No Power Flowchart - Sony XBR-55X850A Repair Manual

NO POWER FLOWCHART

No Power
Remove AC power and
wait at least 30
seconds before
reapplying.
Does red
Standby LED on
front panel light?
Is Standby LED
blinking?
Power Supply
Board*
*For Part Number information, refer to
XBR-55X850A/65X850A
Yes
No
See Stanby
Yes
LED Blinking
Flowchart
No
"Section 4 - Exploded View/Part Number Information" on page
SECTION 2 - TROUBLESHOOTING
High (>2.5V)
Yes
monitoring Pin 28
on Pin 28 of CN6401
on Power Supply?
No
Power Supply
Board*
18.
Press power
button while
of CN6401 on
Power Supply
Board.
High (3.3V)
Power Supply
Yes
appears
Board*
momentarily?
No
Main Board*
8