LG 50PJ340 Training Manual - Page 66
Y-Drive Board Layout
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Y-Drive Board Layout Y-DRIVE UPPER (TOP) Y-DRIVE LOWER (BOTTOM) Key Points of interest are; If the lugs for Floating Gnd and Scan are making contact with the Y-SUS board and the connector P205 or the one between Upper and lower P204/P110 are removed, the Y-SUS board will fail. Floating Ground is delivered to each of the Y-Drive boards by 2 screw lugs. Scan is delivered to each of the Y-Drive boards by 1 screw lugs. Each of the Y-Drive boards operate from Floating Ground, (no reference to Chassis Gnd). Floating Gnd 5V can be measured across C105 (Upper) or C205 (Lower). 66 July 2010 50PJ350 Plasma
66
July 2010
50PJ350
Plasma
Key Points of interest are;
If the lugs for Floating Gnd and Scan are
making contact with the Y-SUS board and the
connector P205 or the one between Upper and
lower P204/P110 are removed, the Y-SUS board
will fail.
Floating Ground is delivered to each of the
Y-Drive boards by 2 screw lugs.
Scan is delivered to each of the Y-Drive boards
by 1 screw lugs.
Each of the Y-Drive boards operate from
Floating Ground, (no reference to Chassis Gnd).
Floating Gnd 5V can be measured across C105
(Upper) or C205 (Lower).
Y
-
Drive Board Layout
Drive Board Layout
Y-DRIVE UPPER
(TOP)
Y-DRIVE LOWER
(BOTTOM)