Adding a Fuse to the IM-103

[Gary H. Harmon Jr.]

Parts needed:  3/16 amp slow blow fuse with appropriate sleeving.

Remove the line cord that goes to terminal 2 on the terminal strip.
Connect it to terminal 18.
Connect the fuse in sleeving between terminals 18 and 3.
Connect a wire between terminals 2 and 3.
Solder all connections.
Affix a label on the chassis near the circuit board to identify the fuse
rating.
On pages 12 and 13 of the manual indicate a fuse in the line from the AC
plug to D1.
On pages 2 and 14 add the new parts (346-6 Large sleeving, 390-362 Fuse
label, 421-40 3/16 amp slow blow fuse)
Add a note to the circuit description on page 12.

Consider yourself protected.

73, gary

=========////////=========
Gary H. Harmon, Jr. - K5JWK
6003 Archwood
San Antonio, TX 78239-1504
Home 210.657.1549
210.884.6926 Cell

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