Sony KDL-40EX725 Service Manual page 50

SECTION 5 - FLOW CHARTS AND DIAGRAMS
KDL-32EX725/40EX725/46EX725/55EX725
Unit Shuts OFF
RED LED
Blinking
5X Blink Pattern
TCON/HFR Error
Check LVDS connection
between
LCD Panel (TCON) & BATV Brds
Is
Repair
No
connection
Connection
OK?
Yes
Check
TCON 12V supply
Yes
Is 12V Replace
Present ?
TCON Board
No
Check TCON ON
Signal
Replace
Is 3V
Yes
Power Supply
Present ?
No
Replace
Main Board
FIGURE 5-6. 5 BLINK ERROR
Board
44