Daktronics S-100/S-200 - Manual (Page 30)

Maintenance &
Troubleshooting 4-3
3. To completely remove the LED module
panel from the cabinet of the display, spread
the clasps of the 25-pin connector on the
rear side of the panel. Gently pull the cable
to disconnect it. Next, disconnect the four-
pin power connector. The power cable is
released by squeezing the tabs on each side
of the connector (refer to Figure 25).
4.3 Display Interior
Once the LED module panel is removed, the display interior is visible. Various internal components,
including the display controller, the modem (when applicable), the light detector, the fan (when
applicable), LED modules, the power supplies and the buzzer are now accessible for repair or
replacement.
LED Module Replacement
If any LED modules fail, the recommended procedure is to replace the failed module or send it to
Daktronics or a certified dealer for repair. Refer to Section 4.7 for information on packaging
components for shipment.
To remove an individual LED module:
1. Disconnect the signal connection from the failed module. Gently pull the 25-pin ribbon
cable from the failed module (refer to Figure 26).
2. Disconnect the power supply (refer to Figure 27). Press the tabs on each side of the
four-pin connector to release it.
Figure 25: Disconnecting LED Module Panel
Power Cable
Figure 26: Disconnecting Signal from a Module
(0.7” Display Shown)
Figure 27: Disconnecting a Power Supply from
a Module (0.7" Display Shown)