Sony KDL-22EX355 Service Training Manual page 21

No Power
Does red standby
LED on front panel
light?
Is standby LED
blinking?
Power Supply
Board*
*For Part Number information, Refer to
KDL-22EX355/32EX355/40EX455
SECTION 3 - FLOW CHARTS AND DIAGRAMS
Press power
button while
Yes
monitoring pin 4 of
CN6401 on power
supply board
No
See
Yes
Protection Shutdown
flowchart
No
"Section 4 - Disassembly/Part Number Information" on page
High (3.3V)
on pin 4?
No
High (3.3V)
on pin 1?
No
Power Supply
Board*
NO POWER FLOWCHART
16.
Yes
Power Supply
Board*
Yes
Main Board*
12