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Anthony_Infotech
Anthony_Infotech, Technician
Category: TV
Satisfied Customers: 9836
Experience:  20+ years experience TV expert in the main
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My LG 42LG7000 is taking a long time to come on after being

Customer Question

My LG 42LG7000 is taking a long time to come on after being switched off or on Stanby. It can vary from 10 secs which is the standard time it should take to up to an hour for it to come on. Any help appreciated.
Submitted: 4 years ago.
Category: TV
Expert:  Anthony_Infotech replied 4 years ago.

Hello
Welcome

 

Is it struggling during this time to come on perhaps you can hear a clicking or sizzling? eventually firing up ok?

 

Anthony

Customer: replied 4 years ago.
No, the red standby light just flashes and eventually comes on.
Expert:  Anthony_Infotech replied 4 years ago.

OK

 

I have to tell you I have just finished doing one of these sets and we had to replace the mainboard although originally it looked like a powerboard issue

 

So its either a powerboard issue (could be bad electrolytic capacitors) or a mainboard problem, if you like you could check the powerboard by physicaly looking for these bad capacitors ,the powerboard will have the powercord going to it

 

The capacitors look like the 2nd picture perhaps with swollen heads or leaking

 

Many thanks

 

Let me know if you need more info

 

Anthony

 

 

Customer: replied 4 years ago.
I have had a look and there doesn't look like any problems, however I am no expert in this field. I have referred this to a local repair man who is going to have a look,
Expert:  Anthony_Infotech replied 4 years ago.

 

It may not have been apparent to you on the issue of the capacitors, if its the mainboard this will need to be swopped out had the same issue myself however its either powerboard or mainboard I cant be any specific than this for your trouble i'm afraid

 

Anthony

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