No Power Flowchart - Sony KDL-60W855B Repair Manual

Rb2g chassis
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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
*For Part Number information, refer to
KDL-60W855B/70W855B
Yes
No
See Stanby
Yes
LED Blinking
Flowchart
No
Board*
"Section 4 - Exploded View/Part Number Information" on page
SECTION 2 - TROUBLESHOOTING
Press power button while
High (>2.5V)
monitoring Pin 28
Yes
on Pin 27 of CN6401
of CN6401 on
on Power Supply
Power Supply
Board?
No
High (3.3V)
Power Supply
Board*
momentarily?
Main Board*
19.
Board.
Yes
Power Supply
appears
Board*
No
8

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Kdl-70w855b

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