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Hardware Installation
Audio Gain Control Switch
This switch allows for audio gain control for the line-out jack on the back panel. Please make sure all of the
dips are set in the same position and are set according to your headphone speciication (actual effects may
vary by the device being used).
Pin No.
Deinition
1
Power
2
GND
Voltage Measurement Points
Users can use a multimeter to measure component voltages, including VRIN, VIOD, VSA, VAXG, VIOA, VRING,
VDIMM, and VCORE. You can employ following way to measure component voltages.
Steps:
Connect the red lead of the multimeter to the pin 1 (Power) of a voltage
measurement point and the black lead to the pin 2 (ground).
VRIN
Pin 1
VIOD
Pin 1
VSA
Pin 1
VAXG
Pin 1
VIOA
Pin 1
VRING
Pin 1
VDIMM
Pin 1
VCORE
Pin 1
Gain Ratio
DIP Setting
DIP 1
DIP 2 DIP 3 DIP 4
2.5X
OFF
OFF
OFF
OFF
6X
ON
ON
ON
ON
GAIN