Re: JO47BAIRD power problem
Thanks for the advice. Are these boards repairable I repair kitchen appliances for a living so I'm OK with a bit of soldering if needed. I read on another site someone had very similar symptoms with a Toshiba TV and it was dry solder joints in the inverter somewhere soon as the kids have gone to bed I'll check all this but I don't understand how dry joints would create excessive heat this TV didnt cost me anything so I'm happy to have a play about with it and if needed spend a little on getting it going.
cvel
Senior Member
Last Activity: 03-21-2017, 09:00 AM
Joined: 05-09-2015
Location: hawarden
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Re: JO47BAIRD power problem
Another update ive put the back onto the TV as it was working OK once back todlgether I plugged back in and tried to turn it on the screen flickered on I heard walhat sounded like a spark type noise then it went back onto stand by I left it 15 minutes tried again and all is working again.Leave a comment:
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Re: JO47BAIRD power problem
Its running OK with no back on it by an open window but transformers on the inverter boards are 64 degrees power board 30 degrees but the screen is testing 34.7 degrees which seems a little hot to me but I'm no expert in this field. I'll remove that metal shielding from them caps and test again shortly and let you know. Thanks again for your helpLeave a comment:
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Re: JO47BAIRD power problem
Ive just connected it to the sky box and left the TV open I have a laser temp gauge my thinking is I'll run the TV until it goes off again and I'd be able to accurately check the temps of the boards does any of you know what temp they should safely be running at before they cut off the TV or do you think doing it this way wouldn't help at all. And thank you for your help its very appreciatedLeave a comment:
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Re: JO47BAIRD power problem
Unfortunately I haven't got a fan but will try to locate one and try it will update as soon as I canLeave a comment:
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Re: JO47BAIRD power problem
Also this time in t went off the power light stayed green but screen was dark normally when it goes off the power light goes to redLeave a comment:
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Re: JO47BAIRD power problem
Hi I had hair dryer on the psu and TV was OK but put hair dryer onto this board in the pic and TV cut off after 20 seconds...Leave a comment:
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Re: JO47BAIRD power problem
If these don't work I'll post again when my wife is home she has a better phone than me...Leave a comment:
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Re: JO47BAIRD power problem
Yes rev:1.8Leave a comment:
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Re: JO47BAIRD power problem
That's dick Barton I'll give that a try if it goes off quicker like that does it mean new board or could it be repaired just waiting for my wife to come home to tell me where she hides the hair dryerLeave a comment:
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Re: JO47BAIRD power problem
Sorry didn't upload first time...Leave a comment:
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Re: JO47BAIRD power problem
Just let me know if these pics are not OK and I'll try get better ones I think the board number is MLT199TL. Thanks for replying.Leave a comment:
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Re: JO47BAIRD power problem
I'm not sure if these have uploaded correctly...Leave a comment:
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JO47BAIRD power problem
Hi all. I have just been given this TV and found it only stays on for about an hour then turns off standby light stays on red TV will not turn back on for about 15 minutes after unplugged then stays on for another hour again. Has anyone any ideas where to start investigating first please. All advice is very much welcomed and thanks for reading -
Re: Samsung UE40D5520 KEEPS REBOOTING
I can't resize my pic sorry. Other number on board is BN4101660B the board comes up on the imagesLeave a comment:
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Re: Samsung UE40D5520 KEEPS REBOOTING
Number Sorry on the board are UE40D [5520] main- 1018.1 sub 1003
SK10BN9405225CD2U4BAH0382Leave a comment:
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Re: Samsung UE40D5520 KEEPS REBOOTING
Hi mate. I've tried all of this and still nothing working. IT did look like it was trying to do something then green squares appeared on the screen but turned off and carried on rebooting again.Leave a comment:
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Re: Samsung UE40D5520 KEEPS REBOOTING
I've downloaded it. but cannot get the TV to stay in standby mode just keeps trying to boot. As soon as the wife gets back with the stick I'll try anyway and keep you updatedLeave a comment:
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Re: Samsung UE40D5520 KEEPS REBOOTING
Thanks diif but that model number is just a little different. Would that make any difference or should I try anywayLeave a comment:
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Re: Samsung UE40D5520 KEEPS REBOOTING
Thanks for the reply. I have contacted Samsung on the phone who have said because the TV is 2 years old I will have to take it to a Samsung tech. GAVE me contact details and the tech said it'll be £160 + vat for a main board. Not something I'm willing to accept over the phone without him even looking at it. Although after some research I unplugged the main board and tried the TV again this time it stayed on screen lights nothing else without turning straight off tried again with main board reconnected and shuts itself down and restarts again...Leave a comment:
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