Question about Mitsubishi VS-45607 45" Rear Projection Television

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Black Lines goin through screen

Hi, well i just got a older tv it was made in 2001 and somtimes when i turn it on it works fine but there is like a ranbow color on the top but sometimes theres black lines that go through the screen and i cant get them to go away also when i hit the PIP button the screen goes crazy and is all scrambled like and the only way to fix that is unplug it and plug it back in PLEASE HELP ME!!! :)

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Re: Black Lines goin through screen - Mitsubishi VS-45607 45" Rear Projection Television Projection Televisions


Posted on Aug 08, 2007

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I have blue arched lines on my sony kp 57wv600 is there a fix for this

Those are retrace lines, the screen controls which are a technical control located under the front gray panel of your tv needs adjusted. This also could be an indication of a bigger problem, most common would be the focus block failing. it could also be of the picture tubes failing but this is not as common or possibly the crt driver ic's. There are specific diagnositc steps to preform to isolate the potental failure. this could lead to the tv going very bright then shutting down.
The first thing a tech is going to do is to adjust the screens and leave, somtimes this is enough, but sometimes it is not. if you want to try and adjust the screen i have an instruction set below, but i must warn you that there are high voltages present when attempting this adjustment and can be dangerous if you are un familure with tv repair.

Turn your color all the way down and the brightness in the middle, then find the focus block, it will be a block with 6 controls one row will say screen the other will say focus near the picture tubes, adjust the screen controls(one control for each color) until the picture has a good black and white look to it, then turn your color up and it should look fine. This is how i balance out the picture. But there is another method that allot of techs use, the other method is to adjust the brightness up until you see what is called retrace lines it is a jagged line going down the screen, once you see these lines back the adjustment down just until they disappear. Do this for all three colors. This method works but on an older set can throw the white balance off because of tube wear.

Aug 05, 2009 | Sony KP-57WV600 57" Rear Projection...

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Faint red curved lines on Sony KP 51ws500.Converged = no work???

Hi There!
This sounds like a typical problem related to a older CRT.
If you remove the front cover of the tv, you can then remove a wood panel. Behind this panel you will see a block (high voltage splitter) it will have 6 "knobs" on it, 3 will say focus, 3 will say screen.
They will also be labeled R - G - B  
Put the tv on a blank input so you can see the lines clearly on a black screen  - Find the knob for red, and SLIGHTLY turn it down until the red lines disappear. 

Dec 22, 2008 | Sony KP-51WS500 51" Rear Projection...

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Very fine blue lines veiwable when the background has black in it

You need to adjust (actually bit decrease) G2 volts (calls Screen volts) of Blue gun.
If you are familiar with big TV repair and have electronics knowledge then let me know to guide you further.
thank you.

Dec 13, 2008 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Have power but no sound or picture

Do you have high voltage? Check by turning up one of the screen controls to see if you have retrace lines.(pinstripe diagonal lines across the screen) If present turn the screen control back down until the lines just disappear. Check diodes 6003, 6012, 6025, and resistor 3669. If you don`t get a retrace line by turning up the one of the screen controls, check for missing voltages or shorted components in the horizontal output and power supply circuits. Note: Philips TV`s can be tricky even for experienced technicians. Good luck

May 22, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

TV Picture problems

replace all caps in vertical area, if problem stays, try replacing pumpup diode and vertical. if still same problem check drives goin to the vert, and vcc goin to it.

Apr 09, 2008 | Projection Televisions

1 Answer

PT-60LC14 screen problem!!!

try to resolder main board and crt board first then,post me again. hope this help u...

May 15, 2007 | Panasonic PT-61LCX65 61" Rear Projection...

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