Question about Sylvania 6842PE 42 in. HD-Ready Plasma Television
I had a capacitor & a diode go out on the main board. I have no Idea what the specks for the capacitor is. The writing on the capacitor is gone, that side blew out, and I can't find any diodes that match. The diode is in the D2250 slot on the board and the capacitor is in the c2250 slot. There are other capacitors on the board that look very similiar and they are a 221k 2kv capacitor but I'm not positive that they are the same. Any help would be greatly appreciated.
I had the same problem. My nephew gave me this set after it quit working at the Gym where his wife was working. They were going to junk it but I asked if I could try and fix it.
The capacitor C2250 was definately blown and easy to spot so I did some searching and found a replacement from an online electronics supplier that didn't require me to buy 200+ as Digitech wanted. Anyway I replaced the Cap and it still didn't work so I started looking and testing components again and found that the Diode D2250 was bad so replaced it as well and now the set works fine. Maybe this is what is wrong with your's and others as well.
It made sense for me to check the diode as it is right next to the cap that blew. https://www.mouser.com for the Cap and http://www.slelectronics.net/ for the Diode.
The specs for the Cap/ CERAMIC CAP. B K 1500pF/1KV
The specs for the Diode/ SCHOTTKY BARRIER DIODE YG123S15
Hope this helps
Posted on Oct 10, 2008
I know this is very late, but my 2005 Sylvania "6842PF M" just made a loud pop /with smell of burnt electronics when I hit the power switch the other day. The capacitor in slot c2250 is a 152K / 1KV which translates to a 1.5nf Ceramic dic @ 10% tolerance at 1 kilovolt max . The diode in slot d2250 is YG123S15 Fast Recovery Diode. My cap blew out the side leaving the #'s intact. It blew out onto the diode, pitting and blackening the heatsink that it is attached to. My digital multi-meter shows the diode to still be working in its Diode mode, but I am not going to take a chance, and biased on other posts, going to replace both. I have found both parts on the WEB, and am looking for a single vendor solution.
Posted on May 14, 2010
I am just getting started repairing my 6842THG.
I'll check those slots for the values.
Posted on Aug 29, 2008
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Posted on Jan 02, 2017
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A diode is an electronic component that
readily passes current in one direction only and blocks the flow of
current in the opposing direction. If your microwave's diode has become
defective, your microwave will not heat and you will hear a buzzing
noise. Test the diode to determine if this is the cause of your problem.
Replace it if it is defective.
A capacitor is an electrical device
which stores electricity. A defective capacitor may be why your
microwave is not heating but you are hearing a buzzing or humming noise.
The capacitor will have to be tested to determine if this is the cause
of your problem. A defective capacitor will have to be replaced before
your microwave will work again. Make sure you discharge the capacitor before you test it, though.
A defective magnetron is the third
possible cause of why your microwave is not heating, but you can hear a
buzzing noise. Test your microwave's magnetron. Replace it if it is
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