Videocon LEDTVVKC22FH-ZMA Service Manual Download | Manualshive

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***VIDEOCON CONFIDENTIAL***

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Summary of Contents for LEDTVVKC22FH-ZMA

Page 1: ...gaon Taluka Paithan AURANGABAD 431105 MAHARASHTRA INDIA This Service manual is property of Videocon Industries Ltd VIDEOCON CONFIDENTIAL V59Service Manual Models LEDTVVKC22FH ZMA LEDTVVKC24HH ZMA LEDTVVKC28HH ZMA LEDTVVKC32HH ZMA LEDTVVKC40FH ZMA LEDTVVKC50FH ZMA LEDTVVKC55FH ZMA ...

Page 2: ...V59 SERVICE MANUAL SPECS REV DATE DESCRIPTION Ver1 0 Rev 0 0 28 AUG 13 PREPARED BY VIDEOCON CONFIDENTIAL R D V59 manual ...

Page 3: ...ous radiation exposure Use of controls other may result adjustments or procedures than those specified herein in 1 SAFETY PRECAUTIONS WARNING TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION Read all of these instructions Save these instructions for later use Follow all Warnings and Instructions marked on the audio equipment 1 Read Instructions All ...

Page 4: ...After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electr...

Page 5: ...they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the ci...

Page 6: ...EY1 IF TUNER BLOCK DIAGRAM DVD I F DDR2 CN301 AV1 32Mbit 0B2273 RT8296A DC DC U2 DC DC U101 U105 U103 U13 5VSTB 5VA 12VA PWR ON OFF 5VA AUDIO AMP TPA1517 U702 U703 CVBS1 L R AIN1 U501 RGB SW J501 J401 J402 YPbPr J307 J301 L R AIN3 YPbPr1 RGB1 CVBS2 J302 HeadPhone PT2308 U701 5VA TO SPK CN701 HP_JACK J304 SY8008B Built in L R AIN5 CN202 SCART J306 RGB RGB0 L R AIN4 CVBS0 AV OUT J308 CVBS_OUT L R AO...

Page 7: ... CONFIDENTIAL 7 4 4 SYSTEM WIRING DIAGRAM 22 24 28 Connection wire Blacklight NO Name 1 2 3 4 5 Connection Wire For Keyboard and Remote Connection Wire For Speaker LVDS Wire Connection Wire Power Wire 1 5 2 3 4 ...

Page 8: ...CON CONFIDENTIAL 8 4 4 SYSTEM WIRING DIAGRAM 32 Connection wire Blacklight NO Name 1 2 3 4 5 Connection Wire For Keyboard and Remote Connection Wire For Speaker LVDS Wire Connection Wire Power Wire 5 2 3 4 1 ...

Page 9: ...4 SYSTEM WIRING DIAGRAM 40 46 50 55 Connection wire Blacklight NO Name 1 2 3 4 5 Connection Wire For Keyboard and Remote Connection Wire For Speaker LVDS Wire Connection Wire Power Wire 5 2 3 4 1 6 Power Conn PSU to Main borad 6 ...

Page 10: ...n will start and complete Note Don t Power OFF TV set Once you start SW loading process You can t use SW installation through USB if your TV set is on Permanent standby LED is RED in this case you must use JIG installation process STEP 9 After completion of software upgrade TV will be re boot automatically and restart STEP 10 TV will go in burning mode automatically and Red Blue Green Patterns wil...

Page 11: ... there is 5V at Pin35 in CN201 No Replace the Q101 Yes Check if there is normal voltage at C1026 Yes No Check if U3 Pin20 3 3V Pin11 5V Pin19 5V U5 Pin2 0 72V Pin3 5V Pin4 12V Pin6 5 7V is normal Change LVDS wire No Replace U3 or U5 Check if Q103 D9 R700 is working Yes Replace Q103 D9 No M ain board failure check ...

Page 12: ...26 VIDEOCON CONFIDENTIAL ...

Page 13: ...26 VIDEOCON CONFIDENTIAL ...

Page 14: ... sound system is correct Poor sound Change sound system No Update the software and make the reboot or change the Mainboard Still having problems For ease of use recommend that customer format the picture and sound settings in the automatic option ...

Page 15: ...ure and sound system Refer to relative instructions in the Manual for color adjust No No Yes Yes Check out of picture and sound system of this channel Change the channel to the right sound system PAL M N PAL D K No color for some channel program black and white Still having problems Updata the software and make the reboot or change the maiboard ...

Page 16: ...27 VIDEOCON CONFIDENTIAL ...

Page 17: ...boost IC is working normally 2 Verify if the Mainboard output the right On Off signal to power board 3 Verify if the Mainboard output the LVDS singal to panel T con board 4 Verify if the software is the right version of this model 5 Change the LVDS wire to check if it s broken Power board not work 1 Verify if the power cord connect well 2 check if the power supply if working normally check if the ...

Page 18: ... bar H Dim Horizontal gary line H L D H o r i z o n t a l line light or dark forever Part Name Description Phenomena Failure cause Panel or Polarlzer Dot Defect Bright dot dark dot in pannel I n c o m i n g I n s p e c t i o n Standard Polarizer Bubble Bladder in Polarizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F M i n s i d e Polarizer E...

Page 19: ...ctric circle Causeed by between mechanism and pannel B L off B L lose action Connect badness between wire and electrode B L dark B L brightness darker than normal Connect b a d n e s s S h o r t between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime...

Page 20: ...29 VIDEOCON CONFIDENTIAL 14 REMOTE CONTROL 14 1 REMOTE CONTROL PHOTO ...

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