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LG 42PJ650 Service Manual page 29

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POWER B/D
+5V_ST
R837
2K
R801
100
RL_ON/PWR_ONOFF
C805
0.1uF
+5V_ST
16V
R838
R803
10K
100
MODULE_ON
C807
0.1uF
16V
Stand-by +3.3V
+5V_ST
IC802
AP2121N-3.3TRE1
VIN
VOUT
3
2
1
C802
C803
GND
C806
10uF
10uF
0.1uF
16V
16V
+3.3V_AVDD
+5V
IC801
AP1117E33G-13
ADJ/GND
IN
3
1
2
OUT
C800
C801
C842
10uF
0.1uF
100uF
6.3V
16V
16V
+3.3V
+1.8V_DDR
IC800
AZ1085S-ADJTR/E1
INPUT
OUTPUT
3
2
1
ADJ/GND
C878
C883
10uF
0.1uF
6.3V
16V
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
POWER
P800
SMAW200-H18S1
L801
MLB-201209-0120P-N2
1
2
3
4
5
6
L800
7
8
C813
MLB-201209-0120P-N2
10uF
16V
9
10
11
12
R804
13
14
0
C837
15
16
10uF
16V
17
18
19
+3.3V_ST
+3.3V_AVDD_MPLL
+3.3V_ST
R858
0
C815
0.1uF
16V
C892
C808
+3.3V_HDMI_ST
10uF
0.1uF
16V
6.3V
16V
R859
READY
0
C816
0.1uF
16V
320 mA
+3.3V_AVDD
+3.3V_AVDD
IC803
AP1117E18G-13
IN
ADJ/GND
3
1
2
C814
OUT
0.1uF
16V
C811
C888
10uF
0.1uF
16V
C841
6.3V
100uF
16V
450 mA
+1.8V_DDR
C893
C880
C877
10uF
10uF
0.1uF
6.3V
6.3V
16V
R861
READY
75
1%
P_17V
+5V
P_+5V
C818
C817
0.1uF
100uF
50V
25V
C890
C804
C820
10uF
470uF
0.1uF
6.3V
16V
READY
PSU_ERR_DET
C809
+5V_ST
16V
0.1uF
READY
C839
C835
C834
10uF
100uF
0.1uF
6.3V
16V
READY
AC_DET
RL_ON/PWR_ONOFF
C812
16V
0.1uF
+5V
C829
10uF
16V
S6 core 1.26 volt
50 mA
+1.8V_TU
L805
C889
C827
C824
C822
C825
10uF
10uF
0.1uF
0.1uF
100uF
6.3V
6.3V
16V
16V
16V
READY
READY
MLB-201209-0120P-N2
Placed on SMD-TOP
+5V_ST
+5V_ST
P_+5V
C854
0.1uF
Q806
SI4925BDY
R856
R834
10K
10K
READY
S1
1
8
D1_2
G1
2
7
D1_1
S2
3
6
D2_2
R835
560
Q803
G2
4
5
D2_1
C
2SC3052
B
R829
10K
R828
E
120K
READY
L806
MLB-201209-0120P-N2
C826
C885
0.1uF
0.1uF
16V
16V
GND
IC804
AZ1085S-3.3TR/E1
+3.3V_CI
MAX 3A
L814
INPUT
MLB-201209-0120P-N2
OUTPUT
3
2
$0.122
1
ADJ/GND
C852
0.1uF
16V
C831
0.1uF
GND
0
R862
C850
10uF
6.3V
GND
+5V_GENERAL
465 mA @85% efficiency
P_+5V
MAX 3A
R831
Replaced Part
L802
READY
10K
R827
C899
READY
10K
R2 = R1/(Vout/0.8-1)
0.1uF
16V
IC805
READY
MP2212DN
R824
50V
360K
R1
100pF
C870
1%
FB
EN/SYNC
1
8
R825
L813
620K
R2
3.6uH
GND
SW_2
2
7
1%
NR8040T3R6N
IN
SW_1
3
6
C843
10uF
6.3V
BS
VCC
C830
4
5
C838
C898
0.01uF
10uF
10uF
50V
16V
16V
R830
10
C836
1uF
1%
10V
+5V
L817
C865
C862
C857
0.1uF
10uF
220uF
16V
16V
16V
+5V_GENERAL
L808
C864
C866
C858
10uF
0.1uF
220uF
16V
16V
16V
+3.3V_TU
C828
68uF
10V
40 mA
+3.3V
650 mA
C891
C897
C844
10uF
220uF
0.1uF
6.3V
6.3V
READY
GND
+1.26V_VDDC
TP1451
1600 mA
R802
0
1/4W
C OUT
C894
C896
C856
10uF
10uF
0.1uF
6.3V
6.3V
READY
MSD3368EV Platform
POWER
7
10

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