Question about RCA F36450 36" TV

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RCA F36450 TV is intermittently snowy

This tv is about 5 years old and recently developed snow. Thought it was the cable box or connections but all seem okay. Also tried different video inputs to the set and am still getting intermittent snow even with a different device than the cable box. By intermittent, I mean the picture goes clear for a few seconds and then gets "spots" of granularity that are big enough to call snow in my mind. It's not over the entire picture either but seems to move to different spots on the screen.

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Anonymous

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Your tuner assembly has a bad connection inside of itself, or there is a bad connection around the tuner assy. if this is an ATC113 chassis Good Luck

Posted on Mar 21, 2007

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Connected the coaxial cable to the tv but got no channels. the tv turns on but all I have is snow

Some possible things to check:

1. Are you trying to receive off-the-air broadcasting? If so, you'll need a digital converter box. This set doesn't have a digital tuner, so there won't be any channels for it to receive without the converter.

2. Are you connecting a cable from a cable converter box, satellite receiver or FiOS set-top box? Your TV will need to be set to channel 3 or 4 to see the signal from the device.

3. Make sure the center wire in the plug on the end of the cable isn't bent over, and that it extends far enough (about 1/8 to 1/4-inch) to make a good connection.

4. Do you know for sure that the cable you are connecting is working? Is there actually a signal on the cable? It may be disconnected somewhere else (at a splitter, for instance) or there may not be any signal source.

5. Have you tried another TV to test the cable? If the cable works with another set, the tuner or antenna connector on the snowy set may be bad. If the cable connector is tightened too much when hooking it to the TV, the connector may be damaged and this can cause the snow.

Start by checking with a known good TV. If that one is snowy, you can check the other possibilities. If it works, you'll know the problem is in your set and can decide what to do (repair or replace).

Hope this helps! Thanks for using Fixya.
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Could it be vertical IC loose connection. It is sometimes connected with correct tuning. Check it for crack or wiggling connection best is to resolder.


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Hi,

Any developments with the snowy Channel 3?

Good luck and thank you for using FixYa.
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The remote control may only work for the cable box and you may have to manually put the TV on the correct input channel also you might double check that the cable to the TV is hooked to the antenna input. Here is the website for the manual TV if you think it might help.

http://tv.rca.com/RCATV/Assets/pdfs/27F520T_1641312E_IB_e-06.pdf
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you have cable and the stations are still snowy? could be tuner do you have a box or directly hooked up to tv, try unhooking box if you have one and directly hook it up to tv if you havent already done so
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Bad primary tuner==can be replaced,or==by-pass by using video inputs.
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If you are on cable, first run the cable wire from the wall directly to the TV, eliminating any cable box and/or VCR. If channel 2 is snowy but the rest (especially 3-6) are clear, it is most certainly a cable problem and not a TV problem. The TV uses the exact same circuits for channel 2 to 6 (VHF-LOW) so if the tuner was bad and 2 was snowy, 3, 4, 5 and 6 would be snowy too. Bring a second TV into that room, disconnect the cable wire from the RCA and connect it to the second TV. Is channel 2 on the second TV as snowy as it was on the RCA?
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RCA F27650 27" TV - Snow Bursts

The model you listed, F27650 uses the new ATC113 series chassis, which is only about 3 years old. The ATC113 chassis is not known to have snowy issues, but if yours is then I would suspect that a solder joint is loose in the tuner. If your set is actually around 9 years old, then it might perhaps have the notorious CTC175 - CTC187 series chassis, which went snowy all the time due to cracked solder joints on the shield grounds around the tuner and microprocessor. In either case, some good quality resoldering should cure your trouble. If you have never done fine solder work on PC boards with small surface-mount parts, allow a qualified tech to handle it for you.
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