Hi,
I recently picked up a used Matsui 175S microwave that was powering up (starts, turntable rotates) but not heating. From looking online the most likely culprit was the fuse, but unfortunately in this one the fuse had heated up and fused with the (badly designed) fuse holder and couldn't be removed. I guess this might indicate further issues beyond the fuse itself but at this stage I just want to replace the fuse and see how I go from there.
Anyway since I couldn't get out the fuse itself the easiest fix was to replace the fuse holder assembly that runs between the power supply and the main capacitor but in my enthusiasm to get the job done I failed to make a note of exactly what terminal on the capacitor the fuse connected to, and there's two possible places it could've come from. So now I have a replacement fuse assembly but am unsure which of the two spare terminals it connects to. And I don't want to use the trial-and-error approach since this cap is rather large...
I've attached a photo of the cap itself (Sang Nong 0.91uF 2100V) showing the two spare terminals; alongside with the schematic that came with the microwave in case it helps. Does anyone with more experience of these types of caps have any thoughts on which one the fuse should connect to? Thanks!
I recently picked up a used Matsui 175S microwave that was powering up (starts, turntable rotates) but not heating. From looking online the most likely culprit was the fuse, but unfortunately in this one the fuse had heated up and fused with the (badly designed) fuse holder and couldn't be removed. I guess this might indicate further issues beyond the fuse itself but at this stage I just want to replace the fuse and see how I go from there.
Anyway since I couldn't get out the fuse itself the easiest fix was to replace the fuse holder assembly that runs between the power supply and the main capacitor but in my enthusiasm to get the job done I failed to make a note of exactly what terminal on the capacitor the fuse connected to, and there's two possible places it could've come from. So now I have a replacement fuse assembly but am unsure which of the two spare terminals it connects to. And I don't want to use the trial-and-error approach since this cap is rather large...
I've attached a photo of the cap itself (Sang Nong 0.91uF 2100V) showing the two spare terminals; alongside with the schematic that came with the microwave in case it helps. Does anyone with more experience of these types of caps have any thoughts on which one the fuse should connect to? Thanks!
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