I have an old, but works beautifully RCA Home Theatre TV. My problem is that the tuner ( where the F1 connector goes in) seems to cause the picture to distort wildly at a moments notice until I push the TV or giggle the cable to tuner connection. What do you think? Do I need a new tuner? is the soldering gone? or is the TV done??
Hate to part with it, beautiful picture, when working - RCA Home Theatre - 35" - (No PIP)
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On most sets the tuner has to be removed for this to be done-a new fitting or a new tuner can be installed.
If the set has the standard RCA audio and video jacks for input you can hook a cable box or even an old VCR to those and BYPASS the coax fitting--hook up to those inputs--select them on the set and leave set on that input and change channels with the box or VCR.
Much cheaper than replacing the fitting and gives a better picture.
Yes...if you can remove the board from the TV safely. You will have to unsolder the tuner. Then remove the sides of the tuner to inspect the damage. You will need to replace the RF connector with an RCA part #215543. On another note, find an old TV repair shop and see if they can salvage a tuner from an identical TV. This is actually faster and easier to repair. Note this, just replace the tuner, not the main board. The salvaged unit may not be serviceable. Thanks for asking and show all hands of support!
With most tv's I've serviced, the cable connector is connected directly to the tuner module. The tuner module may be damaged beyond repair, depending upon how much physical force was applied to the cable connector. I would take it to a reputable repair shop and let them provide you a honest estimate of repair. They may be able to resolder the cable connector to the tuner module.
You need to remove the tuner from the main circuit board, resolder the cable connector to the metal tuner case, and resolder the connection inside the tuner from the connector center tab to the tuner circuit board.
Removing the tuner requires "solder wick," a copper braid that soaks up the solder as it melts so it can be freed from the board.
Resoldering the connector to the tuner case requires high heat from a soldering gun to get it hot enough fast enough to make the connection. A regular soldering iron won't do the trick.
If the connector has been broken off completely, replacements are available from a couple of on-line vendors (I use a company call MCM Electronics www.mcminone.com.)
If you are not comfortable with electronic soldering and working on TV's, you might want to get an estimate from a shop for this repair. It should be under $100, depending on the shop's rate.
Replacing the "F" connector is usually all that's needed unless the tuner board is cracked. You could remove the tuner - send it in for repair and re-install it... It would clearly save a few bucks!
Any shop should be able to do that one easy enough... Around here we charge $40.00 including the part to replace the "F" connector and there are shops that charge even less...
Hi, some of those units have whats called a "RF cable" running from the back of the set to the tuner, and some are directly spot welded to the tuner, you need to remove the back from your set and see if yours is a short cable to the tuner, otherwise you have to replace the whole tuner, check the back of your set and you`ll see on a sticker the complete model number, (few numbers or letters after F32665) this is referred to as the service model number and I can look up exactly what you need to change
You have diagnossed the problem by moving the antenna imput,the problem might be a loose conection in the tuner itself,the grounds ussually get loose and need to be resoldered,if you are familiar with tv service you can resolder all the pins and grounds,there is another possibilty and that is the conector itself where the antenna screws is loose and it has broken the solder conection inside the tuner and the will have to be taken apart and resolder,the conector has to be solid .You have an option and is using the aux,1 or 2 and coneting you vcr to either one those imputs then you will need to change the channels thru the vcr,this way you will not have to worry about the tuner.Let Us know how it goes or if you need more information.