LG 22LN45 Series Service Manual page 27

R801
11.10.27
100K
R803
36K
+19V
JK800 JP801
KJA-DC-1-0032
4
11.10.27
1000Hr->2000Hr
2
C820 111129
111129 47uF DEL
47uF
Discharging R DEL 25V
1
(0RJ2201J674)
JP800 12.03.08
EAE42868301(3225)->
EAE61081701(3216)
11.11.07
6604->6601
POWER_ON/OFF1
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
+3.3V_Normal
R806
10K
OPT R807
1K
OLP
OPT
Not used :
only for small(ready)
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
C818
0.1uF
50V
C807
0.1uF
16V IC809
[EP]GND MP1584EN
L802 10uH
BST SW
8 1
VIN EN C812 C840
7 2
47uF 10uF
25V 10V
11.11.14
C803 FREQ COMP
6 3 0CE476WH6DC(1000hr)->
10uF
25V EAE61423901(2000hr)
R851 11.10.27
47K 1%
GND FB
5 4
2K 1%
R855
R819
0
C869
11.11.28
220pF
1.2K->2K
OPT
R838
50V
C808
15K
150pF
1%
50V
R816
68K
19V TO 5V DCDC CONVERTER
MULTI_ON R800
100K 1%
R802
4.7K 11.11.29
0.047uF->0.033uF
OPT 150K->180K
C811
0.47uF IC800
16V
MP1472GJ-C452-Z
OPT 11.11.07
C835
C868 0->47 R884
0.033uF
0.01uF R888 180K L803
50V
50V 47 BST SS
8 1
IN EN
7 2
11.11.14
C804
C810 0CE476WH6DC(1000hr)->
10uF 0.1uF SW COMP
EAE61423901(2000hr)
6 3
25V 50V
R891
GND FB
47K
5 4
11.11.07
0->47K
C832
4700pF
11.11.14
50V
C845
2200pF->4700pF
330pF
10K->8.2K
50V
150pF->330pF
R818
8.2K
OPT 19V TO 12V DCDC CONVERTER
R804
MULTI_ON
100K 1%
R805 11.11.29
POWER_ON/OFF1 0.047uF->0.033uF
4.7K
150K->180K
IC802
C813 MP1472GJ-C452-Z
11.11.07
0.47uF
0->47 C838
C825 R885
16V
0.033uF
0.01uF
OPT R869 180K
50V 47 BST SS 50V
8 1
IN EN
7 2
11.11.14
C800
C806 0CE476WH6DC(1000hr)->
10uF 0.1uF SW COMP EAE61423901(2000hr)
6 3
25V 50V
12.03.08 R892
EAE42868301(3225)-> GND FB 47K
5 4
EAE61081701(3216)
11.11.07
0->47K
C833
4700pF
11.11.14 50V
C847
2200pF->4700pF
330pF
10K->8.2K 50V
150pF->330pF R820
8.2K
AMP_VCC Control AO3407A Vgs : 10.8V(24V input)
AO3407A Vgs : 10.36V(19V input)
OPT
OPT
C801
C809
C839
R880
10uF 0.1uF
2.2uF
10K
25V 50V
Q807
50V
AO3407A
12.03.08 S
EAE42868301(3225)->
G
EAE61081701(3216)
R821
12K
D
CPI2520NHL3R3ME 2520
C
R810
MULTI_ON C834
10K
B Q806
0.01uF
MMBT3904(NXP)
50V
E
R836
10K
111116
EBK61011501(Diode)
->EBK38029201(Rohm)
+3.3V_ST
->EBK61913601(NXP) 3.3V drive
+3.3V_ST
R857 OPT
0
R875 C890
22K 4.7uF
10V
111116
10K->22K
C814 POWER_ON/OFF1 1K->100
0.1uF VOLTAGE HIGHER
50V R874
11.11.05
100
C
R870
100K B Q804
POWER_ON/OFF1
MMBT3904(NXP)
OPT
E
R873
10K
11.12.01
LDO change
EAN56716601 (5A)
->EAN54428101 (1A)
11.12.20
LDO change
EAN54428101 (1A) adj
->EAN54428601
+5V_Normal
+5V_USB
IC803
R860 R808
12.03.08
AP1117E33G-13
0 0
EAE61081701(25V)->
10uH
EAE52158501(10V)
IN
3
OPT
C852
C858 OUT
C861
47uF
10uF
0.1uF
25V C836 C837
10V
50V 10uF
0.1uF
10V 50V
R834
33K 1%
12K 1%
R845
R824
0
R825
10K
1%
+12V_Normal
R863
0
L805
10uH
OPT
C859 C863
C853
47uF 10uF 0.1uF
25V 25V 50V
R835
120K
1% 0
R826 R846
2012.08.12
0 5%
R835 : 33k -> 120k
R846 : 12K -> 0
R827
10K
1%
120915
MP1584->MP1472
AMP_VCC
+19V_SCART
+19V_AMP_VCC
R856
0
L807 3.3uH
C860 C865
10uF 0.01uF
25V 50V
+3.3V_AMP
R866
0
+3.3V_Normal
S
C895
G
0.1uF
50V
IC810
PMV48XP
D
AP2114H-2.5TRG1
Q805
C891
VIN VOUT
GND OPT
1uF
C896
R877
25V
10uF 1
10V
OPT
C897
10uF
10V
+1.8V_TUNER
R868
IC805
(1A) 3.3v
AP1117E18G-13 0
IN ADJ/GND
3 1
+3.3V_TUNER
OPT
2 C892
R872 C894
1uF
OUT 1 0.1uF
R864
10V
50V
ADJ/GND
1 0
C856
10uF
2
10V
C843
R865
1uF
1
10V
OPT
C842 C906
10uF 0.1uF
5V TO 1.15V DCDC CONVERTER
10V 50V
M1 Core
OPT
R811
MULTI_ON
100K 1%
R812
POWER_ON/OFF1
4.7K
IC806
C819
+12V_Normal 0.47uF MP1472GJ-C452-Z
11.11.07
16V
C830 0->47
OPT
0.01uF
R871
50V 47 BST
8
R813
0
IN
7
C802
C816
SW
10uF 0.1uF
6
10V 50V
GND
5
11.11.07
R822 68K->1.8K
C841 4700pF->8200pF
3.3V TO 1.5V LDO
IC807
TJ4220GDP-ADJ
NC_1
1
R817
POWER_ON/OFF1
4.7K EN2
2
C817
VIN3
0.1uF
+3.3V_AMP 3
50V
OPT
NC4
11.11.29 4
Diode DEL
0DSKE00048A
C805
+3.3V_ST
R879 10uF
0
10V
R814
0
OPT
R887
MHL_CD_SENSE 4.7K 5%
19V TO 5V DCDC FOR MHL
MULTI_ON R903
100K 1%
OPT
R904
POWER_ON/OFF1
4.7K
OPT
C878
0.47uF IC808
16V
MP1472GJ-C452-Z
OPT 11.11.07
C872 0->47
0.01uF R890
+19V 50V 47 BST
8 1
IN
7 2
C870
C893
10uF 0.1uF SW
6 3
25V 50V
12.03.08
EAE42868301(3225)-> GND
5 4
EAE61081701(3216)
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
PANEL POWER CONTROL
+12V_Normal
+12V_PANEL_POWER
R886
+2.5V_Normal
0
R878
Q803
AO3407A
OPT
0
S
C879
R842
G
4.7uF
22K
10V
12.07.17
ZXMP3F30FHTA
D
C898
10K->22K
OPT ->AO3407A
4.7uF
10V C899 11.11.15
1uF
0.1uF C882
25V
50V R843
1K
C
R839
PANEL_CTL
4.7K B Q802
MMBT3904(NXP)
E
R840
10K
111116
Panel switch deletion
111201
Panel switch recover
+1.15V_VDDC
11.11.07
0.1uF->0.22uF
R882
0
OPT
C846
R898 L806
0.22uF
16V 180K 10uH
SS
1
OPT
EN
C855 C862
2 C866
47uF
10uF
11.11.14 0.1uF
25V
10V
0CE476WH6DC(1000hr)-> 50V
COMP
3 EAE61423901(2000hr)
R841
R893
FB 1% 2K
47K
4
220 1%
11.11.07
OPT
R848
0->47K C881
560->220 47pF
C841
50V
8200pF
OPT 12.08.10
25V
C850
150pF
50V
R822
10K->8.2K
1.8K
[EP]GND
+1.5V_DDR
GND
8
R881
ADJ/SENSE 1% 5% 0
7
C857
10K 0
0.01uF
R844 R849
VOUT
50V
6
OPT
NC_2
C864
C867
5
10uF 0.1uF
10V
50V
11.11.29
0.047uF->0.033uF
150K->180K
+5V_ST
R901
12.03.08
C889
R894 0
EAE61081701(25V)->
0.033uF
180K L801 10uH
EAE52158501(10V)
50V
SS
OPT
EN C875
C876
C877
47uF
10uF
0.1uF
11.11.14 25V
10V
0CE476WH6DC(1000hr)-> 50V
COMP
EAE61423901(2000hr)
R889
R899
33K 1%
FB
47K
11.11.07
12K 1%
0->47K
R900
R896
0
C873
4700pF
R897
50V
C874
10K
330pF
1%
50V
R895
8.2K
EAX65077401
NC4_S7LRM 2012.08.25
POWER
8 12
LGE Internal Use Only