Question about Sony KP-65WV700 65" Rear Projection HDTV

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Blue gun control

Hi, I have the same problem as this user. "How do you turn down the screen control for the blue gun for the small blue curved lines ? Thanks for all your help its a good thing your doing for people." Can I please have the instruction also. My email address is lostchild11@yahoo.com.

Thank you very much for your help. MC

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  • 8,617 Answers

Remove the front speaker grille and also the smal;l access panel and you will see a small control box with 6 switches 3 control the focous and 3 control the screen control. The screen control will be laid out like the CRTs are Green in the center and blue and red on either side just turn the blue down very little or you will make the CRTs shut down.

Posted on May 01, 2008

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Toshiba Model 51h84


The wavy when cold is a issue with a board in the set--Hyper board--the warmup until it begins to work will gradually get longer and longer.

The blue: look at set on a unused video input--if see faint curved blue lines with some blue visable on the screen the blue screen control needs to be adjusted just slightly down until the blue and curved lines are not seen.

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When i turn on my tv i can hear the sounds but my whole screen is blue


do you see thin curved blue lines going from bottomto top of screen. If so its most likley a blue CRT drive board issue. If its a solid blue it could be a small signal board issue.

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Hi..have a sony kp57hw40 after about 30 seconds on, the screen turns all blue..what would this be..??


most likely the blue gun is shorting out, or the ic on the neck board is defective,
or u can try turninr down the screen control for the blue gun
the controls access via the front panel,pull speaker grill off screws on sides or at bottom of grill
remove plate togain access to block of 6 controls, 3 are focus and 3 are screen brightness
center up/dwn are green
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right are blue



Apr 01, 2011 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Samsung SP47W3HFX tv blue flickering curved line..


If the lines are slightly curved and stationary on about 2/3 of the screen its either the Blue CRT or the Blue CRT drive board which is having the problem.

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1 Answer

Further assistance needed


I just replied you and here once again...

Please pull front speaker grill and find focus block, fixed at corner having 6 control knobs on it.
Find Blue Screen control knob there.
Put your TV in AV mode to get dark screen and just press Display button on remote to have AV display.
Now slightly rotate control knobs counter clock wise until thin lines (retrace) disappear. Job is done and put back speaker grill, press display button again to disappear screen display.

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

1 Answer

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


Hello,
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.

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1 Answer

I have a KP-65WV700 and the screen looks a lil to green


OK, I'm the guy that was having the same problem, but had a blue tint to the screen. I also had blue lines running across the screen, and when I followed the steps below that were posted by another user not only did the lines disappear, but the blue haze vanished as well. My tv looks like it's new again, so you may want to try this:

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I have fixed this several times on my KP 65WV700

As Slinteriors posted if it is a thin curved line you need to adjust the screen control, it's sorta like a brightness for each color, and if one color is too high it will produce a thin curved line.

The best way I have found to get to the controls is by removing the lower grey speaker cover front the front of the TV. There are 6 screws if i remember, 3 on each side. Then it snaps off, seems like its going to break but you have to pop it off pretty good.

Once its loose you have to remove a cardboard like cover plate in the center that will give you access to the small controller board.

Now be very careful while experimenting on which knob controls which colors. Turn them very slow, if you turn to fast you will cause your TV to shut down. If this happens, turn the adjustment back to original spot and turn TV back on and take it slow.

Adjust the correct color until the line just goes away. Its easiest to do this with a black screen.

Nov 18, 2008 | Sony KP-65WV700 65" Rear Projection HDTV

1 Answer

Sony kp-65wv700


take the back off there should be a small rectangle with 6 buttons on it 3 for focus and 3 for the G2 (screens) some models have this control in the front behind the speaker grille behind an access panel and others have the control switch on the circuit board that is attav=ched to the crt neck. Either way its just a small switch much like a volume switch but smaller. Depending on what chassis you have it will be in one of the 3 areas I have mentioned. just turn it down a little. If that doesnt take the lines away you will need to trouble shoot the blue drive circuit.

Mar 21, 2008 | Projection Televisions

1 Answer

Sony kp-65wv700


I sent instructions in my last post to you, if you cant find it let me know and I will pull up the specific model for your set and try to help you locate it. And thanks I enjoy helping people with their sets I have been doing this over 25 years and still enjoy working with electronics.

Mar 21, 2008 | Sony KP-65WV700 65" Rear Projection HDTV

3 Answers

Sony kp-65wv700


I followed GuestUser/ Slinteriors advice and I fixed it. Open the front of the TV and there are 6 little nobs in the front. The botton 3 are what you need to adjust. from left to right the color controls are BLUE, RED GREEN. For the blue lines, slightly (I really mean very slightly) turn the botton left nob clockwise (right).

Mar 21, 2008 | Sony KP-65WV700 65" Rear Projection HDTV

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