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Connecting a playback device
You can connect turntables and CD players to this unit. Set the phono equalizer of this unit in the “Phono” section of the setting menu according to the type of turntable cartridge to be connected. link
If you set this unit’s input source to “Phono” and you accidentally increase the volume without having a turntable connected, you may hear a hum noise from the speakers.
NOTE
The earth terminal (SIGNAL GND) of this unit is not for safety grounding purposes. If this terminal is connected when there is a lot of noise, the noise can be reduced. Note that depending on the turntable, connecting the ground line may have the reverse effect of increasing noise. In this case, it is not necessary to connect the ground line.
The PHONO input terminals are equipped with a short-circuiting pin-plug. Remove this plug to connect a record player. Store the removed short-circuiting pin-plug in a safe place so as not to lose it.
About balanced connectors
This unit has both unbalanced and balanced connectors. The balanced connectors have three pins, making it possible to transmit audio signals as a balanced signal, reducing the effect of external noise. They also have a removable lock mechanism, which reduces shaking in the connector area, making the connection highly reliable.
The balanced connection is an all-stage balanced configuration.
Phases of the balanced connectors
The XLR connector is internally wired in either of the following two systems. This unit employs the European system.
European system ( 
PIN=HOT/ 
PIN=COLD)
USA system ( PIN=COLD / PIN=HOT)
If a product that employs the USA system is connected with this unit via a balanced cable, the output signal may be phase-inverted. To correct the inversion, connect the one side XLR connector reversing the PIN and PIN.