LG Electronics 29LN45**-Z* Flat Panel Television User Manual


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THERMAL
THERMAL
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.
POWER
+2.5V_Normal
C850
150pF
50V
OPT
+3.3V_ST
C866
0.1uF
50V
+3.3V_Normal
R877
1
OPT
R865
1
R846
12K
1%
MULTI_ON
C824
0.01uF
50V
(BR)FULL_NIM
PANEL_CTL
POWER_ON/OFF1
C819
0.47uF
16V
OPT
R842
33K
C852
47uF
25V
R892
47K
R818
8.2K
C838
0.033uF
50V
C848
330pF
50V
C841
8200pF
25V
C869
220pF
50V
C808
150pF
50V
OPT
R893
47K
C827
0.1uF
50V
(BR)FULL_NIM
C844
0.033uF
50V
+3.3V_ST
MULTI_ON
C842
10uF
10V
C832
4700pF
50V
R845
12K
1%
C898
4.7uF
10V
C833
4700pF
50V
+1.23V_TUNER
R803
36K
R823
47
C896
10uF
10V
R872
1
C839
2.2uF
50V
IC800
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
C821
0.1uF
50V
R874
100
R821
12K
L803 10uH
R870
100K
+1.5V_DDR
R852
120K
1%
C806
0.1uF
50V
C897
10uF
10V
OPT
R835
33K
1%
C835
0.033uF
50V
R855
2K
1%
C809
0.1uF
50V
OPT
R875
22K
C862
10uF
10V
OPT
C810
0.1uF
50V
IC805
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
C811
0.47uF
16V
OPT
IC806
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
C814
0.1uF
50V
R891
47K
L800
10uH
R832
1K
1%
D805
40V
SMAB34
(BR)FULL_NIM
R829
180K
R858
2.7K
1%
(BR)FULL_NIM
C851
10uF
25V
OPT
C836
10uF
10V
+3.3V_AMP
R815
300K
IC810
AP2114H-2.5TRG1
GND
VOUTVIN
R809
10
R807
1K
OPT
C815
10uF
25V
R830
0
R816
68K
R885
180K
Q804
MMBT3904(NXP)
E
B
C
+19V_AMP_VCC
R841
2K
1%
C826
10uF
10V
(BR)FULL_NIM
R819
0
+12V_Normal
C822
0.47uF
16V
OPT
IC802
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
C854
0.1uF
50V
IC804
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
R836
10K
OLP
JK800
KJA-DC-1-0032
1
2
4
R812
4.7K
IC801
TJ4220GDP-ADJ
(BR)FULL_NIM
3
VIN3
2
EN2
4
NC4
1
NC_1
5
NC_2
6
VOUT
7
ADJ/SENSE
8
GND
9
[EP]GND
R884
180K
JP801
C807
0.1uF
16V
C818
0.1uF
50V
C879
4.7uF
10V
OPT
+3.3V_AMP
IC807
TJ4220GDP-ADJ
3
VIN3
2
EN2
4
NC4
1
NC_1
5
NC_2
6
VOUT
7
ADJ/SENSE
8
GND
9
[EP]GND
R805
4.7K
R810
10K
R851
47K
1%
POWER_ON/OFF1
R814
0
OPT
L802 10uH
R824
0
C837
0.1uF
50V
IC2602
MP1584EN
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
R822
1.8K
POWER_ON/OFF1
R869
47
+19V
C825
0.01uF
50V
C906
0.1uF
50V
OPT
R843
2K
R873
10K
OPT
+5V_Normal
R879
0
R862
13K
1%
(BR)FULL_NIM
R833
10K
1%
Q802
MMBT3904(NXP)
E
B
C
+12V_Normal
C867
0.1uF
50V
OPT
R802
4.7K
OPT
C812
47uF
25V
R837
47K
MULTI_ON
C894
0.1uF
50V
OPT
C803
10uF
25V
C868
0.01uF
50V
POWER_ON/OFF1
C830
0.01uF
50V
JP800
C813
0.47uF
16V
OPT
R871
47
C855
47uF
25V
C895
0.1uF
50V
+5V_Normal
Q807
AO3407A
G
D
S
R838
15K
1%
R801
100K
POWER_ON/OFF1
C853
47uF
25V
C820
47uF
25V
R811
100K1%
OPT
R817
4.7K
R839
4.7K
Q806
MMBT3904(NXP)
E
B
C
C802
10uF
10V
+5V_USB
MULTI_ON
+12V_PANEL_POWER
+1.8V_TUNER
L805
10uH
C845
330pF
50V
+3.3V_Normal
MULTI_ON
R820
8.2K
C849
47uF
25V
C856
10uF
10V
+1.15V_VDDC
C804
10uF
25V
C805
10uF
10V
R859
30K
1%
(BR)FULL_NIM
TEST-POINT
R844
10K
1%
C892
1uF
10V
Q805
PMV48XP
G
D
S
R806
10K
OPT
R849
0
5%
C817
0.1uF
50V
OPT
C861
0.1uF
50V
C816
0.1uF
50V
L807
CPI2520NHL3R3ME 2520
3.3uH
C863
0.1uF
50V
C881
47pF
50V
OPT
C823
0.1uF
50V
OPT
R804
100K1%
OPT
R800
100K1%
R867
4.7K
1%
(BR)FULL_NIM
R898
180K
OPT
C891
1uF
25V
R847
0
R813
4.7K
C899
0.1uF
50V
OPT
R888
47
C829
0.01uF
50V
C800
10uF
25V
R840
10K
D802
40V
SMAB34
+3.3V_ST
C847
330pF
50V
L806
10uH
C890
4.7uF
10V
OPT
C857
0.01uF
50V
C828
10uF
10V
(BR)FULL_NIM
R827
10K
1%
POWER_ON/OFF1
C831
4700pF
50V
C843
1uF
10V
R826
0
R850
10K
1%
R828
8.2K
C840
10uF
10V
C864
10uF
10V
R880
10K
C801
10uF
25V
OPT
R854
0
OPT
+3.3V_TUNER
C859
10uF
10V
OPT
C846
0.22uF
16V
R825
10K
1%
R834
33K
1%
C882
1uF
25V
R808
100K1%
OPT
IC803
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
C858
10uF
10V
OPT
C870
10uF
25V
R853
0
5%
R831
10K
5%
R848
560
1%
R889
0
C834
0.01uF
50V
C865
0.01uF
50V
Q803
AO3407A
G
D
S
8 13
6604->6601
111116
10K->22K
1K->100
12.03.08
EAE61081701(25V)->
EAE52158501(10V)
11.11.28
1.2K->2K
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
111129
47uF DEL
1000Hr->2000Hr
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
11.11.29
0.047uF->0.033uF
150K->180K
11.10.27
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
11.11.29
Diode DEL
0DSKE00048A
11.11.07
0->47K
PANEL POWER CONTROL
11.12.01
LDO change
EAN56716601 (5A)
->EAN54428101 (1A)
EBK38029201(Rohm)
EBK61011501(Diode)
EBK60752501(AOS)
Not used :
only for small(ready)
11.11.07
0->47
11.12.20
LDO change
EAN54428101 (1A) adj
->EAN54428601 (1A) 3.3v
19V TO 5V DCDC CONVERTER
11.11.07
0->47
11.12.22
Maker:Rohm->Diode
Supply issue
due to Typoon
12.11.18
MP issue(burn)
11.11.07
0->47K
11.11.15
Maker:Diode->Rohm
111116
Panel switch deletion
111201
Panel switch recover
AMP_VCC Control
11.10.27
AMP_VCC
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
11.10.27
AO3407A Vgs : 10.8V(24V input)
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
3.3V TO 1.5V LDO
11.11.05
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
AO3407A Vgs : 10.36V(19V input)
POWER_ON/OFF1
VOLTAGE HIGHER
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
11.11.29
0.047uF->0.033uF
150K->180K
111129
Discharging R DEL
(0RJ2201J674)
19V TO 5V DCDC CONVERTER
111116
EBK61011501(Diode)
->EBK38029201(Rohm)
->EBK61913601(NXP) 3.3V drive
11.11.07
12.03.08
EAE61081701(25V)->
EAE52158501(10V)
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
11.11.29
0.047uF->0.033uF
150K->180K
11.11.07
0->47K
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
19V TO 12V DCDC CONVERTER
11.11.07
0->47
H/W Option:FULL_NIM
3.3V TO 1.23V LDO
11.11.07
0->47
M1 Core
5V TO 1.15V DCDC CONVERTER
11.11.07
0.1uF->0.22uF
11.11.07
0->47K
11.11.07
R822 68K->1.8K
C841 4700pF->8200pF
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
10K->22K->33K
for T1 rising time.
12.05.15
2012.08.12
R852 : 33k -> 120k
R853 : 12K -> 0
121118
+19V_SCART DEL
121118
Size : 1608->1005
for Cost Down
121118
Size : 1608->1005
for Cost Down
EAX65283603
2013.1.1429LN4500
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
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