Saturday, 19 March 2016

Sharp TV sparking problem

To day a customer give us a TV of sharp company and he tells us that a sparking sound come form inside the TV
                                                   
                                              so we open its back cover
and we found that his fly back is sparking so  


this is fly back number 

so we have no new so we take the alternate of a china tv 





                                                   and we change it and tv become ok 

Thursday, 21 January 2016

Samsung 40"UN40EH5000 no pic

a customer give me a led TV of Samsung 40 inch model UN40EH5000

and tell me that he is in no picture so i open it

 and check it and found that his t.con is not working then i change the new t.con




and repair ok





how to write a IC program or how to copy a software one tow another ic

to day my friend ask me for any programmer have witch can copy one tow another ic so i found this programmer form internet about 3 hour search thefile:///D:/sanghi/M%20M%20SANGHI/Pictures/tv/sony%20tv/Superpro%20Programming.pdf file is attached 

Tuesday, 19 January 2016

Sony W850B stand by

to day i receive a led tv of sony W850B the customer tell me that when they plug in supplay the tv come to standby and i open it and see that all voltage is coming but stndby (5) voltag is not working then i change the EPROM but tv still on standby then i  chaek the voltage of T.CON  voltage then i found that t.cn voltage is not working then i open the LVDS cable then i power and i found that tv become ok not standby than i open the t.com and i found that ziner diod is short and some some also repair this t.con and repair the fuse (he short fuse with wire )   and i change the diod and allso change the fuse same ratting and agin chak and found the tv be come ok

Monday, 18 January 2016

Sony Bravia KLV-32T400A

No picture in  Sony Bravia KLV-32T400A   LCD TV   


then i open it and found that its back light is on


 but main t.con is not working and also customer tell me that some time picture com but when picture come than picture is not good come time pic come   withe virtual line and some time raster come 
so i change with new t.con 

Sony Bravia 32" KDL-32BX420 No Display

to day my customer give me a LCD TV of  Sony Bravia 32" KDL-32BX420 
 LCD  tv and i when i open it 


chak that LCD i found that all voltage is ok and display is coming but back light of panel is not working than i chak the back light lamp card than i found that the lamp card is not working then i change it wihe new one

  

         
and LCD TV become of

Sunday, 17 January 2016

LG TV NO PICTURE

to day I received a 14 in lg TV in no power form my customer I open it and chak it and I found that horizontal transistor is faulty D 2499 so I Chang it with new one and TV become OK