Question about ViewSonic E70f 17" CRT Monitor
My E70f monitor has no display and the clipping sound appeared. All of the AC/DC voltages appear. What happened?
The clipping sound is the internal safety switch that keep shutting down the monitor.
It means there is an internal problem on the main board (overvoltage, bad component , short).
Try unplugging power cord and leaving it unplugged two or three hours, this will reset ICs by draining power completely from circuits, it is called hard reset, it rarely works.
CRT monitors waste up to 15 times more energy than TFT screen, if your CRT starts giving troubles, then it is a good time for upgrading it to a new TFT.
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Posted on Sep 10, 2008
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Posted on Jan 02, 2017
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