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20th May 2004, 10:13 PM
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diyAudio Member
Join Date: Apr 2003
Location: Sarnia, Ontario, Canada
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Is my Opamps Damaged? Comments Please
I am building a new analog output for my DV563 and I am using a + &- 15 VDC Power Rails .
I discovered that the positive rail was not connected properly, so therefore it was operating on a +0V & -15 V power supply. I discovered the problem after I powered up and I am finding -15VDC on the output. Are the opamps damaged? I repaired the +15V and so the supply voltages are OK but the output still reads -15V. The opamps in question are OPA627BP's & BUF634's. Let me know as I would have to desolder the chips and add new ones. Thanks, Dan
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