LG 42LH20R, Руководство по обслуживанию

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
47uF
25
V
C1002
10K
R1003
NON 19_22"
0.01uF C1007
DISP_EN/VAVS_ON
0.01uF C1046
RL_ON
SAM2333 D1002
0.01uF C1008
2SC3875S Q1000
NON 19_22"
1
2
3
0.01uF C1011
0.01uF C1021
2SC3875S Q1002
1
2
3 100
R1044-*1 PWM_DIM
10K
R1047
E-DIM
I-DIM
4.7K
R1054 NON SHARP 32&52",AUO
PANEL_STATUS
33K R1065
NON 19_22"
1uF
25
V
C1056
33K R1049
10K
R1048
RT1C3904-T112 Q1001
E
B
C
0.01uF C1010
0.1uF C1005
100uF1
6V
C1009
POWER_SW
10K R1002
SI4925BDY
EBK32753101
Q1003
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
RT1C3904-T112 Q1004
E
B
C
10K R1068
1.6K
R1069
22K
R1070
1uF C1048
0.01uF C1053
0
CMO 32,42,47,57 R1045
0 CMO 32,42,47 R1039
0
CMO 57" R1040
0
NON CMO 32,42,47,57 R1043
0 CMO 57" R1041
0
R1064
0 NON (CMO 32,42,47,57, SHARP 32") R1023
0 SHARP 52",AUO R1053
0
NON CMO 57" R1001
0 CMO 32,42,47,57 R1014
0 R1042
1.2K R1005
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.
P_12V_SMALL_15V P_5V
P_5V
P_12V_SMALL_15V
+16V_NTP +12V_AUDIO +5VST_MST
P_12V_SMALL_15V
+5VST_MST
+3.3V_MST
+5V_USB +5V_TUNER
+5V_+12V_LCD +5V_MULTI
P_5V
+5V_MULTI
P_5V
P_12V_SMALL_15V P_5V
+5VST_MST
+5V_MULTI
PANEL_ON
0.1uF 50V C1001
10uF
16
V
C1052
10uF
16
V
C1019
10uF 16V C1003
1/4W
0
5 %
R1074
19 _2 2"
SMAW200-11
P1002 19_22"
1
15V
2
15V
3
GND
4
GND
5
5V
6
5V
7
NC
8
NC
9
Inverter_ON
10
PWM_Dim
11
A.Dim
P_5V
P_24V_SMALL_15V
P_12V_SMALL_15V
P_24V_SMALL_15V
P_24V_SMALL_15V
OPC_OUT
0
READY
R1077
10K
19_22" R1065-*1
MP2212DN
IC1006
3
IN
2
GND
4
BS
1
FB
5
VCC
6S
W
_1
7S
W
_2
8
EN/SYNC
+5V_MULTI
10 R1056
READY
0.1uF 50V C1024
READY
10K
R1059 NON 19_22"
100uF 16V C1026
5.6K R1058
30K R1057
S2A
50
V
19_22" D1001
10uF 25V C1030
10uF 25V C1031
10uF 16V C1000
10uF 16V C1020
+1.2V_VDDC_MST
0
R1073
0.1uF C1054
+3.3V_MULTI_MST
100uF
16
V
C1028
+1.8V_DDR +1.8V
+5V_MULTI
AP2121N-3.3TRE1
IC1007
1
GND
2
VOUT
3
VIN
0.1uF 16V C1014
BD9130EFJ-E2
IC1001
3
ITH
2
VCC
4
GND
1
ADJ
5
PGND
6
SW
7
PVCC
8
EN
10K
R1006
1/10W
2K
1 %
R1009
1/10W
3.3K
1%
R1010
10uF
10V
C1016
10uF 6.3V C1022
0.1uF 50V C1015
0.1uF 50V C1023
12K R1008
560pF 50V C1012
2200pF 50V C1055
READY
3.3 R1078
READY
10uF
16V
C1004
10uF
16V
C1013
10K R1079
AZ1085S-3.3TR/E1
IC1003
1
ADJ/GND
2
OUTPUT
3
INPUT
10uF 16V C1017
10uF 16V C1018
AP1117EG-13
IC1002
1
ADJ/GND
2
OUT
3
IN
1K
R1044 DC_DIM
1K R1076
OPC_DISABLE
1K R1075
OPC_ENABLE
0 R1013
2.2K R1050
2.2K R1051
2.2K R1052
68uF
35V
C1006
0
R1012
NON 19_22"
3.6uH
L1009
CIC21J501NE EAM58113401 L1000
CIC21J501NE
L1008
FW20020-24S
P1000
NON_19_22_26"
19
NC
14
12V
9
5.2V
4
GND
18
24V
13
12V
8
5.2V
3
GND
17
24V
12
GND
7
5.2V
2
Power ON
16
GND
11
GND
6
GND
1
NC
20
Inverter ON
15
GND
10
5.2V
5
GND
21
A.Dim
22
Error Out
23
NC
24
PWM Dim
120 5% R1004
56 1% R1007
10K
R1017
19_22"
2SC3875S Q1005
19_22"
1
2
3
RL_ON
+5V_MULTI
10
R1015
19_22"
4.7K R1016
19_22"
120-ohm
L1001
120-ohm
19/22"(HD)/22"(FHD)/32"(Sharp)
L1005
120-ohm
26/27/32(LPL)/37/42/47/52"
L1006
0LCML00003B MLB-201209-0120P-N2 L1007
MLB-201209-0120P-N2 L1010
MLB-201209-0120P-N2
120-ohm
L1012
MLB-201209-0120P-N2
120-ohm
L1013
1uF
25
V
C1035
0.1uF 16V C1025
0.47uF
25V
C1043 NON SHARP 52",AUO
2.2uF
16
V
C1045 DC_DIM
2.2uF
16
V
C1044
3K R1046
FM20020-24 P1001
26"
19
NC
14
12V
9
5.2V
4
GND
18
24V
13
12V
8
5.2V
3
GND
17
24V
12
GND
7
5.2V
2
Power ON
16
GND
11
GND
6
GND
1
NC
20
Inverter ON
15
GND
10
5.2V
5
GND
21
A.Dim
22
Error Out
23
NC
24
PWM Dim
25
.
2.2uH
L1002
10K R1020
2K R1018 NON 19_22"
1K
OPC_DISABLE
R1021
1K
OPC_ENABLE
R1022
68uF 35V
C1027
READY
10
R1024
0.1uF
50V
C1029
+5V_MULTI
0
R1011
560pF 50V
C1032
2.2K R1000 NON 19_22"
1uF
25
V
READY C1034
1uF
25
V
READY C1036
1uF
25
V
READY C1037
1uF
25
V
READY C1038
0.1uF 50V C1033
9 9
POWER
MSTAR
2008/12/16
LED Block
**5V_MULTI->3.3V->1.2V
**Switch 12V:P12V **Switch 5V:5V_MULTI -> 1.8V
H6 LCD MERCURY
EAX56856904
*SHARP32":DC DIMMING
**DC-DC CONVERTER 12V->5V_TUNER/USB
OUT:5V
*ST 5V->3.3V
**OPC_ENABLE : USE LGD Module
MAX 300mA
MAX 3A
OUT:1.27V
NTP,AUDIO DSP DDR2, Vref
V0 = 0.8*(1+(R2/R1))
MAX 2A
MAX 3A
R1
R2
MAX 1A
OUT:3.3V
R1
R2
V0 = 0.8*(1+(R1/R2))
V0 = 1.25*(1+(R2/R1))
R1 R2
OUT:1.85V
Small(19_22")
Close to Q1003