Question about Televison & Video
I have a rear projection Samsung HDTV1080i model HCR4355WX/XAA serial# 31Ey600379N version MV01. when plugged in it makes a twing noise and the LED in the front blinks red 5 times. Unit does not turn on!!!
TV repairman said he has to come out, just wondering if it was a part I can order online. Took back panel off, when looking at it from the back the noise is coming from the right hand side on the TV. PLEASE HELP!!
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Posted on Jan 02, 2017
This might be something really simple... In a large number of DPTV310 chassis, of which this TV is, the yoke connections where put in place with black electrical tape just below the retaining rings. Job is to loosen the rings, remove the tape and push the yoke back in place and tighten down retainer.. Be careful not to throw off the tilt of the yoke. The adhesive on the tape, over time, gets hot so many time it becomes slippery and allows the yoke to fall away from it's position dulling the look of the image (or focal length) causing the problem you're describing here... It also throws off the convergence - so in attempting to converge it just looks worse. Good Luck Bill
Posted on Jun 11, 2007
I don't recommend working on the TV unless you have some experience and knowledge relating to the safety issues and electronic repair. Most rookies will not successfully complete the repair and probably do more harm than good.
Sometimes when the convergence chips fail, the TV senses the changed load condition and shuts down.
Unplugging the blue, red or green convergence connector on the convergence board removes the overload condition if the IC is shorted and allows the tv to run, with one color missing.
This is done with the tv unplugged. Then plugged in and turned on to see if it starts. Turn off immediately if you here it start.
Now you know if convergence failure caused the shutdown. You can repair the convergence circuit if that is the problem.
If this has no affect, then you could have a number of different faults in Vertical output, Power Supply or HV circuits that require the expertise of a qualified service person. This would be a bench repair in most shops.
If you live around Calgary, Alberta try me instead:
Or try to the find the repairperson part of this website (on the Homepage) and search postal code. Maybe you will be lucky and someone from your area is listed for Projection TV repair.
Most rookies doing this job will cause damage and not be successful. They will pay double for someone to fix their mess or end up scrapping the TV. It is not a simple task. It is more difficult than batteries on a remote.
Posted on Jun 27, 2008
You have 2 distinct problems that should be addressed separately. Please repost the Samsung problem. I will address the Sony problem here.
If the "shadow" makes the picture seem somewhat of a 3D one, the problem is with the convergence circuit. This could be as simple as bad connections on the pins of the convergence ICs or defective ICs. If you can solder and would like to attempt the repair, update this and I'll provide more details and instructions.
Posted on Sep 25, 2008
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