Question about RCA F27645 27" TV

1 Answer

TV blinks intermittingly

I've had this model TV for 6 six years and have had no problems with it until late January 2006. When I first turn on the TV with the cable universal remote (we have digital TV cable), after about a minute the TV picture blinks pretty quickly and it shows channel number 3 on screen along with the 'stereo' option onscreen. It does this on every channel on our line-up whether it's the usual channel 2-13, 14-28 or any of the cable channels. After 5-10 minutes the blinking stops and the picture and sound is stable (no distortion), although sometimes it will blink once or twice even after the TV has been on for a couple of hours, and sometimes the TV turns off-but not the cable. I have had the cable company over for two service calls-the first time to change out the digital cable box and the 2nd time to check the cable feed line. Both technicians told me that the problem is with the TV because there's nothing wrong with the cable on their end. Both have also told me that unless the blinking really bothered me, it was best to leave it alone until the problem worsens to the point where we need to get a new TV. We have had digital cable for over 4 years with no problems on this TV until this year, and the only change we've made to it's present hookup is the addition of a surge protector for the electrical cords last year. The cable technician also checked the surge protector and said that it wasn't causing the problem. Can you offer any feedback as to what is causing the intermittent blinking? BTW-this model is a console TV.

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  • Janet Barr Jun 17, 2006

    Hello techman-

    Yes, the TV picture and sound briefly disappears when it blinks and there is a black screen-no snow or static. Because the number 3 (cable feed channel) and the stereo appears onscreen after it blinks (for few seconds), it looks like the TV is trying to adjust/lose? the cable signal. When it stops blinking, the picture and sound quality is fine-there's no fuzziness or static. It stays on the channel I tuned in to from the remote during and after it blinks. The only time it doesn't blink is when I click on the On Demand or music menu from the remote.

    Since this started happening in January '06 I have cleaned and reconnected the cables, plugged the main cable line from the wall directly into the TV, took out the surge protector and plugged the electrical cords from the TV and cable box directly into the wall outlet, used the original TV remote to setup the cable channels again, but it still blinks.

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No you didnt answer the most important questions> When the tv"blinks" does the sound go on and off with the picture? Or does the picture go out to a black screen or a grey screen? or does the whole set seem like its shutting off and on again? or does ir seem like the tvs trying to tune in a channel but keeps going past the right frquency? Answer these questions and we can get somewhere.

Posted on Jun 17, 2006

  • Larry  Dillon
    Larry Dillon Jun 25, 2006

    Well Thank you. Your problem is the tuner grounds around the sheilds . This is a common problem and if left unchecked will cause the eeprom to go out. (if it already didnt). Rca has had this problem for some time now. It shouldnt cost ya more then 125 to 150 bucks to have it repaired I would think. Its not a repair for the handiman to do as you have too pull out the entire chassis and need to know all the tuner locations to resoldered.

    Good Luck

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