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Erratic view from display , takes picture that way , almost like it has a bad tuner

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Let me guess...Sony Cybershot? If you're still able to view pictures clearly but when taking pictures the display looks distorted or black, it's most likely caused by the CCD sensor chip. By the way, even if it's not a Sony it can still be the same problem.

Posted on Dec 17, 2008

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2 Answers

No picture display at all but with sound


This most likely a codec issue, TV is encoded in MPEG 2 format. If you download the "shark codec pack" this will contain the codecs you require to view the stream.

Mar 14, 2011 | Philips SAA7130 TV Tuner/FM Radio/Video...

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No luminance


poor very dark is sighn of bad bulb ok after 3000 hours they get dark they wont die just get darker in darker like what going on now and have stuff looks like red nasty get new bulb ok

Feb 10, 2008 | Mitsubishi WD62627 62" HDTV

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Turn tv on no picture everything else works. turn it off & on a few times maybe more and it comes on and stays on. what could be the problem thanks mike L


Hello,
If everything else works - there is sound and high voltage (static on the screen) - but there is no picture (including no on-screen menus), this limits the likely area of problems is the video output circuitry or CRT filament connections. Check for bad soldering on the CRT ports and around the flyback transformer.

This source of bad connections can result in a variety of erratic symptoms. Check for bad solder connections on the CRT port.

May 28, 2010 | Proview PA-32JK1A 32 in. LCD Television

1 Answer

Picture goes in and out


Hello,
This will require you opening the back cover of the television to test some component with the use of an ohmmeter.
This may be a slight drift - like someone is messing with the fine tuning
or such a substantial change in tuning frequency that the channels go by
as though you are surfing.

Possible causes depend on tuner type:

1. Quartz tuner (10 button direct access digital synthesizer) - For a
slight drift, a component is probably changing value, possibly the
crystal in the reference oscillator. For gross changes - flipping
through channels - it is more likely to be a digital control problem -
the microcontroller is misdirecting the synthesizer to change frequency.

2. Varactor tuner (buttons but not direct channel access) - If only a
single pushbutton selection is the problem, the the varactor tuning diode
for that button is probably changing capacitance. If all channels in
a band (Vl, Vh, U) are having a problem, it is more likely to be a
drifting D/A or faulty AFT (Automatic Fine Tuning) circuit or power supply.

3. Turret or switch tuner (Knobs) - A component like a capacitor is changing
value.

You will have to get in there with a heat gun or cold spray and track it down
the old fashioned way. At least, the problem is almost certainly localized
to the tuner box (and possibly the controller if applicable).

As noted, gradual slight changes in tuning are likely due to frequency
determining components drifting.

Uncontrolled channel surfing is probably a logic problem. For the
quartz tuner, this could still be marginal connections causing the
microprocessor to misdirect the synthesizer to change channels.

For the latter case, particularly, the cause may still be bad connections
resulting in loss of channel memory and/or erratic behavior.
Take care...

May 21, 2010 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

My camera is not showing through Viewer or display screen, not able to take pictures...... My display screen works fine to view old pictures taken..What could be the problem?


It sounds bad ccd imager chip in your Canon camera and ccd imager chip will be replaced to get live view in camera mode to take pictures.
Canon offers free of cost repair for few models with same problem, click Canon CCD Imager Advisory for details and ask Canon for free repair of your camera.
Thanks.

Sep 30, 2009 | Canon PowerShot S2 IS Digital Camera

1 Answer

Can't take pictures


It is bad ccd imager problem in your Sony DSC-T1 camera and ccd imager chip will be replaced to get live view in camera mode to take pictures.
Sony will replace it free of cost, click Sony CCD Imager Support for details.
Thanks.

Sep 28, 2009 | Sony Cyber-Shot DSC-T1 Digital Camera

2 Answers

Samsung LNT1953H sound but no picture only white screen


1. Can you view a DVD correctly? Good video and sound?
2. If so, you can get an "external tuner" like the Digital convertor boxes that the government subsidized and hook that up to your cable....
It will work (if you answered YES to #1)

3. Cost to fix TV is around $120... (tuner board)
(Don't open TV ... high voltages in there...)
4. Cost to use an external tuner around $20
5. Cost to use only for viewing DVD's ... FREE

Hope this helps.

Sep 08, 2009 | Samsung LN-T1953H 19 in. LCD HDTV

1 Answer

Blank screen with other displays still working


1. By View your DVR, Do you mean you can actually see a picture?
2. By "Switch Channels", are these channels being tuned by the TV Tuner?

Your LCD Panel is OK Since you have a Picture (input display in right corner)
If you can see a picture with your DVR, VCR, DVD or any external source then your TVs Video Processing is OK....if not you will probably need to replace the responsible PWB for this function
If you can see a picture with the external sources and only the TV's Tuner is not showing Video, The PWB responsible for Tuning within the TV should be replaced.

Also, if all problems are associated with only the DVR (I assume this is Sat or Cable), then it is most likely that this device is not functioning properly. Possibly lost signal or deauthorized.

Apr 29, 2009 | Sharp Aquos LC-32D40U Television

1 Answer

Picture Flickering


The sony tuners have been known to get intermittent, it might be a bad ground where the tuner connects to the main chasis, If the problem is in the tuner itself it will be most difficult to resolve since the connections are so small and compacted together.
Good luck

Apr 19, 2009 | Televison & Video

1 Answer

On my cyberhome 1600 dvr want to view tuner of dvr on tv screen


Take your TV for a check by a good technician. Some IC have short circuited in the accident that occured.

Rate this...

Mar 22, 2009 | Cyberhome DVR 1600 DVD Recorder

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