Read LG 15EL950N-ZA / 15EL9500-ZA (CHASSIS:OD01J) Service Manual online
THERMAL
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.
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
+3.3V_HDMI_ST
Q802
2SC3052
C830
0.1uF
16V
0.1uF
16V
C827
10uF
6.3V
6.3V
+1.8V_AMP
C861
0.1uF
16V
0.1uF
16V
C860
0.1uF
16V
0.1uF
16V
C806
0.01uF
25V
25V
C810
0.1uF
16V
0.1uF
16V
+12V_LOGIC
C850
10uF
10uF
6.3V
C821
0.1uF
16V
0.1uF
16V
IC803
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C832
0.1uF
16V
0.1uF
16V
+12V
IC800
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
+3.3V_ST
+12V_PANEL
L809
3.6uH
C852
0.1uF
16V
0.1uF
16V
+5V_ST
C816
10uF
10V
10uF
10V
+3.3V_ST
+3.3V_AVDD_MPLL
R826
39K 1%
R1
C802
10uF
10uF
6.3V
C829
0.1uF
16V
0.1uF
16V
+1.8V_MEMC
C844
0.1uF
16V
0.1uF
16V
IC804
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
C801
0.1uF
16V
0.1uF
16V
LOGIC_POWER_ON
C800
10uF
10V
10uF
10V
R832
10K
+5V_GENERAL
+12V
+12V
Q804
2SC3052
C853
1uF
16V
1uF
16V
L811
120-ohm
C841
10uF
10V
10uF
10V
L810
120-ohm
+5V_GENERAL
+3.3V
R831
10
1%
+3.3V_AVDD
+3.3V_ST
IC801
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
PANEL_POWER_ON
C805
10uF
6.3V
Q800
2SC3052
2SC3052
E
B
C
R837
56K 1/10W 1%
IC806
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C878
1uF
10V
L817
3.6uH
NR8040T3R6N
+3.3V
R836
18K
1/10W
1%
C881
0.1uF
50V
C882
10uF
6.3V
C866
560pF
50V
OPT
C883
0.1uF
16V
0.1uF
16V
R838
10
1/10W
1%
R842
0
D804
100V
1N4148W_DIODES
OPT
C871
10uF
10uF
6.3V
0.1uF
C872
16V
OPT
R852
33K
1/10W
1%
R844
1K
C869
1uF
16V
16V
R846
27K
1/10W
1%
R845
30K
1/10W
1%
C868
10uF
10uF
6.3V
+1.8V_MEMC
C885
0.01uF
25V
+5V_GENERAL
IC809
APE8953MP
3
VOUT_1
2
FB
4
VOUT_2
1
GND
5
VIN
6
VCNTL
7
POK
8
EN
C887
10uF
10uF
6.3V
C889
10uF
10uF
6.3V
+1.26V_MEMC
+3.3V
R829
10K
1/10W
R848
9.1K
9.1K
1%
C877
0.47uF
25V
0.47uF
25V
R841
3.3K
3.3K
C875
0.1uF
16V
0.1uF
16V
+3.3V
IC807
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C892
0.1uF
16V
0.1uF
16V
C874
10uF
10uF
10V
+1.8V_DDR
R847
12K
1%
C899
100pF
50V
R825
22K
1%
C842
22uF
22uF
10V
OPT
R823
10K
1/16W
OPT
C838
22uF
22uF
10V
L816
3.6uH
NR8040T3R6N
C849
22uF
OPT
C845
22uF
22uF
10V
R890
22K 1%
+5V_GENERAL
+1.26V_VDDC
IC805
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C840
1uF
10V
C839
0.1uF
50V
R821
10
1/10W
1%
R822
75K
75K
1/8W
1%
C891
0.47uF
25V
0.1uF
C856
R862
0
L821
3.6uH
NR8040T3R6N
+12V
+5V_EXT
L814
120-ohm
C814
100pF 50V
C818 100pF 50V
+5V_GENERAL
R827
30K
1%
1%
R2
C822
1000pF
50V
50V
C824
1000pF
50V
50V
L895
BLM18SG121TN1D
IC810
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R856
47K
47K
1%
R857
5.6K
5.6K
1%
R858
10K
10K
1%
R853
18K
C854
2200pF
50V
2200pF
50V
C873
0.1uF
16V
0.1uF
16V
C843
22uF
10V
22uF
10V
C859
22uF
10V
C863
22uF
10V
OPT
R830
0
C855
0.1uF
50V
0.1uF
50V
Q806
AO4813
3
S1
2
G2
4
G1
1
S2
5
D1_1
6
D1_2
7
D2_1
8
D2_2
C846
22uF
10V
22uF
10V
OPT
L812
CIC21J501NE
L896
BLM18PG121SN1D
L813
CIC21J501NE
R954
22
1/16W
5%
L897
4.7uH
SP-7850_4.7
R951
6.8K
1%
R950
120K
120K
1%
C971
1uF
25V
1uF
25V
+12V
C967
0.1uF
50V
0.1uF
50V
IC812
Si4800BDY
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
+24V
C974
0.1uF
50V
R952
1.6K
1/8W
1%
IC811
MP8670DN-LF-Z
3
VCC
2
BST
4
BG
1
SW
5
GND
6
FB
7
EN/SYNC
8
IN
C970
1uF
50V
1uF
50V
+12V
C811
0.1uF
16V
0.1uF
16V
R898
18K
+5V_ST
R894
100K
100K
C879
0.1uF
50V
R893
200K
200K
1/8W
1%
1%
L894
3.6uH
NR8040T3R6N
IC893
MP4460DQ-LF-Z
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
11
EP_GND
C894
220pF
220pF
50V
C897
10uF
10V
10uF
10V
D802
MBRA340T3G
C898
0.1uF
50V
0.1uF
50V
R824
68K
1/16W
5%
C808
0.1uF
50V
0.1uF
50V
C896
10uF
10V
10uF
10V
R895
22
C809
3.3uF
50V
3.3uF
50V
+24V
R953
10K
POWER_ON
+5V_ST
+5V_GENERAL
POWER_ON
L805
500
C837
0.1uF
16V
16V
Q801
2SC3052
Q807
AO3407A
G
D
S
C834
10uF
10V
10uF
10V
C807
0.1uF
16V
16V
R955
200K
200K
1/16W
1%
1%
R896
47K
1/16W
1%
R897
51K
51K
1/16W
1%
1%
R854
100K
100K
R839
10K
C888
22uF
22uF
10V
C884
22uF
10V
22uF
10V
C865
22uF
10V
22uF
10V
R805
10K
10K
R812
10K
10K
R811
10K
R809
33K
R810
10K
OPT
R
8
1
5
4
7
0
K
R
8
1
9
4
7
0
K
R
8
1
6
3
0
K
R801
30K
OPT
R803
120K
OPT
R804
10K
10K
R
8
1
3
1
0
K
R
8
0
6
5
6
0
C819
10uF
10V
10uF
10V
OPT
C876
22uF
10V
22uF
10V
C972
22uF
16V
22uF
16V
C973
22uF
16V
22uF
16V
C969
10uF
35V
10uF
35V
C815
22uF
16V
22uF
16V
R
8
2
0
3
3
0
K
L801
CB3216UA121
R956
4.7
4.7
Power
7 9
OLED
09.08.31
Cout
Cin
+1.8V_MEMC for DDR
STAND-BY +3.3V
Close to IC
FROM ADAPTER TO MAIN BOARD
Placed on SMD-TOP
Vout=0.8*(1+R1/R2)
Placed on SMD-TOP
Vout=0.8*(1+R1/R2)
R2
R1
Placed on SMD-TOP
Close to IC
+3.3V
R1
Vout=0.8*(1+R1/R2)
600 mA
R2
Placed on SMD-TOP
R1/R2 = 12K/20K => Vout=1.28
+1.26V Core for URSA
Placed on SMD-TOP
1.5mA
R1/R2 : 15K / 12K => Vout=1.80
R1/R2 : 27K / 20K => Vout=1.88
+1.8V for Saturn6 DDR
R1/R2 : 12K / 9.1K => Vout=1.85
+5V_ST
Replaced Part
S6 core 1.26V volt
Close to IC
3A
C IN
R2
Placed on SMD-TOP
2026 mA
Placed on SMD-TOP
Vout=0.8*(1+R1/R2)
R1
Vout=0.8*(1+R1/R2)
+5V_Normal
2A
24V->12V
$0.37
Placed on SMD-TOP
R1
real output : 12.3V
close to IC811
R2
$0.12
Vout = ((R1+R2)X0.8)/R2
Switching noise reducing [MPS recommend]
close to pin
$0.21
Placed on SMD-TOP
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