Question about Philips 27PT5445 27" TV

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No sound There is no sound only video output when the TV is switched on.

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Replace the eprom with program replace audio out put ic check powwer of ic

Posted on Sep 23, 2008

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Sony tv black screen


Repairing a TV set is actually a skilled work. If you're not sound in electronics, make sure, that you can't do it; especially to Sony sets. If the set switches ON; with audio output OK, and there is no Video, surely the fault should be with its horizontal scan output section circuit. Check that circuit for fault. To get more details, http://electronicshelponline.blogspot.com/

Nov 22, 2013 | Sony FD Trinitron WEGA KV-24FS100 24" TV

1 Answer

Rca tv has sound no picture


Check its line output transofrmer [LOT] and related components. Replace them

Apr 22, 2012 | RCA Televison & Video

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I am attaching a digital set top box to this TV Model C21F200 and have a video/dvd player to attach as well. I can't seem to get both working. Can I tune the video to the TV with the set top box attached?


If your TV has AV inputs available, you can connect the video player there and switch to that input to watch it. I don't think your model does, though; I think it has only an antenna input connector. This means your set-top box will connect there but you have no place to connect the video player. In fact, most new video players only have AV outputs, and don't have an RF (radio frequency - a channel 3 or 4 TV signal) output connector, and you'd have problems connecting it anyway.

All is not lost, although you'll need some extra parts to hook everything up. I'm assuming the set-top box (STB) is going to your TV on channel 3 or 4, using a cable from the box to the TV antenna connector. If your video player does indeed have an RF output, the simple thing to do is get a splitter. They look like this:

pgh_pa_guy_13.jpg

Normally, a splitter is used to break one input signal (into the single connector) into two outputs (the connectors on the other side). But you can also use one backwards to combine two sources. So you can connect the RF cable from the STB to one output jack, connect the video player RF cable to the other, and connect the "input" side of the splitter to your TV antenna jack. If your STB is set for channel 3 output, set the video player for channel 4 so they won't interfere. Then you can tune the TV to channel 3 for TV signals from your STB, and to channel 4 for videos. I know, it sounds confusing.

If your video player doesn't have RF output, but just video and audio outputs, you need an RF converter. This device takes the AV output from the player and generates a channel 3 or 4 RF signal the TV can tune in. A typical converter looks like this:

pgh_pa_guy_14.jpg
Connect the AV outputs from the player to the jacks on the converter. The output cable from the STB will go to one of the round antenna connectors on the right, and the cable from the other one goes to your TV. When you aren't playing a DVD or tape, the converter passes the signal from the STB through to the TV. When you turn on the video player, the converter switches and you'll see the picture from the player. Most converters switch automatically, but on some you might have to flip a switch. RF converters are available from retailers who sell TVs or online.

I'm sorry if this seems unnecessarily complicated, but most TV sets today have plenty of inputs for all these things, and usually you just plug in the connecting cables and go. But with older sets or sets that don't offer the inputs, you need to go through these shenanigans. But once you have the parts hooked up, it's not too bad.

Hope this helps, and thanks for using Fixya!

Jan 01, 2011 | Hitachi C21-F200 21" TV

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No sound


Hello
If picture is OK and there is no sound output from your tv, means either its speaker or the Sound output Ic is not working. The case of speaker fault can be easly detected without opening the TV. You just place your ear very near to the speaker side and switch on the TV by AC mains [not with remote control]. You may hear a "thumb" SOUND OR A "HUM" sound from it. If any one is there the internal speaker is working fine. The fault lies in audio output Ic stage. If there is no sound said above, speaker can be suspected. Befor confirming that the speaker is faulty, if your TV has an earphone or headphone jack in front, insert the earphone or headphone socket into it, and check whether there is any sound heard from it. If there is sound from headphone, means that the headphone socket is faulty, it does not bypass the sound to the speaker. When head phone is connected, the connection to the speaker will automatically cut of. When it is pulled out from the socket, the speaker connection will resume. If the changeover switch inside the earphone socket also show this kind of trouble. If the speaker inside is found faulty, unscrew it out of place after opening the TV, go for a same type and number, impedence and shape.
If there comes the above said "HUM" sound from the speaker, surely the Sound Output Ic is faulty. Replacing it will solve the probelm. Before replacing it, check it soldering points for any loose contact. It is best to resolder all suspected point is sound section before replacing the ic.
Note: In modern TVs there will be any trace of sound, without a video signal. Without video, sound is muted. ok.

Nov 07, 2010 | Toshiba CF19H25 TV

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GET SOUND BUT NO CLEAR PICTURE ONLY HORIZONTAL LINES form bottom to middle black blur lines


Video output section of your tv is in trouble. Either it not gets proper voltage [low voltage if voltage is there]; or video output Ic or transistors whichever used may got damaged. Never switch on the tv in this condition; that picture tube may get damaged. Get it repaired soon.

Oct 14, 2010 | Philips Magnavox 20MT133S 20" TV

1 Answer

Toshiba CN36X81 television.. NO Sound... Great Picture. Using the TV2 output of a DISH Network HD receiver... TV2 output is std def, coax output. Using a different TV I get picture and sound... but not...


IF coming in via, the "Dish" networked receiver, please check that this volume is turned way up, on the TV. and then control the the Volume, with the Dish Remote, often this is a problem, as one is turned down, and the other cannot turn that up, simply try syncing the Volume controls, UP on TV, control the Audio with dish remote. thats all i can think of. Check by feeding a signal IN from an AV, source, ie: Yellow, Video, & Red& White, Audio. Turn TV UP and check, IF it responds to this all is well. If NOT then you do indeed have a fault, with the TV.

Mar 27, 2010 | Toshiba CN36X81 TV

1 Answer

I have run the cables to the stero. how do i get the sound output to speakers? is there a switch?


You can ONLY get sound OUT of a TV if it has a Video/Audio "Monitor" port. OR sometimes you can use the "Head/EarPhone port. As a matter of course NO sound is available OUT from a TV. Unless specially adapted.

Mar 11, 2010 | Toshiba 27AF43 27" TV

1 Answer

26MD357B has sound and a white screen


check video plug
if not the plug and problem is there when you are using the tuner in the TV
suspect the video switch IC , Video output transistor, or Video Jungle IC

Jun 26, 2009 | Philips Magnavox 27MS343S 27" TV

1 Answer

Sound Problems with JVC AV-35BP4 TV


The audio output stage for the speakers may have failed in the TV set. If the set has an earphone jack, it is also possible that the jack has a fault (very rare, but I have seen this).

Are there external speaker outputs to try other speakers?

Jerry G.

Apr 29, 2008 | Televison & Video

1 Answer

Tv Screen Problems


as you see green screen with lines through it

lines you are seeing is called retrace lines.

the problem is due to green video output section failure

please check the followings as given

  • supply to green video output & video output itself
  • components in green video output circuit
  • crt base loose.
  • connector loose in video ckt.
  • signal from signal processor to  green video section is absent.

hope this will help.

good luck.

 

Oct 15, 2007 | Televison & Video

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