK WH VI BK VI GN BK GN BR OR Orange BL WH ...

Page 41: ... BK WH BK GN BK BK RD BL WH VI Black Red Blue White Violet GN BR Brown GY Gray YL Yellow NC Green YG 7 8 5 4 2 16 1 3 14 YG YellowGreen BR OR WH 8 7 6 5 16 15 14 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 BR YG OR WH 7 1 5 6 3 8 2 4 15 13 11 12 10 9 6 5 7 8 2 6 GY BK GY WH BK WH VI BK VI GN BK GN BR OR Orange BL WH BL 4 ...

Page 42: ... No MA403 Rev 001 VPT Printed in Japan Victor Company of Japan Limited Mobile Entertainment Business Group Mobile Entertainment Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japano ...

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