Question about RCA HD56W66 56" HDTV

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What is the cable box called inside the tv.The input silver box. My son pulled the t.v. away and the cable pulled out of the box. Trying to look up the name in order to buy the part.

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The tuner is located on the ssb board part number 274288.you can buy a tuner from tiptop tuner a lot less expensive.

Posted on Sep 23, 2009

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Vizio 48 flat screen has sound, picture will not come on right away


What cable is being used? Often times there is a few things that could effect the picture and causing flicker. If you are using an HDMI cable, or the hdmi plug on the box or tv, you could have that problem. Because the picture is digital, you don't get the snow and lines we were used to. Because the cables are so stuff, often over time they can stress and pull on the plug and cable. Try a new cable, if that does not work, try another hdmi input on the tv. If that fails then try a new cable, like a component cable or RCA. If none of these work and you still have this issue with the box then most likely it is the tv or the box. Swap out a new source, and start this process all over again. If you get the same result then it is the tv. If it works with the same cables, then it is your box. Att will send you a new box if that is the case. If it is the tv, call Vizio. Warranty or not call them. If you are sure you are out of warranty, play dumb, be vague but nice. Often you can get someone out there still at no cost.

Oct 18, 2012 | Televison & Video

5 Answers

Y Component Cable Related - Internal Static Noise


It sounds like one of those cables has a defective ground. The static noise you are experiencing is cause by the cables not inside the TV. Try using different cables to isolate the problem and get new ones.
Good Luck.

Feb 17, 2008 | Hitachi 42EDT41 42 in. HD-Ready Plasma...

1 Answer

Toshiba cf32h40 started last week the pic would go down to one thin line i would hit it on the side and it would come back ,but now thin line comes back when i hit and then goes away so i took off the back...


that silver box is called TV tuner (see picture ) ............ but in your case that is not the problem ......... after 4 or 5 yrs (depending on usuage ) in some TVs on mainboard & CRT tube's circuit board at some soldering joints cracks develops ... then due to loose contact TV behaves as you have described ........ when you are hitting that lightly on its side then these cracks at soldering joints are getting connected temporarly & for few seconds or minutes you are getting normal picture ....... so solution is most of the soldering joints on mainboard & on CRT circuit board has to be resoldered ....... only good tv service engineer can do this without shorting joints or damaging components..... so that silver box ( TV tuner ) is not the problem because when it gets deffective then you will get picture that comes when tv is switched on ---- usually it will be blue screen ......& also if you connect dvd you will get picture normally ...only thing is that you won't get picture from cable or antenna .............. vishnuswamy_25.jpg

Sep 01, 2011 | Toshiba CF32H40 32" TV

1 Answer

Walter and Barbara Bradford calling back with additional info. The cable box is explorer 4250HDC.It is hooked to the TV with 5 cable hookup.Also there is the power wire and the cable that goes to the box...


what are you trying to do? to hook up the tv you can use the cable output from the charter box into cable input into the tv (meaning cable as in coax cable) otherwise you can use the colored ones. red white an yellow are rca jacks but the 5 wire you talking about are prob compondent cables which are red green and blue. connect those to the tv and the other red and white ones are for audio to the tv you may have to set the charter box to select which output you are using and the tv to the right input for the rca it will prob be input 1 for the component it will be component 1
let me know if thats what you needed

Mar 17, 2011 | Craig CLC501 15 in. TV

4 Answers

My RCA L46WD22 TV turns on but there is no picture or sound, just "unusable signal" message.


This is a very common problem with these models.
The problem is a fuse that has blown, if the following is true:
No Video on any input BUT HDMI and
No Audio at all.
Purchase a fuse, these are freaking tiny from digitalkey.com or mouser.com F1455ct-nd
Pull the back off of your unit
Pull the cover off of the PCB housing. It is the box that contains the hook ups including the cable tuner.
The silver box that you screw the cable to is where you begin to look for this fuse.
About two inches behind this silver box is some numbers printed on the board 7c32 and partially obscured will be 1c33
Using a big magnifier look next to the numbers listed above, you should see a tiny rectangle fuse with an F on it.
This F fuse is a 500ma fuse that is too small for the load
The fuse listed above will have a G on it. It is a 750ma fuse.
Call the repair shops in your area, tell them that you know the problem, have the part and you want to know how much the bench time and labor will be to repair your unit.

Jul 21, 2010 | RCA L46WD22 Television

1 Answer

My tv has no sound through any inputs


This is a very common problem with these models.
The problem is a fuse that has blown, if the following is true:
No Video on any input BUT HDMI and
No Audio at all.
Purchase a fuse, these are freaking tiny from digitalkey.com or mouser.com F1455ct-nd
Pull the back off of your unit
Pull the cover off of the PCB housing. It is the box that contains the hook ups including the cable tuner.
The silver box that you screw the cable to is where you begin to look for this fuse.
About two inches behind this silver box is some numbers printed on the board 7c32 and partially obscured will be 1c33
Using a big magnifier look next to the numbers listed above, you should see a tiny rectangle fuse with an F on it.
This F fuse is a 500ma fuse that is too small for the load
The fuse listed above will have a G on it. It is a 750ma fuse.
Call the repair shops in your area, tell them that you know the problem, have the part and you want to know how much the bench time and labor will be to repair your unit.

May 22, 2010 | RCA L46WD22 Television

1 Answer

No picture on tv


Hi, try to change the input selectection [like input 1 or 2 until you get tv mode whit the remote make sure erverything is connect to the right place/////

hope that will help it should??

Apr 07, 2010 | Philips 20PT6441 20" TV

1 Answer

Hooking up a dvd player


as you say that it is old tv so there is a possibility that there may not be audio video socket where dcd player can be connected. OR You will have to purchase one video RF converter.RF converter contains one video input in yellow color & two audio input in red & white colour & one cable connector as output. Connect the dvd output to this converter & tune tv program in which place you receive dvd signal.

Sep 17, 2007 | Zenith Z25X22S 25" TV

1 Answer

RCA 52" tv. model # D52W20


The silver box is called the TUNER. Call an RCA distributor, such as Union Electronics or Herman-Panson and order it by description by asking for the tuner for your model number. Have the location number on the board, just in case.

Sep 01, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

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