Speaker Connector (Cn10 & Cn15); Audio Connector (Cn9); Table 27: Pin Assignment Cn8; Table 28: Pin Assignment Cn8 - Kontron ECX-KBL-U User Manual

7.6. Speaker Connector (CN10 & CN15)
The Speaker audio-out interface is available through the wafers CN10 and CN15. These outputs are shared with the
audio output (Line-out) signals of the audio pin header CN9. With up to 100 dB Signal-to-Noise Ratio (SNR).

Figure 17: 3W Audio AMP Output Wafer CN10 (Left Channel), CN15 (Right Channel)

Table 27: Pin Assignment CN8

Pin Signal
1 Speaker+
2 Speaker-

7.7. Audio Connector (CN9)

The audio connector provides audio output (Line-Out), audio input (Line-In) and microphone (Mic-In) signals through
the wafer CN9. The audio output signals are shared with those of the speaker connectors CN10 & CN15. The Signal-to-
Noise Ratio (SNR) is up to 100dB.

Figure 18: Audio Input / Output Pin Header CN9

Table 28: Pin Assignment CN8

Pin Signal
1 MIC-In_L
2 MIC-In_R
3 MIC-In_JD#
4 GND
5 Line-In_L
6
Line-In_R
7 Line-In_JD#
8
GND
9 Line-Out_L
10 Line-Out_R
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Note
1
11
Note
2
12
ECX-KBL-U - User Guide, Rev. 1.0
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