LG 26LH20R Service Manual page 23

P1001
FM20020-24
NC Power ON
1 2
GND GND
3 4
GND GND
5 6
5.2V 5.2V
7 8
5.2V 5.2V
9 10
GND GND
11 12
12V 12V
13 14
GND GND
15 16
24V 24V
17 18
NC I n v e r t e r O N
19 20
A.Dim E r r o r O u t
21 22
NC PWM Dim
23 24
25
2 6 "
P1000
FW20020-24S
NC Power ON
R1077 0 1 2
READY GND GND
3 4
GND GND
5 6
5.2V 5.2V
7 8
P_5V
5.2V 5.2V
9 10
GND GND
11 12
12V 12V
13 14
P_12V_SMALL_15V
GND GND
15 16
24V 24V
17 18
P_24V_SMALL_15V
NC I n v e r t e r O N
19 20
A.Dim E r r o r O u t
21 22
NC PWM Dim
23 24
NON_19_22_26"
R1064 0
R1041
0
CMO 57"
R1042
0
R1043 0
NON CMO 32,42,47,57
LED Block
*SHARP32":DC DIMMING
+5VST_MST +5V_MULTI
R1045 0
CMO 32,42,47,57
R1002 R1005
10K 1.2K
**OPC_ENABLE : USE LGD Module
D1002
SAM2333
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.
L1000
CIC21J501NE
P_24V_SMALL_15V +16V_NTP
EAM58113401 C1001
C1006 C1046
0 . 1 u F
68uF 0.01uF
50V
35V
L1012
MLB-201209-0120P-N2
P_12V_SMALL_15V +12V_AUDIO
120-ohm C1002 C1007
47uF 25V 0.01uF
L1001
P_5V +5VST_MST
120-ohm
C1003 C1008 C1011
0.01uF 0.01uF
10uF
16V
*ST 5V->3.3V
IC1007
AP2121N-3.3TRE1
VIN VOUT
+5VST_MST 3 2 +3.3V_MST
MAX 300mA
C1053 C1034
1 C1052
10uF16V 0.01uF 1uF 25V
GND
READY
P_5V
NON 19_22"
19_22"
R1000
2.2K
P1002
SMAW200-11
3
R1003 10K
RL_ON
2
1
NON 19_22"
Q1000
2SC3875S 15V
1
P_5V NON 19_22"
15V
2
P_12V_SMALL_15V
GND
3
P_24V_SMALL_15V GND
4
5V
5
5V
6
NC
7
NC
8
I n v e r t e r _ O N
9
PWM_Dim
10
A.Dim
11
R1054 4.7K R1001 0
PANEL_STATUS
NON SHARP 32&52",AUO
NON CMO 57"
R1053 25V C1043
0 0.47uF
SHARP 52",AUO NON SHARP 52",AUO
R1014
0
CMO 32,42,47,57
+5V_MULTI
R1046
3K
R1040 0
CMO 57"
3
R1047 10K
1 2 DISP_EN/VAVS_ON
Q1002
2SC3875S
R1039
0
CMO 32,42,47 R1023
0
NON (CMO 32,42,47,57, SHARP 32")
OPC_DISABLE
R1076
R1044 1K
1K
E-DIM
DC_DIM
R1075
1K
C1045 OPC_OUT
2.2uF 16V R1044-*1 100
OPC_ENABLE
DC_DIM R1022
PWM_DIM
R1021
1K
1K
OPC_ENABLE
OPC_DISABLE
R1079
10K
I-DIM
C1044
2.2uF 16V
**5V_MULTI->3.3V->1.2V
IC1001
BD9130EFJ-E2
ADJ EN
1 8
10K
R1006
VCC PVCC
+5V_MULTI 2 7
L1002
2.2uH
ITH SW
3 6
C1004 C1017
R1008
10uF R1078
10uF GND PGND C1014
16V 12K
4 5 3 . 3
16V 0 . 1 u F
READY
C1055 16V
MAX 2A
C1012
2200pF
560pF
50V
50V
READY
V0 = 0.8*(1+(R2/R1))
IC1003
AZ1085S-3.3TR/E1
INPUT
R1073 0 3
MAX 3A
C1054 1
0.1uF
ADJ/GND
**Switch 12V:P12V
**Switch 5V:5V_MULTI -> 1.8V
P_5V P_12V_SMALL_15V
L1006
L1005
120-ohm 120-ohm
19/22"(HD)/22"(FHD)/32"(Sharp) 26/27/32(LPL)/37/42/47/52"
Q1003
R1049 C1056 SI4925BDY
C1027
33K 1uF25V
68uF EBK32753101
35V
READY
R1065
C l o s e t o Q 1 0 0 3
33K NON 19_22" S1
R1065-*1 1
10K
19_22" C
R1048 10K G1
B Q1001
PANEL_ON 2
RT1C3904-T112
R1020 E
S2
10K 3
G2
P_5V 4
C1048
R1070
1uF
22K
R1069
1.6K
C
R1068
10K B Q1004
POWER_SW
RT1C3904-T112
E
**DC-DC CONVERTER
V0 = 0.8*(1+(R1/R2))
12V->5V_TUNER/USB
R1059
10K
NON 19_22"
IC1006
R1057
MP2212DN
R1
30K
FB 1
R1058 MAX 3A
C1032
19_22" 5.6K 560pF
R2
D1001 50V
GND 2
L1008 S2A 50V
CIC21J501NE
R1012 IN 3
0
P_12V_SMALL_15V C1031
NON 19_22" C1030
10uF 10uF
BS 4
25V
25V
R1011
0
C1036
R2
1uF 25V
READY
C1013 C1018
10uF
10uF
16V R1010
16V
3.3K R1
1%
R1013
OUT:3.3V
2 OUTPUT 0
C1028 IC1002
100uF16V
AP1117EG-13
L1013
MLB-201209-0120P-N2
OUT:1.85V
IN OUT
3 MAX 1A 2
120-ohm
1 R1004
R1
C1016
C1015 120 C1023
ADJ/GND C1022 C1037
10uF
0 . 1 u F 5% 10uF 0 . 1 u F 1uF 25V
10V 50V
50V 6.3V READY
R1007
R2
56
1%
V0 = 1.25*(1+(R2/R1))
L1007
D1_2 MLB-201209-0120P-N2
8
C1005 0LCML00003B R1050 R1051 R1052 C1009 C1010
7 D1_1 0.1uF 2.2K 2.2K 2.2K 100uF1 6V 0.01uF
6 D2_2
D2_1
5
C1019 C1021
10uF 16V 0.01uF
L1010
OUT:5V
MLB-201209-0120P-N2
+5V_MULTI C1000 C1020 C1025
C1038
10uF 10uF 0 . 1 u F
C1026 1uF 25V
16V 16V 16V
100uF
READY
16V
R1056
READY
10
C1024
0 . 1 u F
50V
READY
R1018
2K
8 EN/SYNC NON 19_22"
+5V_MULTI
Small(19_22")
L1009 3.6uH 19_22"
R1016
7 SW_2
4.7K
R1015 10
+5V_MULTI
6 SW_1 19_22"
3
R1017 10K
R1024
1 2
10
19_22"
5 VCC
Q1005
C1035
C1029 C1033 2SC3875S
1uF 25V 0 . 1 u F
0.1uF 19_22"
50V
50V
OUT:1.27V
+1.2V_VDDC_MST
+3.3V_MULTI_MST
+1.8V_DDR
DDR2, Vref
+1.8V
NTP,AUDIO DSP
+5V_+12V_LCD
+5V_MULTI
+5V_TUNER
+5V_USB
RL_ON