SOURCE: heard a loud "pop" and
The loud pop and the picture going out is usually due to either failed buffer boards or sustain boards. The first thing to do would be to examine the sustain boards for any visually identifiable damage.Have a look at the boards titled X-main and Y-main and see if you can notice any charring or anything of that sort, especially near the fuses. If nothing then let me know and I will give you instructions for testing the pico fuses.
SOURCE: my hp 4260 plasma tv when blank but still have sounds
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