Absen CR1.9 User Manual - Page 18

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5.1 Preparation Tools

Preparation tools: Multi-meter, Module front service tools, Screwdriver, etc.

5.2 Rear Maintenance

Remove the back cover and HUB board from the back side of the cabinet to access the PCB board as the

modules can be accessed from the front. All the power supply, receiving card, and the HUB board can be

serviced by removing back cover.

Back cover

Power box

5.3 Test for short circuit

After finishing cabling the cabinets, use a multi-meter to test the AC input (L/N/PE) and DC output (VCC/GND) to

determine whether there is a short circuit. If a short circuit has been found, please examine the circuit carefully.

Power up the cabinets only after making sure all the circuits are working properly.

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Panel

Receiving card

HUB board

Adapter plate

Leading

LED

Applications

Leading

LED

Applications

Light board

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