Read LG 50PA4500-UM / 50PA450C-UM (CHASSIS:PU23A) Service Manual online
4. LM1 Power Block optimization.
1. GP2R vs LM1 Power Block.
5.1V
17V
1.24V core
1.5V DDR
TPS65253(3A)
AP2191
USB
3.5V
St.
St.
3.3V ST
AP2121
AP2121
LM1 Power Block
Amp
1.26V Core
AOZ1073 3A
1.5V DDR
AOZ1073 3A
2.5V
LDO
3.3V AVDD
LDO (3A)
1.25V Tuner
LDO
3.3V Standby
LDO(AP2121)
FET SW
GP2R Power Block
5.1V
17V
St 5V
5V Tuner
TPS54231 2A
Amp
3.3V Multi
LDO (3A)
1V 3D core
AOZ1073 3A
3.3V 3D
LDO (3A)
1.8V 3D DDR
LDO
AP2191
USB
DC/DC : 4
LDO : 7
DC/DC : 2
LDO : 4
3.3V Multi
TPS54327(3A)
1.25V _TU
LDO (1A)
1.8V Tuner
LDO (1A)
2.5V
LDO (1A)
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