Question about JVC AV-27260 27" TV

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Rf jack

The rf jack on the back of my tv has broken off what type of solder iron i need to heat up the plug to solder it back to the tuner

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Re: rf jack

You need an 800 degree soldering iron. It is advisable to tke this to a repair shop. A qualified echnician may bae able to repair the turner without further damaing. It is likely if you try to do this yourself the tuner will be damaged to the pint that it will have to be replaced which will mor than double your repair cost.

Posted on Jul 31, 2007

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A RF amp can only work with the signal it is supplied---and a loose connection could affect only the lower channels---common.

Faint but possible is tuner in set has a problem (2-6 or low band)

Another idea is if you have a/v jacks on the back of the set route the signal into a old vcr and out from its rear AV jacks into the matching in jacks on the set--bypass the TV tuner to see if the tuner in the set is the issue or what....

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guess u mean the antenna in or also called rf. in this case if u are involved in electronics and have a soldering iron u can open the rf converter and solder a rf cable inside and leave it out the original hole and connect a simple plug for connecting to antenna. just ask again here to topic if something is unclear.

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I got a sanyo tv model DS31590 that the cable fitting is broken off i got two more with the same problem how can i fix it without changing the main board at the cost of a new Tv

As long as the tuner that the connector plugs into is not bad/broken then you can re-attach the connector by soldering it to the casing
file or sand both surfaces before soldering and attach a cable to the connector to help dissipate heat while soldering(so the plastic center of connector is not melted) I some times use cold spray (a can of computer duster turned upsidedown) to cool the joint quickly, immeadiatly after soldering.
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1 Answer

Hello the connector on back of my tv came loose how can i diy

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

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1 Answer

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The RF jack is solder directly into the tuner module and as long as it did not break the circuit board inside that it connects to, it can be repaired . Takes a lot of heat though to solder the jack to the frame of the tuner. Sometimes I use 2 irons to get it hot before the plastic guts of the jack melt too bad. Also is sometimes hard to cram the jack back into its mounting hole, may need to file it out some. The makers don't solder these on they are just pressed in and crimped which is why they break off so easily. I recommend using the push on type cables to avoid this problem. Don't forget to solder the center conductor into the tuner board.
Hope Ya Fix It!

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2 Answers


Some parts go through a thermal cycle, cold, hot...inspect the heat sinked parts first. Fire up your soldering iron!

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1 Answer


first off how good are you with a solder iron ? beside the obvious rf connector problem these set's had problems with bad solder connections within the tuner itself. google( sam goldwasser repair faq) for the solder template.

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