Quote:
Originally Posted by Hunts smoothing bomb
I would nesxt set my meter to the lowest ohms range (200 ohms?) if not auto ranging and put my probes on each terminal of C703 as this capacitor is connected straight across the AC HT supply after the fuse and a failure here would certainly rupture your fuse violently.
As it is cracked my money is on this having failed. Even if it tests fine it could be breaking down when power is applied so try desoldering one side of it from the PCB, insert a new fuse and power up to see what happens, it won't make a lot of difference that it is not fitted.
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Can't find any evidence in this thread that C703 is cracked, unless I've missed it, C703 is a prime candidate though.
Lawrence.