Read LG 42LH250C (CHASSIS:LD91Z) 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.
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_DET 005:AC9
/CI_CD2
0 0 5 : E 1 2
/CI_CD1
005:D4
CI_MDI[6]
/PCM_WAIT
PCM_D[0-7]
CI_IOWR
CI_MDI[4]
CI_TS_DATA[5]
CI_WE
10067972-050LF
EAG41860101
P500
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
100
R510
CI_MIVAL_ERR
CI_OE
/PCM_IORD
REG
CI_MDI[5]
CI_MDI[4]
10K
R506
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]
10K
R507
10K
R508
FE_TS_VAL_ERR
PCM_A[6]
10K
R505
PCM_A[12]
PCM_A[10]
CI_ADDR[13]
100
R516
CI_MDI[6]
0 . 1 u F
16V
16V
C511
CI_MDI[3]
CI_ADDR[2]
CI_ADDR[1]
0 . 1 u F
16V
16V
C509
PCM_A[7]
0 . 1 u F
16V
16V
C502
GND
100
R511
CI_MDI[0]
CI_IORD
GND
CI_ADDR[11]
PCM_RST
/PCM_IRQA
47
R500
+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
005:D14
CI_MDI[7]
CI_MDI[1]
/PCM_WE
CI_TS_DATA[4]
0 . 1 u F
16V
16V
C501
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
10K
R509
/PCM_OE
CI_ADDR[5]
CI_MDI[7]
PCM_A[5]
GND
CI_TS_DATA[3]
10K
R517
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
001:AA10
47
R503
47
R515
+3.3V_CI
+3.3V_CI
33
AR503
33
AR500
33
AR504
33
AR506
33
AR507
33
AR508
33
AR509
33
AR510
33
AR511
33
AR512
33
AR513
CI_MCLKI
74LVC541A(PW)
BUFFER
IC502
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
0 0 5 : A F 5 ; 0 1 0 : K 1 4
FE_TS_VAL_ERR
0 0 5 : A F 5 ; 0 1 0 : X 1 7
FE_TS_SYN
0 0 5 : A F 5 ; 0 1 0 : K 1 4
BUF_TS_CLK
BUF_TS_VAL_ERR
BUF_TS_SYN
BUF_TS_DATA[0]
FE_TS_DATA[0]
005:AH5;010:K14
0 . 1 u F
16V
C510
0 . 1 u F
C508
0 . 1 u F
C503
0.1uF
C512
47
R521
47
R519
10K
R518
10K
R520
10uF
10V
10V
C505
10K
R522
10K
R523
0
OPT
R513
0
OPT
R514
0
OPT
R512
TOSHIBA
TC74LCX244FT
0ITO742440D
IC501
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
74LVC1G32GW
IC500
3
GND
2
A
4
Y
1
B
5
VCC
47
R526
47
R528
47
R527
47
R525
10K
R502
2SC3052
Q500
E
B
C
0 . 1 u F
16V
16V
C500
+5V_ST
PCM_5V_CTL
RSR025P03
Q501
S
D
G
+5V_CI_ON
0 . 1 u F
16V
16V
C507
33K
R501
33K
R524
2.2K
R529
22K
R504
10uF
10V
10V
C504
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]
DVB-CI DETECT
DVB-CI SLOT
DVB-CI TS INPUT
DVB-CI HOST I/F
DVB-CI SERIAL BUFFER TS
5 1 1
PCMCIA
CI POWER ENABLE CONTROL
2 0 0 9 . 0 6 . 0 9
EAX61353501
COMMERCIAL_LITE LH250
CMCIA
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