Fuse rating?

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naboo

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My tube amp is silent but the lights are on. Under the covers is a 3A slow blow fuse which is fine, and marked as 3A, and which appears on the schematic.

On the outside the is a fuse holder, one of the legs (red wire) of a 600uf cap seems to pass through it, this fuse seems to be gone. I can see the caps on the schematic but no fuse, am I missing something?

The fuse itself is very difficult to read, the writing is as if it was engraved. Had it under the magnifier, looks like it says T500mAL250v

Does this make sense to anyone, which fuse should I get?





http://cloud.tapatalk.com/s/6210cd3ad3574/hfe_michaelson_and_austin_tva-10_schematic.pdf

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