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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The bottom third of the tv is darker than the rest. It is like a light bar burned out. The tv is 3 years old and has had this problem for 6 months now. Can this be fixed?


Hello There,

It looks more like one of the LCD matrix controller connectors got loose or the chip went out for good. I'd open the case to verify for back light on the bottom portion behind the screen; If you see back light, then check for a loose connector in that area, if no loose connectors are apparent, then the matrix controller is bad. You are in for a new TV set.

HDalacarte.com

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Panny TX-22LT2 TV - 8 years old. Suddenly has problem with colours turning 'negative'. Problem is sporadic- 'flashing' in and out-gets worse longer set is turned on.


The problem may be the LCD rinbbon connector out of place or a faulty crt board.
A repairman must open the tv and check it out.
If you really want to DIY (at your risk) all you can do is take it apatrt (disconnect from power for 15 mins or so first), unplug LCD connector and plug it back, also hoover dust inside.

Jul 22, 2008 | Panasonic Televison & Video

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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.

Feb 17, 2011 | Philips Magnavox MT2501C 25" TV

1 Answer

The tv keeps shutting off. Tried resetting and unplugging but it does nothing.


Hello Sir, Hi, The reason why the TV is shutting off, is due to overload. A part or a board inside the TV becomes shorted or maybe foreign objects inside is causing the problem. This may also be caused by a faulty power supply board or loose screws that holds a circuit board. SO have this checked by a technician. If the Power supply board is the reason(usually). A replacement board is necessary. This is no DIY job.

Feb 01, 2011 | Mitsubishi WD-60735 Projection Television

1 Answer

37' lcd sanyo. sound no picture. no backlight. when turned on screen will flash on for a second, power indicator light stays on . Hear electric static sound when screen flashes


Check the lamps connectors on the backlight inverter board make sure they are not loose. You may be ahving failing inverter board itself.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Jul 22, 2010 | Sanyo DP37647 37 in. LCD TV

1 Answer

Where is the main connector for the LCD panel


Most T-CON board is at the middle top center of the screen undet a metal shileld with very small wires and connectors attached to it. Most T-CON failed after warm up due to the heat from the panel and from the power supply, since heat rises, it gets a lot of exposure to the heat.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Send me pictures of the back of the TV if you cannot tell where it is.
budmrtn@aol.com

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1 Answer

Power cord receptacle on radio has disconnected...


replace the connector for the power. Requires desoldering loose connector and soldering new connector not recomended for hte DIY

Jul 25, 2009 | Clarion SIR-CL1 SIRIUS Radio Receiver

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The HDMI connector broke loose from its mounting inside the tv.


It is possible for the HDMI connector to be re-soldered back on. However as the pin connections are small & delicate it is possible that some of the pads on the board may have been damaged, if this is the case then a new board would be required.

Feb 08, 2009 | Philips 52 In. LCD HDTV

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.

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