Question about RCA F27440 27" TV

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TV picture problems

My television occasinally losses picture.this is not quite frequent but suddenly the picture fades in and all of asudden the whole screen turns blank,but the audio is not affected.on waiting for some minutes the picture will begin to come back again,but some time on hitting the TV the picture will come back.i need urgent help!An email can be sent to me"".

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Re: TV picture problems

This modle has a bad solder connection near the horizontal o/p transistor that causes the picture to fade in & out.the bad solder connection is on a small coil. the coil winding is typically red. looking at the back of the tv, the flyback has the rid wire going to the top of the tube, the horizontal o/p transistor is to the left & in font of the flyback, it's attached to an aluminum heatsink. directly in font of this heatsink is the coiul you are looking for, it should have a location id of L14XXX or L4XXX if I remember corectly. good luck.

Posted on Dec 08, 2006

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TV picture randomly fades to black. Bang on sides and pix comes back for few monents b4 fading out again. TV works great except for this one little problem---no picture.

You have an aging TV with a very common problem . The board inside by now has many bad solder grounds. The grounds would inculde resoldering the vertical IC chip. It is located on a large heatsink. And check solder grounds on the horizontal output transistor also mounted on a heatsink. The horizontal transformer is another suspect, resolder this. Check for grounds on large resistors and the flyback transformer. Also make sure there is a good connection on the suction cup that is mounted on the back of the picture tube. Please be careful when checking the connection on the suction cup..quite a powerful shock. Also be sure you have good solder grounds on the small board that is connected to the picture tube. This should restore the video on your TV. Be very careful and good luck. Thanks for asking and show a few hands of support.

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