Daktronics 4203 Series, Руководство по обслуживанию

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22 Control Equipment Overview, Service, and Replacement
7.2 Replacing Control Equipment
Replacing the DMP-8065
1. Disconnect the incoming power to the DMP-8065.
2. Disconnect the duplex fiber to PLR port A from the
DMP-8065. Refer to
Figure 16.
3. Disconnect the duplex fiber to PLR port B from the
DMP-8065.
4. Disconnect the network communication cable.
5. Disconnect power to the fan on the DMP-8065.
6. Pull the DMP-8065 release tab and carefully lift the
DMP off of the DMP mounting plate. Refer to
Figure
17.
7. Reverse Steps 1 - 7 to reinstall the DMP-8065.
Caution: Risk of explosion if a battery is replaced by
an incorrect type. Return the controller to Daktronics for repair or disposal.
Replacing DMP Power Supplies
Each DMP has a power supply and a
redundant power supply. If one power
supply fails, the DMP-8065 will still
function on the redundant power supply.
To replace a failed DMP-8065 power
supply:
1. Disconnect any power cables to the
power supply and from that power
supply to the DMP-8065.
2. Pull the power supply tab. Refer to
Figure 12.
3. Rotate the power supply forward and lift it off of the pegs.
4. Reverse Steps 1 - 3 to install a replacement power supply.
Replacing the ISP Enclosure Filter
The filter in the bottom of the ISP enclosure should
be inspected and replaced if needed. Spare filters
are located in the display spare parts enclosure. To
replace an ISP enclosure filter:
1. Depress the filter release tab and allow the
filter door to hinge down. Refer to
Figure 18.
2. Remove the existing filter.
3. Replace the filter with a new filter from the
spare parts box.
Duplex Fiber to PLR Port A
USB to SmartLink
Duplex Fiber to PLR Port B
Network Communication
Incoming Power From
Power Supply
Figure 16: DMP-8065 Jacks
DMP Release Tab
Figure 17: DMP-8065 Release Tab
Filter Release Tab
Figure 18: ISP Enclosure Filter Release Tab