Question about RCA F32450 32" TV

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Horizontal blue line in centre with black back background

I have a Mitsubishi CS27305 ..when I turn it on it shows a horizontal blue line in the centre with a black background. what is wrong with my tv and how do I fix it

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  • 458 Answers

This fault sounds like a frame colllapse. The supply voltage to the frame IC may have gone open circuit or the frame IC itself has gone faulty. Unless you are experienced with electronic repairs I strongly suggest you are best to take it to a repair centre.

Posted on Jun 21, 2009

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1 Answer

Color lines.


Readjust screen control drives on screen and focus control R/G/B.

Feb 11, 2009 | Mitsubishi Televison & Video

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.

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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.

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

1 Answer

Flashing Horizontal, Circuluar, Colored Lines


sounds like bad capacitors on the FMT board need replacing that is a common fault with the first generation DLPs There are 3 bad capacitors.

May 31, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Blue out of focus; casting blue "glow"


Try changing the coolant in the blue tube. Contaminated coolant will give a halo look to the affected tube and you will experience difficulty focusing that color.Phillips/magnavox's blue is the tube most often affected with the contaminated coolant issues.

Mar 01, 2008 | Televison & Video

1 Answer

Horizontal Lines On Screen


horizontal lines = horizontal sync off . mitsbishi always seemed to have this problem .. on the older sets I would take the back off and inside deep on the board i would adjust a pot and sync it right .... and never had a recall, maybe your newer model has this too .. this little control,

but its a horizontal sync problem.

if no change the horizontal processing ic.

Jan 11, 2008 | Mitsubishi WD-52725 52". Rear Projection...

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.

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1 Answer

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Be very carefull replacing the fluid as leaks will short stuff out and are messy.

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