Sony KD-43X720E - 3.1 LED Blinking: 2 x (Main power Error)

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3.1 LED Blinking: 2x (Main power Error)
2-time blinking
Check “+19.5_12.5V_MAIN”
at pin 15/16 of CN5500
on BB8 Board,
Voltage 12.2V -13.2V?
*Typical 12.7V*
Yes
No
BB8（G* Board model）
BB8 Board
G* Board
2-time blinking
Check “+19.5_12.5V_MAIN”
at pin 15/16 of CN5500
on BFX Board,
Voltage 16.44V – 23V ?
*Typical 19.5V*
Yes
No
BB8（AC adapter model）
BB8 Board
LD Board