Question about Sharp LC20AV6U 20 in. EDTV-Ready LCD Television

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Hi, I've got a LC20AV6U Sharp LCD Television. The unit worked fine until I was disconnecting the cable F connector and evidently twisted off the RF connector... Is this worthy of repair??? Thanks. Bob

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It isn't worth repairing because there are work arounds. You can check with your local tv repair man to see how much he will charge to solder on an rf connector for you. However you can get a set top box of some sort and connect it to this television with either an RCA cable, component cable, or hdmi cable. If you receive over the air broadcasting you can connect a converter box to this television.

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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Left speaker in my 1998 chevy s10 fades out then dies


What have you tried?
Is this an aftermarket sound system?
It could be a fault in the head unit, the cables or the speaker itself.

Assuming that its and aftermarket head unit using original wires this is what I would do:

Remove the head unit to gain access the wiring behind.
Most units have the wiring colour coded and a generally in pairs for +ve and -ve, some even have them label LR (Left Rear) RR (Right Rear) LF (Left Front) RF (Right Front).

The wires are commonly joined to the existing speaker wires by insulated electrical "connectors" that simply pull apart, though only pull on the connector NOT the wire.

Half-way jobs are just the bared wired "twisted" around the joining wire and wrapped in electrical tape.

Ensure all the connectors are still in tact and

Test after removing each pair of speaker wire to which speaker is disconnected.
When you determine which wire is for which, switch the non-working left speaker over with a working one and test to see if the speaker still fades.

1. If it does not fade then your problem is the head unit - I would replace it.
2. If it does then the problem is in the speaker or the wiring.

Remove the speaker and swap with one of your working speakers.

A. If it still fades then the problem is in your wiring and you will need to run new wires.
B. If it does not fade then the problem is simply your speaker.

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1 Answer

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I think you will find no paper manuals exist and only authorized service centers have access to online info for this brand---a 20 inch set is unlikely if even a few years old to have anything but circuit boards available.

If you comment here with what is wrong I am willing to try to help you.

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