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VTVM EICO 232 LM317 BATTERY CHANGE
04-02-2017, 03:21 AM
I have a slightly older Eico where the previous owner rigged up a substitute for the battery by tapping off the filament winding of the transformer, all he used was some diodes, a resistor, and some large value, low voltage, electrolytics. It worked fine for me until I blew out one of the resistors on the Ohm meter section after I accidentally used to to measure some high voltage.
Regards Arran
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Messages In This Thread
VTVM EICO 232 LM317 BATTERY CHANGE - by Bradley Rush - 12-23-2016, 07:23 PM
RE: VTVM EICO 232 LM317 BATTERY CHANGE - by Bradley Rush - 12-23-2016, 07:30 PM
RE: VTVM EICO 232 LM317 BATTERY CHANGE - by Bradley Rush - 12-23-2016, 07:31 PM
RE: VTVM EICO 232 LM317 BATTERY CHANGE - by Arran - 04-02-2017, 03:21 AM
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