LG 42PT250B Service Manual page 32

LM1 Power flow
0.58A
P_17V
17V
1 2
RL_ON 15
5V_ON
17
0.3A
5 6
+5V
+5V
5A
7 8
0.034A
+5V_ST
5A
5Vst
13 14
Stby: 0.017A
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IC300
STA368BWG
3A
IC603
+3.3V
TPS54327
+7V
IC600
TPS54327
Speaker
Speaker
0.58A
3A
IC605
L605 +1.10V_VDDC
TPS54237
IC204
NL17SZ00
1.5A
IC206
AP2191
Side USB
0.3A
+3.3V_ST
IC602
IC602
AP2121N
AP2121N
CEC FET
Q203
IR
1.8mA
+3.3V_AVDD
0.18A
L600
+3.3V_AVDD
+5V
IC607 IC607
+5V_TU
AZ1117 AZ1117
+3.3V
2A
1A
+1.5V_DDR_IN
IC604 IC604
AP1117 AP1117
+3.3V_TU
L604
0.36A
+3.3V_CI
L600
0.18A
10mA
IC505
IC505
Serial
Serial
22mA
IC203 IC203
MAX3232 MAX3232
Reset
0.09A
1A
IC601 IC601
TJ3964
TJ3964
IC504
IC504
NAND NAND
IC503 IC503
NVRAM NVRAM
IC502
IC502
HDCP HDCP
0.1A
L500
VCC_1.5V_DDR
IC607 TU2101
IC607
+1.8V_TU
AP1117 Tuner
AP1117
IC601
+2.5V_AVDD
TJ3964S-2.5
2A
2A
2A
2A
2A
LGE Internal Use Only
LDO
+2.5V_AVDD
DCDC
IC
+5V_TU
IC500/1 IC500/1
VCC_1.5V_DDR
DDR3 DDR3
+1.10V_VDDC
+1.5V_DDR_IN
IC400
IC400
+3.3V_ST
LM1
LM1
+2.5V_AVDD
+3.3V_AVDD
PM4