Question about Hitachi Televison & Video
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Posted on Jan 02, 2017
SOURCE: Dark , blurry picture
MTNESTR, My guess would be the FBT loc.TH01(flyback transformer) Hitachi p/n#BW03004 which would be far less expensive than replacing the entire deflection board... A shop could ring test the FBT to confirm the failure. I do know the FBT in this unit has an internal resistor that is prone to failure. It is in-line with the focus block and if it's open it would explain the blur and lack of screen voltage to light the crts properly. The deflection board is about $290-$350 plus shipping and a FBT is somewhere between $60 - $90 depending on the supplier. Hope this helps! Bill
Posted on Jun 04, 2007
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 Mar 22, 2009
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best advice I can tell you at this point is to go to tvrepairkits.com
and order the complete convergence kit for your model of TV set, no need to
search and order multiple parts from different sources and pay multiple
shipping fees! The kit comes with original Sanyo STK IC’S , not those cheap
aftermarket or china made IC’S full pictorial
directions, the thermal paste, resistors, the correct Pico
fuses, AND free live on-Line tech assistance in case you run into a problem
with the repair. They ship out 2 to 3 day Priority mail, the next day in most
cases GOOD LUCK!!!
Larry Dillon, senior tech/tvrepairkits.com
Posted on Jul 06, 2009
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