Question about Televison & Video
Need focus screen control 1-223-925-22 or what is appropriate part no pls suggest?
Probably have to replace both as a unit. Try Ebay if not available through Encompass or Fox.
Posted on May 08, 2014
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Posted on Jan 02, 2017
The jitter is called a vertical sync problem. The problem is on the "A" board. It can be replaced or rebuilt but will be quite expensive to service.
Posted on Feb 13, 2009
Your TV most likely has one of two possible problems.
Problem #1: Convergence Chip Failure ( common problem )
Here are some of the most common symptoms and example photos of a convergence problem
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence section.
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.
Problem #2 CRT Fluid is Cloudy
Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
Picture of a set that needs the fluid changed.
TV set after fluid change
What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.
Posted on Feb 28, 2009
The tv is in shutdown protection due to overdriving video signal. If you are handy you can pull the front cover off and there are 6 controls on a HV block. 1 set says focus, do not touch those. One set says screen. One at a time turn them down, counter clock wise putting each one back where you found itTurn the first one down and then turn the set on. Do this for each untill you get a picture. You will most likely find a bad blue gun. You can also remove the board from each gun 1 at a time with the set unplugged and find the shorted gun. good luck.
Posted on May 25, 2009
I found this solution from SONY's website.
The STANDBY light will flash if an issue is detected within the television. This can sometimes be resolved by simply following the steps below to reset the television.
I hope this helps.
Posted on Aug 05, 2009
Can you unplug the TV for about 15 seconds, and then plug back in and watch the stand-by light. Tell me how many time the stand-by light blinks in regular intervals. If it doesn't blink at all, you need to change a fuse on the g-board. Once this is done run back through the stand-by blink light process, and more troubleshooting can be done if problem isn't already solved. If the stand-by light just keeps blinking with a count over ten just tell me, and I'll look for other possibilities.
Posted on Oct 25, 2009
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