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Sure the power supply si working and the processor seems struck up to trigger the power but is not responding to the remote. So it is important that the main processor is checked to fulfill the working. Check for the +5 rail voltage, check for the input /output data, check the remote feed of data and the crystal oscillator.
It is possible that there is a failure around the processor or the memory.
Hi, If you are expert and have experience then follow the instruction given below:
Check first Filament is lighten-up ? If yes then check ABL Voltages, if
filament voltages not present check horizontal out put transistor. and
check also safty resistances in surrounding area of H OUT Transistor.
And if you are not a tech person then i advise you to please contact any expert nearby, this problem bit technical. Hope this will solve the problem. Thanks for using fixya.
The first problem was always standby mode.... get back the original eprom IC 24CO8WP in to the PCB, then find the original remote control of you TCL Tv tcl-14175 then you power On In the Remote control while your TV is in Standby mode! then you see your tv is going ON... Because your unit is in Child lock Mode....
sounds like a power supply problem. The blinking sound could either be the relay or high voltage inside the picture tube and flyback transformer. Bottomline is, you would need to have it checked by a qualified tv tech.
Last night i set childlock in my nikai ( NTV34010) tv set and tuned off by remote control.Then after some time later i tried to turn on tv but there is no sound and no picture.
will u please help me to solve it out.
if the set has a previous vertical line problem and a white horizental line only comes in the cross of the screen and you turned the tv on for a time while the problem is solved that mean you have make a burnt line to the screen ,
but if you are the tv owner and nothing of that happens so you have a problem in faulty dried capaciter in the vertical live part search for 33uf 160 v or 22u 160 v and alter
please don't forget to rate
Sounds like you have lost video somewhere in the video circuits. Possibly the picture tube could have gone bad or lost filiament voltage.
You can check to see if you have high voltage by holding your bare arm close to the screen. The hairs will stand up if you have high voltage. Absence of high voltage will also cause a black screen,but the sound might not work either since on some sets the power for the sound is supplied from the same circuit as
the high voltage.
The Tic Tic sound is a result of the high voltage shutdown circuit. Thats what the circuit does if theres a short in the Highvoltage sweep. like maybe a shorted horizontal output transistor??. The only way to really tell is go in and measure the start up voltage and if the Hivoltage comes up and shuts down its a fault in the shutdown or Hhv regulation circuit . if it dosent come up at all then the faults in the Horizontal sweep circuit . Hope this explains a bit? good luck