Question about RCA F27450 27" TV

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

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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.

Posted on Dec 10, 2008

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Hello, my 25" Magnovox (#mt2501c)


Tv fell off about 3 feets or more?Yes,turn on the tv see if u getting any power to the unit?Might have broken main PCB board too.If unit still have power,check see if tv get statics screen have colors shaded in red or mutiples colors,mean the tv CRT(tv tube) yoke is dead and damages scrambles radiation.Or the tv getting power but have high pitch sqeeling noises or rattles noises,tv have the CRT-(tv tube) is crack by the neck or broken totally.CRT have damages problems or dead tv is worthless,beacause of CRT(tv tube) is dead,not fixable even that antena connector input is replaced.

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My terminal board became loose as a result of moving the tv from one house to another, the cable input is still in tact but when i hook up a dvd player to it and hit tv/video it shows all of the ports as...


you may be able to remove the back cover and see if any connectors are loose or if the board is plugged in(if it plugs in). get a pencil and gently press each of the connectors that have plugs in the to see if they are loose..re-assemble the tv and try it...worse case is circuit board is cracked or solder connections bad

Dec 27, 2010 | Samsung PCK520R TV

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I have a Sharp 32" Standard TV ... picture will get fuzzy either due to someone walking by or sometimes if sound coming from tv is vibrating. If we shut tv off and turn it back on it is clear again. The...


Hello: Your problem seems to be in or around the tuner of the television, More then likely you have cold solder joints on the turner that needs to be resoldered. Also check the coax end protruding from the back of the set where u connect the cable and make sure it is not loose, a bad ground on this connector to the turner shield will cause this symptom. My professional diagnostic is that when the television is cold the solder connections are making contact with the board, and as heat builds up in the television while watching these connections tend to seperate and make limited contact, causing fuzzy picture and in most cases no picture just snow...

Sep 06, 2009 | Sharp 32C-240 32" TV

1 Answer

Sony television


Hello scots_mad.
What model is your Sony and how old is it and has it been moved recently?
It sounds like there is a connector loose or a component not quite making a good connection. I'd recommend finding a reputable TV repair shop. Like finding a good car mechanic, I'd ask around local folks you know.

Sep 18, 2008 | Televison & Video

1 Answer

Sanyo tv making high pitch noise from loose cable connector


The noise is coming from the fly-back transformer. By moving the cable connector you move the main board. Unplug the TV and remove the back. The transformer has a red wire going to a rubber cup at the top of the picture tube. Looking at the transformer you will see a dough nut shape with a metal piece going through it .. Drive some tooth picks between the dough nut and the metal core. That should reduce or stop the ringing.

Apr 21, 2008 | Sanyo DS31520 31" TV

3 Answers

Philips model ptv915 model # 60P8341a


  • sound  off & on is dye to loose contact in sound section
  •  plz check
  • speaker wire or connector loose.
  • speaker defective.
  • loose contact or print loose in sound section.
  • supply to sound section.
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  • hopr this will help
  • good luck.

 

Oct 19, 2007 | Philips Magnavox 27MS343S 27" TV

1 Answer

Tv power up, no picture, then power off all with in 5 seconds


it might be due to

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  • some connector loose in power supply
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  • some capacitor loose in oscilltor section in power supply.
  • if you are not tech. person please take help.
  • hope this will help
  • good luck

Oct 16, 2007 | Sanyo DS27510 27" TV

1 Answer

Color is gone in a sony kv-c2963e trinitron tv


as you say that color came back for 15 minutes then went off. this is a clear indication that there is a loose contact or pcb crack somewhere in color section only. if that happens to be ok then check 1 antena or cable socket loose 2 loose connector in color section 3 print open or crack near chroma signal processor. 4 loose near color control. 5 chroma ic night be defective. if you are not tech person take the help of tech.person.

Oct 01, 2007 | Televison & Video

1 Answer

Sony KV- 32V35 Front Jacks


Yes, the front RCA jacks on the Sony sets always seem to crack loose. I have seen that many, many times. To get to those jacks, you will have to remove the back of the TV and carefully pull out the main chassis, taking care not to pull out any wires or jacks. When the main chassis slides back, there is a smaller board in front of the main board, and the pushbuttons and RCA jacks are on that smaller board. The connectors to that board usually come off when you slide the main chassis back, so you will need to put those jacks back in place when reassembling. Slide the smaller board back, flip it over and resolder the connections on the RCA jacks. Sometimes I find that the copper trace to the center pin of the video (yellow) RCA jack is broken, so test for continuity and solder a small jumper wire to take the place of the cracked copper trace if necessary. Reassembnle the set and your jacks should be working fine.

Aug 31, 2007 | Sony KV-32V35 TV

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