Pop, gas like release sound, worked for short time, now dead
We bought our 55H70 in 2001. In 2003, we had ??? replaced for $400. We turned it on this weekend and t made a popping sound, followed by a release sound, kind of like a gas leak. It worked for a few minutes, then died. The red light blinks on the front, but that it it. We had it repaired in 2003 for a ???? for $375. Any idea what is wrong? I wonder if it would be better to just buy a new one rather than putting in another $400 in repairs.Any help is appreciated!
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Mine does the same thing. It makes a regular popping sound that does not change in level with the volume control. When the popping starts getting erratic the pixelated sound starts and in a short time the sound straightens out for the rest of the viewing time. However, the next time the cycle repeats itself. Did you find a fix?
It sounds lamp in tv got broken as you heard pop sound of it, replace lamp in tv to fix the issue. Blinking light would be Lamp light at tv front that shows lamp is dead. Lamp replacement procedure is easy and mentioned in tv user manual. Thanks.
It has gone into protection mode. This is caused when a short circuit is detected by the power management system inside the tv.
Try a hard reset: Unplug the power cord for a full 4 hours; then try it again and see if it will clear the protection fault and reset it.
If the reset does not help you will need to have a tech look at the set and take voltage measurements inside to determine which section of the tv has failed and what components will need replacement.
The cost of repair is always over $200 and could be much more, depending on the specific parts that need replacing. If the ICs have burned out the repair is around $400.
The flashing of the standby light may mean something, but I do not know the diagnostic code RCA is using; most RCA models do not have any diagnostic blink codes in the set.
Hope this helps. Let me know if I can help further.
Sounds like a power supply problem.
I am sure that the pop is the fuse blown. If the fuse is blown, this means that there is a short somewhere.
Rear projection TV are like LCD projectors. And all of them use Switch mode power supply.
If you are lucky, there is a chance that a protection device (like a varistor) is sorted. This means that removing this, even without replacing will bring your TV to life, however...
Most probably the power supply is defective.