Sony CDX-M600 Service Manual page 39

Pin No. Pin Name I/O
112 4V SEL I 4 V select input (Fixed at "L" (CDX-M650) or "H" (CDX-M600/M600R) in this set.)
113 (P-SEL) I Power select initial setting (Fixed at "L" in this set.)
114 TUNON O Tuner power control output
115, 116 LED SW1, 2 O Operation/display side illumination select control output 1, 2
117, 118 (NCO) O Not used. (Open)
119 VSS — Ground
120 (DOLBY) O DOLBY B ON/OFF select output ("H": ON) (Not used in this set.)
Pin Description
39 39