Read Sony KDL-60EX640 / KDL-60EX645 Service Manual online
KDL-60EX640/60EX645 11
SECTION 3 - FLOW CHARTS AND DIAGRAMS
No Power
Is standby LED
blinking?
No
Yes
No
See protection
flowchart
Yes
Does red standby
LED on front panel
light?
High (>2.5V)
on pin 2 of CN2 on
power supply?
Yes
No
Main Board*
Press power
button while
monitoring pin 1
of CN2 on power
supply board
High (3.3V)
appears
momentarily?
Yes
No
Power Supply Board
Power Supply Board
Power Supply Board
Remove AC power and
wait at least 30
seconds before re-
applying
NO POWER FLOWCHART
*For Part Number information, refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
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