Question about Televison & Video
My TV was working perefectly from last three years. At times I can hear Audio clearly. But no picture at all. After trying few options If I keep my TV on for some time small dim light comes. some light comes(very light blue light) but Menu button or Source button or any thing I press nothing appear on screen.. Please advise no Picutre on LED TV. 2010 Samsung Smart TV
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Posted on Jan 02, 2017
SOURCE: tv not work
Well, don't feel alone.
Everyone is having the same problems with many brands of TVs.
Somehow built to fail after warranty. I'm sure it's a power supply related problem. From this link here, there is a Service Manual for the 42PF7320.
Page 27 says error code 7 means 8V6 supply.
I'm thinking it's the power supply for the screen. I can't 100% certain.
Posted on May 08, 2009
Five buck solution; If you have any tek skills at all and are feeling adventurous; UNPLUG THE POWER, remove the back panel; You will be faced with the mainboard. In the lower right quadrant you will see two small capacitors, like tiny yellowish coke cans. If these are bulging, there lies your problem. These must be replaced. If you have no soldering skills, take only the mainboard to a fixit shop and have them solder in the two capacitors easily found on line. No guarantee's but worth a try
Posted on Dec 14, 2009
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