Standby Led Blinking - Sony KD-55S8500C Service Manual

TROUBLE SHOOTING

3-3. STANDBY LED BLINKING

3-3-1. 2 Times Blinking (Main power Error) 3-3-2. 3 Times Blinking (DC Alert)
BMFL/BMFW board
2-time blinking
3-time blinking
Check +12V_REG
DC_ALERT
Yes
at pin 13/15/17 of CN9000
G* Board
NG
Check +5.0V_MAIN
on B* Board,
IC9014,etc
Voltage > 13.2V ? at pin1 in IC8001, 4.959V
(B* Board)
<Voltage<5.285V?
No
OK
B* Board
AUDIO
Go to Audio check point
86
KD-55/65S8500C(CH)