Question about ViewSonic P225f (Beige) 22" CRT Monitor
I purchased this exact monitor second hand
within a week of buying it the screen would flicker and shrink (vertical hold only) and a slight popping sound would be heard when this occurred, about 2 days after this started occurring, the monitor stayed like that for about a min when we smelt smoke and noticed smoke eminating from the top of the monitor.
after unplugging the monitor and ensuring there was no actual fire, I took the case apart, there resided a large scorch mark on the circuit board about mid way back on the left side (looking at the front of the monitor)
directly under what looked to be a large aluminum heat sink.
not sure if this was caused by "dirty power" as my home dose not suffer from it that I am aware of and we have lots of other electronics.(2 computers one with a old 17" CRT and one with a 22" LCD, a xbox 360 on a 47" LCD TV)
I suspect a Issue with incompatible Hrz settings of a modern system on a legacy monitor, correct me if I am wrong.
Refresh rate cannot hurt a monitor. Besides, on modern monitors, if the mode is not supported the monitor will just shut down.
One of the vertical output transistors has failed. This is a common failure on cheap monitors.
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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