Samsung UE49NU7172U Service Manual page 42

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Description & Screws
6
Remove the DC VSS-PD BOARD.
(Please follow 5 sequence on right.)
CAUTION
Plz discharge SMPS before disconnect SMPS.
And Refer to available touch point.
A
<You can see
Point A : Can touch (2nd
GND & NO materials)
Point B : Don't touch (1st
Importand materials)
Before SMPS
disconnect, Use
discharge Jig on
this point for SMPS
discharge.
A
B
B
B
B
A
A
silk for touch>
Picture Description
1.
Remove power connector.
2.
Push and hold down BLU Connector Tab to release its
panel lock connection.
3.
Lift to Release the Lock Tab on Upper left side of
Board (Step 5 will assist).
4.
Locate a notch in insulation sheet (not all models).
5.
Use Open Tool in notch to help release & smoothly
slide SMPS Board to the Right. (While pushing BLU
Tab & Releasing Lock Tab)
3. Disassembly and Reassemble
3-9

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