Sync Scorer Components 39
(5) Keyboard (J1) - Connection to the keyboard in the console.
(6) Comm/Power/Exciter Audio In (J3) - Connection for the power, communication and audio
exciter signals. When the board is located in left console (odd lane), signals for both the left and
right lane coming from the Peripheral Controller enter the board at J3. If the board is located
as the second keypad of the lane pair (even lane), the signals route through the odd lane keypad
then to this connector. Refer to (7) Comm/Power/Exciter Audio Out (J4).
(7) Comm/Power/Exciter Audio Out (J4) - Connection for the communication, power and audio
exciter going to the second keypad for the lane pair. This connection is only used on the left
(odd) lane keypad.
(8) Microphone (J7) - Connection to the microphone used for the intercom system.
(9) Speaker (J2) - Connection to the speaker. The circuit board applies the selected audio to the
speaker through this connection. This audio includes the intercom, exciter audio, and keyboard
beep.
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