User’s Manual

2.3.11Audio Connector (CN5)

 

Signal

 

PIN

 

PIN

 

Signal

 

Line out R

 

1

 

2

 

Line out L

 

 

 

 

 

 

 

 

 

GND

3

4

 

GND

 

 

 

 

 

 

 

Line in R

 

5

 

6

 

Line in L

 

 

 

 

 

 

 

 

 

Mic In

7

8

 

Mic Bias

 

 

 

 

 

 

 

NC

 

9

 

10

 

NC

 

 

 

 

 

 

 

 

2.3.11.1 Signal Description – Audio Connecter (CN5)

 

Signal

 

Signal Description

 

 

 

 

The MIC signal is used for microphone input. This input is fed to the left

 

 

Mic / Mic Bias

 

 

microphone channel.

 

 

 

 

Mic Bias provides 3.3V supplied through 3.2K with capacitive decoupling to

 

 

 

 

 

 

 

 

 

 

GND. This signal may be used for bias of some microphone types.

 

 

Line-In L/R

Left and right line in signals.

 

 

 

 

 

 

Line-Out L/R

 

 

Left and right line out signals. Both signals are capacitor coupled and should have

 

 

 

GND as return.

 

 

 

 

 

 

 

 

 

 

ECM-3612 User’s Manual 37