Search found 4 matches

by SEAWOLF
Sat Oct 13, 2012 6:35 pm
Forum: Icom Amateur Radio Forum
Topic: ICOM IC735 Blowing Fuse.
Replies: 0
Views: 7475

ICOM IC735 Blowing Fuse.

I have been working on an ICOM IC735 for some time which is blowing the fuse.The final and driver transistors are ok, and I have also checked diodes and capacitors and they are ok.I have unpluged the other boards and try to power up but the fuse still blows.The power supply is also workig well. Can ...
by SEAWOLF
Fri Sep 16, 2011 1:02 pm
Forum: Icom Amateur Radio Forum
Topic: ICOM IC735 Blowing Fuse.
Replies: 4
Views: 12476

Re: ICOM IC735 Blowing Fuse.

Thank you very much.
by SEAWOLF
Thu Sep 15, 2011 4:28 pm
Forum: Icom Amateur Radio Forum
Topic: ICOM IC735 Blowing Fuse.
Replies: 4
Views: 12476

Re: ICOM IC735 Blowing Fuse.

The fuse is located in the PA UNIT, and I have a service manual for the radio.
by SEAWOLF
Tue Sep 13, 2011 3:17 pm
Forum: Icom Amateur Radio Forum
Topic: ICOM IC735 Blowing Fuse.
Replies: 4
Views: 12476

ICOM IC735 Blowing Fuse.

I am presently repairing an ICOM IC735 which has not been used for about 7 years.The circuit boards appeared in good condition when I examined them,but when the power was switched on the 3 amp fuse was blown.I tested the finals,predriver and driver transistors,diodes and electrolytic capacitors in t...