KDL-40W590B, KDL-40W600B, KDL-48W590B, KDL-48W600B - Sony TV Service Manual (repair manual). Page 12

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KDL-40W590B/40W600B/48W590B/48W600B 8
SECTION 2 - TROUBLESHOOTING
NO POWER FLOWCHART
No Power
Yes
No
See Standby LED
Blinking chart 
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 13 CN2001
LD Board.
Is Pin 13 CN2001
on 3.3 volts?
Yes
LD Board*
 
*For Part Number information, refer to 
“Section 4 - Exploded View/Part Number Information” on page 17
.
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