DtB317 Posted September 13, 2020 Share Posted September 13, 2020 (edited) Hello, I stumbled across this old burglar alarm at Goodwill and had to have it... But once I got it home to play with, it seems it is missing an important piece of its assembly. I Google searched for an hour trying to find the exact model and pertaining information to see if I could order the missing piece OR DIY myself a substitute piece to make this thing functional again, but can't find anything even resembling this model I have. Anybody out there have any ideas? There is no clear brand Or model labeling... Only thing I can find is: "K.H. A241 7904 (OHM) 0.25W Taiwan OC" ^^^ On the back of the speaker/bell of the alarm And "CA328 400B" ^^^ On the circuit board. There is a Google Photos album link at the BOTTOM (edit) of this post, it was the only way I could figure out on how to get the pics to you guys, if there is a more direct and/or preferred method of posting pic, simply let me know and I will be happy to oblige... I know some people can be wary of clicking on outside links just to view images. Thanks in advance! https://photos.app.goo.gl/PNQcXiXcC4Xfz7DA9 Edited September 13, 2020 by DtB317 Link to comment https://www.thesecurityinstaller.co.uk/community/topic/44087-chain-lock-electronic-burglar-alarm-kh-a241-7904-or-ca328-400b-taiwan/ Share on other sites More sharing options...
al-yeti Posted September 13, 2020 Share Posted September 13, 2020 15 hours ago, DtB317 said: Hello, I stumbled across this old burglar alarm at Goodwill and had to have it... But once I got it home to play with, it seems it is missing an important piece of its assembly. I Google searched for an hour trying to find the exact model and pertaining information to see if I could order the missing piece OR DIY myself a substitute piece to make this thing functional again, but can't find anything even resembling this model I have. Anybody out there have any ideas? There is no clear brand Or model labeling... Only thing I can find is: "K.H. A241 7904 (OHM) 0.25W Taiwan OC" ^^^ On the back of the speaker/bell of the alarm And "CA328 400B" ^^^ On the circuit board. There is a Google Photos album link at the BOTTOM (edit) of this post, it was the only way I could figure out on how to get the pics to you guys, if there is a more direct and/or preferred method of posting pic, simply let me know and I will be happy to oblige... I know some people can be wary of clicking on outside links just to view images. Thanks in advance! https://photos.app.goo.gl/PNQcXiXcC4Xfz7DA9 Buy new and bin it Link to comment https://www.thesecurityinstaller.co.uk/community/topic/44087-chain-lock-electronic-burglar-alarm-kh-a241-7904-or-ca328-400b-taiwan/#findComment-504698 Share on other sites More sharing options...
MrHappy Posted September 13, 2020 Share Posted September 13, 2020 17 hours ago, DtB317 said: I stumbled across this old burglar alarm at Goodwill and had to have it... Was the seller wearing a mask ? as they robbed ya.... Mr Veritas God Link to comment https://www.thesecurityinstaller.co.uk/community/topic/44087-chain-lock-electronic-burglar-alarm-kh-a241-7904-or-ca328-400b-taiwan/#findComment-504699 Share on other sites More sharing options...
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