40f6500 power problem

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asiersan
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Posts: 145
Joined: Fri May 09, 2014 1:30 am

40f6500 power problem

Post by asiersan »

Hi, i have a problem with my 40F6500. Since yesterday, i have a problem. My tv is in standby, if i try to power it on, it start in a bootloop of 1sconnd. Tv start to boot and power of again in a endless process.

If i disconect from wall, and stay some minutes disconected, i conect it again and power on, and it can be on for hours wiothout problem. But when i power off again same problem apears.
Samsung 55HU7500L
Samsung 40F6500
Samsung 32K5570SU

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notengo13
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Location: Slovakia

Re: 40f6500 power problem

Post by notengo13 »

Open your TV and start checking power board. Maybe you can find with simple look some capacitor in the end of life.
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asiersan
SamyGO Project Donor
Posts: 145
Joined: Fri May 09, 2014 1:30 am

Re: 40f6500 power problem

Post by asiersan »

I open it, and testet capacitors and resistors, but my electronic lével is very poor.

I disconect mainboard, and front panel, and its doing same, i hear a 5v relay switching on/off continuusly marked un the photo. Si I think is psu problem
Image



I think i must buy a new one, they are economic in aliexpress, around 25€ and in any sat the reparation of the psu must cost more.


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Samsung 55HU7500L
Samsung 40F6500
Samsung 32K5570SU

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