Question about Televison & Video
Inverter FSP 139-3F01 I need schema
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Protron PLTV-3250 fried
A possible solution would be to obtain a schematic for the power supply. If we're technicians, this should work out for most of us.
Keyword on schematics....OBTAIN! John
Posted on Jul 24, 2008
My Protron PLTV - 3250 just went out yesterday. By this I mean it turned on and went out in a few minutes. I left it off and today it completely died. I opened it up because I always think I can repair things. So what I found is a burn mark on the curcuit board of the power supply which is located inside the tv. On the other side of the burn mark is a (zener diode), this diode is burned out and therefore the power supply is not working. I am going to Radio Shack tomorrow Monday Aug. 31, 2009. The diode is very tiny but should be easy to replace with a sauder gun because this diode has place holders to hold the tiny diode in. If this does not work at the top of this page is a link that says power supplies for your tv for sale. I am going to check it out. Anyway just so you all who know about computers= the tv power supply is similar to the power supply on a computer. Just like a computer power supply comes in a case that you install into your computer and then you just connect the connectors to your motherboard and drives. Well in the tv the power supply is stand alone also, you can disconnect the wire connections in the tv and replace the power supply. If you notice the power cable to your tv is the same as a computer power cable, so the power supply in the tv is much the same as a computer power supply. I hope this helps you.
Posted on Aug 31, 2009
no it is your power supply it may have primary power but if you look closely you will see several puffed up capacitors these blow because of the fet near by let go and is not avail you can get a new supply for about 60 bucks from ramplus.com get the fsp number off the supply ex fsp-194
Posted on Sep 18, 2009
SOURCE: My tv just died no power
Hello Bkobert, hi, before going through the set, kindly check first the following.
1. Check your mains AC line.
2. Check your TV plug cable, they may be loose.
3. Also check if the plug has a user fuse.
If ok, then there is a problem with your TV's switching power supply, a fuse on the board may be open, or loose wiring inside.
The symptoms may go to the extreme, like a faulty switching regulator section, which include the power transistor, IC regulatorm dried up capacitors, and low value resistor.
You may also choose to replace the entire board. thats all. keep me posted
Posted on Mar 02, 2010
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