Sony XR-55A75L Service Manual page 129

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TROUBLESHOOTING
5.3 CAS ID Unknown
Digital broadcasting
(terrestrial / satellite) cannot
be received. And the
message of Fig1 or Fig2 is
displayed on the screen.
Fig2. CAS ID Error (English)
Check harness
NG
connection between
B-board and Smart
Core*
OK
Change harness
OK
between B-board to
Smart Core* harness
NG
OK
Change Smart Core*
NG
Change B-board
Main device issue
Harness connection
issue
B-board to Smart Core*
harness issue
Smart Core* issue
*Smart Core = H-board (HY1 / HY2)
129
SYS SET

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