Sony KDL-32EX729 Service Training Manual page 46

SECTION 5 - FLOW CHARTS AND DIAGRAMS
Power Error
"Standby" LED
illuminate steady
RED?
Confirm TV is
securely plugged into
an Active AC Outlet
110VAC Present
at CN6001
Check Main Fuse
F6101
Is Fuse
Open?
Check STBY 3.3V
(In STBY Mode)
voltage
3.3V
Present
KDL-32EX729/40EX729/46EX729
Is
Yes
No
OK
Is
No Repair AC Outlet or
Replace AC-Power Cord
?
Yes
Replace
Yes
Power Supply
Board
No
Is
Replace
No
Power Supply
Board
?
Yes
FIGURE 5-2. NO POWER FLOWCHART
Press Remote
Power Button
Does the
"Power" LED
No
Light Green
?
Press TV
Yes
Power Button
Initial Power-ON OK
Troubleshoot Video,
Backlight, Panel, or Audio
Problem
Does the
"Power" LED
Replace
Main Board
Check
AC-OFF-Detect
(In STBY Mode)
Is
Replace
voltage
No
Power Supply
3.3V
Present Board
?
Yes
Replace
Main Board
Replace
Yes
Remote Batteries or
Light? Remote
No
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