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Display Digital Multimeter
LCD screen to change the Led Display?
I have a DM303 digital multimeter. NJU9201BD has an A / D I know it for Lcd Display NJU9201BD NJU9202BD is for the LED display, but are otherwise identical. I damaged my LCD screen and you Want to be an LED display that does not spare me LCD. I want to 7-segment common anode LED displays. So how can I do that? I know, pins segment welding straight right will not work. I tried to use a transistor to amplify the voltage, but in this case, the LED backlight, as opposed OFF. and no significant change occurs in the luminance if she objects to be running. I think I succeeded in giving the necessary details. If you need further clarifications, please send me an email. Thank you
You must have version unit transistor chip LED, or cicruits many that can discern between "on" and "off". LED drive with pleasure waveforms. This chip is quite common, and should be fairly easy to get a compatible LCD, but you may need to modify your circuit board. You could ask someone about a DMM has been burned, probably a good LCD can be used likely, or by moving the A / D chip.
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