No Power Flowchart - Sony KDL-24R400A Repair Manual

NO POWER FLOWCHART

No Power
Unplug TV from
AC power. Wait at
least 20 seconds
and re-apply AC
power
Does red standby
LED on front panel
light steady?
Is standby LED
blinking?
Power Supply
Board
. *For Part Number information, refer to
KDL-24R400A/32R400A
Yes
No
See Standby
Yes
LED Blinking
flowchart
No
"Section 4 - Exploded View/Part Number Information" on page
SECTION 2 - TROUBLESHOOTING
Press power
button while
High (3.3V)
monitoring pin 4 of
on pin 4?
CN6401 on Power
Supply Board
High (3.3V)
on pin 6?
No
24"?
Power Supply
Yes
Press power
button while
High (3.3V) on
monitoring pin 3 of
CN2 on Power
Supply Board
High (3.3V) on
Power Supply
22.
Yes
Power Supply
Board
No
Yes
Main Board
No
Board
Yes
Power Supply
pin 3? Board
No
Yes
Main Board
pin 2?
No
Board
9