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Old 09-14-2020, 08:09 PM   #1
tonebells
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Default UN65HU9000 T-con

I have a UN65HU900 that CD3011 on the T-con shorted. It has no markings. Dose anyone know what it may be? I can not find service info anywhere.

T
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Old 09-15-2020, 03:50 PM   #2
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Default Re: UN65HU9000 T-con

Please attach good clear pictures of the board so we can see what we are dealing with.
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Old 09-16-2020, 04:47 AM   #3
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Default Re: UN65HU9000 T-con

Here are some pictures. Let me know if you want to see anything else.

T
Attached Images
File Type: jpg IMG_7461.jpg (616.6 KB, 19 views)
File Type: jpg IMG_7462.JPG (405.7 KB, 16 views)
File Type: jpg IMG_7464.JPG (202.5 KB, 15 views)
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Old 09-16-2020, 06:38 AM   #4
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Default Re: UN65HU9000 T-con

At the risk of sounding like a half a$$ed fix.. When i cant ID a part like that I usually look for an exact size match off a donor board, 9 times out of 10 the value is close enough that the circuit just dosent care.
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Old 09-16-2020, 02:06 PM   #5
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Default Re: UN65HU9000 T-con

What is the P/N of that ICD3?
i should be the same capacitance of the cap used on the left side of the board where it is connected to the same type of 6-pin IC on the left side..
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Old 09-16-2020, 06:49 PM   #6
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Default Re: UN65HU9000 T-con

Quote:
Originally Posted by Kilroy2k1 View Post
At the risk of sounding like a half a$$ed fix.. When i cant ID a part like that I usually look for an exact size match off a donor board, 9 times out of 10 the value is close enough that the circuit just dosent care.
I almost did that.

T
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Old 09-16-2020, 06:50 PM   #7
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Default Re: UN65HU9000 T-con

Quote:
Originally Posted by budm View Post
What is the P/N of that ICD3?
i should be the same capacitance of the cap used on the left side of the board where it is connected to the same type of 6-pin IC on the left side..
Great thinking. I will look.

T
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Old 09-16-2020, 06:56 PM   #8
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Default Re: UN65HU9000 T-con

The part numbers on the left are all the same less the 30. so CD3011 should be the same as CD11. I will see if I can get it off without killing it.

T

Last edited by tonebells; 09-16-2020 at 06:59 PM..
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Old 09-16-2020, 08:20 PM   #9
mmartell
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Default Re: UN65HU9000 T-con

Does the tcon work without the cap ? You may have other problems beside it.
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Old 09-17-2020, 04:26 AM   #10
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Default Re: UN65HU9000 T-con

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Originally Posted by mmartell View Post
Does the tcon work without the cap ? You may have other problems beside it.
I have not tried it yet. I was going to hook it up to my bench supply and see if it has any other shorts. I have a replacement on the way. I like to try and fix things like this to learn.

T
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Old 09-17-2020, 05:07 PM   #11
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Default Re: UN65HU9000 T-con

I was able to hookup 12 volts to the board and nothing over heated. I have a new hot air station coming. I will see if I can find out what value CD3011 is.


T
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Old 09-18-2020, 02:49 PM   #12
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Default Re: UN65HU9000 T-con

It is a 10uƒ. With 12 volts applied the current is even lower then before I replaced it.

T
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Old 09-20-2020, 11:58 AM   #13
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Default Re: UN65HU9000 T-con

That has done the trick. It is working. I will let it run for eight hours tomorrow with the cove on to see how it goes.

T
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Old 09-20-2020, 03:37 PM   #14
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Default Re: UN65HU9000 T-con

Thanks for the follow-up.
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