Modifying a Talking Timer, Type A PC Board
by Miami Mike, 02/05/2012.
Type A, Step 6 - On the bottom of the board, cut a trace.
Type A, Step 7 - Scrape off the green coating and tin the
trace with solder.
Type A, Step 8 - Add a jumper wire.
Solder a 3-inch piece of 30 gauge wire-wrap wire to the
scraped trace and thread it through the hole to the other
Type A, Step 9 - On the top of the board, cut two traces.
Type A, Step 10 - On the top of the board, add two jumper
The jumper wire that comes through the hole from the bottom
of the board connects to two separate points on the top of
Type A, Board Top, Summary
Type A, Board Bottom, Summary
Finished! Check the two metal diaphragms on the board that
go under the VOICE and SOUND buttons to make sure they
haven't fallen out of place, then reassemble the
timer and test it.