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19th May 2009, 01:52 AM
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#5 |
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diyAudio Member
Join Date: Jan 2007
Location: nc
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I would like to use DC battery instead of AC transformer for power the CD player . Then I used +12v,+5v, -12v, -5V DC battery to replace 7805,7905,7812,7912 regulator. However, no response.
What is the reason? Any additional DC that I need to supply for the IC and other devices? |
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Tascam CD 601 schematic service manual ?
