LG 22LN4500 (CHASSIS:LD31A) Service Manual ▷ View 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.
AUDIO AMP
7 12
R700
3.3
3.3
OPT
R709
100
TP700
C711
22000pF
50V
HP_DET
R717
12
L709
LPH6045T-100M
Audio_Coil_ABCO
10uH
C708
33pF
50V
33pF
50V
C726
1uF
25V
1uF
25V
D709
MMBD6100
LN4500
A2
C
A1
C734
0.47uF
50V
+19V_AMP_VCC
HP_LOUT
C743
1uF
25V
25V
C701
0.1uF
16V
0.1uF
16V
OPT
Q704
MMBT3904(NXP)
MMBT3904(NXP)
LN4500
E
B
C
C717
1000pF
50V
OPT
Q702
MMBT3906(NXP)
E
B
C
C730
390pF
50V
C735
0.47uF
50V
R735
220K
220K
OPT
AMP_RST
C728
390pF
50V
R711
1K
LN4500
R703
100
D710
KDS226
A
AC
C
TP701
0.1uF
C713
50V
R710
1K
1K
LN4500
Q701
MMBT3904(NXP)
LN4500
E
B
C
C745
47uF
25V
25V
R719
12
0.1uF
C739
50V
D700
MMBD6100
A2
C
A1
D704
100V
1N4148W
OPT
C705
33pF
50V
33pF
50V
AMP_SCL
Q705
MMBT3904(NXP)
MMBT3904(NXP)
LN4500
E
B
C
C720
10uF
10uF
10V
LN4500
C716
10uF
25V
C703
0.01uF
50V
0.01uF
50V
OPT
R714
3.3K
3.3K
LN4500
R728
5.1K
D706
100V
1N4148W
OPT
R737
12K
0.1uF
C737
50V
SB_MUTE
C742
4.7uF
50V
4.7uF
50V
L706
LPH6045T-100M
Audio_Coil_ABCO
10uH
C706
1000pF
50V
R708
33K
33K
OPT
JP701
C729
390pF
50V
JP702
C744
47uF
25V
C702
10uF
10V
10uF
10V
R712
12
NTP_MUTE
JP704
Q700
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
AUD_SCK
HP_MUTE
R716
0
SB_MUTE
C709
1000pF
50V
1000pF
50V
P700
SMAW250-H04R
WAFER-ANGLE
1
2
3
4
JP700
SB_MUTE
0.1uF
C738
50V
R730
5.1K
+19V_AMP_VCC
R718
12
L700-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
AUD_LRCH
AUD_LRCK
C721
10uF
10V
LN4500
R733
10K
LN4500
R727
5.1K
Q706
MMBT3906(NXP)
LN4500
E
B
C
JP706
IC700
NTP7513
3
DGND_PLL
2
VDD_PLL
4
GND
1
AGND_PLL
6
DVDD
5
DGND
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
VCC5
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
R738
12K
12K
AUD_MASTER_CLK
+3.3V_AMP
C723
22000pF
50V
22000pF
50V
L701
LPH6045T-100M
Audio_Coil_ABCO
10uH
L709-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
C700
0.1uF
16V
0.1uF
C712
50V
R704
12
C724
47uF
25V
25V
R701
10K
+3.3V_ST
R707
100
AMP_SDA
D707
100V
1N4148W
OPT
R736
470
0.1uF
C714
50V
0.1uF
C715
50V
R702
12
0.1uF
C740
50V
R729
5.1K
R705
10K
R715
12
+3.3V_Normal
C719
1000pF
50V
OPT
VA702
20V
20V
LN4500
L701-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
R706
47K
LN4500
JP707
JK700
KJA-PH-1-0177-2
LN4500
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
0.1uF
C704
16V
OPT
R713
1K
LN4500
C731
390pF
50V
L706-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
L700
LPH6045T-100M
Audio_Coil_ABCO
10uH
R720
12
0.1uF
C707
16V
C718
10uF
25V
10uF
25V
C710
22000pF
50V
JP705
D705
100V
1N4148W
OPT
JP703
C727
1uF
25V
1uF
25V
Q707
MMBT3904(NXP)
LN4500
E
B
C
1uF
C725
10V
R734
220K
TP702
HP_ROUT
+3.3V_ST
C722
22000pF
22000pF
50V
Q703
MMBT3904(NXP)
LN4500
E
B
C
VA703
20V
OPT
VA701
20V
LN4500
+19V
R739
0
0
1/16W
5%
5%
LN4500
NC4_S7LRM
SPK_R-
SPK_L+
SPK_L-
MUTE control
12.08.09
SPK_R+
0x54
AUDIO AMP
Headphone block
Pop-up noise killer
11.10.27
Apply->OPT
2.7K->220K
11.10.27
12.08.20
12.08.20
12.11.07
1K->0 by JHShin
to solve pop-noise issue
1K->0 by JHShin
to solve pop-noise issue
12.08.16
Added by JCPark
Added by JCPark
121118
R737 3K for SCART MUTE DEL
R737 3K for SCART MUTE DEL
3K:
With SCART MUTE BLOCK
With SCART MUTE BLOCK
12K:
Without SCART MUTE BLOCK
Without SCART MUTE BLOCK
121118
OPTION added for LN4500
OPTION added for LN4500
EAX65077303
2013.1.14
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.
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
R865
1
C858
10uF
10uF
10V
OPT
R831
8.2K
1%
R843
1K
C827
0.1uF
50V
0.1uF
50V
BR(FULL_NIM)
C813
0.47uF
16V
OPT
R858
2.7K
1%
BR(FULL_NIM)
R892
47K
47K
POWER_ON/OFF1
JK800
KJA-DC-1-0032
1
2
4
R824
0
L806
10uH
10uH
C843
1uF
10V
1uF
10V
IC810
AP2114H-2.5TRG1
GND
VOUT
VIN
R800
100K 1%
100K 1%
R817
4.7K
C816
0.1uF
50V
C802
10uF
10V
10V
R888
47
+5V_USB
R874
100
C882
1uF
25V
IC802
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
C812
47uF
25V
25V
Q807
AO3407A
G
D
S
C850
150pF
50V
150pF
50V
OPT
R838
15K
1%
R835
120K
1%
Q805
PMV48XP
G
D
S
C837
0.1uF
50V
0.1uF
50V
POWER_ON/OFF1
R821
12K
12K
C832
4700pF
50V
4700pF
50V
Q806
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
C808
150pF
50V
150pF
50V
OPT
C853
47uF
25V
25V
+12V_PANEL_POWER
R842
22K
R803
36K
IC803
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
R880
10K
10K
C819
0.47uF
16V
OPT
C881
47pF
50V
47pF
50V
OPT
+3.3V_ST
C859
10uF
10uF
25V
OPT
R825
10K
1%
C864
10uF
10V
10uF
10V
+19V_AMP_VCC
R854
0
0
OPT
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
+12V_Normal
R826
0
C863
0.1uF
50V
0.1uF
50V
R822
1.8K
+1.23V_TUNER
R804
100K 1%
100K 1%
OPT
R862
13K
1%
BR(FULL_NIM)
+5V_Normal
R893
47K
47K
R836
10K
C801
10uF
25V
25V
OPT
+3.3V_AMP
R870
100K
100K
IC806
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
R810
10K
10K
IC809
MP1584EN
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
C855
47uF
25V
25V
+12V_Normal
POWER_ON/OFF1
R869
47
C836
10uF
10V
10uF
10V
R819
0
+3.3V_ST
POWER_ON/OFF1
PANEL_CTL
R841
2K
1%
C814
0.1uF
50V
0.1uF
50V
R859
30K
1%
1%
BR(FULL_NIM)
+12V_Normal
C868
0.01uF
50V
R840
10K
R855
2K
1%
IC805
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
R811
100K 1%
100K 1%
OPT
R898
180K
OPT
R885
180K
C856
10uF
10V
10uF
10V
+3.3V_Normal
R827
10K
1%
C892
1uF
10V
1uF
10V
C838
0.033uF
50V
0.033uF
50V
C866
0.1uF
50V
0.1uF
50V
C890
4.7uF
10V
4.7uF
10V
OPT
C852
47uF
25V
25V
R833
10K
1%
C805
10uF
10V
10uF
10V
C826
10uF
10V
10uF
10V
BR(FULL_NIM)
C860
10uF
25V
10uF
25V
C835
0.033uF
50V
0.033uF
50V
R805
4.7K
R830
0
+19V
C825
0.01uF
50V
R839
4.7K
4.7K
Q803
AO3407A
G
D
S
C891
1uF
25V
R844
10K
1%
C804
10uF
25V
25V
C869
220pF
50V
220pF
50V
R873
10K
OPT
C830
0.01uF
50V
C834
0.01uF
50V
R872
1
C862
10uF
10uF
10V
OPT
L805
10uH
10uH
C824
0.01uF
50V
0.01uF
50V
BR(FULL_NIM)
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
C846
0.22uF
16V
0.22uF
16V
Q802
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
R879
0
0
R813
0
MULTI_ON
R801
100K
C842
10uF
10V
10uF
10V
R816
68K
+2.5V_Normal
D805
40V
SMAB34
BR(FULL_NIM)
C845
330pF
50V
330pF
50V
C897
10uF
10V
10uF
10V
OPT
R871
47
C879
4.7uF
10V
4.7uF
10V
OPT
R846
0
5%
C817
0.1uF
50V
OPT
R848
220 1%
R806
10K
OPT
C896
10uF
10V
10uF
10V
R808
0
C906
0.1uF
50V
0.1uF
50V
OPT
MULTI_ON
C807
0.1uF
16V
0.1uF
16V
R815
300K
R818
8.2K
MULTI_ON
C806
0.1uF
50V
C833
4700pF
50V
4700pF
50V
C800
10uF
25V
25V
R884
180K
+3.3V_AMP
R849
0
5%
R807
1K
1K
OPT
IC800
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
C803
10uF
25V
10uF
25V
C839
2.2uF
2.2uF
50V
Q804
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
C899
0.1uF
50V
0.1uF
50V
OPT
D802
40V
SMAB34
R809
10
C823
0.1uF
50V
OPT
POWER_ON/OFF1
JP800
C810
0.1uF
50V
R851
47K 1%
R876
0
L807
CPI2520NHL3R3ME
2520
3.3uH
C894
0.1uF
50V
0.1uF
50V
OPT
C867
0.1uF
50V
0.1uF
50V
OPT
MULTI_ON
C857
0.01uF
50V
0.01uF
50V
OLP
C811
0.47uF
16V
OPT
R875
22K
L802
10uH
C841
8200pF
25V
8200pF
25V
+1.5V_DDR
R812
4.7K
C865
0.01uF
50V
0.01uF
50V
C809
0.1uF
50V
OPT
+3.3V_TUNER
R867
4.7K
1%
BR(FULL_NIM)
C818
0.1uF
50V
C847
330pF
50V
330pF
50V
+3.3V_Normal
R891
47K
47K
R834
33K 1%
C898
4.7uF
10V
4.7uF
10V
R845
12K 1%
C861
0.1uF
50V
0.1uF
50V
JP801
C828
10uF
10V
10uF
10V
BR(FULL_NIM)
R877
1
OPT
C840
10uF
10uF
10V
R820
8.2K
L803
10uH
R832
1K
1%
+1.8V_TUNER
+3.3V_ST
C820
47uF
25V
25V
C895
0.1uF
50V
0.1uF
50V
R802
4.7K
OPT
+1.15V_VDDC
R814
0
0
OPT
C877
0.1uF
50V
0.1uF
50V
IC808
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
R903
100K 1%
100K 1%
OPT
R896
0
MULTI_ON
R897
10K
1%
R899
47K
47K
L801
10uH
R895
8.2K
C876
10uF
10uF
10V
OPT
C875
47uF
25V
25V
R904
4.7K
OPT
R890
47
C873
4700pF
50V
4700pF
50V
C878
0.47uF
16V
OPT
R901
0
R900
12K 1%
C889
0.033uF
50V
0.033uF
50V
R894
180K
C872
0.01uF
50V
C870
10uF
25V
25V
+5V_ST
C874
330pF
50V
330pF
50V
C893
0.1uF
50V
POWER_ON/OFF1
R902
33K 1%
+19V
MHL_CD_SENSE
R887
4.7K 5%
4.7K 5%
8 12
6604->6601
111116
10K->22K
1K->100
10K->22K
1K->100
12.03.08
EAE61081701(25V)->
EAE52158501(10V)
EAE61081701(25V)->
EAE52158501(10V)
11.11.28
1.2K->2K
1.2K->2K
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
EAE42868301(3225)->
EAE61081701(3216)
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
EAE42868301(3225)->
EAE61081701(3216)
111129
47uF DEL
47uF DEL
1000Hr->2000Hr
11.11.29
0.047uF->0.033uF
150K->180K
0.047uF->0.033uF
150K->180K
11.10.27
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
EAE42868301(3225)->
EAE61081701(3216)
11.11.29
Diode DEL
0DSKE00048A
Diode DEL
0DSKE00048A
11.11.07
0->47K
0->47K
11.12.01
LDO change
EAN56716601 (5A)
->EAN54428101 (1A)
LDO change
EAN56716601 (5A)
->EAN54428101 (1A)
Not used :
only for small(ready)
only for small(ready)
11.11.07
0->47
0->47
11.12.20
LDO change
EAN54428101 (1A) adj
->EAN54428601 (1A) 3.3v
LDO change
EAN54428101 (1A) adj
->EAN54428601 (1A) 3.3v
AMP_VCC Control
11.10.27
AMP_VCC
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
11.10.27
AO3407A Vgs : 10.8V(24V input)
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
3.3V TO 1.5V LDO
11.11.05
AO3407A Vgs : 10.36V(19V input)
POWER_ON/OFF1
VOLTAGE HIGHER
VOLTAGE HIGHER
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
2200pF->4700pF
10K->8.2K
150pF->330pF
111129
Discharging R DEL
(0RJ2201J674)
Discharging R DEL
(0RJ2201J674)
19V TO 5V DCDC CONVERTER
111116
EBK61011501(Diode)
->EBK38029201(Rohm)
->EBK61913601(NXP) 3.3V drive
EBK61011501(Diode)
->EBK38029201(Rohm)
->EBK61913601(NXP) 3.3V drive
11.11.07
H/W Option:FULL_NIM
3.3V TO 1.23V LDO
11.11.07
0.1uF->0.22uF
0.1uF->0.22uF
M1 Core
11.11.07
0->47K
0->47K
12V TO 1.15V DCDC CONVERTER
11.11.07
R822 68K->1.8K
C841 4700pF->8200pF
R822 68K->1.8K
C841 4700pF->8200pF
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
11.11.07
0->47
0->47
NC4_S7LRM
12.08.10
560->220
10K->8.2K
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
2012.08.12
R835 : 33k -> 120k
R846 : 12K -> 0
R835 : 33k -> 120k
R846 : 12K -> 0
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
2200pF->4700pF
10K->8.2K
150pF->330pF
11.11.07
0->47K
0->47K
19V TO 12V DCDC CONVERTER
11.11.07
0->47
0->47
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
EAE42868301(3225)->
EAE61081701(3216)
11.11.29
0.047uF->0.033uF
150K->180K
0.047uF->0.033uF
150K->180K
10K->22K
PANEL POWER CONTROL
111116
Panel switch deletion
111201
Panel switch recover
Panel switch deletion
111201
Panel switch recover
11.11.15
12.07.17
ZXMP3F30FHTA
->AO3407A
ZXMP3F30FHTA
->AO3407A
11.11.29
0.047uF->0.033uF
150K->180K
0.047uF->0.033uF
150K->180K
11.11.07
0->47K
0->47K
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
EAE42868301(3225)->
EAE61081701(3216)
11.11.07
0->47
0->47
12.03.08
EAE61081701(25V)->
EAE52158501(10V)
EAE61081701(25V)->
EAE52158501(10V)
11.11.14
2200pF->4700pF
10K->8.2K
150pF->330pF
2200pF->4700pF
10K->8.2K
150pF->330pF
11.11.14
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
0CE476WH6DC(1000hr)->
EAE61423901(2000hr)
120915
MP1584->MP1472
MP1584->MP1472
19V TO 5V DCDC FOR MHL
OPTION: (OPT)5V_PWR_FOR_MHL_ONLY
EAX65077303
2013.1.14
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.
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.
LED DRIVER
11 12
R1132
220K 1%
23.6"
C1127
1uF
100V
100V
23.6"
P1101
SM14B-SRSS-TB
24V
24V
24V
24V
24V
GND
GND
GND
GND
GND
ERROR_OUT
INV_ON
NC
PWN_DIM
GND
21.6"/26"
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
L1100
10uH
21.6"/26"
R1113
3.3
3.3
1/16W
21.6"/26"
VOUT
Q1101
AOD478
AOD478
21.6"/26"
S
D
G
+19V
WLED_ENABLE
R1102
10K
21.6"/26"
C1139
1uF
50V
1uF
50V
OPT
JP1105
R1115
0.1
1W
21.6"/26"
R1136
0
23.6"
+24V_BLU
C1124
33uF
100V
33uF
100V
23.6"
C1126
0.22uF
16V
21.6"/26"
C1117
2200pF
50V
2200pF
50V
21.6"/26"
IC1101
TPS40210DGQR
21.6"/26"
3
DIS/EN
2
SS
4
COMP
1
RC
5
FB
6
GND
7
ISNS
8
GDRV
9
BP
10
VDD
11
[EP]
C1115
0.1uF
50V
0.1uF
50V
OPT
C1120
47pF
50V
47pF
50V
21.6"/26"
C1111
100pF
50V
23.6"
ERROR_OUT
Q1103
AOD478
AOD478
23.6"
S
D
G
R1106
1.5K
1/16W
21.6"/26"
C1118
47uF
25V
47uF
25V
23.6"
R1105
10K
10K
1/16W
21.6"/26"
WLED_DIM_ADJ
C1114
1000pF
50V
1000pF
50V
23.6"
C1136
68uF
35V
35V
21.6"/26"
JP1107
R1121
100
100
23.6"
C1130
1uF
1uF
100V
OPT
D1103
100V
BR210
23.6"
JP1104
JP1109
R1133
1.5K 1%
23.6"
VOUT
R1114
0.1
1W
21.6"/26"
C1134
100pF
50V
100pF
50V
21.6"/26"
R1134
30K 1%
23.6"
P1100
05002HR-H12J05
23.6"
1
2
3
4
5
6
7
8
9
10
11
12
13
C1122
1uF
25V
1uF
25V
23.6"
JP1088
JP1100
+3.3V_ST
R1100
510K
510K
1/8W
1%
1%
23.6"
C1116
100pF
50V
100pF
50V
23.6"
WLED_ENABLE
R1123
100K
100K
1%
23.6"
R1137
0.1
1W
1%
23.6"
+19V
JP1111
R1101
4.7K
4.7K
21.6"/26"
L1101
33uH
23.6"
Q1102
MMBT3904(NXP)
MMBT3904(NXP)
21.6"/26"
E
B
C
WLED_DIM_ADJ
JP1110
JP1108
C1128
1uF
100V
100V
23.6"
R1127
100
100
23.6"
C1129
1uF
1uF
100V
OPT
R1131
39K 1%
23.6"
C1125
0.047uF
25V
23.6"
R1128
22K
1%
23.6"
C1123
4700pF
50V
23.6"
JP1103
C1135
68uF
35V
35V
21.6"/26"
R1135
1.5K 1%
23.6"
R1111
1K
1K
1/16W
21.6"/26"
C1113
10uF
25V
10uF
25V
21.6"/26"
C1119
100pF
100pF
50V
21.6"/26"
BLU_CURRENT_CTL
R
1
1
0
3
1
0
K
1
/
1
6
W
21.6"/26"
C1121
4.7uF
50V
4.7uF
50V
23.6"
JP1102
JP1101
C1137
1uF
50V
1uF
50V
21.6"/26"
R1125
24K
1%
23.6"
+24V_BLU
R1109
30K
30K
1/16W
21.6"/26"
C1112
47uF
25V
25V
21.6"/26"
MULTI_ON
JP1106
C1138
1uF
50V
1uF
50V
21.6"/26"
D1101
100V
BR210
21.6"/26"
R1110
100
100
1/16W
OPT
R1122
100K
100K
23.6"
R1108
51K
51K
1/16W
21.6"/26"
R1104
470K
1/16W
21.6"/26"
C1133
1uF
10V
1uF
10V
OPT
R1124
1.5K
1%
23.6"
R1107
220K
220K
1/16W
21.6"/26"
R1129
100K
1%
23.6"
R1112
0
1/16W
OPT
IC1100
DT1641AS
23.6"
3
NC_1
2
OVP
4
PGND_1
1
EN
6
PDIM
5
PGND_2
7
RISET
8
LS8
9
LS7
10
LS6
11
LS5
12
NC_2
13
LGND
14
LS4
15
LS3
16
LS2
17
LS1
18
RT
19
COMP
20
RSS
21
NDRV
22
CS
23
VREF
24
VIN
25
[EP]GND
C1132
0.1uF
25V
0.1uF
25V
21.6"/26"
C1131
1uF
25V
1uF
25V
21.6"/26"
NC4_S7LRM
LED DRIVER
12.03.08
EAE61103401 2.2uF MLCC 1ea(3225)
->EAE61381601 1uF MLCC 2ea(3216)
EAE61103401 2.2uF MLCC 1ea(3225)
->EAE61381601 1uF MLCC 2ea(3216)
11.11.15
1K->100ohm
1000pF->100pF
1K->100ohm
1000pF->100pF
11.12.02
22uF 2EA->47uF 1EA
EAE60365101->EAE61423901
22uF 2EA->47uF 1EA
EAE60365101->EAE61423901
12.08.11
270K+270K
->510K 2012size
270K+270K
->510K 2012size
11.11.15
1000pF->100pF
1000pF->100pF
12.08.11
24K->22K
24K->22K
11.10.27
Parallel 0ohm DEL
Parallel 0ohm DEL
12.05.17 To improve audible noise
C1103 2200pF->47pF
C1105 47pF->OPT
C1103 2200pF->47pF
C1105 47pF->OPT
11.11.29
Diode change canceled(111202)
EAH61112701->EAH61533501
Diode change canceled(111202)
EAH61112701->EAH61533501
12.07.03 To improve backlight blinking
C1103 47pF->2200pF
C1105 47pF->Apply
R1103 18K->470K
C1103 47pF->2200pF
C1105 47pF->Apply
R1103 18K->470K
12.05.17
C1110 EAE62721801 33uF,
C1111 0CH8106J691 10uF
-> EAE60171701 68uF 2EA
C1110 EAE62721801 33uF,
C1111 0CH8106J691 10uF
-> EAE60171701 68uF 2EA
12.01.10
Main AOD478
Sub AP18T10GH
Main AOD478
Sub AP18T10GH
11.11.29
0DSKE00048A Diode DEL
0DSKE00048A Diode DEL
12.10.16
EAN62407801->EAN62656301
EAN62407801->EAN62656301
121118
C1132
0CK104BF56A
->0CK104BH56A
C1132
0CK104BF56A
->0CK104BH56A
121118
C1132
0CK105CD56A
->0CK105CK56A
C1132
0CK105CD56A
->0CK105CK56A
EAX65077303
2013.1.14
Click on the first or last page to see other 22LN4500 (CHASSIS:LD31A) service manuals if exist.