Audio Connectors; Cdrom Audio Input (Cdrom) (J44); Line2 And Mic2 - Kontron KTQ77/Flex User Manual

KTD-N0848-B

6.8 Audio Connectors

The on-board Audio circuit implements 7.1+2 Channel High Definition Audio with UAA (Universal Audio
Architecture), featuring five 24-bit stereo DACs and three 20-bit stereo ADCs.
The following Audio connectors are available as internal connectors.

6.8.1 CDROM Audio Input (CDROM) (J44)

CD-ROM audio input may be connected to this connector or it can be used as secondary line-in signal.
Note 1: The definition of which pins are used for the Left and Right channels is not a worldwide
accepted standard. Some CDROM cable kits expect reverse pin order.
Signal Description
CD_Left Left and right CD audio input lines or secondary Line-in.
CD_Right
CD_GND Analogue GND for Left and Right CD.
(This analogue GND is not shorted to the general digital GND on the board).

6.8.2 Line2 and Mic2

Line2 and Mic2 are accessible via Feature Connector, see Feature connector description.
Page 44
PIN Signal
1 CD_Left
2 CD_GND
3 CD_GND
4 CD_Right
Internal Connectors
Type Note
IA 1
IA
IA
IA 1
KTQ77/Flex Users Guide