LG 32LT670H, Service Manual

Page: 39 / 41

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.
0 . 1 u F
16V
C1907
+5V_Normal
BLM18PG121SN1D
L1902
CI_MCLKI
0 . 1 u F
16V
C1912
OPT
/CI_CD2
4 . 7 u F
16V
C1911
0 . 1 u F
16V
C1913
47 R1919
10K
R1904
RSR025P03
Q1902
S D
G
CI_TS_DATA[2]
+5V_CI_ON
/CI_CD1
/PCM_IRQA
/CI_CD1
PCM_A[0]
PCM_A[12]
0 . 1 u F
16V
C1904
CI_WE
CI_MDI[0]
/PCM_IOWR
CI_ADDR[9]
CI_TS_DATA[4]
CI_WE
10067972-000LF
EAG41860102
P1901
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
CI_IOWR
2SC3052
Q1901
E
B
C
10K
R1924
10uF
10V
C1906
+3.3V_CI
PCM_A[6]
FE_TS_DATA[0-7]
REG
33
AR1907
47 R1901
10K R1906
0
OPT
R1916
33
AR1912
PCM_A[9]
BLM18PG121SN1D
L1901
0.1uF
16V
C1910
0
OPT
R1909
CI_ADDR[0]
CI_TS_DATA[1]
CI_DET
10K
OPT
R1923
CI_ADDR[4]
CI_MDI[6]
CI_DET
GND
33
AR1903
33
AR1913
CI_TS_DATA[6]
10K
R1917
PCM_RST
10K
R1913
100 R1908
PCM_A[1]
CI_ADDR[2]
/PCM_CD
CI_MDI[5]
PCM_5V_CTL
PCM_A[7]
33
AR1908
CI_OE
+3.3V_CI
CI_ADDR[8]
GND
CI_OE
CI_TS_CLK
0 . 1 u F
C1909
CI_ADDR[7]
CI_IORD
CI_DATA[0-7]
CI_ADDR[1]
CI_MDI[3]
PCM_A[11]
CI_ADDR[6]
10067972-050LF
P1902
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
0.1uF
C1901
OPT
CI_ADDR[12]
/CI_CD2
FE_TS_SYNC
CI_ADDR[14]
CI_MDI[5]
CI_IORD
74LVC1G32GW
IC1901
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
0.1uF
C1902
33
AR1909
CI_IOWR
0.1uF
16V
C1908
OPT
47 R1902
REG
CI_MDI[7]
CI_ADDR[13]
GND
/PCM_OE
CI_MDI[3]
CI_MDI[4]
PCM_A[4]
2.2K
R1922
TOSHIBA
TC74LCX244FT
0ITO742440D
IC1902
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
33
AR1904
0
OPT
R1910
PCM_A[5]
/PCM_CE
22K
R1914
CI_MDI[7]
PCM_A[2]
CI_MISTRT
33
AR1905
47
R1915
/PCM_WE
CI_MDI[4]
10K
R1903
+3.3V_CI
100 R1920
10K
R1912
OPT
PCM_A[10]
+5V_Normal
FE_TS_VAL_ERR
CI_DATA[0-7]
33
AR1906
CI_ADDR[5]
CI_TS_DATA[7]
CI_ADDR[10]
GND
/PCM_IORD
47
R1918
33
AR1901
CI_TS_DATA[3]
+5V_CI_ON
100 R1907
CI_TS_DATA[5]
CI_MDI[1]
CI_TS_DATA[0]
CI_MDI[2]
FE_TS_CLK
PCM_A[8]
PCM_D[0-7]
0 . 1 u F
16V
C1903
PCM_A[3]
0 . 1 u F
C1905
GND
CI_MIVAL_ERR
+3.3V_CI
CI_MISTRT
10K
R1905
CI_MDI[1]
CI_ADDR[0-14]
CI_MDI[6]
+3.3V_Normal
10K R1921
PCM_A[13]
GND
33 R1925
33 R1926
33 R1927
12pF
50V
C1914
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]
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]
PCMCI
20110324
20
GP3_S7LR
CI TS INPUT
CI SLOT
CI HOST I/F
CI DETECT
* O p t i o n n a m e o f t h i s p a g e : C I _ S L O T
C I R e g i o n
( b e c a u s e o f H o n g K o n g )
CI POWER ENABLE CONTROL
CLOSE TO MSTAR
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only