Question about Televison & Video
Something coming in on cable or antenna mode--could be a tuner bad but more likely a bad connection or a loose one on cable wires.
In many cases it is possible with a box to go audio/video from box to one of the rear inputs and bypass the issue.
Posted on Nov 03, 2012
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Posted on Jan 02, 2017
SOURCE: KP-57HW40 problem
· Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.
Posted on Jan 14, 2008
SOURCE: height is small in aiwa
this is the conversion chip and vertical deflection chip that need to be replaced
service mode will only make the color alignment worse since the conversion chip is failing so it won't align properly
it will need that repair
Posted on Oct 16, 2008
Your TV most likely has one of two possible problems.
Problem #1 - Failure in the convergence circuits. ( 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 will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, 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. Notice how dull the colors are and how white the screen looks. The screen may also look red, orange, dull, etc.
TV set after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.
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 May 22, 2009
SOURCE: mitsubishi wd52725 wavy pic
If this is a rear projection set you needs the convergence IC replaced,
the model # wd52725 indicates it may be a DLP (probably not correct). If its a DLP the problem is within the power supply or video/formatter boards. The convergence ICs should cost between $250 and $400 to have a servicer install them depending on their labor rates.
If this is a DLP model the power supply repair (just capacitors) would cost the same, but if the boards are bad it would be over $500 to have repaired.
Is it worth the repair? Most servicers charge an estimate fee $60-$120
perhaps for can ask them for their labor rates for the IC install instead of having them drive out and tell in person what they could say over the phone.
Compare the repair prices with the replacement price and decide based on, your budget, how old the set is, what you paid for it originally.
You can buy a new 52" proj set for around $1000-1200 DLP or LCD
you will get a 1 year warranty on a new set, but only a 90 warranty on the ICs. If you buy a new set try to buy the 3 or 5 year extended warranty to protect your investment.
hope this helps
Posted on Aug 04, 2009
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