30 Scoreboard Troubleshooting
When troubleshooting driver problems, three LEDs labeled DS1, DS2, and DS3 in Figure 23,
provide the following diagnostic information:
DS1 will be on and steady to
indicate the driver has power.
DS2 will be on or blinking when the
driver is receiving a signal and off
when there is no signal.
DS3 will be blinking at one second
intervals to indicate the driver is
running.
Note: While it is necessary to have the scoreboard powered on to check the LED
indicators, always disconnect scoreboard power before servicing.
Replacing a Driver
Drivers are typically mounted inside the scoreboard and immediately behind a digit, but
location and mounting varies with the model of the scoreboard. Refer to Section 5.2 to locate
the driver enclosure.
To replace a driver:
1. Open the digit panel as described in Section 5.3.
2. Loosen the wing nuts to remove metal cover from the driver enclosure.
3. Disconnect all connectors from the driver by squeezing together the locking tabs and
pulling the connectors free.
Note: It may be helpful to label the cables to know which cable goes to which
connector when reattaching the driver.
4. Remove the screws or nuts securing the driver to the inside of the enclosure.
Figure 23: Driver Status Indicators
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