Question about RCA F35673MB 35" TV

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Fuzzy pic. where to get a new tuner??

I had a bad solder joint on the cable imput and i fixed that and now it acts as if the tuner is bad, do i need a new tuner??

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Resolder all the joints who looks cracked.Good luck

Posted on Sep 19, 2008

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Toshiba cf32h40 started last week the pic would go down to one thin line i would hit it on the side and it would come back ,but now thin line comes back when i hit and then goes away so i took off the back...


that silver box is called TV tuner (see picture ) ............ but in your case that is not the problem ......... after 4 or 5 yrs (depending on usuage ) in some TVs on mainboard & CRT tube's circuit board at some soldering joints cracks develops ... then due to loose contact TV behaves as you have described ........ when you are hitting that lightly on its side then these cracks at soldering joints are getting connected temporarly & for few seconds or minutes you are getting normal picture ....... so solution is most of the soldering joints on mainboard & on CRT circuit board has to be resoldered ....... only good tv service engineer can do this without shorting joints or damaging components..... so that silver box ( TV tuner ) is not the problem because when it gets deffective then you will get picture that comes when tv is switched on ---- usually it will be blue screen ......& also if you connect dvd you will get picture normally ...only thing is that you won't get picture from cable or antenna .............. vishnuswamy_25.jpg

Sep 01, 2011 | Toshiba CF32H40 32" TV

1 Answer

I have a Sharp 32" Standard TV ... picture will get fuzzy either due to someone walking by or sometimes if sound coming from tv is vibrating. If we shut tv off and turn it back on it is clear again. The...


Hello: Your problem seems to be in or around the tuner of the television, More then likely you have cold solder joints on the turner that needs to be resoldered. Also check the coax end protruding from the back of the set where u connect the cable and make sure it is not loose, a bad ground on this connector to the turner shield will cause this symptom. My professional diagnostic is that when the television is cold the solder connections are making contact with the board, and as heat builds up in the television while watching these connections tend to seperate and make limited contact, causing fuzzy picture and in most cases no picture just snow...

Sep 06, 2009 | Sharp 32C-240 32" TV

1 Answer

Sony Trinitron - Model KV35S66


The tuners in many Sony sets often develop bad solder connections that can cause this kind of tuning trouble. The tuner can be replaced to fix the problem, and it's also often possible to repair it. To repair the tuner, it needs to be removed from the board in the set, the cover removed, and all the connections from the tuner circuit board to the metal shield can need to be resoldered. The metal can is used as the ground connection for many places on the tuner, and the connections develop cracks and become intermittent or fail completely. When you use the video input, you bypass the tuner so you have the nice clear picture.

This repair should be handled by a technician who's experienced with soldering on small circuit boards. Improperly done, this repair can do more damage to the small, closely-spaced circuit board traces. Many technicians would rather simply replace the tuner than do the repair. Depending on the price of the part and how labor is charged, it may cost the same either way.

May 12, 2009 | Sony Televison & Video

1 Answer

TV comes on when it wants to


If the TV "goes out" meaning that you lose tuning (picture gets very snowy, disappears totally, etc.) but the power stays on and is otherwise normal, the trouble is often because of bad connections inside the tuner.

It is possible to remove the tuner from the circuit board, open it up and resolder the connections that typically go bad. (Usually they are solder joints connecting the ground traces along the edges of the tuner circuit board to the metal box it mounts in, and some other ground points on the board. Often they are visibly cracked.)

To this requires electronic soldering skills and the tools to make the repair. It is possible to do additional damage to parts because of small connections, fragile parts and so on), so this may not be something you want to try as a first project. But if you can do the soldering and are patient, it is possible.

On the other hand, if "going out" means the set suts off completely, there are too many things that might cause this to offer any suggestions for things you might try on your own.

Jan 23, 2009 | Zenith B25A11Z 25" TV

1 Answer

FUZZY TV


Cold solder in the tuner is the most likely cause. If the cable connection is not directly connected to the tuner (goes through an input board) then it's probably bad connections on that board.
Certainly seems to be a problem internal to the TV. If you don't have soldering skills you probably won't be able to fix yourself.

Oct 06, 2008 | Zenith Z32H96R 32" TV

1 Answer

Fuzzy pictue


I sugest replaced the tuner or take the tuner apart and look for cold solder connections and insufficient solder connections.Good luck!

Jun 14, 2008 | Zenith C27A24T 27" TV

1 Answer

Sony tv kv-29F1U


tuner needs replaced or taken apart and cross your fingers soldering joints, use silver solder look hard with magifiers for solder cracks or bad joints and grounds inside tuner.

Jan 18, 2008 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

Picture fuzzy on SONY KP-57WS510


Sounds like bad tuner ( it is soldered in ).
I will research part numbers when i get to work today....T.

Nov 01, 2007 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

Cable channels fuzz out


I think you have a bad connection in the tuner. The tuner is what decides what channel you get. It's a small box inside your tv about the size of a pack of cigarettes. These have been known to develop loose connections or just go bad. Some are pretty expensive depending on the type set you have. Since your set is older and you want it fixed you'd better get an estimae first. Stargazer

Apr 16, 2007 | Sanyo AVM-3659S 36" TV

1 Answer

Bad Cable Input


Try using your RCA imput to see how the picture looks compared to the tuner picture,is possible your tuner imput is bad,make sure the conector is not loose,the overall picture should look different but not fuzzy all over,using a dvd picture thru the aux (rca)imput should show you the difference.If the conector is loose only it could be repaired but if it is solid the tuner might be bad and it will need to be replaced along with any board it might be mounted to.Let us know how it goes or if you need more information.

Oct 17, 2006 | Polaroid FLM-2632 Television

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