Question about SVA-USA HD4208TIII-PDP 42 in. EDTV-Ready Plasma Television

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Antenna in connection pulled out of box on bottom

Pushed it back in but bad picture now. is it supposed to be soldered

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Not really a solution but yes it is firmly soldered to the board inside

Posted on Feb 16, 2009


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Indoor home stereo receiver by Optimus. Model Stav-3150 25 years old. Radio connections on back will not stay connected. I can JIGGle the connections on back after 1st loosening the plate they are...

I believe it can be fixed fairly easily. You'll need to find someone who had experience soldering. Don't use a novice for this. They will need to open the receiver up and resolder the connections where the antenna connects just behind where you are pushing to make it work. The wires are probably broken but sitting very close to where they are supposed to be connected. They will have to be stripped a little bit (insulation carefully cut away) to expose the wire conductor inside to reconnect and solder them. Make sure they use Rosen core solder, NOT acid core. Acid core is for plumbing and will eat the connections away. Rosen core solder is for electronics.

Oct 13, 2013 | Audio Players & Recorders

1 Answer

Cannot acquire satellite

Most likely a defective antenna connection. Two ways to fix this. (1) obtain an external "puck" type antenna with an SMA connector and plug it into the back of the Quest. (2) If you feel comfortable soldering small circuit pieces, remove the flip up antenna by placing the quest face down on a table. Remove the right two screws from the back and carefully remove the end cap holding the flip up antenna in place. Be careful removing the antenna endcap because there is a small plastic piece and a spring that can easily fly out and get lost. Gently pull the antenna to the right, away from the GPS, removing it completely.
Take a small flat blade jewelers screwdriver, pry the pieces of the antenna shell apart exposing the antenna circuit board. There is a small gold colored antenna connector on the left side of the circuit board. Very lightly apply a very small amount of heat to the solder connections. Just barely enough to melt the solder. Reassemble the antenna and then the antenna to the Quest, making certain to include the small plastic piece and spring and then tighten the endcap and screws in place.

I have repaired quite a few Quest units with this procedure and have had only 1 that did not work afterwards and that was because the antenna itself was bad.

Sep 11, 2011 | Garmin Quest GPS Receiver

2 Answers

No picture but with sound

There are three things you should try. If you can safely pull the back cover out safely, do so. First thing to look for,is the suction cup attached to the picture tube securely? Be sure that it is. Make sure the TV is not plugged in, when you check for a good ground to the Tube (suction Cup). Then plug the TV in and power up. Still no pic? If you feel that this is not the problem, next, pull the board out of the TV. Be sure to discharge the picture tube before you remove the suction cup. Unplug the TV. A wire taped to a flat screwdriver, the other end of the wire connected to the silver braid that surrounds the picture tube. Now slip the screwdriver under the suction cup, you will hear a snap, you have discharged the tube, you may remove the suction cup. And you may pull the board completely out of the TV. Find the vertical IC and resolder the 7 or 9 pins. Do not use excess solder and short the pins together. Each pin must soldered individually and not together. Check for bad solder grounds on the horizontal transformer. This transformer is usually a small square box with five or six pins. When not soldered with a good ground, it will crate the problem you describe. Next, solder the pins on the Flyback Transformer. Resolder any and all power resistors. A power resistor is one of two watts or more. I do not believe your horizontal transistor is bad in this case, you resolder this as well. A bat transistor would hand you a dead TV. Do go over the rest of the board and really look close for any and all bad solder grounds, solder as necessary. Last be sure you have good solder grounds on the back of the small board that connects to the picture tube. I'm sure you will get your picture back, try all of the above and let me know how things go. Thanks for asking and show all hands of support!

Jun 23, 2011 | Sharp 27R-S50 27" TV

1 Answer

Quest 2 searching for satellites message stays on

The problem is most likely a defective antenna. If you are comfortable with soldering on a circuit board you can try what I am going to suggest. If not, you will have to send it off.
I have repaired several Garmin Quest units that exhibited the same problem as you describe.
You will need a light duty soldering iron, solder, a small phillips head screwdriver, and a small flatblade screwdriver. With the GPS sitting on front of you, face down and the antenna pivot hinge away from you, CAREFULLY remove the two right phillips head screws from the RIGHT side back. This is the antenna retaining piece. BE CAREFUL as you do this, as there is a small plastic pin with a spring behind it that can pop out and easily become lost. Once the antenna retainer has been removed, gently pull the antenna to the right AWAY from the GPS unit. It should pop off easily. Take the small flatblade screwdriver and gently insert it between the bottom portion of the antenna case and the top portion. There is a small seam on the bottom of the antenna where you can get the screwdriver blade inserted. GENTLY pry the top portion of the antenna case off. This will reveal the point where the antenna connector attaches to the circuit board by solder. If the antenna connector is loose, CAREFULLY solder it back in place, reverse the process in assembling the antenna, and the antenna to the GPS and finally the antenna retaining piece. Don't forget the small plastic piece and the spring. Again, if you are not comfortable with detailed disassembly or detailed soldering, have someone do it that has the necessary tools and skill.

Dec 10, 2010 | Garmin Quest GPS Receiver

1 Answer

My Toshiba model number 51H83 has picture but no sound. I put a dvd in and the sound worked but when I went back to TV no sound. I dusted the back of my tv yesterday and since then have had no sound. Tv is...

Are you using the rf antenna input for TV or 1 of the VIDEO inputs from a cable box or sat receiver. If the latter check to see if you unplugged the audio fron the box White and red wires from box. If thats ok Plug that dvd player into that input using the cabes from the dvd player .If you now have sound change ables from box. if still no sound cable box bad. If still no sound from that input check for solder connection on input jacks. If antenna input is used replace the tunner intv.

Mar 25, 2010 | Toshiba 51H83 51" Rear Projection...

1 Answer

Roady XT "Antenna" problem

one of 3 things, either your antenna is not insight of a skies view to receive the signal, or its wire is broken at the antenna, but if you remove the antenna connection frequently it pulls the center wire out of the connection on the end that fits into the radio when its plugged in push on the conductor at the back of the plug and see if this helps,alos if connection is loose take a safety pin and carefully between the outer plug case ans the ground fingers around the center pin push these in so you get a better ground, and lastly try another substitute antenna, I have re-soldered my connections numerous times to fix this issue, delphi doesn't make a very rugged product, good luck

Nov 17, 2009 | Delphi Roady XT XM Radio Receiver

1 Answer

How and where do the monitor wires connect to the motherboard

The two wires suppose to be the antenna's cable as 1 for Main, another Aux. The wire supposed to be attached to your wireless card, which normally situated at the bottom of the laptop. Check for any track, or hole with let the cable to be link until the wireless card.

here's some picture for your to understand,



Dont forget to rank my solution... Thanks

Jan 10, 2009 | Acer Extensa Laptop

1 Answer

TV problem

Bad solder connect inside tuner = un- solder tuner from
PC board and solder bad connect or replace tuner with new..
I.F. block next to tuner should be soldered,also.......T.

Dec 08, 2007 | Sony KV-13TR28 13" TV

1 Answer

Sound is fine, but no picture

could be a bad solder connection or maybe the CRT socket has come off slightly. I lean more to a bad solder connection at the flyback area screen G2

Dec 14, 2006 | RCA F36650 36" TV

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