Daktronics VS-5000 Series, Руководство пользователя

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Maintenance and Troubleshooting
9
6. Take note of the rotary address on the sign controller and ensure the address on the
replacement board is the same. Refer to Figure 7 .
7. To install the new controller, replace the six nuts holding it to the display back.
Reconnect power and signal cables. Turn on power, observing the boot-up
sequence, and then note that the LED in the lower-right corner shows power.
Accessing the Internal Components
Remove the appropriate module to access the interior sign components, referring to
Figure 2 . Latches at the bottom and/or top of each module secure it to the sign cabinet.
To remove a module:
1. Using a
1
/
8
" hex head wrench, loosen the two latches securing the module.
2. Carefully remove the module from the sign. The interior sign components are now
accessible.
Replacing a Module
Remove the desired module for service; refer to Accessing the Internal Components
(p.9) . If a module requires replacement:
1. Disconnect power to the sign.
2. Remove the module to service, referring to Accessing the Internal Components
(p.9) .
3. Press the locking tabs of the white 4-pin power connector to release it. Release the
ribbon cable for signal.
4. Remove the signal connector from the back of the module
To install the new or repaired module:
1. Plug the 4-pin power connector into the back of the module.
2. Position the new module and secure it using a
1
/
8
" hex head wrench. Be sure the
module is secure.
3. Turn on power to the sign.
4. Test the modules.
Replacing a Power Supply
To replace or adjust the voltage of the sign’s power supply, perform the following steps:
1. Locate the failed power supply. To locate the failed power supply, refer to Figure 2 .
2. Remove and disconnect the module in front of the power supply.
3. Reconnect the signal cable to the back of the module.
4. Remove the bottom mounting screw from the failed power supply being adjusted or
replaced. Then rotate the bottom of the power supply toward you.
5. If replacing a power supply, continue on to Step 6 ; if only adjusting the voltage on
the power supply, skip to Step 8 .
Note: This is a “keyed” connector; it only fits together one way. Do not force the
connection.