Bluesound Node 2 Instrucciones de montaje - Página 5
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Additional information:
Measurement and regulation.
The power supply required by the module should be between 5 and 5.1V. The module has voltage measuring points -
described: VCC and GND. They are used to measure voltage under load. They can facilitate fine adjustment of the power
supply (if the power supply has such a possibility).
Socket polarization:
Specification.
supply voltage: 5V DC
power supply current: min 2A
built-in 3A fuse
short-circuit and overload protection: ≥ 6V
reverse polarity protection
LEDs indicating module operation (upper: control voltage, lower: main voltage)
The "U2" part is a fuse. It is part of the security features and is a replaceable part (spare part attached to the manual).
Blowing the fuse is deliberate to protect the device and its replacement is not covered by the warranty. It may act due
to incorrect power supply voltage or connection.
If necessary, a replacement with the following parameters can be used:
type of operation: fast-acting fuse
housing SMD - 1206
voltage 32V, maximum allowed 63V
fuse current 3A
maximum allowed resistance: 30 mOhm (0.03 Ohm)
maximum allowed voltage drop: 90 mV (0.09 V) at 3A current
FUSE