Hi, i need schematic or just the number on the high voltage board because they completely explode and i cannot read number on Q1 and Q4 ... i replace q1 to q4 with 2n3904 but i still have 1 problem.. q2 come short every time but compressor start ,evaporator fan won't start.. Can you help me to find schematic of this board or number on q1 and q4 please? Thank you
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Hi , You cannot jus change the timer.You need to change the user console and display board fully. Here is the part.Can order online. http://www.repairclinic.com/PartDetail/User-Control-and-Display-Board/35001269/1185581?modelNumber=NED7200TW10
Have you tried googling the model number, funai is no help if you dont have a contract with them. Finding schematics for their powersupplies is hard, a majority of the time its better to just buy another ps because many of the parts they use wont cross to NTE. Are the voltages coming out of the ps just high? If they are one of the boards might be bad, I had a funai tv that had a bad board and was keeping the rest of the tv from powering up so the volatges I was getting were high due to the lower load. Also check for a schematic for that specific panel as funai uses LG panels in their stuff.
If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.
If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.
should be a "mini-manual" (tech sheet) hidden inside the unit behind the
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating components.
our Web site, we have a video available showing how to remove a typical
over the range control panel assembly in under 5 minutes.
You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383
When a microwave is not heating and is making extra noise, it's usually a bad magnetron or high voltage transformer.
But once you've looked over the documentation I pointed you to, let us know if you still have trouble.
The high voltage should be around 29.5 KV and not fuctuate between 20-30 KV that would indicate a high voltage regulation issue then. Are the filaments lighted up in the neck of the CRT? If so then yes you are probably looking at a low voltage issue such as a 12 volt source or a a/v switching IC issue.
You probably have a blown fuse (15A or 20A ceramic type) which may be caused by a blown part in the high voltage section. These are widely available at local stores.
You can find exploded views and parts by entering your full model number here: http://www.geappliances.com/shop/prts/
If the new fuse blows immediately when you hit the START button, you also have a shorted high voltage capacitor.
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