Mike -
I don't know where the 15A fuse is shown, I don't have a manual for the
AC-10. But I would say that it actually SHOULD be a 1.5A fuse as it is
in the primary (120 VAC). This is good for 180 Watts. The secondary is
fused with a 3A fuse, which at 13.5 VDC is good for ~40 Watts. My
understanding is that the rear panel 120 VAC outlet is for a charger, so
not a lot of power expected there either. So assuming you don't have
some large device plugged into that rear panel AC outlet, the problem is
inside the AC-10.
All that aside, most likely you have a shorted filter capacitor and or
rectifier diode(s) causing the 1.5A fuse to blow. If you are unable to
test the filter cap, I'd check the diodes with an ohmmeter and if ok
just replace the cap and see if the fuse still blows! If it does, then
you may have a shorted transformer, etc., but my bet is on the cap.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>
Michael Harden wrote:
Text for AC 10 Say's "15 amp fuse " for the main power.
The schematic shows a 1 1/2 amp fuse. I replaced the original fuse
with a 1 1/2 fuse and it blew without being connected to anything. IE
turned on only.
Any help would be appreciated. Thanks in advance.
Mike
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