MEX-BT4100E, MEX-BT4100P, MEX-BT4100U, MEX-BT4150U (serv.man2) - Sony Car Audio Service Manual (repair manual). Page 18

Checking the version allows you to jump to the revised page.
Also, clicking the version at the top of the revised page allows you to jump to the next revised page.

1.0

2012.09

New

1.1

2012.12

Addition of MEX-BT4100E/BT4150U 

Change of Part No. for SPRING (RELEASE) (Ref. No. 54) 

Change of MAIN board (Suffi x-21/-22) (BT4100P/BT4150U: E, Mexican models) (SUPPLEMENT-1) 

Change of MAIN board (Suffi x-21) (BT4100E/BT4100U/BT4150U: Saudi Arabia model) 

 (SUPPLEMENT-1) 

(SMR-12050)