Samsung DV316LGW/XAA Service Manual page 46

-If you plug in the power cord and turn Power S/W on, memorized data is displayed.
If any data is not displayed, check the followings.
No Power ON
The Voltage Of
Betweenⓐand ⓑIs
As Big As 12V?
Yes
The Voltage Of
Betweenⓒand ⓓ Is
As Big As 12V?
Yes
The Voltage Of
Betweenⓔand ⓓ Is
As Big As 5V?
Yes
No
Check The Trans
Check The Diode
No
(D11,D12,D16,D17,D18)
And Condenser(CE3)
No
Exchange IC3(7805) And Check
The Condenser(CE5)
6-3