Re: 52LG50 Has Mind of its own
fierygt,
PM me your address and I will get that resistor mailed to you.
Sorry I haven't been on here much, since I got mine working acceptable.
By lowering the Backlight setting from 6 down to a 3 I have not had a bit of a problem. The thing that really surprised me was that there was no obvious difference in the looks of the picture when I went from a 6 to a 3. I expected it to be much darker, but you couldn't tell a difference.
I no longer have the television, but now I am curious if it would have helped to put the 10W...
gfox
Elect Eng
Last Activity: 05-11-2015, 06:14 AM
Joined: 04-03-2015
Location: Mattoon, IL
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Last edited by gfox; 05-09-2015, 05:01 AM. -
Re: 52LG50 Has Mind of its own
I can send you one of those resistors if you want. I ordered 5. If I stuck it in the USPS mail, I would be out a whole .70. No big deal.Leave a comment:
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Re: 52LG50 Has Mind of its own
fierygt,
Just to confirm is your television turning back on after you turn it off, or is it turning right back off after you turn it on?
Mine has been turning back on after I turn it off, but has done both from time to time. Recently though it has just been turning back on.
I was wondering if you could check something else for me?
I have discovered that if I hit the Q Menu button, then select the Backlight and set the value down to 3, the problem has gone away. Mine was originally set to 6. I haven't plugged it in to the...Leave a comment:
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Re: 52LG50 Has Mind of its own
Well the new 5W resistor has gotten my power back, but the television has started turning back on again after I shut it off. Also it is back to only doing this when the back cover is on. immediately after I take the back cover off it works fine.
Even when I have the back cover off, but then but a piece of cardboard big enough to cover the power supply cover up against the cover it starts acting up again. I am convinced it is a EMI issue.
fierygt
,
I am curious if you power cord has a ferrite bead on the wire? I am...Leave a comment:
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Re: 52LG50 Has Mind of its own
fierygt
I just ordered 5 of them, so if it fixes my problem I will let you know. I could stick one in the mail for you also. They were only less than $0.20.Leave a comment:
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Re: 52LG50 Has Mind of its own
Fierygt,
I told you that all of a sudden I completely lost power and that my television wouldn't even try to power up. Well, I found the problem I why it won't power up. I lost that power resistor that we have been talking about. I couldn't believe it! Either that is very ironic or that has been a weak link. I never did anything that should have effected that resistor and it has just completely opened up.
I will let you know how things go once I replace it.
Have you replaced yours, yet?Last edited by gfox; 04-17-2015, 08:44 PM.Leave a comment:
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Re: 52LG50 Has Mind of its own
As cheap as the power resistor is it wouldn't be a bad thing to replace it, but I highly doubt that is the problem. Especially since mine measures very close to spec and still has the same issue as yours. I would have to believe the root cause of both of ours will be the same.
As I mentioned earlier I did change out both of the larger 220 uF caps, because one of mine was bulged on the top, but it did not help the problem at all.
The night before last I took the power supply out again and started looking to see what is driving the small...Leave a comment:
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Re: 52LG50 Has Mind of its own
WOW! Never mind I could make it come and go 30+ times by removing and replacing the cover the night before last and then last night it was giving me the problem even with the cover off.
The 5w 6.8 ohm white ceramic power resistor that you referred to is measuring 7 ohms on mine in the circuit.
The thermistor (which resembles a ceramic cap, labeled TH) next to the relay measures about 10 ohms.Last edited by gfox; 04-16-2015, 01:07 PM.Leave a comment:
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Re: 52LG50 Has Mind of its own
Fierygt,
Do you also have a 52LG50 that is doing the same thing?
If so, I was wondering if you could do me a favor and try something with yours? The one thing I have noticed is that the television works just fine as long as the back cover is not on. I have removed the cover and replaced it without screws multiple times to watch the problem come and go. To further understand where the plastic cover is effecting the operation I placed the cover just over certain modules on the back of the television. I found that the when the cover is within...Leave a comment:
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Re: 52LG50 Has Mind of its own
Did any of the people who posted on this thread ever figure out what was causing their 52LG50 sets to cycle power, or not go off and stay off?
I have the same television doing the same thing.
Thanks!Leave a comment:
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