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XC70 Base
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Repair and Diagnosis (Single Page)
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Subwoofer Module (Sub) (2008-2011)
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Signal Specification
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General
Signal Specification: General
U=
DC voltage in volts (V)
U
AC
=
AC voltage in volts (V)
U
bat
=
Battery voltage (V)
f =
Frequency in Hertz (Hz)
U
low
=
Voltage approximately 0 V
t =
Time in seconds
PWM =
Pulse width modulated signal as a %