Get a multimeter at RadioShack or other electronic's store for about 7 10 dlls the check the resistance for example if its 2.2 will measure 1.1 if its attached to the chasis ans so on if its a 6.8 ohms will mesure 3.4
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Use your remote and goto the convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.
This set has an advanced menu for adjusting the convergence and what may have happened is the shop adjusted it (It is done with an original Philips remote) and then not SAVED THE ADJUSTMENTS INTO THE SET'S MEMORY.
I can if you have the remote get into the menu and adjust and SAVE the adjustments. If the set is HD the convergence will have to be adjusted two times, once in regular and once in HD.
U can't alignments this even u have the original remote.Tv have a problems known as convergence problems,it dead.Colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts,must be changes on the tv convergence board to fix convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.
Projection TV sets have two very common problems oulined below.
Problem #1: Convergence Chip Failure ( common problem )
Here are some of the most common symptoms and example photos of a convergence problem
Screen looks 3D
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
No Audio/Video - TV Makes Chirping Sound
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.
First thing to know = your set is Hitachi made with Philips
name on it....not a bad thing, just good to know.....
Parts to change out = STK392-110 IC's sub to upgrade
STK394-160E part # CZ 01341 , change both for reliability...
Then activate Intellisense and see if all is well........T.