Question about JVC HD-56G886 56" Rear Projection HDTV

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My tuner has quit working. All other inputs work okay. TV is 4 years old. Is is worth repairing? If so, what is neede to fix it?

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Your symptoms sound like the tuner has just stopped working. I have replaced tuners in sets for years and the repair is not the difficult if you have a low wattage soldering iron, I would recommend a 45 watt iron.

I know if may sound simple, but the tuner is a small silver box inside the set on the signal board that is replaced as an entire unit. I usually remove the signal board to remove the tuner and install the new one, just be careful with the circuit board while it is out.

I usually order my parts from Andrews Electronics in California, they will have the OEM components that you will need.
Their site is http://www.andrewselectronics.com/welcome.aspx
And their phone number is a 24-Hour Order Desk: (800) 274-4666
I recommend the phone order so you can talk to a person and get a status on price and availability.

I hope this information allows you to resolve this issue.
If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up)
Please Note: If you cannot rate this post with the highest rating, then please do not leave any rating. I am doing this for free and I do not think that any rating other that the best is needed.
If you need further assistance please comment to this post and I will try to help you further.

Posted on Jul 11, 2009

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Posted on Jan 02, 2017

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Hello!
Your tv has bad solder connections at the tuner and microprocessor or you have a bad eeprom IC...or both. The eeprom IC is to the tv what ram is to your computer...memory. The tuner's RF shield\ground connections and the microprocessor's RF shield connections must be soldered. If the solder job at the tuner/micro has already been done then replace the units eeprom IC and your set will work.
Sounds like not an easy fix ,huh? It's actually very easy if you have any experience soldering. I did about 5 a week for 8 years or so. Every RCA\GE tv made between 1992 and 1996 needed to have their tuners and micro's shielding\grounds re-soldered. There was a class action lawsuit brought against RCA for this.
If your unit made it this long without having this repair done it's amazing...the problem was cracks would appear in the solder ( cheap solder ).
If your unit has had this service done...most had to be carried out when the sets were only 2 to 4 years old... then your sattelite technician recreated the problem just by unscrewing\screwing in the input cable to your set. He broke loose the solder connections again.
If your unit has good solder on the tuner and micro then replacing the eeprom IC will get your unit exorcised!!! Good luck! Please rate my solution...Thank you!

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