Question about Sony FD Trinitron WEGA KV-36HS510 36" TV

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TV screen turns green

Used to get green flashes, but image was always there. Now screen is green with horizontal lines and faint. Turning set off and then on fixes it for about a minute, then its back to green?

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  • pls advise Jun 12, 2008

    Hello,
    The Sony Trinitron KV-20FV10 or KV-24FV10 fell off the shelf with a great thud- some, but not all, of the cables were still attached and cushened the fall somewhat. The TV was still on with a snowy picture. Cable company reconnected everything. Picture is now bright and clear but has a circular rainbow as far as the color.
    Is it repairable or a goner? Any advise?


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It is problem of green colour video o/p transister section, the suply of 190volts d.c is not getting to the transistor please check the dry solder ,or video o/p transister may be open

Posted on Jul 06, 2008

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I think your color combination chip is not working. you may have to change the chip of color system.

Posted on Jun 11, 2008

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Hi, I had a problem with my Sony CRT television.


The faint background lines are vertical flyback lines. Start your diagnosis by turning the brightness and contrast controls to minimum and view the screen in a darkened room. If you can now see a raster with horizontal lines visible then it is likely that the tubes A1 screen voltage is excessive. The screen voltage is usually within the range of 400v to 600v. Adjustment for this is often part of the flyback transformer. Check all high value resistors
in the screen and focus circuitry. Some of these reistors may be
built into the flyback transformer. As the picture gets brighter the beam current increases, this will eventually cause the X ray protection circuits to trigger shuting off the set. A fault in the video drive circuits to the cathodes of the tube will cause similar symptoms but usualy results in a predominance of one colour, ie
bright red, blue or green raster with flyback lines.

Oct 20, 2013 | Sony KP-53HS10 TV

1 Answer

TV WONT COME ON AND THE LIGHT KEEPS FLASHIN RED AN GREEN ON THE STANDBY BUTTON


  1. If your Sony Wega will not turn on, the front green light blinks, you hear a faint whirring sound and the green light turns red and flashes, it probably means the lamp inside the set is no longer working. If you noticed the screen beginning to dim in the preceding days or weeks, this most likely is the cause.

  2. If the green light flashes and the picture comes on momentarily but then goes off, and the green button flashes until the set restarts, then the seal around the lamp mount is loose and needs to be refitted.

  3. If the picture on your Grand Wega cuts in and out and the green standby light flashes, both of the set's STKs need to be replaced. STKs are small chips on your television's circuit boards and are identifiable by their labels. The specific STKs used in your Grand Wega TV will be identifiable by the numbered labels on top of the STKs.

  4. When you plug in your Sony Wega and hear a loud popping sound, it's probably caused by a defect in the high-voltage circuit. Let the professionals take care of this one.

  5. If, after turning on your Sony Wega, you can hear your set but the screen is black, you most likely need to replace your projection lamp.



Read more: How to Troubleshoot a Sony Grand Wega ' eHow.com http://www.ehow.com/how_5243554_troubleshoot-sony-grand-wega.html#ixzz1EoY37gpC

Feb 23, 2011 | Sony Grand WEGA KF-42SX300 42" LCD TV

1 Answer

I have a 51HW40 sony TV. A few problems green horizontal retrace that curves flashes green and turns off (about 2 times a month) I wait turn it back on and its fine Codes that have been tripped: 6: Low b ...


Hello: Have you tried to adjust you Green Screen control on the focus block assembly. located behind the front panel assembly. Here is a solution that might help you, turn off the green by turning off this control, make sure u look at the block and make sure you are not turning the green focus knob instead of scrn crl. Turning the control slowly to the left the retrace lines should disappear as the green video darkens. Then turn the control slowly to the right just until the retrace lines reappear, then turn back slowly left just until the lines go away. If the screen is Blanking on green tube only then you have a video blanking problem on the main signal board. Or possibly a IK bias problem. It is also possible that the green CRT is defective. The FBT is not bad because the screens are lighting up indicating you have high voltageand heater voltage which is derived from one of the secondary windings of the FB. If it is a Blanking problem i would look into replacing the A Board assembly.

Sep 25, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

SONY KV-32TW67 FAINT GREEN AND RED LINES ACROSS WHOLE SCREEN


friend maybe your LCD was broken or loose. try to pull gently if it return to normal image.

Jun 30, 2009 | Sony KV-32TW67 TV

1 Answer

Color lines out of focus


Best Solution posted on Apr 12, 2008 Asker's Rating 3%20stars_w.png
dc2eb76.jpg MikeNJ1964
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Rating: 89%, 674 votes
You have a completely different problem. The screen voltage for the blue picture tube is slightly too high on your set. This will put fine lines in the background of the picture, called retrace lines. This is very common and easy to correct. Remove the front speaker cover and the access panel behind it. Look inside and you will see a black box with six controls, each control having a little white glue on it. This is the Focus/Screen block. Three controls are labeled Focus and three are labeled Screen. The screen control in the center is for green but I am not sure if the screen control on the left or right is for blue for your model. With the TV on, set it to VIDEO 1 but do not connect anything to the VIDEO 1 jacks. This will produce a pure dark picture, showing any faint lines in the background. Choose one of the screen controls and increase (turn clockwise) it slightly. If the blue lines do not get brighter it means you are turning the red screen control, so put it back where it was and choose the other screen control. When you find the blue screen control, decrease (turn counter-clockwise) it until just when the blue lines are gone. If you want you can check that the red and green screen controls are set to just below the point where their faint lines are visible. When done, replace the panels and your picture will be back to perfect.
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MikeNJ1964 was exactly right! I have a Sony KP-65WV600 that had horizontal green lines that showed when the picture was darker. I had to remove 3 screws on the right and left side of the tv holding in the speakers...carefully pop out the middle panel from the clips holding it in....remove 4 screws from the cardboard in the middle and remove the cardboard. I then saw the six screws. The adjustment screws were the three below. I turned the middle screw until the lines dissapeared. I tried the left screw and blue lines appeared which I then adjusted away.
THANKS a bunch. SAVED me money!!!

May 15, 2009 | Sony KP-65WV600 65" Rear Projection...

1 Answer

I have a mitsubishi projection tv vs 6021 manf date may 1998. I have no picture no audio. the power swithc light is green and contiously flashes. Deos any one know what is wrong with it. thank you Denna


3 things will cause this and one wil be the problem. first off flashing green indicates protection mode.

Check for a faulty vertical chip. usualy removing it and briefly turning on the set will make the set work with a line across the middle of the screen. If the chip is the fault please replace the capacitors around the i.c as the fault will reaccur.

next check the horizontal out transistor , it should not be shorted between base and collector. if so check for dry joints around flyback trany and horizontal stage circuit.

last is the 8 volt regulator that supplies the micro its power. located on the power module.

Jul 07, 2008 | Televison & Video

1 Answer

Mitsubishi VS-45607 45" Big Screen


Good Day, Delano1981;

It may cure the problem but I would suspect the 9 Volt source
CHECK C2P05 100 UFD 16 V OFF PIN 3 OF IC2P01 AND
IC2P01 PART # 270P466020 (9-VOLT REGULATOR). BOTH
ARE ON THE SIGNAL PCB.

This should resolve your TV"s condition.

Good Luck, big IRISH.

May 27, 2008 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

Haier P42LV6-T1 picture


when TV overheats white lines come across the screen

May 15, 2008 | Haier 42EP24S 42 in. EDTV-Ready Plasma...

1 Answer

White horizontal line down middle of TV screen


caution whenever you see horizontal line please reduce brightness of your tv for safety of crt. your problem in vertical section only mostly due to loose contact in connector,print or loose components.

Sep 20, 2007 | Mitsubishi CS-35505 35" TV

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