Question about Sony KP-44PX3 44" Rear Projection Television
Many of the later model Sony TV’s have a built in self-diagnosis
function. If the timer/standby indicator is blinking, this could be an
indication of a problem with the unit. The diagnostic blinking will
occur automatically with no action required by you to engage it.
The timing of the blinking you see would be as follows: two to nine blinks, (depending on the fault), about a third of a second apart, then a pause for 3 seconds, then the two to nine blinks about a third of a second apart again.
Here is a list of the problems that might have occurred indicated by the number of blinks. The words in parentheses are those, which you will see for each of these faults on a diagnosis screen described later in this article.
Now that you know about these self-diagnostics, how do you use them? Say that you have a set with a black screen. You see that the LED is blinking four times. This would tell you that you have no vertical sweep, which is why the video is muted. If it was blinking 6 times, you would know that you have a horizontal fault. It's not a sure cure..
IMPORTANT: After you repair the unit, you MUST clear the values on this diagnostic screen. These codes do not reset themselves after the fault is corrected, so if you don't clear them, you'll be seeing "old" fault codes the next time you enter this screen. Clearing is done by going into the service mode (display, channel, 5, volume plus, then power ). Press 8 and Enter, which returns everything to the factory preset condition.
Posted on Feb 13, 2009
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Posted on Jan 02, 2017
Hi, 5 times blink of standby light shows that TV needs White Balance adjustment. No need to dump it, adjustment is also not so difficult. Let me know if you want to give it a try to guide you.
Posted on Jun 15, 2009
SOURCE: Sony Grand Wega 55 inch
6 blinks is an indication of a missing voltage. It's not the lamp or balast. It may be an indication of a thermal or heat trouble. These sets have thermal protection because of the heat created by the lamp. The thermal fuse may have opened. If this has happened you should have professional check it out. This set has 3 or 4 fans. These should be checked out or replaced. I suggest a Sony authorized repair. This is not a repair I would recomend for you to attempt. This set keeps a record of it's falures and the pro can check for any other trouble also.
Posted on Apr 24, 2009
SOURCE: projection tv wont turn on
i had same problem after house power switched off 3 times in same day disconnected power left overnight worked ok i will still take tv for a service .
red light was blinking 10 times
Posted on Feb 24, 2008
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