A 3.5 digit LCD (or LED) is a 3 digit display with a partial fourth digit that displays only 1 or 0 (or blank).
Typical range is 000 to 1999, or 0000 to 1999.
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Most of the new TV's display a blue screen when there's no signal for it to lock on. Try unplugging it for about 5-10 minutes and see if that clears up the problem. Why? Because they have microprocessors in 'em (computer chips) and just as like with any other operating system, they can hang up or crash. This isn't an uncommon problem with today's TV sets. Unplugging it for awhile resets the microprocessor (in other words, it causes it to re-boot when you plugit in again).
it is three digit seven segment display driver IC
5 to 35%
Parts of a digital multimeter include an LCD display and range knob. There are also common ground, positive voltage terminal, and positive current terminal.