Lm1 Power Block Optimization; Gp2R Vs Lm1 Power Block - LG 42PA4500 Service Manual

4. LM1 Power Block optimization.

1. GP2R vs LM1 Power Block.

17V
AP2191
USB
3.3V Multi
LDO (3A)
3.3V 3D
5.1V
LDO (3A)
1V 3D core
AOZ1073 3A
FET SW
3.3V Standby
St 5V
LDO(AP2121)
DC/DC : 4
GP2R Power Block
LDO : 7
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Only for training and service purposes
Amp
5V Tuner
TPS54231 2A
1.25V Tuner
LDO
1.8V 3D DDR
LDO
3.3V AVDD
2.5V
LDO (3A) LDO
1.5V DDR
AOZ1073 3A
1.26V Core
AOZ1073 3A
17V Amp
3.3V Multi
TPS54327(3A)
AP2191
5.1V
USB
1.24V core
1.5V DDR
TPS65253(3A)
3.3V ST
3.5V
AP2121
St.
DC/DC : 2
LM1 Power Block
LDO : 4
1.8V Tuner
LDO (1A)
1.25V _TU
LDO (1A)
2.5V
LDO (1A)
LGE Internal Use Only