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MY Beloved Sony Flashes all the time. It first started last year during Hurricane Wilma. We had a power spike and when the power came back on the TV took it's sweet little time coming on. Being somewhat trifty with electronics I took the back cover off and notice the board on the back of the tube had a couple of very small areas that looked smoked. I ordered a new board and 6 weeks later (that is a story for another time)placed the board on the TV. Only to find that the picture was way out of alignment and still flashing. My wife called the local repair place the next day and $300.00 later my sony was back! Only to 2 weeks later develop a green tint on the images on the screen and an uncontrolable flashing started. I called the repair guy back and he "reshot the tube w/ a light gun???" and resurected the tv again only to have it start with the green tint again and now it just flashes every 2-3 seconds.
the picture was awesome after the last reshoot while it lasted, the repair place seems to think that the tube is going but I don't buy it! It was a perfect picture before the power spike! and they had mentioned something about a chip or something in the "JUNGLE" my gut tells me that it is just one small peice that needs to be replaced not the tube. PLEASE <--- that is desperation!
any insight would be grateful!
Thanks for the insight and help! I truly am grateful! I hate to see it go, But I was trying not to face reality. I loved this set and we have had it for 9 years and yep it has been on almost every second that we have owned it. Four kids you know. Anyway thanks again so very much and now it is time to start shopping around any suggestions for a comparable set? Thanks again for taking the time.
-JThanks for the insight and help! I truly am grateful!
I hate to see it go, But I was trying not to face reality.
I loved this set and we have had it for 9 years and yep it has been on almost every second that we have owned it. Four kids you know. Anyway thanks again so very much and now it is time to start shopping around any suggestions for a comparable set?
Thanks again for taking the time.
-J
my sony trinitron tv flashes about every 7 sec. but when a dvd is played it flashes about every 10-15 min.a couple of years ago we had the video kit replaced. there has been no problem until the day directv called to say they were sorry for any interruptions we had been having that they had been upgrading the systems.the trouble all started the next day. we've even changed satellite boxes. just out of no where it started this flashing with no warningmy sony trinitron tv flashes about every 7 sec. but when a dvd is played it flashes about every 10-15 min.a couple of years ago we had the video kit replaced. there has been no problem until the day directv called to say they were sorry for any interruptions we had been having that they had been upgrading the systems.the trouble all started the next day. we've even changed satellite boxes. just out of no where it started this flashing with no warning
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Im sorry to tell you my freind, these sets are so common for the tubes to cause this problem.. The repair guy should have told you that they shot the tube and there is no warranty on a repair such as this.. Do yourseld your wife and your wallet a favor. get rid of this set as they will string you along so far till you get fed up. Again no disrespect intended at all. Just some freindly insite. Good Luck
Please do not forget to rate this thread.
Behind the back panel of most sony tvs there are two knobs vertical of each other one on the bottom is for your screen turn it counter clockwise until the blinking stops. i had the same problem!
When you had the back off you obviously could not see anything causing the flashing. At the base of the cathode ray tube (CRT) could you see any change in glowing while it was flashing?
It certainly sounds like the tube.
The board (PCB) on the base of the CRT has built in spark gaps which probably fired during the power spike to protect other components from too much voltage, hence the smoky appearance.
Some CRT have built in spark gaps which are probably firing continuously, due to the initial surge causing local contamination of the spark gap.
I wonder if there is some local expert who can burn the internal spark gap away a bit to stop the firing.
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Hi,
It sounds lamp is weak in tv and need to be replaced.
If lamp has not been replaced in last 2-3 years then replace it to get tv problem fixed.
Thanks.
Could be a weak Picture tube . You can try turning up the screen control but don't turn it up too much you'll get retrace lines in the picture . Turn it alittle at time until picture comes on then turn it down until the retrace lines go away . Then try turning the tv on and off to make sure it comes back on. Be careful you can get shocked if you do this while it is on and you touch one of the circuits . The control is on the flyback or the module thats on the picture tube it will say screen by it . If this does not work you could have vidoe problems or just the picture is no good . Good luck
Had the same problem with My Compaq M700 No Boot Or Post. Battery Light Flashes 8 Times, Have to Wait 24 to 48 hrs sometimes longer to get Laptop to Start. Tryed the DC Converter Board Change No Difference same Problem. Noticed When Laptop Did Start Clock Time Was always a Little Off 2-4 Hours sometimes more. So Figure CMOS Problem With Time Issues. Read About Battery Memory Transitor Voltage spike Detection Issues Corrected With Newer Bios Flash at HP Supports. So I Flashed Bios With Latest 686h. During the First Boot After Reflash Battery LED Did flash No Start, After pushing the power button again it Started. And has Every since.So Far Laptop Now Boots Everytime and CMOS Checksum Seems To Keep Time Correct In Windows. The Bios Flash Corrects a Voltage Spike Detecting Transistor In The Charging Circuit. During First Start after flash Bios will run system test on the charging system and Correct CMOS. Worked for Me Hope this Helps a Few.
Thanks for the insight and help! I truly am grateful!
I hate to see it go, But I was trying not to face reality.
I loved this set and we have had it for 9 years and yep it has been on almost every second that we have owned it. Four kids you know. Anyway thanks again so very much and now it is time to start shopping around any suggestions for a comparable set?
Thanks again for taking the time.
-J
my sony trinitron tv flashes about every 7 sec. but when a dvd is played it flashes about every 10-15 min.a couple of years ago we had the video kit replaced. there has been no problem until the day directv called to say they were sorry for any interruptions we had been having that they had been upgrading the systems.the trouble all started the next day. we've even changed satellite boxes. just out of no where it started this flashing with no warning
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