Question about Panasonic PVQ-2510 25 in. Combo
When I turn on the tube, there is a horizontal lit line across the middle of the screen. I was told by a TV repair shop that there's likely a blown capacitor (probably one of two is the culprit). I'm trying to figure out which two capacitors I should be looking at replacing. I could take a picture of the inside of the TV and send it to whoever could definately point the two capacitors out to me.
90% of the time -replace lthe LA7837 vert Ic on heat sink at top of small standup pc board and 100 mfd 35 v cap which connects to the diode just below the vert Ic.(note the polarity of the cap)
( LA7838 is a better replacement for the LA7837
Posted on Jan 21, 2008
I have the exact same problem with my tv, the horizontal line...
logik: were you able to find a solution?
Posted on Jan 13, 2008
Ok the TV repair shop was correct the problem is with out a schematic you won't know which one it is. Let me explain. Even if you send a picture that actually tells a technician nother but the location of two capacitors. What is needed is a part number c13, c67... you get the point and then these can be looked up in a schematic to determine where they are in the circuit. I would suggest getting a schematic and sending an electronic copy to whomever you want to help you with this problem. I would be glad to help you but as a technician of 25 years I can only say that having and providing a schematic would be of a greater help then a picture. Unless yo plan on taking a picture of the whole circuit board and sending the model number and make of your TV to a technician so that they can look at the picture compare it to a schematic that they have (if they have one) and using that determine which capacitor or capcitors have to be replaced. Thank you,
Posted on Sep 18, 2007
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