Question about Akai PDP4294 42 in. EDTV-Ready Plasma Television
This tv was only 18 mos. old when tv went out no picture or sound. when the power is turned on one green led, blinks once and then 6 led red lights blink. it's been like this for months. sears came out, supposedly power supply, just placed order for part and then sears will fix problem. is this a magnavox issue, it seems there are many led problems with no picture. can this be fixed by myself or does it have to be a technician? I have been going back and forth with sears who will only pay $100 for part and $150 for labor. I've already spent $100 for tech to tell me I needed a specific part. Is Sears to blame for selling these defected magnavox t.v.'s?
Once a good name, Magnavox seems beset with quality problems in the last decade evidenced by the fairly high number of sets of some models being offered as catalog items in 'factory refurbished' condition.
I have taken to researching models before buying them to see if this is the case with a model I am interested in buying.
Power supply problems seem to be endemic in later TV sets as they are 'switched mode' power supplies that are more efficient than supplies of 20 years ago, known as 'linear supplies.'
Switched mode supplies can be almost as durable although they have 'stress' points that really hammer certain components. This high demand on some parts requires the use of parts designed for this type of service but alas, they cost a bit more than garden variety parts that would have served well in the older style of supply.
I am currently analyzing some supplies to see if these weaknesses can be cured during repair by spending the extra couple of dollars on parts specified for this kind of service as well as adding a few additional passive parts to reduce the stress on the fussy ones.
If you wish to email me (after correcting the anti-spam AT), I'll keep your address on hand (along with some others who are also afflicted) and let you know of my findings. I am not, at this time, offering repair services however.
BTW, there are thousands of people (myself included) that assumed that Walmart would not risk a PR disaster by selling absolute junk such as the iLo brand LCD TV they had a year or two ago but I was wrong; they were junk, the company is in essence uninterested and Walmart couldn't care less about those of us burned- I will not buy anything costing more than a hundred bucks there ever again.
Posted on Dec 12, 2008
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