Re: Samsung UE40D6530, fuzzy image after a few minutes, then relay switching
Got a new 24MHz crystal in today, and indeed, everything works!
Thanks to everyone for helping out! The freeze spray tip was new to me, this is great when you can't easily take the board out and use alcohol, and also, in this case it probably wouldn't have worked.
Soldering the crystal with a regular soldering iron was a bit difficult as shown in the picture, should have used my hot air gun (would have saved the pads under the crystal... ).
Tim...
Thank you to the guys at HEGE supporting Badcaps [ HEGE ] [ HEGE DEX Chart ]
Announcement
Collapse
No announcement yet.
User Profile
Collapse
-
Re: Samsung UE40D6530, fuzzy image after a few minutes, then relay switching
Got the freeze spray in today. After some testing the tv indeed turns on again!
After a while we found that the problem seems to arise in the spot attached below, or at least in close proximity. A little spray: backlight, then it turns off after a few seconds (up to 10s). Checked all the caps closeby, but no shorts.
To make sure it wasn't a bad connection I resolderded the crystal, caps and resistor. After this the tv turned on for 30 minutes, weird!
Then the audio...
Leave a comment:
-
Re: Samsung UE40D6530, fuzzy image after a few minutes, then relay switching
I'll do a double check, though the device seems very clean (no dust etc), I've also reconnected all cables.
The black area is where I mentioned I connected my ground probe on my oscilloscope .
Thanks for the info! I've ordered some freeze spray and will try this tomorrow, I'll keep you posted....
Leave a comment:
-
Samsung UE40D6530, fuzzy image after a few minutes, then relay switching
Hello to everyone here!
I've learnt a lot while searching this forum for a few devices before, but unfortunately I've now got a problem I really can't find any info on.
Recently, I got a Samsung UE40D6530 that has an interesting issue:
After being turned off for an hour or so, it turns on, [U]displays a picture properly for between 5-20 minutes. Then the picture becomes distorted, starts flickering, turns to black and then the infamous relay clicking starts.[/U] Power cycling the device leads to more black screen and relay clicking.
...
No activity results to display
Show More
Leave a comment: