I talked to an Akai certified tech who told me the problem is a bad convergence module. The part alone is $400. Fortunately, I purchased mine from Costco 3 years ago. Costco has a 100% guarantee policy that I was not aware of. I called them asking if I had an extended warrenty and they gave me the full purchase price as a refund ! If any Costco purchasers are experiencing this problem and you purchased the TV prior to March 2007 (when Costco changed their policy), you may be able to take it back and get the full amount you paid for it. I turned around and purchased a new, larger Panasonic for under $150 more. It has a 5 year warrenty.
The Akai service number (to reach a certified repair place) is 1-800-726-4405. The Akai people are very good and can direct you to options. For those near Pittsburgh PA, Contact Rosewood Audio in New Castle 724 654-3023.
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Most likely it needs a converter box. To see for sure, just turn it on and look at the channel type.
1. Channels are displayed as decimals, such as 17.1, 17.2, 17.3, 18.1, 18.2, etc. In this case it's a digital TV which needs only an antenna. Also usually TVs like this display no signal as a blue or black screen, though sometimes they can have the fuzzy gray screen.
2. Channels are displayed only as single numbers, 1, 2, 3, 4, etc. Most likely the screen is gray and fuzzy, maybe making a loud fizzy noise, when you have no signal. It's an analog TV and you need a converter box.
One of the things is to hook it to another monitor and see if that still happens. If it does not then it is most likely the screen on the laptop. Not to worry though it could be the cable that connects the laptop motherboard to the screen. When you open and close the lid, it flexes the cable and the little wires in can break. The cable is not cheap though. One way to test this is to change how far the lid opens by flexing it open and closed to see if the screen changes. If it does then it is that cable.
usually after 4 or 5 yrs EHT ( transformer that supplies voltage to tube ) becomes weak - then TV won't get ON.. means no picture no sound ..but LED blinks - in some TVs along with EHT 1 or 2 components like resistor, transistors, etc will also gets deffective .................. so solution is TV circuit board has to be checked to find whether only EHT is deffective or other components are also deffective.......... price of EHT will be between Rs.250 (US$ 5) to Rs.600 ( US$ 12) ........iam from bangalore ( 09986222774, email@example.com ) .....i don't have any idea about EHT component's price & service charge in your area........this problem cannot be solved by user unless user is a technical person having idea about components (resistors, transistors,diodes,...etc..), having multimeter , soldering iron & other tools...so my suggestion call TV service engineer or contact jvc service centre.........
Does the screen go black or does the screen turn off? To determine this, cup your hands place them against the screen with your face in your hands. This effectively blocks all other light out, if the screen appears to be lit even though it is black, the screen is still on.
If the screen in on but black,
1. Check the cables that are attached. If there are separate cables for the video and audio, make sure the video is properly inserted.
2. There is an internal problem with wiring. Check your warranty and try and return it or get it repaired.
If the screen is off,
1. The lamp is burned out inside the tv. This is usually a free fix if the tv is under 2 years old. Contact the establishment where you purchased it or the manufacturer for details.
I had a similar problem after having a Vizio for 2 and a half years. I
left the room for a minute, i came back and the screen went black. I didnt hear an arcing sound though.
There was still power to the unit and you could see that the back light
was working, just no picture, no sound, and you couldn't use any of the
buttons. The only way to turn it off was to unplug it. It would then
start up, with the Vizio logo going from orange to white, and then do
the same thing all over, no pic or sound. I would check the ceramic fuse first on the board that gets power from the plug.
HOW I FIXED MINE: I ordered a new "main PCB" from tigerdirectparts.com
(you can also use searspartsdirect.com). This is the circuit board with
all of the inputs on it (hdmi, cable, etc.) I opened it up,
disconnected the old one, put in a new one and now it works fine.I used
both serial numbers on the board to search for it online. It cost me
$144 to do it, but that's better than $450 for a new TV. My tv is the
vx32l hdtv10a. I hope that helps.
YOUR tv DEVELOP a problem in the video ocillator or the tunner section have this set check by a qualified tech.to solve your problem good luck.any more contact firstname.lastname@example.org i hope by now you have gotten your set fixed the repairs will cost you about between $50.00.to $200.00 good luck.