Samsung PS51E450A1W Service Manual page 33

CAUTION
Make sure to disconnect the power before working on the SMPS board.
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P owe r indica tor LED is on?
Ye s
Are the S MP S CN801 a nd Ma in CN201
conne cte d?
Ye s
Is th e Fus e (F8 01S ) of the S MP S P owe r
Input P a rt Ope n?
Ye s
S MP S CN801
P IN2 : S TB 5V
PIN1_P S ON : Che ck to s e e if it is 0V
Ye s
Re place the Main Boa rd.
No
Che ck AC powe r conne ction.
No
Conne ct the ca ble be twe e n
CN801 a nd CN201 conne ctor.
No
Re place Fus e . (F801S )
No
Re place the S MP S .
4. Troubleshooting
4-3