Sony BC-1WD Service Manual page 31

Section 7
Board Layouts
BC-1WD (UC) : S/N 20001 and Higher
BC-1WD (J) : S/N 10001 and Higher
BC-1WDCE (EK) : S/N 30001 and Higher
BC-1WD (UC) : S/N 20001 and Higher B (CK-2848)
BC-1WD (J) : S/N 10001 and Higher
BC-1WDCE (EK) : S/N 30001 and Higher
BC-1WD
A (CK-2847), B (CK-2848)
-SOLDERING SIDE-
7-1
A (CK-2847), B (CK-2848)
A (CK-2847)
-SOLDERING SIDE-
7-1