Can I safely replace this part with a standard slow acting 0.4 Amp/250V fuse? Or is this a special resistor fuse? The service manual for the CFM-10 lists the part as just "FUSE (T0.4A 250V)" (part number 1-532-006-00), which suggests it is just a standard fuse. But this fuse just has a tightly coiled wire inside - apart from the coloured rings it appears to be just a standard slow glass fuse. I did find some resistor fuses which consist of a resistor inside a glass fuse package. I could not find anything like this with coloured rings. I have searched the web, but I cannot find anything like this fuse. But the fuse also has something I have never come across before - 4x coloured bands on the clear glass (yellow, black, brown & blue), like the colour coding on resistors (see photo attached). The fuse is marked on the cap as "250V T400mAL" - which if my memory is correct means I need a time delay/slow acting 0.4 Amp fuse (to protect against power surges).
It looks OK, but there is no power on the output side and after removing the fuse I get inconsistent resistance readings (ranging from ~300K? to >3M?, and sometimes no continuity at all).
The glass fuse on the power board appears to have failed. But just my luck, when I actually need to use it for something important I find it no longer works properly. It has had an easy life, sitting in its box virtually unused for most of its 16 year life. I am attempting to repair a Sony CFM-10 radio/cassette.
Hello, My first post on this forum - I hope I have placed it in the correct location.
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