50PG20D-AA (CHASSIS:PA81A) - LG TV Service Manual (repair manual). Page 23

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Power Voltage
 
BlockDiagram
5V
KIA78R33F  1A
(IC1001)
3.3V_ON
+3.3V-DOUGLAS
PQ018EZ02ZPH
0.23$
(IC1000)
+1.8V_DOUGLAS_DDR
1.8V_DOUGLAS_EN
SC4519STRT
600Khz,3A,0.41$
(IC1002)
+1.26V_DOUGLAS
1.26V_DOUGLAS_EN
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