Read Sony KDL-50W790B Service Manual online
KDL-50W790B 8
SECTION 2 - TROUBLESHOOTING
NO POWER FLOWCHART
No Power
Yes
No
See: Standby
LED Blinking
flowchart
Does TV turn ON?
Is red light blinking
on front of TV?
Yes
No
AC Adaptor*
Substitute 19.5V AC
Adaptor with another.
Main Board*
Check STBY 3.3V
Pin 12 CN2001
LD Board.
Is Pin 12 CN2001
on 3.3 volts?
Yes
LD Board*
No
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 19
.
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