Question about Panasonic TH-42PX60U Television
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Posted on Jan 02, 2017
Power board short and bad capacitor blown, capacitors usually pop because of shorted or open rectifiers and linear devices that warp inside. This happens due to excessive heat exposure from the current draw. Bad diodes and FET's are usually the root cause as to why capacitors bulge then eventually pop. This means the the x-y sustain boards are not getting their supply voltage resulting a no picture....
The red light flashes an error code for a technician to read, the tv is in protection mode to prevent further damage. Get it serviced at your local repair center or take it back if its under warranty.....
Posted on Nov 04, 2009
Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
hope this helps...
Posted on Jul 02, 2010
Sounds like it could be a power supply problem I would check power supply for bad capacitors. look for bulging on the top of the caps and replace with same values.
Posted on Oct 07, 2010
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I recently repaired this exact TV that sounds like the exact problem. First you can take the back off and unplug everything from the Inverter board. Then try to power on the TV and if the green light comes on, and stays on, then you know the problem is in the inverter board. My problem was in the inverter and I found Q1500 (N Channel MOSFET) shorted Gate, Drain, and Source together. It's a simple part to replace but a difficult part to find. If you need help finding the part, I can direct you to the place I got mine for $3 and $8 shipping. Just for safe measure I also replaced Q1550 that is the same exact part on that board.
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