Question about RCA F27650 27" TV

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RCA F27650 32" TV Problem

Our RCA F27650 32" TV was working this afternoon. When we got home this evening and tried to turn it on, the TV would not turn on and the power light blinked green several times then stopped. We also heard a clicking sound each time it blinked. We tried unplugging everything and turning on the TV manually as well as with the remote, but that did not work. The toll free RCA troubleshoot department has been no help either. We would greatly appreciate any assistance on this.

Many thanks,
David

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  • ddw7321 Oct 05, 2008

    Thank you, Shuttle83! I greatly appreciate your thorough response. It sounds like fixing this problem may be expensive. Do you have any idea how much this will cost?

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Hello ddw7321,

This sounds like it could be a malfunction in the High Voltage section of the TV. The shutdown circuit is switching on and preventing the TV from turning on. This might be due to an excessive amount of current flow possibly caused by a shorted turn in the Integrated High Voltage Transformer (IHVT), or a shorted Horizontal Output Transistor (HOT). To test this you will have to unplug the TV set, and with a multimeter set to resistance, measure the resistance from the collector of the HOT to ground, If it reads 0 ohms then that is the problem (a shorted HOT). The next test which is of the IHVT is a little difficult because it requires removing the IHVT and doing a ring test. At this point I would like to suggest that you take the TV to a repair shop, because these next test might be difficult for someone who does not know electronics, and if you have no knowledge of electronics you may do more damage then good.

With that being said:

Remove the HV anode of the IHVT connected to the CRT by first using a large flathead screwdriver connected with a clip lead to the ground of the TV, by sliding the screwdriver under the rubber cap and releasing the clips. Then unsolder the pins on the bottom of the IHVT using a soldering iron and a suction type desoldering pump. when the solder is removed , pull the IHVT from the circuit board. locating the main primary winding connect it to the device that you are using to perform your ring test (I use a Sencore LC-102), when it is connected do the ring test and it should have at least 10 rings to be considered good, any less then 10 and the IHVT is to be considered as bad.

I hope this helps.

Thank you,

Shuttle83

Posted on Oct 04, 2008

  • Henry McKelvey
    Henry McKelvey Oct 06, 2008

    Hello ddw7321

    The cost may be between $100 - $250 including parts and labor, depending on the shop.

    Thank you,

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tv screen is stretched too wide comin back from a week vacation, i turn on my rca f27650 to play xbox and i realize that my screen has been stretched out of proportion! i cannot see sides of the proper picture. i swith it to tv mode and the channels on the top left only show half of the first number! after trying to play around wit the menu settings to see if anything can be done to play wit the parameters! i went on my xbox 360 because i knew that there were settings in there to change screen fittings! what i found as a success (somewhat) was that when i changed the xbox screen format from normal to widescreen, the picture was formatted and actually fit the screen....kind off! the screen was no longer stretched and i was able to see the whole screen. even wit this somewhat succes, unfortunately the corners of the image were warped and appear compressed to fit format! i have tried troubleshooting from online but i have been most disappionted. ~ i have kept it unplug for hours / days to try a reset.fail ~ i have researched on how to acces the service menu for my model so i can adjust it but i seem to be finding only instructios for the generic rca service menu! the steps: hold menu, press release power, press release vol up, release menu i havent been able to get to the service menu at all! i thought that i might have already activated it but the screen jus didnt let me see it so i went and tried to acces this generic service menu on my other rca tv! it was a truflat rca model f20t10 ! similar guidpluss menus and all but i believe a bit newer! even on the rca f20t10 i was still unable to acces any service menus!...if you got any info on how i can fix an fit my screen please please let me know! thanks in advance

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