Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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No picture but sound is good. Screen is black

We have sound but no picture. Screen is black. I have unplugged the TV & checked the connections.

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Re: No picture but sound is good. Screen is black

Do you feel static electricity on the screen when you turn it on? If you do, you have vertical output failure. If you do not, then the likely failure is the high voltage power supply.

Posted on Mar 01, 2008

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SanyoTV-blk screen w/thin line of light across screen great sound

Your Vertical Amp is probably Blown (bad) , but before you change that check all capacitors around the vertical amp IC and / or resolder resistors and diodes around vertical amplifier.
And NO it is NOT the Picture Tube
Good Luck

Apr 18, 2009 | Sanyo DS27820 27" TV

2 Answers

Black screen

Possible causes
  • Your TV is not receiving or displaying the signal from your DIRECTV® Receiver.
  • Your receiver has correct guide information, but is not processing video correctly.
  • You are viewing a channel where an upcoming sporting or special event is scheduled or has recently ended.

  • Turn TV off and on.
  • Make sure light on front panel of receiver is lit.
  • Press the "TV/DSS" button on the remote control or front panel of the receiver (not all receivers have this option).
  • Reset the receiver by unplugging the power cord for 15 seconds.
  • Check all cable connections between the dish, receiver and TV.

If the picture is black, but the program title and description display in a banner the top of the screen:
  • If the problem is only occurring on a few channels, check the detailed description of the program through the on–screen guide on those channels. Often, we display a blank screen with a banner before and after a high–profile event to alert customers about the event.
  • Reset the receiver by turning off and unplugging the power cord for 15 seconds.
  • Run a signal meter test to check your signal strength (press "menu" and look under "setup" or "installation").

If your signal strength is below 70 (or below 60 on HD receivers) in clear weather on transponders 1 and 2, see our troubleshooting steps for "Searching for satellite signal. Please stand by." You may see zero strength on transponders 4, 12, 18, 20, 26 and 28. This is normal in many areas. Your system manual shows how to run cables and point your dish.

Oct 24, 2007 | Toshiba 30HF66 30" TV

1 Answer

NO Picture, No Sound

might be the picture tube,have it checked by a tv repair man

Jul 29, 2008 | Philips Magnavox 20MS233S 20" TV

2 Answers

Tv screen goes black

No, if the picture of your tv screen is clear when when you watching. the troble of your tv is looseboard, and you replace your CRT socket too.

Apr 16, 2008 | Sony KV-35V35 TV

2 Answers

My Sony TV KV32s45 32" Shows no picture but has sound. After a few houres of unpuging the TV the screen is good but then the picture gose up and all i see i a black screen but the sound is good. THE stanby...

Picture int disappears leaving snow on screen
Resolder the Xtal in the tuner
No picture - screen is empty. Sound is ok
Check IC101 (BA7630F), if video signal comes to input (pin 1) but not present at output (pin 14) then replace this IC
Intermittent video or snow
Resolder points A, B, C, D in tuner PCB, check cold solder on tuner shield 2-106-349-21

Nov 23, 2007 | Sony KV-32S45 32" TV

1 Answer

Sony kv35s66: No picture, just sound and red blinking

The most common problem (I have fixed lots) is the Vertical amplifier has developed a loose connection. It probably just needs resoldering. As things expand it makes and looses connection you picture goes in and out. The vertical chip is a large black chip that gets hot, over time it degrades the solder until a connection is damaged. Most newer sets have a protection circuit that senses the lack of height, and shuts down the picture tube to save it. When the picture dropped to a line on older TVs and left that way too long it would burn a line into the face of the picture tube. You then had to have the picture tube replaced along with the vertical amp. it's kinda like a screensaver for your TV.

Nov 21, 2007 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

Black screen no sound

What is the model or chassel number it be a few thing H.O.T Resistor Caps etc..most likely horizontal output transistor.

Nov 12, 2007 | Standard (CRT) Televisions

2 Answers

Our TV reset itsself to sales pitch

1) Demo mode clears by holding vol up & chan up at the same time at the set front buttons. Or try menu & power.......

2) Black box is called a text box = part of closed-caption option.
Select CC to turn text box off.........

Note:Always provide Model # , Chassis # and age......
serial # not needed / helpful..........T.

Nov 05, 2007 | Standard (CRT) Televisions

8 Answers

Tv has sound but no picture

Sounds like you have lost video somewhere in the video circuits. Possibly the picture tube could have gone bad or lost filiament voltage. You can check to see if you have high voltage by holding your bare arm close to the screen. The hairs will stand up if you have high voltage. Absence of high voltage will also cause a black screen,but the sound might not work either since on some sets the power for the sound is supplied from the same circuit as the high voltage. Stargazer

Jan 24, 2007 | RCA G36710 36" TV

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