
AIMB-220 
46 AIMB-220 User’s Manual 
 
 
2.4.20  CD-ROM Audio Input Connector (JCD1) 
 
Signal  PIN 
NC  1 
CD_L 2 
GND  3 
CD_R 4 
 
 
2.4.20.1 Signal Description – CD-ROM Audio Input Connector (JCD1) 
Signal  Signal Description 
CD_R  Right CD-IN signal 
CD_L  Left CD-IN signal