Automotive Head units  > Sony pinouts

Head unit pinout abbreviations

Pin
Notation
Pin function

Power pins

B+ Battery+  (12V direct from Battery). 
GND, GROUND Chassis Ground
ACC Ignition powered. +12 V with the ignition key is in the ACC or ON position.
ANT Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) 

Audio pins

FR+ or RF+ Front right speaker out
FL+ or LF+ Front left speaker out
RR+ Rear right speaker out
LR+ or  RL+ Rear left speaker out
FR- or RF-, FL- or LF-, RR-, LR- or RL-, SGND The corresponding speaker ground
LINE IN Audio line in

Misc. pins

Rem Remote control
CD-IN L+, CD-IN L-, CD-IN R+, CD-IN R-, CL, CH, IH, CDL, CDR CD-changer audio

 

26 pins unspecified connector layout
26 pins unspecified connector
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Sony XR-502 visual pinout:
Sony XR-502 diagram
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