No Power Flowchart - Sony KDL-55W790B Repair Manual
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Also See for KDL-55W790B:
- I-manual (223 pages) ,
- Service manual (165 pages) ,
- Operating instructions manual (76 pages)
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SECTION 2 - TROUBLESHOOTING
NO POWER FLOWCHART
No Power
Substitute 19.5V AC
Adaptor with another.
Check STBY 3.3V
No
No
Yes
Is red light blinking
Is Pin 12 CN2001
Does TV turn ON?
Main Board*
Pin 12 CN2001
on 3.3 volts?
on front of TV?
LD Board.
Yes
Yes
No
See: Standby
LD Board
AC Adaptor*
LED Blinking
flowchart
*For Part Number information, refer to
"Section 4 - Exploded View/Part Number Information" on page
19.
KDL-55W790B/55W800B
8
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