LG 49LF550T, Service Manual

Page: 25 / 77

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
PCMCI_EU
2014/06/25
19
L14_CA_M1A
FE_TS_DATA[7]
CI_ADDR[4]
CI_ADDR[3]
CI_ADDR[5]
FE_TS_DATA[3]
CI_ADDR[7]
CI_DATA[4]
FE_TS_DATA[0]
CI_ADDR[0]
CI_DATA[0-7]
CI_DATA[0-7]
CI_DATA[4]
CI_DATA[6]
CI_DATA[0]
CI_DATA[0]
CI_ADDR[2]
CI_DATA[7]
CI_DATA[5]
PCM_D[2]
FE_TS_DATA[6]
CI_DATA[5]
CI_DATA[3]
PCM_D[0]
PCM_D[4]
CI_DATA[7]
CI_DATA[0-7]
CI_DATA[1]
PCM_D[7]
CI_ADDR[13]
PCM_D[1]
CI_ADDR[10]
PCM_D[0-7]
CI_ADDR[6]
CI_DATA[2]
FE_TS_DATA[5]
CI_ADDR[12]
CI_ADDR[14]
CI_ADDR[9]
PCM_D[6]
CI_ADDR[11]
CI_DATA[2]
CI_ADDR[8]
CI_DATA[3]
FE_TS_DATA[2]
FE_TS_DATA[1]
PCM_D[3]
PCM_D[5]
CI_ADDR[1]
FE_TS_DATA[4]
FE_TS_DATA[0-7]
CI_DATA[6]
CI_DATA[1]
R1905 100
CI_MIVAL_ERR
CI_MDI[5]
PCM_A[3]
R1917
47
CI_IOWR
GND
AR1908
33
R1914
100
/PCM_IORD
CI_DET
CI_OE
CI_ADDR[13]
/CI_CD2
CI_TS_DATA[7]
CI_ADDR[9]
PCM_A[6]
CI_MDI[0]
PCM_A[8]
CI_DATA[0-7]
CI_MDI[4]
CI_ADDR[14]
+5V_CI_ON
R1903 47
CI_MDI[3]
/PCM_CE
CI_TS_DATA[2]
CI_TS_DATA[6]
CI_MDI[1]
PCM_A[2]
PCM_A[0]
PCM_A[13]
CI_DET
R1907 33
CI_ADDR[11]
L1900
BLM18PG121SN1D
AR1905
33
CI_MDI[6]
CI_ADDR[8]
+5V_Normal
CI_TS_DATA[5]
FE_TS_VAL_ERR
FE_TS_CLK
GND
CI_MDI[7]
FE_TS_SYNC
R1910 10K
R1904
47
/PCM_IOWR
/PCM_WE
/PCM_OE
GND
PCM_A[5]
C1904
0.1uF
CI_IOWR
CI_MDI[6]
CI_DATA[0-7]
CI_WE
GND
CI_TS_DATA[1]
/CI_CD2
CI_TS_DATA[3]
CI_MDI[7]
AR1909
33
CI_IORD
C1900
2pF
50V
R1909
10K
PCM_A[11]
C1906
0.1uF
16V
PCM_A[14]
/PCM_IRQA
CI_MDI[2]
CI_OE
CI_MIVAL_ERR
CI_MDI[0]
REG
CI_ADDR[0-14]
/CI_CD1
CI_MDI[2]
PCM_A[1]
REG
CI_TS_SYNC
+5V_Normal
PCM_A[4]
R1906
33
C1903
10uF
10V
PCM_A[12] CI_ADDR[12]
CI_MISTRT
AR1903
33
CI_MCLKI
PCM_A[9]
CI_TS_CLK
C1901
0.1uF
GND
CI_ADDR[10]
AR1907
33
AR1904
33
CI_IORD
CI_TS_DATA[4]
CI_MDI[5]
CI_MDI[3]
AR1900
33
R1911
10K
R1913
10K
/PCM_REG
R1919
10K
PCM_RST
AR1901
33
R1908
10K
CI_MCLKI
FE_TS_DATA[0-7]
PCM_D[0-7]
R1912
100
PCM_A[7]
CI_MDI[1]
PCM_A[10]
CI_TS_VAL
CI_MDI[4]
R1918 100
/CI_CD1
CI_WE
AR1906
33
CI_TS_DATA[0]
/PCM_WAIT
CI_MISTRT
+3.3V_Normal
+3.3V_Normal
R1900
10K
+5V_Normal
C1905
0.1uF
+5V_Normal
R1920
10K
GND
+3.3V_Normal
R1915
47
/PCM_CD
P1900
10067972-000LF
CI_SLOT_JACK
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
R1921 33
R1922 33
R1923 100
PCM_5V_CTL
R1902
100
R1916
100K
R1901
10K
+5V_CI_ON +5V_Normal
IC1901
AP2151WG-7
3
FLG
2
GND
4
EN
1
OUT
5
IN
CI_ADDR[1]
CI_ADDR[2]
CI_ADDR[0]
CI_ADDR[3]
CI_ADDR[6]
CI_ADDR[4]
CI_ADDR[5]
CI_ADDR[7]
AR1910
100
AR1902
100
R1924
0
C1902
1uF
10V
IC1900
TOSHIBA ELECTRONICS KOREA CORPORATION
OR_GATE_CI_TOSHIBA
3 GND
2 IN_A
4 OUT_Y
1 IN_B 5 VCC
IC1900-*1
74LVC1G32GW
OR_GATE_CI_NXP
3
GND
2
A
4
Y
1
B
5
VCC
IC1902
74LCX244FT
BUFFER_ORG
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
IC1902-*1
TC74LCX244FT
BUFFER_CI
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
CI TS INPUT
CI POWER ENABLE CONTROL
CLOSE TO SOC
CI SLOT
CI DETECT
CI HOST I/F
* Option name of this page : CI_SLOT
CI Region
(because of Hong Kong)
CLOSE TO SOC
CLOSE TO SOC
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Only for training and service purposes
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