LG 37LD460 (CHASSIS:LL01B) Service Manual ▷ View online
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.
FE_TS_DATA[1]
FE_TS_DATA[6]
FE_TS_DATA[4]
FE_TS_DATA[7]
FE_TS_DATA[5]
FE_TS_DATA[0]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_CLK
C2921
0.1uF
16V
ISDB_DEMOD
TP2902
ISDB_DEMOD
IF_N_EXT
R2913
22
ISDB_DEMOD
TP2901
ISDB_DEMOD
R2906
10K
ISDB_DEMOD
C2911
0.1uF
0.1uF
16V
ISDB_DEMOD
IF_P_EXT
FE_TS_DATA[0-7]
C2917
0.1uF
16V
ISDB_DEMOD
R2915
2.2K
OPT
C2926
0.1uF
ISDB_DEMOD
C2924
0.1uF
16V
ISDB_DEMOD
R2911
22
ISDB_DEMOD
C2928
0.1uF
ISDB_DEMOD
C2910
0.1uF
0.1uF
ISDB_DEMOD
TP2907
ISDB_DEMOD
C2920
0.1uF
16V
ISDB_DEMOD
DEMOD_SCL
C2927
0.1uF
ISDB_DEMOD
TP2904
ISDB_DEMOD
C2918
0.1uF
16V
ISDB_DEMOD
DEMOD_RESET
R2907
2.2K
ISDB_DEMOD
C2913
0.1uF
16V
ISDB_DEMOD
C2905
0.1uF
ISDB_DEMOD
R2909
1M
1M
ISDB_OPT
IF_AGC_ISDB
+3.3V_DE
TP2905
ISDB_DEMOD
C2925
0.1uF
ISDB_DEMOD
R2912
22
ISDB_DEMOD
C2908
0.1uF
ISDB_DEMOD
FE_TS_VAL_ERR
FE_TS_DATA[0]
C2906
0.1uF
ISDB_DEMOD
C2907
0.1uF
ISDB_DEMOD
R2905
2.2K
ISDB_DEMOD
C2916
0.1uF
16V
ISDB_DEMOD
C2919
15pF
50V
15pF
50V
ISDB_DEMOD
R2910
22
ISDB_DEMOD
C2923
0.1uF
16V
ISDB_DEMOD
C2903
0.1uF
ISDB_DEMOD
FE_TS_SYNC
+3.3V_DE
TP2903
ISDB_DEMOD
R2914
2.2K
OPT
DEMOD_SDA
C2922
0.1uF
16V
ISDB_DEMOD
C2915
15pF
50V
15pF
50V
ISDB_DEMOD
TP2906
ISDB_DEMOD
C2909
0.1uF
ISDB_DEMOD
C2904
0.1uF
ISDB_DEMOD
R2908
2.2K
ISDB_DEMOD
+1.2V_DE
C2912
0.1uF
16V
ISDB_DEMOD
C2901
0.1uF
ISDB_DEMOD
FE_TS_DATA[0]
C2902
0.1uF
ISDB_DEMOD
R2904
2.2K
ISDB_DEMOD
C2914
0.1uF
16V
ISDB_DEMOD
R2903
10K
10K
1%
ISDB_DEMOD
X2901
25MHz
25MHz
ISDB_DEMOD
IC2901
MN884433
ISDB_DEMOD
1
VSS_1
2
AVDD_S
3
AII_S
4
AIQ_S
5
AVSS_S
6
VRT_S
7
VRB_S
8
TCPO_S
9
VDDL_1
10
MSCL_S
11
MSDA_S
12
VSS_2
13
VSSH
14
PSEL
15
ZSEL
16
VDDL_2
17
ACKI
18
TCPO_T
19
IR_T
20
VRT_T
21
VRB_T
22
AVDD_T
23
AIN_T
24
AIP_T
25
AVSS_T
26
VSS_3
27
MSCL_T
28
MSDA_T
29
VDDH_1
30
GPO1
31
AGCI_T
32
AGCR_T
33
GPO0
34
VDDL_3
35
VSS_4
36
XO
37
XI
38
VDDH_2
39
GPI1
40
GPI0
41
TEST4
42
SHVPP
43
SHVDDH
44
NC_1
45
VSS_5
46
VDDL_4
47
TCK
48
TDI
49
NRST
50
TEST3
51
VSS_6
52
VDDL_5
53
TRST
54
TMS
55
CSEL0
56
CSEL1
57
TDO
58
SYNCA
59
ERRA
60
SYNCB
61
ERRB
62
VSS_7
63
VDDL_6
64
SADR_T
65
NC_2
66
SADR_S
67
HDVDDL0
68
VSS_8
69
SDA
70
SCL
71
VDDH_3
72
SADR
73
INTA
74
INTB
75
VSS_9
76
TEST1
77
TEST2
78
SCKA
79
GPI2
80
SDOA
81
PCKA
82
DENA
83
VDDH_4
84
VSS_10
85
HDVPP
86
RON
87
NC_3
88
HDVDDH
89
NC_4
90
HDVDDL1
91
VSS_11
92
VDDL_7
93
SCKB
94
TEST0
95
SDOB
96
PCKB
97
DENB
98
GPO2
99
VDDH_5
100
AGC_S
ISDB-T Demodulator
GP2_Saturn7M
Ver. 1.0
PANASONIC (ISDB-T)
(FE_TS_SERIAL)
MN884433
(FE_TS_SERIAL)
28
AMP_I2C HAVE PULL-UP
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.
+3.3V_DE
+3.3V_DE
IC3001
SC4215ISTRT
ISDB_POWER
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R3001
0
ISDB_DEMOD
L3001
BLM18PG121SN1D
ISDB_POWER
C3002
0.1uF
ISDB_POWER
R3003
10K
ISDB_POWER
C3001
0.1uF
ISDB_POWER
IF_AGC_SEL
C3005
0.1uF
16V
ISDB_POWER
R3004
5.1K
ISDB_POWER
C3003
0.1uF
16V
ISDB_POWER
TP3002
+1.2V_DE
C3006
22uF
16V
22uF
16V
ISDB_POWER
+3.3V_Normal
IF_AGC_MAIN
IF_AGC
R3002
0
MSTAR DEMOD
C3004
10uF
10V
10uF
10V
ISDB_POWER
IF_AGC_ISDB
Demodulator
GP2_Saturn7M
Ver. 1.0
IF AGC SELECTION
Panasonic Demodulator Power(3.3V,1.2V)
29
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.
R3830
12K
12K
JK3802
PPJ239-01
NON_CI_4/5/60
NON_CI_4/5/60
5J
[GN2]O-SPRING
6J
[GN2]E-LUG
4J
[GN2]CONTACT
7K
[BL2]E-LUG-S
5K
[BL2]O-SPRING
7L
[RD2]E-LUG-S
5L
[RD2]O-SPRING_1
5M
[WH2]O-SPRING
4N
[RD2]CONTACT
5N
[RD2]O-SPRING_2
6N
[RD2]E-LUG
6D
[GN1]E-LUG
5D
[GN1]O-SPRING
4D
[GN1]CONTACT
7E
[BL1]E-LUG-S
5E
[BL1]O-SPRING
7F
[RD1]E-LUG-S
5F
[RD1]O-SPRING_1
4F
[RD1]CONTACT_1
5G
[WH1]O-SPRING
4H
[RD1]CONTACT_2
5H
[RD1]O-SPRING_2
6H
[RD1]E-LUG
COMP2_Pb-
R3816
470K
470K
TP3807
AV_CVBS_IN
SC1/COMP1_DET
001:AR23
AV_L_IN
SC1_CVBS_IN
R3806
0
0
R3820
470K
470K
SC1_SOG_IN
D3812
5.6V
SC_RE2
Q3802
2SC3052
2SC3052
E
B
C
R3815
75
C3803
10pF
50V
10pF
50V
OPT
C3808
10pF
50V
10pF
50V
OPT
COMP2_DET
SC1_R+/COMP1_Pr+
+3.3V_Normal
SC1_R-/COMP1_Pr-
R3835
0
0
OPT
R3828
12K
12K
D3810
5.6V
R3803
1K
SC1_G+/COMP1_Y+
D3805
30V
30V
R3807
0
0
R3818
75
D3806
5.6V
AV_CVBS_DET
R3814
75
TP3806
R3860
0
0
COMP2_Pb+
R3833
0
0
OPT
SC1_B+/COMP1_Pb+
R3809
0
0
C3806
10pF
50V
10pF
50V
OPT
R3861
0
0
TP3809
R3859
0 OPT
Q3803
2SC3052
2SC3052
E
B
C
R3812
75
+5V_Normal
R3858
0
0
OPT
R3802
10K
SC1_FB
R3838
0 OPT
+3.3V_Normal
COMP2_Y-
DTV/MNT_VOUT
D3807
5.6V
R3857
0
OPT
JK3801
PPJ238-01
NON_CI_30
5D
[GN2]O-SPRING
6D
[GN2]E-LUG
4D
[GN2]CONTACT
7E
[BL2]E-LUG-S
5E
[BL2]O-SPRING
7F
[RD2]E-LUG-S
5F
[RD2]O-SPRING_1
5G
[WH2]O-SPRING
4H
[RD2]CONTACT
5H
[RD2]O-SPRING_2
6H
[RD2]E-LUG
6A
[YL1]E-LUG
5A
[YL1]O-SPRING
4A
[YL1]CONTACT
5B
[WH1]O-SPRING
4C
[RD1]CONTACT
5C
[RD1]O-SPRING
6C
[RD1]E-LUG
R3856
270
R3822
10K
R3855
270
D3801
5.6V
C3802
10pF
50V
10pF
50V
OPT
TP3802
R3854
82
82
OPT
SC1/COMP1_L_IN
D3804
30V
SC1_B-/COMP1_Pb-
R3853
82
OPT
TP3808
R3827
1K
1K
TP3801
R3852
4.7K
R3821
470K
R3851
3.6K
OPT
COMP2_L_IN
C3813
0.47uF
25V
OPT
SC1_ID
R3817
75
SCART1_Rout
TP3804
D3808
30V
30V
C3801
100pF
50V
OPT
SC1_G-/COMP1_Y-
COMP2_Pr+
R3829
12K
AV_R_IN
D3802
5.6V
C3805
1000pF
50V
1000pF
50V
C3810
10pF
50V
10pF
50V
OPT
D3809
30V
SCART1_MUTE
R3811
0
0
+5V_Normal
R3825
10K
10K
SC1/COMP1_R_IN
+3.3V_Normal
COMP2_R_IN
TP3805
COMP2_Pr-
R3824
10K
10K
R3813
75
R3823
10K
10K
COMP2_Y+
D3811
30V
R3805
1K
1K
R3808
0
0
R3819
470K
C3804
10pF
50V
10pF
50V
OPT
SCART1_Lout
R3831
12K
SC_RE1
D3813
5.6V
5.6V
R3804
10K
C3811
1000pF
50V
1000pF
50V
AV_CVBS_IN2
D3803
30V
30V
TP3803
C3807
1000pF
50V
1000pF
50V
R3826
10K
10K
C3809
1000pF
50V
1000pF
50V
R3810
0
R3848
0
0
NON CI LOW
GP2_Saturn7M
Ver. 1.1
31
RESULT
HIGH
SC1/COMP1_DET
SCART OPTION BLOCK
AV_CVBS_DET
SC1/COMP1_DET
HIGH
HIGH
LOW
HIGH
LOW
SC1/COMP1_DET
LOW
AV_CVBS_DET
LOW
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.
GMA18
H_CONV
RXA3-
RXA3-
GMA16
GMA18
I2C_SCL
GMA7
RXA1+
GMA4
L702
120-ohm
WAFER_FHD
RXD1-
RXACK+
RXB3-
RXB4-
L701
120-ohm
WAFER_HD
PANEL_VCC
RXA0+
RXB0+
RXC4+
RXC0-
GMA9
RXC0-
RXC2+
RXC3+
RXB2+
RXDCK-
I2C_SDA
GMA4
RXD0-
R710
10K
LVDS_SEL_LOW
RXD3-
P703
TF05-51S
WAFER_FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXC3-
RXC0+
RXA0-
RXC4-
H_CONV
OPC_EN
R706
33
240Hz
C711
10uF
16V
10uF
16V
MINI_LVDS
RXA2-
VCOML
GSP/GVST_I
POL
RXA2-
RXA2+
RXCCK+
GMA3
RXD0+
RXD2+
GMA12
OPC_EN
RXA1-
PWM_DIM
RXCCK-
GMA9
R709
10K
10K
BIT_SEL_LOW
RXA1+
RXB4+
RXB1-
C706
0.1uF
16V
0.1uF
16V
MINI_LVDS
OPC_OUT
RXB4-
R708
33
240Hz/3D
RXA3+
RXDCK+
C704
0.1uF
50V
0.1uF
50V
MINI_LVDS
RXC1+
RXACK+
P705
FF10001-30
WAFER_HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
RXB2+
RXB3+
VCOMLFB
RXD2-
R705
3.3K
LVDS_SEL_HIGH
RXC2-
RXA4-
RXD1+
C712
10uF
16V
10uF
16V
MINI_LVDS
RXC0+
GMA3
R707
33
240Hz/3D
C710
0.1uF
16V
0.1uF
16V
WAFER_FHD
RXC1-
PWM_DIM
RXA3+
RXB0-
RXD0+
GMA10
RXA0+
+3.3V_Normal
RXC1+
RXC4-
FRC_RESET
R700
3.3K
MINI_LVDS
RXA1-
RXB3+
VCOMRFB
RXD4-
SOE
RXC2+
RXA0+
VDD_LCM
GMA6
RXBCK+
RXA2+
RXA0-
VCC_LCM
GMA13
VCC_LCM
RXC3+
GMA1
RXA1+
R717
0
OPT
RXA4+
RXB4+
RXC3-
SOE
R712
3.3K
LVDS_SEL_HIGH
RXD0-
C709
1000pF
50V
1000pF
50V
WAFER_FHD
GMA6
RXD1-
GSP/GVST_I
SCAN_BLK2
VDD_LCM
+3.3V_Normal
RXA0-
RXB2-
RXB1+
RXD4+
R716
0
WAFER_HD
RXBCK-
PANEL_VCC
GMA16
RXC4+
RXB1+
RXB0-
RXD1+
RXACK-
C708
0.01uF
50V
0.01uF
50V
MINI_LVDS
RXB1-
RXACK-
GMA7
GMA10
HVDD
C703
0.01uF
50V
0.01uF
50V
MINI_LVDS
HVDD
C707
0.1uF
50V
0.1uF
50V
MINI_LVDS
GMA15
GMA15
P704
TF05-41S
WAFER_FHD_120HZ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
R711
10K
LVDS_SEL_LOW
C700
10uF
16V
10uF
16V
OPT
RXB2-
RXC2-
VCOMR
POL
RXB3-
RXC1-
C701
0.1uF
16V
0.1uF
16V
MINI_LVDS
GMA1
GMA13
RXB0+
RXA1-
RXD3+
GMA12
R703
3.3K
MINI_LVDS
R721
0
OPT
R728
0
SCAN
R720
0
SCAN
R723
0
OPT
R713
0
NON_SCAN
SCAN_BLK1/OPC_OUT
R714
0
OPT
R724
0
OPT
VDD_EVEN
CLK1
VGL
(-5V)
Z_OUT
CLK4
VGI_N
VGI_P
VST
CLK2
VGL_I
CLK5
CLK6
R745
0
NON_GIP
CLK3
VDD_ODD
VGI_N
R767
0
NON_GIP
VGH_M
(+25V)
CLK1
R752
0
NON_GIP
R753
0
NON_GIP
R771
0
NON_GIP
CLK5
VDD_ODD
R751
0
NON_GIP
CLK4
Z_OUT
R750
0
NON_GIP
R748
0
NON_GIP
VST
GOE/GCLK1_I
CLK6
VGL_I
CLK3
R770
0
NON_GIP
R749
0
NON_GIP
R754
0 MINI_LVDS
VGL
(-5V)
VGI_P
VDD_EVEN
GSC/GCLK3_I
R772
0
NON_GIP
R768
0
NON_GIP
R769
0
NON_GIP
CLK2
R765
0 GIP
R729
0 GIP
R773
3.3K
NON_GIP
R701
0 GIP
P701
104060-6017
MINI_LVDS
1
GND
2
GMA1
3
GMA3
4
GMA4
5
GMA6
6
GMA7
7
GMA9
8
GMA10
9
GMA12
10
GMA13
11
GMA15
12
GMA16
13
GMA18
14
GND
15
OPT_N
16
H_CONV
17
VST_IN
18
POL
19
SOE
20
GND
21
LV0+
22
LV0-
23
LV1+
24
LV1-
25
LV2+
26
LV2-
27
LVCLK+
28
LVCLK-
29
LV3+
30
LV3-
31
LV4+
32
LV4-
33
LV5+
34
LV5-
35
GND
36
VCC
37
VCC
38
GND
39
HALF_VDD
40
HALF_VDD
41
VDD
42
VDD
43
GND
44
VCOM_IN
45
VCOM_FB
46
GND
47
VST
48
VSS
49
VGH_EVEN
50
VGH_ODD
51
VGI_P
52
VGI_N
53
CLK6
54
CLK5
55
CLK4
56
CLK3
57
CLK2
58
CLK1
59
Z_OUT
60
GND
61
.
P702
104060-6017
MINI_LVDS
1
GND
2
Z_OUT
3
CLK1
4
CLK2
5
CLK3
6
CLK4
7
CLK5
8
CLK6
9
VGI_N
10
VGI_P
11
VGH_ODD
12
VGH_EVEN
13
VSS
14
VST
15
GND
16
VCOM_FB
17
VCOM_IN
18
GND
19
VDD
20
VDD
21
HALF_VDD
22
HALF_VDD
23
GND
24
VCC
25
VCC
26
GND
27
RV0+
28
RV0-
29
RV1+
30
RV1-
31
RV2+
32
RV2-
33
RVCLK+
34
RVCLK-
35
RV3+
36
RV3-
37
RV4+
38
RV4-
39
RV5+
40
RV5-
41
GND
42
SOE
43
POL
44
VST_IN
45
H_CONV
46
OPT_N
47
GND
48
GMA18
49
GMA16
50
GMA15
51
GMA13
52
GMA12
53
GMA10
54
GMA9
55
GMA7
56
GMA6
57
GMA4
58
GMA3
59
GMA1
60
GND
61
.
3D_POWER_EN
C714
1000pF
50V
1000pF
50V
3D
C715
0.1uF
16V
0.1uF
16V
3D
C713
10uF
16V
10uF
16V
OPT
L703
120-ohm
3D
PANEL_VCC
VCC_LCM
VCC_LCM
VCC_LCM
R704
33
3D
/3D_FPGA_RESET
R702
33
3D
C702
10uF
MINI_LVDS
C705
10uF
MINI_LVDS
GP2_Saturn7M
LVDS
[51Pin LVDS Connector]
(For FHD 60/120Hz)
(For FHD 60/120Hz)
[41Pin LVDS Connector]
(For FHD 120Hz)
(For FHD 120Hz)
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
[LEFT FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
10uF/25V(3216)
10uF/25V(3216)
[Right FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
36
Ver. 1.3
BIT_SEL
LVDS_SEL
LVDS_SEL
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