Read LG 37LH4000 / 37LH4010 / 37LH4020 (CHASSIS:LD91G) Service Manual 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.
CI_ADDR[4]
CI_DATA[7]
CI_DATA[5]
CI_ADDR[5]
CI_DATA[0]
CI_DATA[4]
CI_ADDR[13]
CI_ADDR[7]
CI_ADDR[12]
CI_ADDR[6]
CI_ADDR[14]
FE_TS_DATA[0-7]
CI_ADDR[0]
CI_ADDR[2]
CI_ADDR[1]
CI_ADDR[3]
CI_ADDR[11]
CI_DATA[6]
CI_ADDR[10]
CI_DATA[3]
CI_ADDR[8]
CI_ADDR[9]
CI_DATA[0-7]
CI_DATA[2]
CI_DATA[1]
CI_DATA[0-7]
CI_DATA[0]
CI_DATA[1]
CI_DATA[2]
CI_DATA[3]
CI_DATA[4]
CI_DATA[6]
CI_DATA[5]
CI_DATA[7]
PCM_D[0-7]
PCM_D[0]
PCM_D[1]
PCM_D[2]
PCM_D[3]
PCM_D[7]
PCM_D[4]
PCM_D[6]
PCM_D[5]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[5]
FE_TS_DATA[4]
FE_TS_DATA[3]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[0]
GND
CI_DET
AB9
/CI_CD2
E12
/CI_CD1
D4
CI_MDI[6]
/PCM_WAIT
PCM_D[0-7]
CI_IOWR
CI_MDI[4]
CI_TS_DATA[5]
CI_WE
P500
10067972-050LF
EAG41860101
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
CI_DET
CI_TS_DATA[7]
CI_MDI[2]
PCM_A[3]
CI_ADDR[0-14]
CI_MDI[3]
GND
R510
100
CI_MIVAL_ERR
CI_OE
/PCM_IORD
REG
CI_MDI[5]
CI_MDI[4]
R506
10K
CI_MDI[0]
CI_TS_VAL
CI_ADDR[8]
CI_TS_DATA[1]
/CI_CD1
CI_WE
CI_IOWR
CI_ADDR[0]
CI_ADDR[6]
CI_MDI[2]
R507
10K
R508
10K
FE_TS_VAL_ERR
PCM_A[6]
R505
10K
PCM_A[12]
PCM_A[10]
CI_ADDR[13]
R516
100
CI_MDI[6]
C511
0.1uF
16V
CI_MDI[3]
CI_ADDR[2]
CI_ADDR[1]
C509
0.1uF
16V
PCM_A[7]
C502
0.1uF
16V
GND
R511
100
CI_MDI[0]
CI_IORD
GND
CI_ADDR[11]
PCM_RST
/PCM_IRQA
R500
47
+5V_GENERAL
CI_ADDR[12]
+5V_GENERAL
CI_ADDR[14]
/CI_CD2
PCM_A[1]
CI_TS_CLK
PCM_A[8]
CI_OE
CI_MISTRT
D14
CI_MDI[7]
CI_MDI[1]
/PCM_WE
CI_TS_DATA[4]
C501
0.1uF
16V
GND
CI_TS_DATA[0]
FE_TS_CLK
CI_MCLKI
REG
PCM_A[4]
CI_MISTRT
PCM_A[9]
FE_TS_SYN
PCM_A[13]
/PCM_IOWR
R509
10K
/PCM_OE
CI_ADDR[5]
CI_MDI[7]
PCM_A[5]
GND
CI_TS_DATA[3]
R517
10K
CI_MIVAL_ERR
GND
/PCM_REG
CI_ADDR[3]
CI_MDI[5]
/PCM_CE
PCM_A[11]
CI_TS_DATA[2]
CI_ADDR[4]
+3.3V_CI
PCM_A[0]
PCM_A[2]
CI_ADDR[7]
CI_MDI[1]
CI_IORD
CI_TS_SYN
CI_ADDR[10]
PCM_A[14]
CI_ADDR[9]
FE_TS_DATA[0-7]
CI_TS_DATA[6]
+5V_GENERAL
+5V_CI_ON
CI_DATA[0-7]
CI_DATA[0-7]
/PCM_CD
1:AA10
R503
47
R515
47
+3.3V_CI
+3.3V_CI
AR503
33
AR500
33
AR504
33
AR506
33
AR507
33
AR508
33
AR509
33
AR510
33
AR511
33
AR512
33
AR513
33
CI_MCLKI
IC502
74LVC541A(PW)
BUFFER
3
A1
2
A0
4
A2
1
OE1
6
A4
5
A3
7
A5
8
A6
9
A7
10
GND
11
Y7
12
Y6
13
Y5
14
Y4
15
Y3
16
Y2
17
Y1
18
Y0
19
OE2
20
VCC
+3.3V_CI
FE_TS_CLK
AE5;10:J17
FE_TS_VAL_ERR
AE5;10:W19
FE_TS_SYN
AE5;10:J17
BUF_TS_CLK
BUF_TS_VAL_ERR
BUF_TS_SYN
BUF_TS_DATA[0]
FE_TS_DATA[0]
AG4;10:J17
C51
0
0.
1u
F
16V
C508
0.1uF
C503
0.1uF
C512
0.1uF
R521
47
R519
47
R518
10K
R520
10K
C505
10uF
10V
R522
10K
R523
10K
R513
0
OPT
R514
0
OPT
R512
0
OPT
IC501
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
IC500
74LVC1G32GW
3
GND
2
A
4Y
1
B
5
VCC
R526
47
R528
47
R527
47
R525
47
R502
10K
Q500
2SC3052
E
B
C
C500
0.1uF
16V
+5V_ST
PCM_5V_CTL
Q501
RSR025P03
S
D
G
+5V_CI_ON
C507
0.1uF
16V
R501
33K
R524
33K
R529
2.2K
R504
22K
C504
10uF
10V
DVB-CI DETECT
DVB-CI SLOT
DVB-CI TS INPUT
DVB-CI HOST I/F
DVB-CI SERIAL BUFFER TS
CI POWER ENABLE CONTROL
PCMCIA
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