LG 24LN451B Service Manual page 28

+19V
JK800 JP800
KJA-DC-1-0032
4
OPT OPT
2
C800
C801 C802
47uF 10uF 10uF
25V 25V
25V
1
JP801
Check the Ripple
11.11.07
6604->6601
PANEL POWER CONTROL(HD/FHD)
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 right reserved.
Only for training and service purposes
MULTI_ON
IC800
MP2315GJ
R809
10K
R803
47K AAM FB
1 8
IN VCC
2 7
NEW
SW EN/SYNC
3 6
C803 C807
2.2uF 0.1uF
25V 50V 3A
GND BST
C814
4 5
OPT
0.1uF
R810 16V
20K
R806
68
C810
0.1uF
50V
IC801
MP2315GJ R811
100K
R804
47K AAM FB
1 8
IN VCC
2 7
NEW
SW EN/SYNC
3 6
C804 C808
2.2uF 0.1uF
3A
25V 50V
GND BST
C815
4 5
OPT
0.1uF
R812
16V
20K
R807
68
C811
0.1uF
50V
+3.3V_Normal
19V to 1.15V (M1 Core)
R814
10K
C813
0.1uF
IC802
50V
MP2315GJ
R805 R815
47K AAM FB 82K
1 8
IN VCC
2 7
NEW
SW EN/SYNC
3 6
C806 C809
2.2uF 0.1uF
3A
25V 50V
GND BST
C816
4 5
0.1uF
R813
16V
20K
R808
68
C812
0.1uF
50V
+12V
+5V_Normal
HD_PNL
FHD_PNL
+5V_PANEL_POWER
FHD_PNL
Q801
AO3407A
C3746 S
4.7uF
G
16V
D
1uF
C805 OPT
25V
R802
1K
C
R800
PANEL_CTL
4.7K
B Q800
MMBT3904(NXP)
E
R816
+12V
33K +19V
L802 10uH
R818
43K
1%
C823
C818 C820
R819
10uF 10uF 0.1uF
16V 16V 16V 100K
1%
R820
10K
1%
+3.3V_ST
R817
33K
L801
10uH
R824
5.1K
1%
OPT
C819 C824 R825
C821
22uF
10uF 0.1uF 27K
6.3V
10V 16V
1%
R826
10K
1%
+1.15V_VDDC
L800
10uH
R821
4.7K
OPT
1%
C817 C822 C825
22uF 10uF 0.1uF R822
6.3V 10V 16V
0
5%
R823
10K
1%
+12V_PANEL_POWER
HD_PNL
19V TO 5V DCDC CONVERTER
R827
MULTI_ON
100K 1%
R828
POWER_ON/OFF1 4.7K
OPT
IC804
C827
MP2315GJ
0.47uF
16V
OPT
R831
47K AAM FB
1 8
IN VCC
2 7
NEW
SW EN/SYNC
3 6
C826
C828
0.1uF
2.2uF 3A
50V
25V
GND BST
4 5
R835
68
C833
0.1uF
50V
+3.3V_ST
S
R834
22K G
PMV48XP D
Q803
C832
R832
100
C 1uF
R829
10V
100K
B Q802
POWER_ON/OFF1
MMBT3904(NXP)
E
3.3V TO 1.5V LDO IC805
TJ4220GDP-ADJ
+3.3V_Normal NC_1
1
R833
10K EN2
2
VIN3
3
+3.3V_ST
NC4
4
C831
10uF
10V
+3.3V_Normal
NC4_S7LRM
POWER
+5V_Normal
R839
33K
L803
10uH
R841
47K
1%
C835
OPT R842
C838 C839 C841
0.1uF
R836
10uF 10uF 0.1uF 33K
16V
20K 10V 10V
16V 1%
R843
15K
1%
+3.3V_Normal
C834 +2.5V_Normal
0.1uF
16V
IC806
AP2114H-2.5TRG1
VIN VOUT
GND
C837
OPT
10uF
C842
10V
4.7uF
10V
[EP]GND
+1.5V_DDR
GND
8
ADJ/SENSE 1%
7
C836
10K
0.01uF
R840
VOUT
50V
6
OPT
NC_2
C840
5
10uF
10V
+1.8V_TUNER
IC803
AP1117E18G-13
IN ADJ/GND
3 1
2
R830 C830
1uF
OUT 1
10V
C829
10uF
10V
2013.05.25
8 12
LGE Internal Use Only