Stanby Led Blinking; 2 Times Blinking (Main Power Error); 3 Times Blinking (Dc Alert) - Sony XBR-55X850C Service Manual

3-3. STANDBY LED BLINKING

3-3-1. 2 Times Blinking (Main power Error)

2-time blinking
Check +12V_REG
at pin 13/15/17 of CN9000
on B* Board,
Voltage > 13.2V ?
No
B* Board
XBR-55/65X850C, 855C, 857C, 75X850C, 855C
Yes
G* Board

3-3-2. 3 Times Blinking (DC Alert)

BMFL/BMFW board
3-time blinking
NG
Check +5.0V_MAIN
at pin1 in IC8001, 4.959V
<Voltage<5.285V?
OK
TUNER
Go to Tuner check point
TROUBLE SHOOTING
DC_ALERT
IC9014,etc
(B* Board)
AUDIO
Go to Audio check point
HDMI
Go to HDMI check point
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