كود:
SONY model no. CDX-M500 to 700 R
In bottomn of SONY is window with three pair of contacts || || ||
Legend:
|| - unsoldering contacts
N - soldering contacts
-------------------------------------------------------------------
TP3 TP2 TP1 (code)
-------------------------------------------------------------------
|| || || ???
-------------------------------------------------------------------
|| || N ???
-------------------------------------------------------------------
|| N || ???
-------------------------------------------------------------------
|| N N sound,mode,att,open
-------------------------------------------------------------------
N || || ???
-------------------------------------------------------------------
N || N menu,enter,mode,open
-------------------------------------------------------------------
N N || ???
-------------------------------------------------------------------
N N N without code
-------------------------------------------------------------------