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Yes, stuffed somehow. Some time ago I went to repair a turntable. Owner had just invested in a $10 multimeter so I used that and found no volts in (It took DC from the main amplifier). Went home to bring back a power supply to get the turntable running and brought back my meter. Checked again - volts were there! Tested his new meter on a 1.5V battery - zilch reading!
I have a couple of these cheapies spread around office, car, home but haven't seen such a gross fault.
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