Read LG 22LN4060 (CHASSIS:LM91P) Service Manual online
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
+3.5V_ST
C744
0.1uF
16V
0.1uF
16V
C761
0.1uF
16V
0.1uF
16V
+1.8V_M
C752
0.1uF
16V
PANEL_VCC
PANEL_ON
R747
10K
10K
R749
2.2K
2.2K
POWER_SW
+3.3V_M
P_12V
Q720
AO3407A
G
D
S
L750
BLM18PG121SN1D
Q721
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
C750
0.1uF
16V
+3.3V_M
R766
4.7K
READY
Q710
AO3435
G
D
S
Q711
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
R765
3.3K
R748
33K
33K
IC711
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
R750
10K
C711
68uF
35V
P_12V
VCC_AMP
C713
0.01uF
50V
+19V
+3.3V_M
R770
47
C775
4700pF
50V
4700pF
50V
R778
12K 1%
R772
4.7K
C773
0.047uF
25V
0.047uF
25V
L771
CB3216PA501E
R777
33K 1%
IC709
MP1472GJ-C452-Z
3
COMP
2
EN
4
FB
1
SS
5
GND
6
SW
7
IN
8
BST
L770
10uH
10uH
C777
47uF
25V
R775
0
C772
0.01uF
50V
R773
47K
47K
R774
8.2K
+19V
R771
180K
C770
10uF
25V
10uF
25V
C776
330pF
50V
330pF
50V
+5V_USB
R776
10K
1%
C780
4.7uF
10V
4.7uF
10V
Q712
AO3407A
G
D
S
D711
18V
READY
+3.3V_M
Q713
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
R713
5.6K
R715
560
560
R714
560
560
C714
47uF
25V
25V
R711
33K
+18V
R710
10K
1%
C743
10uF
16V
10uF
16V
C745
10uF
16V
10uF
16V
C754
10uF
16V
10uF
16V
C778
10uF
10uF
16V
L703
CB2012PK501T
C746
560pF
50V
+3.5V_ST
R741
4.7K
1%
R740
2.7K
2.7K
1%
R742
0
+1.2V_VDDC
R744
10K
C742
10uF
16V
10uF
16V
C740
10uF
10uF
16V
IC704
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
C712
0.1uF
25V
0.1uF
25V
C715
0.1uF
25V
0.1uF
25V
C771
0.1uF
25V
0.1uF
25V
C779
0.1uF
25V
0.1uF
25V
C781
0.1uF
25V
0.1uF
25V
C774
0.33uF
16V
0.33uF
16V
READY
R716
7.5K
L761
UBW2012-121F
C753
4.7uF
10V
4.7uF
10V
R762
22K
R761
22K
C760
1uF
35V
1uF
35V
R727
0
C723
220pF
50V
220pF
50V
C724
150pF
50V
150pF
50V
READY
IC702
MP1584EN
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
D721
40V
SMAB34
C727
0.1uF
25V
0.1uF
25V
L720
10uH
R724
68K
R728
15K
1%
C725
47uF
25V
25V
C720
0.1uF
25V
0.1uF
25V
R723
300K
300K
C721
0.1uF
16V
0.1uF
16V
C726
10uF
10uF
16V
R722
10
R725
200K
1%
C728
68uF
35V
35V
C722
10uF
35V
10uF
35V
+24V_BLU
R726
6.2K
6.2K
1%
POWER_SW
R720
4.7K
L721
UBW2012-121F
D712
KDS226
A
AC
C
VCC_AD
ZD711
5.6B
R717
15K
1%
READY
+3.5V_ST
JP702
+19V
IC701
MP1584EN
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
C704
0.1uF
16V
0.1uF
16V
C707
150pF
50V
150pF
50V
READY
JK700
KJA-DC-1-0032
1
1
2
2
4
4
R702
36K
R704
68K
C708
47uF
25V
25V
C703
0.1uF
25V
L702
10uH
C706
220pF
50V
220pF
50V
R705
47K 1%
C710
0.1uF
25V
0.1uF
25V
R706
2K
1%
L704
UBW2012-121F
R708
15K
1%
L701
CB4532UK121E
R709
10
R701
100K
C705
10uF
25V
10uF
25V
D701
40V
SMAB34
C701
47uF
25V
25V
R703
300K
300K
C709
10uF
10uF
16V
JP701
R707
0
D702
40V
SMAB34
D703
40V
SMAB34
C702
10uF
25V
10uF
25V
7 7
POWER
** Switch Panel-Vcc
** +3.5V_ST -> 3.3V_M
** 3.3V_M -> 1.8V_M
19V TO ST3.3V DCDC CONVERTER
OUT
19V TO USB 5V DCDC CONVERTER
R1
V0 = 0.8*(1+(R2/R1))
R2
** 3.5V_ST -> 1.26V VDDC
OUT:1.26V
EAX65303201
LN4050
2012/12/18
19V TO PANEL_12V DCDC CONVERTER
ADD : 13.02.18
CHANGE:13.02.18
ADD : 13.02.18
11.10.27
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