50PS30FD-GA (CHASSIS:PE91A) - LG TV Service Manual (repair manual). Page 40

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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
+5V_ST
+3.3V_ST
+3.3V_AVDD_MPLL
+5V
+3.3V_AVDD
+3.3V_HDMI_ST
+3.3V_CI
+3.3V_ST
+5V
+3.3V_AVDD
+3.3V
+3.3V
+1.8V_DDR
VAVS_ON
5V_ON
R801
100
C823
0.1uF
C818
0.1uF
50V
P_16V
R803
100
R804
100
AC_DET
RL_ON/PWR_ONOFF
R800
22K
READY
C820
0.1uF
P_+5V
5V_MNT
P_12V
+5V_GENERAL
C846
10uF
READY
Q806
SI4925BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
RL_ON/PWR_ONOFF
R835
560
C845
10uF
16V
READY
R828
120K
READY
+5V
Q803
2SC3052
E
B
C
R829
10K
+5V_ST
R834
10K
P_+5V
GND
IC804
AZ1085S-3.3TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
GND
+1.8V_TU
+3.3V_TU
+5V_ST
+5V_ST
R836
10K
READY
R838
10K
+5V_ST
C827
0.1uF
16V
READY
C844
0.1uF
C814
0.1uF
16V
C865
0.1uF
16V
C803
0.1uF
16V
C801
0.1uF
16V
C883
0.1uF
16V
C826
0.1uF
16V
C852
0.1uF
16V
C811
0.1uF
16V
C866
0.1uF
16V
C816
0.1uF
16V
C815
0.1uF
16V
C877
0.1uF
16V
C808
0.1uF
16V
C824
0.1uF
16V
C854
0.1uF
C887
0.1uF
P_12V
C884
0.1uF
+5V_TU
R856
10K
READY
+5V_ST
L800
MLB-201209-0120P-N2
L801
MLB-201209-0120P-N2
L804
MLB-201209-0120P-N2
L805
L806
MLB-201209-0120P-N2
L808
L814
MLB-201209-0120P-N2
L817
C813
10uF
C890
10uF
6.3V
READY
C819
470uF
16V
C802
10uF
6.3V
C806
10uF
6.3V
C892
10uF
6.3V
READY
C829
10uF
6.3V
C850
10uF
6.3V
C891
10uF
6.3V
READY
C880
10uF
6.3V
READY
C810
10uF
READY
C800
10uF
6.3V
C878
10uF
6.3V
C888
10uF
6.3V
C893
10uF
6.3V
C896
10uF
6.3V
R858
0
R859
0
C821
100uF
16V
C825
100uF
16V
C831
0.1uF
C864
10uF
6.3V
C862
10uF
IC800
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
R861
75
1%
C830
10nF
50V
+5V_GENERAL
R831
10K
R826
0
R825
620K
1%
+1.26V_VDDC
R830
10
1%
R827
10K
READY
+5V_TU
C894
10uF
6.3V
C895
10uF
6.3V
READY
C843
10uF
6.3V
C849
10uF
6.3V
READY
C855
10uF
6.3V
READY
C832
10uF
6.3V
READY
P800
SMW200-24C
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
P_KEY
R805
100
C839
10uF
6.3V
READY
C837
10uF
6.3V
C834
0.1uF
+5V_ST
R824
360K
1%
R860
33
1%
L813
3.6uH
NR8040T3R6N
IC801
AP1117E33G-13 
2
OUT
3
IN
1
ADJ/GND
IC803
AP1117E18G-13 
2
OUT
3
IN
1
ADJ/GND
C840
10uF
6.3V
R866
0
R865
0
R864
0
R862
0
R863
0
C804
0.1uF
C805
0.1uF
16V
C807
0.1uF
16V
C809
0.1uF
16V
C812
0.1uF
16V
C838
10uF
C898
10uF
C860
10uF
6.3V
READY
C861
10uF
6.3V
READY
C857
220uF
16V
C858
220uF
16V
GND
GND
C899
0.1uF
16V
READY
0.1uF
C856
IC807
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
IC805
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C817
33uF
25V
C835
100uF
16V
C842
100uF
16V
C841
100uF
16V
C897
220uF
16V
R802
0
1/4W
C836
1uF
10V
L802
MLB-201209-0120P-N2
IC802
AP2121N-3.3TRE1 
1
GND
2
VOUT
3
VIN
L821
MLB-201209-0120P-N2
R868
1K
1%
R867
330
1%
TP1451
R837
2K
C828
330uF
4V
C885
0.1uF
16V
C889
10uF
6.3V
C822
10uF
6.3V
READY
+5V_USB
C851
0.1uF
R806
1K
1%
C847
10uF
6.3V
READY
P_12V
C848
0.1uF
R807
330
1%
IC808
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C870
100pF
50V
READY
C871
100uF
16V
Stand-by +3.3V
+3.3V_AVDD
320 mA
40 mA
650 mA
POWER
50 mA
+1.8V_DDR
450 mA
6    9
POWER B/D
+5V
$0.122
MAX 3A
S6 core 1.26 volt
465 mA @85% efficiency
Replaced Part
1600 mA
R2 = R1/(Vout/0.8-1)
C OUT
Placed on SMD-TOP
R1
MAX 3A
R2
MSD3369GV NZ Platfrom
Display
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