ER-A220 (serv.man9). CR-A280 Technical Update Cash Drawer fuse blowing, Preventative maintenance - Sharp ECR Technical Bulletin (repair manual). Page 3

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Bend the Anode end of
the diode (1N4002, and
solder it in.
Change FB3 to Fuse (QFS-K2007BHZZ) 500mA
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