Sony XR-55A75L Service Manual page 119

TROUBLESHOOTING
4.4 No Picture at Tuner - I,Q, SAGC(Near SOC)
BM5STY Tuner portion(Top View)
BM5STY(Top View)
BM5STY Tuner portion(Bottom View)
C3012
C3025
C3024
C3009
I, Q Lines
SAGC Line (Need to open heatsink)
119
SYS SET