Sony KDL-46HX823 Service Manual page 67

TROUBLE SHOOTING
3-4. STANDBY LED BLINK
1) 2 times blinking (Main Power Error)
2 times blinking
Check REG12V at
12V NG
NG
Replace
pins 2/3 of
Between G* Board to G* Board
CN6001 on
B* Board Harness
the B* Board
12V OK
OK
Harness
B* Board
67
KDL-46/55HX820,823,825(AEP/UK)