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For21 ultra slim CTVSDS21SBB-CUB TV FALT

NO PICTURE ON RF SCREEN OK & AV OK

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

CrazyLarry
  • 173 Answers

SOURCE: inputs

learn lip reading..... but really 1080i inputs have to cut main circuit and be processed through your main amplifier .
shorted or too low a signal at input is a start.

Posted on Jan 19, 2008

jingjao
  • 252 Answers

SOURCE: SANYO TV MODEL CM20SP8S CHASSIS AC3-A20

try to fine tune your tv using the remote control, or, if you had knowleged in electronics adjust the sound IF transformer using a wood stick or plastic don't use a metal in adjusting the IF

Posted on Oct 10, 2008

  • 18 Answers

SOURCE: TV picture rolls on AV input, but picture fine at RF input

u change the colour system 2 pal

Posted on Dec 26, 2008

Mas Baz
  • 177 Answers

SOURCE: hi my tv is ultra


hello, I think that problems occur because the connection that has been cracked. If you have experience in electrical, resoldering on the pcb crt and vertical ic area.
good luck.

Posted on Mar 24, 2011

TODDAS
  • 431 Answers

SOURCE: My LG Super Slim 29"

You don't have a deflection yoke problem, you have a pin cushion problem. Check the pin cushion transistor.

Posted on Nov 14, 2011

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I'm trying to hookup my Toshiba DR430KU to an older tv that require an RF Modulator. I get a skewded sideways picture. Does This DVDR compatable with a RF Modulator?


Probably not. Better picture results are achieved with either S-Video, standard RCA AV cable (yellow-white-red), or YUV component cable (red-green-blue) (component output does not have audio - this requires extra cable to be connected). The video via either one of these 'AV' connections is stunning (based on a standard 16:9 LCD TV using a Panasonic DVD recorder).

RF tends to be lower quality - as opposed to AV/digital input. AV input/YUV component handles digital better. No one connects their DVD devices to their TV via RF (either directly to the antenna socket or with a modulator/attenuator) anyway. Because a VCR is mostly analogue, it will work fine with an RF connection, but DVD is digital, and so won't work as well, if at all.

RF also goes through the tuner in a TV, creating cross-interference, whereas AV is a direct input and is separate to the tuner.

I would say an RF modulator would not be designed to handle the output frequency that your DVD device generates. Throw the modulator out, or perhaps get another TV, or use RCA cables instead if the TV has AV inputs. Whichever is cheaper and easier, but don't use RF accessories except a standard antenna if/as required.

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1 Answer

Sony KV- 20FV12 get no signal on screen. Same cable outlet works on other TV as a test. Cable ON in menu. Auto Set search produces search but still no signal.


Hello

If auto search is going on smoothly, and there is no stations on air is memorized, and display no signal, there are tow possibilities. The first one is antenna is not connected properly. Check the antenna connection for firm. The second one is tuner fault. If the tuner inside the tV is faulty, or it does not gets proper voltage to work, this type of fault land display will see on screen. Check if proper voltages are comming to the tuner section in circuit board. If voltages are ok, and still there is no signal display, just check it with external video input. That is, connect it to any dvd or cd with AV connector, and set the TV to AV mode and play a disc. If there is picture, the video side of your TV is OK. If not, Video-chroma-RF jungle IC is faulty, and not the tuner. OK.

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If the mouse and keyboard are working, and the receiver is still flashing constantly, then it's probably just indicating that the receiver is connected to the keyboard and mouse.

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#27PT543S37A philips tv model-the tv video channel is not working


In short your tv has a problem on the AV connection, RF using coaxial cable is working okay.
get the tv to the w/shop, let him check the AV panel and AV processing IC.

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1 Answer

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Try to use AV cables they work better than RF cables in my opinion. AV out to TV in works everytime.

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