Re: Belinea BT 10003 (Buzzing) - what change?
So, I think hopefully my last post at this thread:
I did change the last three remaining Caps (330uF) at the VGA-Board and now tested it for two complete days:
It works now like a charme, without any flickering or buzzing as it did before.
So I would say repair acomplished successful thanks to your help, 10 EUR of spare parts and 3-4 hours work.
One last thing, just to be sure:
- After running it for some hours at max brightness, the top of the display becomes quite warm (I guess it is the...
robertg
Member
Last Activity: 09-08-2014, 07:20 AM
Joined: 06-04-2014
Location: Halle (Saale)
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Re: Belinea BT 10003 (Buzzing) - what change?
Now, after making some soldering-spot-improvement, I mounted the display rough-and-ready and gave it a try!
And: [B]It works again great[/B]!!
I can use it with maximal brightness without any noise now.
The flickering at the VGA signal also vanished.
I will change in one week the three remaining caps of the VGA board when I got the replace caps.
[U]Just one thing:[/U] When the display is switched off but still the power cable is plugged-in I can hear a very week peep/noise. Just...Leave a comment:
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Re: Belinea BT 10003 (Buzzing) - what change?
- The tall cap wouldn't fit without touching metal or not making the fixing screws fitting at all
- leads cannot connect metal because of a separate plastic cover in the monitor (but will look how I can shorten)
- I did use additional flux (but maybe it is not the newest ;-) )
- I will reheat with some more flux and will see if I can improve it
- I think I did not touch any neighboring rivets - so it is just cosmetical?
Then - if you don't have any more serious concerns - I can give it a try?Leave a comment:
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Re: Belinea BT 10003 (Buzzing) - what change?
No, not shy. But perfect is just another word for my amateurish results ;-)
At some places I had to try quite long, but finally I think I could fix all contacts properly (at least mechanically all are fixed!).
The snap-in I made with some wire, as well as the 2200uF because it was taller than the defected one.
What do you think?...Leave a comment:
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Re: Belinea BT 10003 (Buzzing) - what change?
Hey Guys,
I have got the replace caps and took the soldering tool.
Now I replaced all caps which I marked in [B][COLOR="Lime"]green[/COLOR][/B].
[SIZE="1"](If I find three more of the 330uF tmrw, I will change also the three missing at the VGA board - otherwise it stays like this.)[/SIZE]
Before I try to switch the display on again after re-mount:
[B][COLOR="Red"]Shall I check anything else??[/COLOR][/B]
Thanks for any further advice and all...Leave a comment:
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Re: Belinea BT 10003 (Buzzing) - what change?
Hey guys, thanks for all your helpful answers.
I placed the order for the caps (all LOW ESR, 5 EUR in total) and will be back next week, when I got it.
After replacing I will tell you which ones I replaced and ask for any further advice before assemble the display again.
For the large one I took [URL="http://www.reichelt.de/index.html?&ACTION=446&LA=0"]this[/URL], hope it is right (although it is "snap-in").
And the cap with the shrink tube at the tip of the biggest:...Last edited by robertg; 06-05-2014, 03:39 PM.Leave a comment:
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Re: Belinea BT 10003 (Buzzing) - what change?
Thanks for your kind answer!
[U]small board:[/U]
- Can I replace the bunch of defected of the small board (330uF/16V) with 330ยต for [B]25V [/B](because of lack at my favorite online shop)?
[U]power supply:[/U]
- Why you would also change the big black (120uF/400V) although it looks not demaged?
- Why the 3 greenish (2x[220uF/25V], 1x[47uF/50V])?
- I identified also a demaged with the black heat shrink tube at the left middle (directly under the question mark in pic2)...Leave a comment:
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Re: Belinea BT 10003 (1925 S1W)
OK, I placed my question [URL="https://www.badcaps.net/forum/showthread.php?p=453245"]here[/URL]! Wait for help ...Re: Belinea BT 10003 (1925 S1W)
OK, I placed my question [URL="https://www.badcaps.net/forum/showthread.php?p=453245"]here[/URL]! Wait for help ...Re: Belinea BT 10003 (1925 S1W)
OK, I placed my question [URL="https://www.badcaps.net/forum/showthread.php?p=453245"]here[/URL]! Wait for help ...Leave a comment:
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Belinea BT 10003 (Buzzing) - what change?
Hey, I have the same display than in [URL="https://www.badcaps.net/forum/showthread.php?t=36705"]this thread[/URL]:
The display works OK (picture is there, just flickers a little bit), but there is disturbing buzzing/noise which gets louder with increasing display brightness + there is a little bit strange smell at the back cooling slits.
I think it comes from the bigger board.
I already teared down and made pics and think that I identified at least 2 bad caps.
Shall I just replace them - or do you think their failure are caused by another... -
Re: Belinea BT 10003 (1925 S1W)
Hey.
I have also a BT10003 Belinea screen got fro free.
It works OK, only there is a buzzing/noise which is louder when I increase brightness. I am quite sure it comes from the bigger board.
I already teared down and made pics and think that I identified some bad caps.
Shall I post pics in this thread or open a new one to ask for your help?
Cheers, RobertLeave a comment:
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