56 AT000115-02
USB Fuses Test
The USB has fuses protecting it from high voltage and to prevent short circuits from occurring.
F1 — Supplies 5 V from the Power Supply to the USB.
F2 — Supplies 12 V from the Power Supply to the USB.
The LED Diode D7 and D8 correspond to F1 and F2. If a fuse is burned, the LED diode will light red. If one of the
LEDs id red, then replace the corresponding fuse.
USB Board LEDs
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