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Is there a step by step guide or video on how to REPLACE the internal Real Time Clock Battery in my Sony DSC-HX1 camera? Please advise.’ Ed-L@sbcglobal.net

Hi @edloosli Please follow the instructions on the provided link below. Sony Cyber-shot DSC-HX1 Motherboard Replacement Work to the mainboard. You will see a small battery on the right bottom corner of the mainboard. Most probably this is the part you need; https://www.sii.co.jp/en/me/datasheets/m