LG 42PG20 Training Manual page 14

DISASSeMBLy
A) Remove the sStand
mounting support
4
plastic piece.
B) Remove the stand
2
m e t a l s u p p o r t
bracket, unplug AC
ground lug.
P
C) Remove the 2 screws
from the decorative
G
black plastic piece
around side input
jacks (Marked B)
2
and remove.
D) R e m o v e t h e 2
0
screws at the top
of the Main board
Mounting Bracket and peel the tape from the
bottom. Remove connectors P303 and JK501.
Carefully reposition the main board and mounting
bracket up and off to the right side.
E) Remove the metal support brackets marked "E".
F) Remove the 13 screws holding the heat sink and
carefully lift it straight up and off (remember that
the TCP IC's are located under the heat sink).
Disconnect all TCP ribbon cables from the defective
X-Drive board and remove the 5 screws holding
the board in place. Reassemble in the reverse order.
Recheck Va/Vs/V-Scan/-VY/Z-Drive.
14
PDP Training - Fall 2008
Y-Drive
Y-sus & Z-Sus Drive
Left X-Board
F
Left X-Board
Right X-Board
Power Supply
Control (Logic)
B
E
A
A
Right X-Board
Press In
Z-Sus
Main (Digital)
C
D
E
Locking Tabs
Press In