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I purchased this bell board recently from eBay US for $23 USD.
The circuit board was specified as untested in the listing, but it was worth the gamble given the low price.
Upon receiving the board, an initial test unfortunately revealed it as non-functional. However, a friend of mine who is an amateur in electronics managed to recondition and overhaul the board into fully functional status.
This board was manufactured in July 1996 by Western Cullen Hayes (as were all type 1 boards). The specific version of this board is 'BELL5', which dates back to June 1994. The next revision 'BELL6' was released in September 1998.
Following restoration of the board, I decided to install it into my General Signals type 1.5 electronic bell housing.
Link here showing the bell in its original form: • General Signals Type 1...