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Panasonic tv normal b+ , shows normal raster then revert to standbye after a few seconds,

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Check its video processor side. If there is no video signal, this type of fault can occur. Start from the tuner.

Posted on Jan 10, 2013

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Posted on Jan 02, 2017

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SOURCE: Negative type images in pink & lime green

I had the same problem....turned out it was the "lvds" cable that runs from the mainboard to the lcd controller board. Simply remove the tape that holds it to the back of the backlight housing and also remove the foil shielding tape from the connector on the lcd controller board.

Posted on Dec 04, 2009

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Panasonic led tv model no c320x14-E3-B tv tv start few second picture goes and sound OK but no raster


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Dec 26, 2016 | Panasonic Televison & Video

4 Answers

No color


Does it have a video input? Does it have color when playing a vhs tape or dvd into the video input?

Does the set show the raster lines? Is there any snow showing on the raster?

If the set does not show color with an a/v input either then it is likely the main power supply section feeding the deflection system or the video processing is bad.

RCA sets more than a few years old are not good investments for repairs, unfortunately.

Let me know the answers to the questions above and I can give you a more precise suggestion.
 
 Good Luck
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Feb 02, 2008 | JVC AV-27S33 27" TV

1 Answer

TV will not stay on


Find problem first, then work on solution

Sample guide : Flyback Transformer

If B+ is OK , then check for low voltage regulators, tact switches

Good luck!

Oct 08, 2012 | Sanyo HT32744 32" TV

1 Answer

TH-50PX80U Washed Out Pictiure


call me if u wantto sell 678-557 8352

Jul 31, 2010 | Panasonic Viera TH-50PX80U Plasma TV

2 Answers

PS3 not showing up on tv no matter what i do


With your PS3 turned off, press and hold the Power button on the front of the PS3 for about 10 seconds (the system will beep as normal as it starts up but after 7-10 seconds it will beep again). The video settings should now be reverted. Doing this will also reset any theme settings.
I use this method to revert from HDMI 1080p to Composite 576p, without having to swap cables and change settings.

Jan 23, 2010 | Sony Playstation 3 (PS3) Console

1 Answer

Negative type images in pink & lime green


I had the same problem....turned out it was the "lvds" cable that runs from the mainboard to the lcd controller board. Simply remove the tape that holds it to the back of the backlight housing and also remove the foil shielding tape from the connector on the lcd controller board.

Sep 01, 2009 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

How to change a IR sensor in a Panasonic model CT-27G7SDF TV?


CHECK FOR BROKEN SOLDER AROUND THE STANDBYE TRANSFORMER FIRST
you must pull chassis check and resolder all transformer pins on underside ir diode is front of chassis in line with tack switches
check for 5volts replace if bad

Aug 31, 2009 | Panasonic Televison & Video

1 Answer

Tv monitor turns blue during forward or reverse vcr search


On some TV's the screen will go blue if there is not a strong, solid video signal present. This is to prevent the showing of very snowy or all snow channels, or garbled, mixed-up external video signals. This is normal. On some VCR's the video signal changes when the FF or REW search feature is used, and this could trigger the TV to go to blue screen. The only way around this if you can enter the TV's menu and turn off the blue screen feature.

Jun 23, 2007 | Panasonic PV-V4020 VHS VCR

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