Having problems with your Flat Panel Televisions ?

My LG 21 int ch flat screen takes time to show pictures,the red button appears on and sound will be heard but their will be no pictures,they appear after some time please help me.



Answers :

Hi,

\015\012 You have to check the back light of your lcd TV. All lcd screen \015\012have a back light to illuminate the pixels. you can conform is the back \015\012light is faulty or not by watching the lcd screen nearby. Watch can you see any image (negative image) on the screen. you have to look very closely. if you see any image on the screen then the back light or the back light inverter is faulty.

\015\012 first of all check all the electrolytic capacitors in the power supply \015\012and back light inverter board.If available then replace these capacitors\015\012 first.
\015\012
\015\012You have to check the back light inverter board. Normally \015\012in lcd monitors you can see three circuit boards. power supply, mother \015\012board, and the inverter board. If available then try to replace\015\012 the inverter board. There are high voltage transformers in this board. \015\012There is a chance for its winding get short. You will not get the \015\012transformer in open market. Try for the inverter board .
\015\012ok

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