Re: Samsung 910t
Hello Rtech,
thank you for your friendly offer.
Attached you can find the pictures of the transformer (top and bottom).
They are from a board with part number BN44-00106B.
Currently, I'm still searching in my "neighbourhood", since this is easier in connection with shipping the transformer.
But just in case I can't find anything suitable, it would be nice if you could check your "spare parts".
If you do have this transformers, could you please do me a favour and...
voithian
New Member
Last Activity: 10-24-2010, 02:40 AM
Joined: 08-18-2010
Location: Germany
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Re: Samsung 910t
I'll try to find one in the internet.
Thank you to everyone for their assistance.
Wolfgang...Leave a comment:
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Re: Samsung 910t
I've removed the two transformers from the inverter board and measured the resistance of the primary and secondary side.
1. Transformer:
primary: 0.3 ohm
secondary: 1077 ohm
2. Transformer:
primary: 0.3 ohm
secondary: 996 ohm
Transformers are identical type and part number.
In my opinion, the difference is quite big. Do you think there is a short between windings in the second transformer, or ist this still an acceptable tolerance?
Does this justify ordering...Leave a comment:
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Re: Samsung 910t
OK, shouldn't be a problem to check. I'll unsolder the transformers and measure their values. Luckily, I have two them to compare...
Not easy to check. I don't have a spare CCFL. Can I unplug one of the 4 connectors and see if the backlight works with the remaining 3 CCFLs. Does anyone know if the OZ960 circuit detects that one CCFL is disconnected?
Maybe this a misunderstanding. I am willing to troubleshoot the problem, but I think there is no sensible way to check 100 or even more capacitors, resistors, diodes, transistors...Leave a comment:
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Re: Samsung 910t
I've read your troubleshooting guide, but unfortunately, I don't have spare CCFLs to check them one after the other.
And to be honest, I don't like the idea of desoldering components like diodes, transistors, capacitors, etc. and measure their values.
One additional problem is the fact that I have to know, which of the components is involved in generating the voltage for the backlight.
By the way, I haven't got any circuit diagrams for the power supply and inverter board on the internet. They are not in the service manual....Leave a comment:
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Re: Samsung 910t
Thank you for your quick response. I'll go into that thread and see if it helps to solve the problem.
I'm afraid this doesn't help. My board doesn't have this upside down card.
I'll take some photos tomorrow morning (it's almost time to go to bed in Germany) and post them here....Leave a comment:
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Re: Samsung 910t
Hello to everybody,
as you might notice, I'm not a native speaker of English (I'm German) and this is the first time that I participate in an English-speaking forum. So please bear with me, if something isn't expressed clearly or if I do something wrong.
But nevertheless, I have a problem with my Samsung 910T and any help would be greatly appreciated.
After switching on with the power button, the backlight comes on for about 100 or 200 milliseconds and you can perfectly see the Windows desktop. After that, the screen goes totally...Leave a comment:
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