Avalue EEV-EX20 - Manual (Page 27)

Quick Installation Guide
EEV-EX20 Quick Installation Guide 27
2.3.26 (Module Codec) LCD Inverter Connector (JBKL3)
JBKL3
Signal PIN
+5V (max. 2A) 5
BRIGHT 4
NC 3
GND 2
+12V (max. 2A) 1
2.3.27 CD-ROM audio Connector 1/ 2 (JCD1/ JCD2)
Note:
JCD1 is for module codec. JCD2 is for carrier codec.
JCD1
Signal PIN
GND 1
LINEL 2
GND 3
LINER 4
JCD2
Signal PIN
CD_L 4
GND 3
GND 2
CD_R 1
JBKL1 JBKL3
JBKL2