5 Times Blinking (T-Con Error) - Sony KDL-50R550A Service Manual

3)

5 times blinking (T-Con Error)

5-time blinking
Check LVDS_VCC
at TP4010
on the Main board
>=11.4V
Check PANEL_EN# at U4006_pin6
on the Main board
>=2V
KDL-50R550A/556A, 60R520A/550A, 70R550A(CH)
<11.4V
Change Main board
<=2V
Change Main board
NG
Check the FFC(LVDS) Between
PSU and Panel
connection
OK
Replace the FFC(LVDS) Between
PSU and Panel
NG
OK
Change T-CON
NG
Change Panel
( TROUBLE SHOOTING )
Fix the FFC(LVDS)
connection
FFC(LVDS)
OK
FFC(LVDS) issue
T-CON
T-CON issue
32