The set was purchased and used in Nigeria since 2003. The screen went blank yesterday, November 21, 2007 in the course of listening to a network news. The standby lamp was flashing repeatedly, 4 times in about every 3 seconds. Please help diagnose the problem and profer effective solution. I like Sony products and I cannot afford purchasing a new one. Thank you.
FRIN, IBADAN, NIGERIA
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I am having the same problem with my Sony. I bought it at Circuit City in November 2007 and the extended warranty, which I thought was for 4 years, has expired. Has anyone else had this problem, and how did you resolve it?
I have over 10 years experience in electronic tech support.
know this isn't what you want to hear, but the problem you've described
can't be fixed with troubleshooting. Your TV will have to be repaired.
There is a part that has developed a defect and needs to be replaced.
The question will be, is the part still available? Before paying a TV
repair person $75+ to diagnose the problem, ask yourself if you're
willing to pay $250 minimum to fix this particular set. Also keep in
mind that most TVs that old have a very limited number of replacement
parts still available. Normally it will cost at least $75 to have the
set looked at by a repair shop (diagnostics). If the part needed to
complete the repair isn't available, you won't get that money back.
I hope I've provided you useful assistance and that this information
allows you to make an informed decision as to how to proceed from here.
Please let me know if I can be of further assistance.
You definitely have a bad lamp. Sony rates the lamp life at between 4000 and 8000 hours. There are 3 things that effect the lamp life, listed in order of importance: 1) number of times the lamp is turned on and off. Every time the lamp is first fired, it takes life off the lamp. Customers I see that turn the TV on in the morning, leave it on all day and then turn it off on the evening can get up to 12000 lamp hours 2) ventilation. Be sure you have at least 6 inches of open space all the way around the set and that the vents are clear of dust and debris. 3) power. If the power is interrupted when the set is on, there cannot be a proper cool down cycle. The fans will run after you turn the set off to properly cool it down, if the power is lost this cannot happen. If your power is unreliable, buy a small UPS to let the set finish a cool down cycle
Occasionally a lamp will faill before the average lamp time due to being defective. from your purchase date it sounds like you got about average lamp time. Be sure to purchase AN ORIGINAL SONY LAMP as a replacement, becuase the aftermarket lamps are bad news, Be sure to rate this solution. Thanks!
I repair alot of flat panel TVs and whenever you're dealing with a problem with OSD (on screen display) That means that the microprocessor circuit is having a problem. The microprocessor is always found on the main board of these units. So I suggest you take it to an authorized Sony repair shop to be checked out.