LG 37LD840 (CHASSIS:LJ03B) 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.
Non_CI
2009.10.19
CI_A[0]
CI_A[1]
CI_A[2]
CI_A[3]
CI_A[4]
CI_A[5]
CI_A[6]
CI_A[7]
CI_A[8]
CI_A[9]
CI_A[10]
CI_A[11]
CI_A[12]
CI_A[13]
CI_OUTDATA[4]
CI_OUTDATA[5]
CI_OUTDATA[6]
CI_OUTDATA[7]
CI_OUTCLK
CI_OUTVALID
CI_OUTSTART
CI_OUTDATA[0]
CI_OUTDATA[1]
CI_OUTDATA[2]
CI_OUTDATA[3]
CI_OUTCLK
/CI_WAIT
CI_MOD_RESET [GP49]
/CI_CD2 [GP38]
CI_MOD_RESET
/CI_CD1
FE_TS_DATA_CLK
FE_TS_VAL_ERR
/CI_WAIT
/CI_IREQ
[GP39]
007:H5;016:AJ3
/CI_CD1
CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
FE_TS_SYNC
/CI_CD2
EBI_RW
007:E6
CI_5V_CTL
[GP27]
007:H7
CI_A[0-13]
EBI_WE
/CI_SEL
CI_A[14]
EBI_CS
High_Common(BCM3556)
46
DVB-CI PULL-UP (Near CI Slot)
DVB-CI PULL-DOWN (Near CI Slot)
CI POWER ENABLE CONTROL
CI CONTROL BUFFER
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.
URSA3 120Hz MINI_LVDS
09/10/xx
74
COMMON
GMA18
R7416
0
NON_GIP
Z_OUT
R7400
0 GIP
GMA16
GMA15
RXC2-
GSP/GVST_I
GMA13
VCC_LCM
GMA1
HVDD
R7407
0
NON_GIP
VGI_N
R7401
0 GIP
VGL
(-5V)
SOE
VDD_ODD
GMA6
GMA3
R7411
0
NON_GIP
GMA1
C7404
0.1uF
50V
0.1uF
50V
MINI_LVDS
RXC0-
GSP/GVST_I
RXD1-
GMA18
R7413
3.3K
MINI_LVDS
R7402
3.3K
MINI_LVDS
MINI_LVDS
RXC2+
POL
RXD0-
RXB4-
RXA0+
RXC3+
VCC_LCM
GMA13
RXB1+
RXC4+
RXB2-
VST
CLK1
R7409
0 GIP
VGH_M
(+25V)
R7417
0
NON_GIP
R7412
0 MINI_LVDS
C7409
10uF
16V
10uF
16V
MINI_LVDS
VCOMRFB
GMA10
VDD_EVEN
VCC_LCM
VCC_LCM
CLK4
VDD_LCM
CLK3
RXD0+
R7415
0
NON_GIP
GMA12
R7403
0
NON_GIP
GMA10
RXC4-
CLK6
RXB4+
R7419
0
NON_GIP
RXC0+
VCC_LCM
VCOMLFB
VGI_P
GMA4
C7407
0.01uF
50V
0.01uF
50V
MINI_LVDS
CLK2
VGI_N
VDD_EVEN
R7408
0
NON_GIP
RXB2+
GSC/GCLK3_I
R7418
0
NON_GIP
CLK5
R7414
0
NON_GIP
RXD1+
RXC1+
VGL_I
CLK3
SOE
H_CONV
CLK2
C7401
10uF
16V
10uF
16V
MINI_LVDS
GMA3
POL
GMA7
R7406
0
NON_GIP
RXA1-
GMA7
C7405
0.1uF
16V
0.1uF
16V
MINI_LVDS
VDD_ODD
RXB3+
RXC3-
GMA6
RXB3-
GMA9
R7410
0
NON_GIP
VDD_LCM
C7402
0.01uF
50V
0.01uF
50V
MINI_LVDS
CLK1
C7400
0.1uF
16V
0.1uF
16V
MINI_LVDS
RXB0-
R7405
0
NON_GIP
C7408
0.1uF
50V
0.1uF
50V
MINI_LVDS
CLK6
VGL_I
GOE/GCLK1_I
VGI_P
VGL
(-5V)
H_CONV
RXC1-
GMA15
VCOML
R7404
3.3K
NON_GIP
RXB0+
GMA16
VST
CLK4
GMA9
GMA4
Z_OUT
RXB1-
CLK5
RXA1+
HVDD
GMA12
RXA0-
VCOMR
C7403
1uF
50V
MINI_LVDS
C7406
1uF
50V
50V
MINI_LVDS
P7400
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
.
P7401
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
.
JP8804
JP8805
JP8808
JP8807
JP8806
[LEFT FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
Mini LVDS
[Right FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
2012
To reduce
Audible Noise
Audible Noise
To reduce
Audible Noise
Audible Noise
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.
BCM 60Hz LVDS
R7603
33
T480Hz
R7610
10K
VESA
L7600
CIC21J501NE
T480Hz
PWM_DIM
R7605
0
T480Hz
R7602
33
T480Hz
OPC_EN
FRC_RESET
+3.3V_NORMAL
R7600
0
NON_SCAN
PANEL_VCC
R7606
0
T480Hz
R7608
10K
10K
8BIT
R7607
0
T480Hz
R7604
0
T480Hz
R7601
33
T480Hz
R7609
3.3K
JEIDA
SCL3_3.3V
SCAN_BLK2
P7600
TF05-51S
T480Hz/FHD_60Hz
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
C7601
1000pF
50V
1000pF
50V
SDA3_3.3V
SCAN_BLK1/OPC_OUT
OPC_OUT
LVDS_TX_1_CLK_P
LVDS_TX_1_DATA3_N
LVDS_TX_1_DATA4_N
LVDS_TX_1_DATA1_P
LVDS_TX_1_CLK_N
LVDS_TX_1_DATA2_N
LVDS_TX_1_DATA1_N
LVDS_TX_1_DATA4_P
LVDS_TX_1_DATA0_N
LVDS_TX_1_DATA3_P
LVDS_TX_1_DATA2_P
LVDS_TX_1_DATA0_P
LVDS_TX_0_DATA2_P
LVDS_TX_0_DATA4_N
LVDS_TX_0_DATA3_N
LVDS_TX_0_DATA2_N
LVDS_TX_0_DATA1_N
LVDS_TX_0_DATA3_P
LVDS_TX_0_CLK_N
LVDS_TX_0_DATA1_P
LVDS_TX_0_DATA0_N
LVDS_TX_0_DATA4_P
LVDS_TX_0_CLK_P
LVDS_TX_0_DATA0_P
C7602
0.1uF
50V
0.1uF
50V
C7600
10uF
25V
10uF
25V
OPT
JP8810
35
GND
OPEN
JEIDA
GND(NC)
BIT_SEL
[51Pin LVDS Connector]
(For FHD 60/120Hz)
(For FHD 60/120Hz)
VESA
8BIT
LVDS_SEL
10BIT
From BCM 480Hz
HIGH
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.
URSA3 120Hz LVDS
PWM_DIM
RXC4-
P7700
TF05-51S
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
43
44
45
46
47
48
49
50
51
52
RXD3+
RXA3-
R7711
3.3K
JEIDA
R7708-*1 0
FHD_OPC
RXDCK-
RXD0+
RXB1-
R7705
33
240Hz
RXACK+
RXB2-
RXD1-
R7703
33
240Hz
RXA0-
RXD4-
RXC4+
RXBCK-
RXB0+
+3.3V_NORMAL
RXA3+
RXA4-
RXB3+
RXA2-
R7706
0
LD60_SCAN
R7702
0
NON_SCAN
R7708
0
LD60_SCAN
RXCCK+
RXB1+
RXC2+
RXA0+
RXD3-
SDA3_3.3V
RXCCK-
SCAN_BLK1/OPC_OUT
RXB4+
RXA1-
R7712
10K
VESA
RXBCK+
RXC1-
R7710
10K
10K
8BIT
R7707
0
FHD_OPC
RXC1+
R7700
0
NON_LGD_22
OPC_OUT
RXC0-
RXA1+
RXA2+
FRC_RESET
RXB2+
RXACK-
RXD0-
RXD2+
R7701
0
NON_LGD_22
RXC3-
P7701
TF05-41S
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
RXB3-
SCL3_3.3V
R7704
33
240Hz
SCAN_BLK2
C7701
1000pF
50V
1000pF
50V
R7709
0
FHD_OPC
RXD1+
RXB4-
TP7700
PANEL_VCC
OPC_EN
RXB0-
RXD4+
RXDCK+
RXD2-
RXA4+
RXC3+
RXC2-
RXC0+
L7700
500
FHD_120Hz
C7702
0.1uF
50V
0.1uF
50V
C7700
10uF
25V
10uF
25V
OPT
JP8809
R7713
0
0
NON_AUO
VESA
BIT_SEL
[41Pin LVDS Connector]
(For FHD 120Hz)
(For FHD 120Hz)
10BIT
LVDS_SEL
HIGH
GND(NC)
OPEN
[51Pin LVDS Connector]
(For FHD 60/120Hz)
(For FHD 60/120Hz)
JEIDA
LVDS
8BIT
GND
35
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