LG 55LH95QD, Service Manual

Page: 29 / 76

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.
TUNER
LGDT_SADDR[1]
LGDT_SDQ[12]
LGDT_SADDR[7]
LGDT_SADDR[4]
LGDT_SDQ[14]
LGDT_SDQ[8]
LGDT_SDQ[4]
LGDT_SDQ[7]
LGDT_SADDR[3]
LGDT_SADDR[0]
LGDT_SDQ[0]
LGDT_SADDR[6]
LGDT_SDQ[13]
LGDT_SADDR[4]
LGDT_SADDR[6]
LGDT_SDQ[0]
LGDT_SDQ[12]
LGDT_SDQ[15]
LGDT_SDQ[6]
LGDT_SDQ[2]
LGDT_SADDR[9]
LGDT_SDQ[10]
LGDT_SDQ[9]
LGDT_SADDR[3]
LGDT_SDQ[6]
LGDT_SDQ[10]
LGDT_SADDR[10]
LGDT_SADDR[10]
LGDT_SDQ[11]
LGDT_SADDR[8]
LGDT_SADDR[1]
LGDT_SADDR[5]
LGDT_SDQ[5]
LGDT_SDQ[2]
LGDT_SADDR[2]
LGDT_SDQ[3]
LGDT_SDQ[1]
LGDT_SDQ[13]
LGDT_SADDR[5]
LGDT_SADDR[0]
LGDT_SDQ[7]
LGDT_SDQ[15]
LGDT_SADDR[7]
LGDT_SDQ[11]
LGDT_SDQ[4]
LGDT_SDQ[3]
LGDT_SADDR[2]
LGDT_SDQ[14]
LGDT_SDQ[5]
LGDT_SDQ[8]
LGDT_SDQ[1]
LGDT_SADDR[8]
LGDT_SDQ[9]
LGDT_SADDR[9]
P6.0V
C1012
100uF
16V
C1042
22uF
16V
+1.2V_DTMB
P6.0V
C1009
0.1uF
16V
+5V_TUNER
C1024
100uF
16V
IC1001
KIA78R033F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
R1014
5.1K
C1004
10uF
10V
C1040
0.1uF
16V
R1013
10K
C1000
47uF
16V
C1039
0.1uF
50V
C1031
4.7uF
10V
C1003
0.1uF
16V
+3.3V_DTMB
C1001
0.1uF
50V
IC1002
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C1008
100uF
16V C1011
0.1uF
16V
IC1000
BA50BC0WFP-E2
1
CTL
2
VCC
3
GND
4
OUT
5
NC
C1047
100uF
16V C1048
4.7uF
10V
IC1003
AZ1117D-3.3TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
L1000
CIC21J501NE
C1049
0.1uF
16V C1044
100uF
16V C1046
0.1uF
16V
+3.3VA_DTMB
P6.0V
R1001
100
R1010
100
R1015
470
LGDT_SCS 009:Y27
C1029
0.1uF
16V
/FE_RESET 001:X26
C1010
0.1uF
16V
FE_TS_SYN 001:AL16
C1070
0.01uF
25V
TU_SCL_5V 009:AQ7
R1012
100
+3.3V_DTMB
R1033
82
R1003
1K
1/16W
5%
C1059
0.1uF
16V
C1067
220uF
16V
R1009 100
C1020
0.1uF
16V
R1044
270
TU 009:D34
SYNCLOCK
009:G20
LGDT_SRAS
009:T27
+1.2V_DTMB
LGDT_SBA[0] 009:Y27
R1005
4.7K
OPT
LGDT_SCLK 009:AG28
C1026
22pF
50V
LGDT_SCAS 009:Y28
R1031
4.7K
TU_SDA_3.3V 009:F29
C1021
0.1uF
16V
TU_IF_AGC
009:AQ7
C1071
100uF
16V
OPT
C1072
0.1uF
16V
+5V_TUNER
C1045
18pF
+3.3V_DTMB
R1028
47
R1040 0
OPT
C1065
24pF
R1037
0
R1039
0
C1038
0.1uF
16V
FE_TS_VAL_ERR 001:AL16
C1018
0.1uF
16V
R1027 47
LD1201
SAM2333
LOCK
A2[GN]
C
A1[RD]
LGDT_SCKE
009:AG27
C1069
0.01uF
25V
C1050
0.1uF
16V
BLKERR
009:G21
R1024
0
R1002
1K
1/16W
5%
LGDT_SCAS 009:T27
LGDT_SDQ[0-15]
FE_VMAIN
002:E23
C1006
0.1uF
16V
LGDT_SCLK 009:W36
C1022
0.1uF
16V
LGDT_SRAS
009:Y27
C1034
0.1uF
16V
C1066
24pF
C1064
0.1uF
16V
C1043
18pF
R1026
0
+5V_TUNER
+5V_TUNER
L1001
MLB-201209-0120P-N2
C1068
39pF
50V
FE_BOOSTER_CTL 001:AJ11
+3.3V_DTMB
C1061
220uF
16V
C1051
0.1uF
16V
LD1200
SAM2333
LDPC ERR
A2[GN]
C
A1[RD]
L1005
CM2012FR47KT
0.47uH
TU_SDA_3.3V 009:S12
IC1005
HY57V641620FTP
HYNIX 64MBIT
26
A3
27
VDD3
28
VSS1
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
NC1
37
CKE
38
CLK
39
UDQM
40
NC2
41
VSS2
42
DQ8
43
VDDQ3
44
DQ9
45
DQ10
46
VSSQ3
47
DQ11
48
DQ12
49
VDDQ4
50
DQ13
17
CAS
3
VDDQ1
6
VSSQ1
16
WE
15
LDQM
14
VDD2
13
DQ7
12
VSSQ2
11
DQ6
10
DQ5
9
VDDQ2
8
DQ4
7
DQ3
4
DQ1
5
DQ2
25
A2
24
A1
23
A0
2
DQ0
22
A10/AP
21
BA1
1
VDD1
20
BA0
19
CS
18
RAS
51
DQ14
52
VSSQ4
53
DQ15
54
VSS3
LGDT_SBA[0]
009:V24
R1051
2.2K
R1006
200
R1000
0
C1017
0.1uF
16V
C1055
0.1uF
16V
LGDT_SCKE
009:W37
LGDT_SADDR[0-10]
C1019
0.1uF
16V
X1005
30.4MHz
RF_SWITCH_SEL
001:X25;002:P22
R1038
OPT
C1027
22pF
50V
R1016
1M
R1025 0
SYNCLOCK 009:H27
TU_SCL_3.3V 009:F29
C1015 0.01uF 25V
FE_TS_SERIAL 001:AL16
FE_DEMOD_SCL
001:D21
R1029
0
OPT
R1022 47
C1014 0.01uF 25V
C1060
47pF
50V
+3.3V_DTMB
TU_IF_OUT- 009:AT3
FE_SIF 002:S17
LGDT_SCS 009:T27
TU_IF_AGC 009:C31
C1028
0.1uF
16V
R1018
0
+5V_TUNER
+3.3V_DTMB
R1011
100
R1019 47
C1013
0.1uF
16V
C1032
0.1uF
16V
+3.3VA_DTMB
C1063
100pF 50V
+5V_TUNER
R1021 47
R1008 100
FE_DEMOD_SDA
001:D21
TU
009:AT4
C1056
0.1uF
16V
R1030
4.7K
L1002
CM2012FR22KT
220nH
C1053
0.1uF
16V
C1016
0.1uF
16V
R1017
470
TU_SDA_5V 009:K12
LGDT_SWE
009:T28
IC1005-*1
M12L64164A-5TG
ELITE 64MBIT
26
A3
27
VDD_3
28
VSS_1
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
NC_1
37
CKE
38
CLK
39
UDQM
40
NC_2
41
VSS_2
42
DQ8
43
VDDQ_3
44
DQ9
45
DQ10
46
VSSQ_3
47
DQ11
48
DQ12
49
VDDQ_4
50
DQ13
17
CAS
3
VDDQ_1
6
VSSQ_1
16
WE
15
LDQM
14
VDD_2
13
DQ7
12
VSSQ_2
11
DQ6
10
DQ5
9
VDDQ_2
8
DQ4
7
DQ3
4
DQ1
5
DQ2
25
A2
24
A1
23
A0
2
DQ0
22
A10/AP
21
A12
1
VDD_1
20
A13
19
CS
18
RAS
51
DQ14
52
VSSQ_4
53
DQ15
54
VSS_3
R1023 47
C1037
22pF
50V
C1023
1uF
OPT
R1007
4.7K
R1045
0
TU_SCL_5V
009:S13
C1057
0.1uF
16V
LGDT_SBA[1]
009:V24
C1054
0.1uF
16V
LGDT_SDQ[0-15]
C1005
10uF
10V
LGDT_SBA[1] 009:Y27
C1073
220pF
50V
OPT
L1004
MLB-201209-0120P-N2
R1036
0
C1062
47pF
50V
C1058
10uF
10V
C1030
0.1uF
16V
Q1001
2SA1504S
E
B
C
TU_SCL_3.3V
009:K13
C1033
0.1uF
16V
C1002
0.1uF
16V
C1052
0.1uF
16V
R1032
470
C1007
10uF
10V
LGDT_SADDR[0-10]
R1050
270
TU_SDA_5V 009:AQ7
R1055
4.7K
IC1004
LG3900
1
CMDC
2
AVDD33_1
3
AVSS_1
4
AIFINN
5
AIFINP
6
VREFN
7
VREFP
8
AVDD33_2
9
AVSS_2
10
I2CSEL
11
AGCOUT
12
TUNSCL
13
TUNSDA
14
VSS_1
15
VDD_1
16
GPIO[5]
17
GPIO[4]
18
VDD33_1
19
GPIO[3]
20
GPIO[2]
21
VSS_2
22
GPIO[1]
23
GPIO[0]
24
LOCK
25
nERROR
26
SCL
27
SDA
28
nRESET
29
TPVALID
30
TPDATA[0]
31
TPDATA[1]
32
VSS_3
33
TPDATA[2]
34
TPDATA[3]
35
TPDATA[4]
36
TPDATA[5]
37
VDD33_2
38
VDD_2
39
TPDATA[6]
40
TPDATA[7]
41
TPCLK
42
TPSOP
43
VSS_4
44
SADDR[3]
45
SADDR[2]
46
SADDR[1]
47
SADDR[0]
48
SADDR[10]
49
SBA[1]
50
SBA[0]
51
nSCS
52
VSS_5
53
nSRAS
54
nSCAS
55
VDD33_3
56
nSWE
57
SDQ[7]
58
SDQ[6]
59
VDD_3
60
SDQ[5]
61
SDQ[4]
62
SDQ[3]
63
VSS_6
64
SDQ[2]
65
SDQ[1]
66
SDQ[0]
67
VDD_4
68
VDD33_4
69
SDQ[15]
70
SDQ[14]
71
VSS_7
72
SDQ[13]
73
SDQ[12]
74
SDQ[11]
75
SDQ[10]
76
VSS_8
77
SDQ[9]
78
SDQ[8]
79
SCLK
80
SCKE
81
SADDR[9]
82
SADDR[8]
83
SADDR[7]
84
VDD33_5
85
VSS_9
86
SADDR[6]
87
SADDR[5]
88
VDD_5
89
SADDR[4]
90
OPM[0]
91
OPM[1]
92
OPM[2]
93
TMOD
94
VSS_10
95
XTALI
96
XTALO
97
VDD33_6
98
TESTSE
99
VDD_6
100
VSS_11
R1020 47
Q1003
2SC3875S(ALY)
E
B
C
TU_IF_OUT- 009:D34
BLKERR 009:H27
FE_TS_DATA_CLK 001:AL17
C1036
22pF
50V
LGDT_SWE 009:Y28
R1034
0
C1035
22pF
50V
L1003
CM2012FR22KT
220nH
+5V_TUNER
R1035
0
R1004
4.7K
OPT
C1025
22pF
50V
C1041
0.1uF
16V
R1046
10K
TU1001
TDFR-Z051D
T-TDFR_Z051D
T-TDFR_Z051D
14
GND
13
NC_4
5
RF_AGC
12
TU_IF
11
NC_3
2
G-SW
19
NC_7
18
SCL
10
NC_2
4
VTU
1
CTR
17
SDA
9
VIDEO_OUT
8
SIF
3
+B1
16
NC_6
7
NC_1
6
+B2
15
NC_5
24
SHIELD
20
IF_AGC
21
DIF_1
22
DIF_2
23
NC_8
Q1104
ISA1530AC1
E
B
C
Q1105
ISA1530AC1
E
B
C
R1059
4.7K
D
C
H
+5V_TUNER
+3.3V/+1.2V_DTMB
FIN must be connected GND
+3.3VA_DTMB
DEMODULATOR LGDT3900
Close to tuner
TUNER TDFR-Z751D
Close to IC
ROUTE SYMMETRICALLY
360mmA
270mA
Max 170mA
Typ 120mA
CVBS LINE MUST BE LOCATED IN 1’ST LAYER
No more production TXC, China local cyristal will be used at MP
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only