Re: Samsung LE32C450E1W don't start
I have at home 2 power supplies a 13.2V and a 5V, if I use it to supply the main board, could it works?
I will keep the PSU only for the 24V.
So it is works like this it would means that the PSU is not working properly.
claudegu
Member
Last Activity: 05-27-2014, 01:59 PM
Joined: 04-25-2014
Location: nashville
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Re: Samsung LE32C450E1W don't start
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Re: Samsung LE32C450E1W don't start
Still no idea????Leave a comment:
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Re: Samsung LE32C450E1W don't start
Any idea ?Leave a comment:
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Re: Samsung LE32C450E1W don't start
Thanks for the reply.
As the backlight light on, I think the 24V is OK.
It seems that my problem is on the main board, but wich methodology to find a failure on a such board?Leave a comment:
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Re: Samsung LE32C450E1W don't start
I have put also a 21W 12V as dummy load for the 5V, the Amp is about 1A and the 5.26V fall to 4.86V
With the 2 loads, one on 13V, the other on 5V, same results, the supply board seems to be OK.
As soon is have the main board plugged to the supply board and I 'turn on', the 12V and 5V go down and up and down every 3 or 4 seconds.
If someone has an idea...I will be very happy!Leave a comment:
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Re: Samsung LE32C450E1W don't start
Here a the results:
With backlight on (supply board not plugged to main board), I think the 24V is OK
When I put a 21W 12V lightbulb on the 13V output, the 12.3V fall to 11.6V. is it OK ?
About the 5 V, I have no load to test it, how may I do this?Leave a comment:
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Re: Samsung LE32C450E1W don't start
I'm still here
Just not enough time for the test with dummy load, will do it tomorrow !Leave a comment:
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Re: Samsung LE32C450E1W don't start
Please, open a new thread, otherwise, it will be difficult to know which answer is for which question.Leave a comment:
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Re: Samsung LE32C450E1W don't start
Tomm66 : yes, it is what I have done. But I wonder if it was the good procedure, may be I have to put "dummy" loads like car light bulbs to really knows what happend?
Martino: I really appreciate any help and as you may notice, I'm allready a bit confused
In fact I should have read all posts about this kind of failure before posting. I learn a lot these last days and I'm happy about that.Leave a comment:
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Re: Samsung LE32C450E1W don't start
Martino, yes I have an electronic hobby store, I will go there.
Tom66, have you an other idea to help me?Leave a comment:
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Re: Samsung LE32C450E1W don't start
Martino,
Is this one Ok ?...Leave a comment:
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Re: Samsung LE32C450E1W don't start
Martino :
my load check isn't valid?
OK, I will put back the CM808 and replace the CM801, but I have to get one.
Thanks for your helpLeave a comment:
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Re: Samsung LE32C450E1W don't start
About the CM808, I have removed it, just in case, but nothing happend.
STJ: I will do that, but when I plug a 13V and 5V supply on the main board, my supply says: 400mA for the 13V and about 200mA for the 5V so I thought there was no shortage.
But is it enough to provide 13V and 5V to the main board to get it "on" ?Leave a comment:
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Re: Samsung LE32C450E1W don't start
Martino : OK I found it, it is a CMS under the board, just at the output of an opto.
TOM66: what should I do for the main board, is there some points to test ?
Thanks for your helpLeave a comment:
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Re: Samsung LE32C450E1W don't start
Hello Martino, thanks for your reply.
I had a look and find no CM808, I found a
CP808 22uF 50V is it that one?
My supply board is a CN07BN44-00338ASELeave a comment:
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Re: Samsung LE32C450E1W don't start
Thank you for the reply.
About the main board, what should I test ?Leave a comment:
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Re: Samsung LE32C450E1W don't start
I still need help
Leave a comment:
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Samsung LE32C450E1W don't start
Hello and sorry for my english, I'm french.
When I plug my tv, the red light goes on, then if I use the remote to start the TV, nothing happend.
The power card is a BN44-00338a
Without the Main board plugged, the backlight goes on
And I have these values:
On the CN802:
1/3/5 : 12,1V
7/9 : 0V
11/13/15/17 : 12,2V
2 : 0V
4/6/8 : 0v,
10/12 : 0V
14/16 : 5,2V
18 : 0,8V
CN803:
1/2/3 0V
4 : 1,2V
5/6/7/8/9 : 0V
10/11/12/13/14... -
Re: New Members - please post your introductions here
Hello from France!
I have read some posts on this forum and as I have some problem with my LCD Samsung, I come in!!!
I have some skills in electronics, but I don't know the TV electronics, more the "arduino" and other boards like this.Leave a comment:
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