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KDL-50R555A/60R555A/70R555A 10
SECTION 2 - TROUBLESHOOTING
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 22
.
NO POWER FLOWCHART
No Power
Is standby LED
blinking?
No
Yes
No
See protection
flowchart
Yes
Does red standby
LED on front panel
light steady?
High (3.3V)
on Pin 3?
Yes
No
Main Board*
High (3.3V)
on Pin 6?
Yes
No
Unplug TV from
AC power. Wait at
least 20 seconds
and re-apply AC
power.
Press power
button while
monitoring Pin 3 of
CN2 on Power
Supply Board.
High (3.3V) on
Pin 3?
High (3.3V) on
Pin 2?
Yes
No
Power Supply
Board*
Power Supply
Board*
Yes
Power Supply
Board*
Power Supply
Board*
Main Board*
Power Supply
Board*
50"?
Yes
No
Press power
button while
monitoring Pin 3 of
CN6401 on Power
Supply Board.
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