LG 50PG20 Training Manual page 25

X Circuit Board Removal Continued
X Circuit Board Removal Continued
X Board Removal
(continued)
Lay the unit face down on non-scratch material. To prevent damage to the LVDS Cable, carefully remove the LVDS Cable
P121 from the Control Board by pressing the Locking Tabs together and pulling straight back to remove the cable see
illustration below.
(A) Remove the Stand mounting support plastic piece.
(B) Remove the Stand Metal Support Bracket, unplug AC ground lug.
(C) Remove the Decorative Black plastic piece over side inputs.
(D) Remove the two screws at the top of the Main PWB support bracket. Unplug Speaker and Front Input plugs and swing
the PWB out of the way.
(E) Remove both bottom black support braces 3 screws each.
(F) Remove the TCP Heat sink 9 screws and remove.
X DRIVE PWB Removal:
Disconnect all connectors going to each PWB that needs to be removed.
Left X Drive: P121, P101 through P104.
Center X Drive: P242, P241, P232 P211, P201 through P206.
Right X Drive: P331, P311, P503, P301 through P306.
Remove the 4 screws for each PWB and remove the PWB. One of the screws supports two PWBs.
Reassemble in reverse order. Recheck Va/Vs/VScan/-VY/Z-Drive.
Locking Tabs
LVDS Cable Connector Control PWB side
Plasma Spring 2009
25
Locking Tabs
50PG20