LG 37LK456C (CHASSIS:LD0EC) 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.
CI_DATA[6]
CI_ADDR[11]
CI_ADDR[14]
CI_ADDR[6]
CI_DATA[0]
FE_TS_DATA[0]
FE_TS_DATA[3]
FE_TS_DATA[7]
CI_DATA[2]
CI_ADDR[10]
CI_DATA[0-7]
CI_ADDR[0]
@netLa
CI_ADDR[13]
CI_DATA[0-7]
CI_DATA[0-7]
CI_ADDR[5]
FE_TS_DATA[4]
FE_TS_DATA[2]
PCM_D[7]
FE_TS_DATA[6]
CI_DATA[7]
CI_DATA[2]
CI_DATA[7]
CI_DATA[3]
CI_ADDR[2]
CI_ADDR[1]
CI_ADDR[9]
FE_TS_DATA[5]
PCM_D[1]
CI_DATA[1]
CI_ADDR[3]
CI_DATA[1]
PCM_D[0-7]
CI_DATA[4]
CI_ADDR[4]
PCM_D[3]
PCM_D[6]
CI_ADDR[12]
PCM_D[4]
PCM_D[0]
PCM_D[2]
CI_DATA[0]
CI_DATA[4]
PCM_D[5]
CI_DATA[5]
CI_DATA[5]
CI_DATA[6]
CI_ADDR[7]
FE_TS_DATA[1]
CI_DATA[3]
CI_ADDR[8]
C1907
0.1uF
16V
16V
+5V_Normal
L1902
BLM18PG121SN1D
CI_MCLKI
C1912
0.1uF
16V
0.1uF
16V
OPT
/CI_CD2
C1911
4.7uF
16V
4.7uF
16V
C1913
0.1uF
16V
0.1uF
16V
R1919
47
R1904
10K
Q1902
RSR025P03
S
D
G
CI_TS_DATA[2]
+5V_CI_ON
/CI_CD1
/PCM_IRQA
/CI_CD1
PCM_A[0]
PCM_A[12]
C1904
0.1uF
16V
0.1uF
16V
CI_WE
CI_MDI[0]
/PCM_IOWR
CI_ADDR[9]
CI_TS_DATA[4]
CI_WE
P1901
10067972-000LF
CI_SLOT_JACK
EAG41860102
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
69
CI_IOWR
Q1901
2SC3052
2SC3052
E
B
C
R1924
10K
C1906
10uF
10V
10uF
10V
+3.3V_CI
PCM_A[6]
FE_TS_DATA[0-7]
REG
AR1907
33
R1901
47
R1906
10K
R1916
0
OPT
AR1912
33
PCM_A[9]
L1901
BLM18PG121SN1D
C1910
0.1uF
16V
R1909
0
OPT
CI_ADDR[0]
CI_TS_DATA[1]
CI_DET
R1923
10K
OPT
CI_ADDR[4]
CI_MDI[6]
CI_DET
GND
AR1903
33
AR1913
33
CI_TS_DATA[6]
R1917
10K
PCM_RST
R1913
10K
10K
R1908
100
PCM_A[1]
CI_ADDR[2]
/PCM_CD
CI_MDI[5]
PCM_5V_CTL
PCM_A[7]
AR1908
33
CI_OE
+3.3V_CI
CI_ADDR[8]
GND
CI_OE
CI_TS_CLK
C1909
0.1uF
CI_ADDR[7]
CI_IORD
CI_DATA[0-7]
CI_ADDR[1]
CI_MDI[3]
PCM_A[11]
CI_ADDR[6]
P1902
10067972-050LF
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
69
C1901
0.1uF
OPT
CI_ADDR[12]
/CI_CD2
FE_TS_SYNC
CI_ADDR[14]
CI_MDI[5]
CI_IORD
IC1901
74LVC1G32GW
CI_SLOT_OR_GATE_NXP
3
GND
2
A
4
Y
1
B
5
VCC
CI_ADDR[3]
CI_TS_VAL
PCM_A[14]
CI_ADDR[11]
/PCM_WAIT
CI_TS_SYNC
C1902
0.1uF
AR1909
33
CI_IOWR
C
1
9
0
8
0
.
1
u
F
1
6
V
OPT
R1902
47
REG
CI_MDI[7]
CI_ADDR[13]
GND
/PCM_OE
CI_MDI[3]
CI_MDI[4]
PCM_A[4]
R1922
2.2K
IC1902
TC74LCX244FT
0ITO742440D
TOSHIBA
3
2Y4
2
1A1
4
1A2
1
1OE
6
1A3
5
2Y3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
/PCM_REG
CI_MDI[2]
+5V_Normal
CI_MDI[0]
CI_MCLKI
CI_MIVAL_ERR
AR1904
33
R1910
0
OPT
PCM_A[5]
/PCM_CE
R1914
22K
22K
CI_MDI[7]
PCM_A[2]
CI_MISTRT
AR1905
33
R1915
47
/PCM_WE
CI_MDI[4]
R1903
10K
+3.3V_CI
R1920
100
R1912
10K
OPT
PCM_A[10]
+5V_Normal
FE_TS_VAL_ERR
CI_DATA[0-7]
AR1906
33
CI_ADDR[5]
CI_TS_DATA[7]
CI_ADDR[10]
GND
/PCM_IORD
R1918
47
AR1901
33
CI_TS_DATA[3]
+5V_CI_ON
R1907
100
CI_TS_DATA[5]
CI_MDI[1]
CI_TS_DATA[0]
CI_MDI[2]
FE_TS_CLK
PCM_A[8]
PCM_D[0-7]
C1903
0.1uF
16V
0.1uF
16V
PCM_A[3]
C1905
0.1uF
GND
CI_MIVAL_ERR
+3.3V_CI
CI_MISTRT
R1905
10K
CI_MDI[1]
CI_ADDR[0-14]
CI_MDI[6]
+3.3V_Normal
R1921
10K
PCM_A[13]
GND
R1925
33
R1926
33
R1927
33
C1914
12pF
50V
12pF
50V
PCMCI
20110324
20
GP3_S7LR
CI TS INPUT
CI SLOT
CI HOST I/F
CI DETECT
* Option name of this page : CI_SLOT
CI Region
(because of Hong Kong)
CI POWER ENABLE CONTROL
CLOSE TO MSTAR
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.
M
D
L
6
1
9
3
0
0
0
1
G
A
S
5
DO_NOT_APPLY
M
D
L
6
1
9
3
0
0
0
1
G
A
S
3
DO_NOT_APPLY
M
D
L
6
1
9
3
0
0
0
1
G
A
S
6
DO_NOT_APPLY
M
D
L
6
1
9
3
0
0
0
1
G
A
S
2
DO_NOT_APPLY
M
D
L
6
1
9
3
0
0
0
1
G
A
S
1
DO_NOT_APPLY
M
D
L
6
1
9
3
0
0
0
1
G
A
S
7
DO_NOT_APPLY
M
D
L
6
1
9
3
0
0
0
1
G
A
S
4
DO_NOT_APPLY
MDS62110205
GAS3-*2
7.5T_GAS
MDS62110209
GAS7-*5
8.5T_GAS
MDS62110204
GAS1-*1
5.5T_GAS
MDS61887708
GAS4-*4
12.5T_GAS
MDS62110204
GAS3-*1
5.5T_GAS
MDS61887708
GAS5-*4
12.5T_GAS
MDS61887708
GAS7-*4
12.5T_GAS
MDS62110204
GAS4-*1
5.5T_GAS
MDS62110205
GAS5-*2
7.5T_GAS
MDS62110205
GAS4-*2
7.5T_GAS
MDS62110209
GAS1-*5
8.5T_GAS
MDS62110205
GAS2-*2
7.5T_GAS
MDS62110209
GAS3-*5
8.5T_GAS
MDS62110209
GAS5-*5
8.5T_GAS
MDS62110209
GAS6-*5
8.5T_GAS
MDS62110205
GAS1-*2
7.5T_GAS
MDS61887708
GAS6-*4
12.5T_GAS
MDS62110204
GAS6-*1
5.5T_GAS
MDS61887708
GAS2-*4
12.5T_GAS
MDS61887708
GAS1-*4
12.5T_GAS
MDS62110204
GAS2-*1
5.5T_GAS
MDS62110205
GAS6-*2
7.5T_GAS
MDS62110205
GAS7-*2
7.5T_GAS
MDS62110204
GAS5-*1
5.5T_GAS
MDS62110204
GAS7-*1
5.5T_GAS
MDS62110209
GAS2-*5
8.5T_GAS
MDS62110209
GAS4-*5
8.5T_GAS
MDS61887708
GAS3-*4
12.5T_GAS
MDS62110206
GAS7-*6
6.5T_GAS
MDS62110206
GAS3-*6
6.5T_GAS
MDS62110206
GAS2-*6
6.5T_GAS
MDS62110206
GAS4-*6
6.5T_GAS
MDS62110206
GAS5-*6
6.5T_GAS
MDS62110206
GAS6-*6
6.5T_GAS
MDS62110206
GAS1-*6
6.5T_GAS
MDS62110214
GAS6-*3
9.5T_GAS
MDS62110214
GAS1-*3
9.5T_GAS
MDS62110214
GAS4-*3
9.5T_GAS
MDS62110214
GAS2-*3
9.5T_GAS
MDS62110214
GAS7-*3
9.5T_GAS
MDS62110214
GAS3-*3
9.5T_GAS
MDS62110214
GAS5-*3
9.5T_GAS
SMD_GAS
20110324
20
GP3_S7LR
SMD GASKET