Question about Insignia 32" 720p Flat-Panel LCD HDTV

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I have a Insignia 32 inch LCD TV Model number NS-LCD32. It recently started displaying no inputs. The backlight comes on but no inputs/ no sound. Green lines display if you press the menu,input, channel and volume buttons. The green lines are only displayed were the menu,input,channel or volume display would normally be on the screen. I took apart the TV and found two 470uF 35V capacitors on the main board to be bad. I replaced them with no luck. I also cleaned and reseated some connections to the TV. Same problem was there after turning the TV back on. Any ideas about anything else that could be faulty? Thanks

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The first troubleshooting step would be to measure all the voltages from the power supply to the other circuits boards specially the 5 volts going to the main board. If you have the following: Insignia 6HA0112010 Power Supply, check FU502 for open conditions.
If all the voltages appear normal, then the main board should be replace since is hard to find individual components for a component level repair.
Let me know if you need further assistance.

Posted on Aug 21, 2010

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