Question about Sony Televison & Video
The screen of my Sony Trinitron CRT Colour TV, model no. :KV-L34MF1, has become dark with very low light, brightness and contrast. Rest of the functions of the TV are ok. Please kindly advise me where to look for trouble, thanks.
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
I think that you will find the picture tube to be more expensive than a replacement TV, if it is still available (unlikely). That being said, it is also unlikely that the tube itself is the problem, The more common problem is the horizontal output transistor or the flyback transformer. Either part should still be available for a reasonable cost. Check with a local servicer for the part numbers and costs. These are common parts.
Posted on May 19, 2009
SOURCE: Sony Trinitron kv-27HFR blurry
the picture tube is gone.
i repaired 150 sony xbr and kv series with that problem.sony has a single gun not three and has a great pix,but burn out faster.
there is a main screen control that you can adjust ,but the tube is gone.
on the back of the crt there is 3 gun drives r g b .
turn the color all the way down so it is black and white.
if there is a green ore purple tint,one gun is out of balance.
ajdusting the r g b controls so that black and white is normal is what you want to do.
the crt board has the screen bias voltage 800volts on it so be very careful and use an insulated screwdriver to adjust the drive controls.
Posted on May 13, 2009
On the inside of the TV, on the flyback transformer there should be two controls. Turn the one that says "screen" very slowly clockwise while looking at the pix. The pix should get brighter as you turn it up- if you go to far you will see lines in the pix or the TV may shutdown.
Posted on Aug 30, 2007
Tips for a great answer:
Jul 07, 2011 | LG 42LB1D 42 in. HD-Ready LCD TV
May 30, 2011 | Akai CFT2490 24" TV
May 14, 2011 | Sony FD Trinitron WEGA KV-20FS120 20" TV
Oct 26, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV
Jul 07, 2010 | Sony FD Trinitron WEGA KV-36FV27 36" TV
Mar 06, 2010 | Televison & Video
Oct 11, 2008 | Televison & Video
Jul 24, 2008 | Sony FD Trinitron WEGA KV-27FS200 27" TV
Aug 30, 2007 | Televison & Video
150 people viewed this question
Usually answered in minutes!