Ci Region; Ci Slot - LG 42LB55 series Service Manual

CI Region

CI SLOT

+5V_Normal
R1908
10K
/CI_CD1
AR1900
33
CI_TS_DATA[4]
CI_TS_DATA[5]
CI_TS_DATA[6]
CI_TS_DATA[7]
CI_IORD
CI_IOWR
CI_MDI[0]
CI_MDI[1]
CI_MDI[2]
CI_MDI[3]
CI_MDI[4]
CI_MDI[5]
+5V_Normal
CI_MDI[6]
R1900
CI_MDI[7]
10K
R1903 47
PCM_RST
R1904
47
/PCM_WAIT
CLOSE TO MSTAR
REG
R1905 100
CI_TS_CLK
33
R1906
CI_TS_VAL
R1907 33
CI_TS_SYNC
AR1901 33
CI_TS_DATA[0]
CI_TS_DATA[1]
CI_TS_DATA[2]
CI_TS_DATA[3]
/CI_CD2
+5V_Normal
C1900
2pF
50V
CLOSE TO MSTAR
CI_MISTRT
CI_MIVAL_ERR
CI_MCLKI
CI DETECT
+3.3V_Normal
OR_GATE_CI_PHILIPS
IC1900
74LVC1G32GW
B 1 5 VCC
/CI_CD2
/CI_CD1 A 2
GND 3 4 Y
OR_GATE_CI_TI OR_GATE_CI_TOSHIBA
IC1900-*1 IC1900-*2
SN74LVC1G32DCKR TOSHIBA ELECTRONICS KOREA CORPORATION
A VCC IN_B VCC
1 5 1 5
B IN_A
2 2
GND Y GND OUT_Y
3 4 3 4
CI POWER ENABLE CONTROL
IC1901
+5V_Normal
AP2151WG-7
IN
5 1
2
R1902
100 EN
4 3
PCM_5V_CTL
R1901
10K
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.
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+5V_CI_ON
C1903
10uF
10V
CI_SLOT_JACK
P1900
10067972-000LF
R1914
35 1
100
36 2
37 3
38 4
39 5
40 6
41 7
42 8
R1910 10K
43 9
44 10
45 11
46 12
47 13
48 14
49 15
50 16
51 17
C1901 52 18
GND
0.1uF
53 19
54 20
55 21
56 22
R1911 10K
57 23
58 24
59 25
60 26
61 27
62 28
63 29
64 30
65 31
66 32
67 33
68 34
G2 69 G1
R1912
100
GND
GND
R1909
10K
GND
+3.3V_Normal
R1913
10K
R1924
0
CI_DET
/PCM_CD
R1915
47
+5V_CI_ON
L1900
BLM18PG121SN1D
OUT
GND
R1916
C1902
100K
1uF
FLG
10V
CI_DATA[0-7]
CI_DATA[3]
CI_DATA[4]
CI_DATA[5] R1919
10K
CI_DATA[6]
CI_DATA[7]
R1917 47
/PCM_CE
CI_ADDR[10]
CI_OE
CI_ADDR[11]
+5V_Normal
CI_ADDR[9]
CI_ADDR[8]
R1920
CI_ADDR[13]
10K
CI_ADDR[14]
CI_WE
R1918 100
/PCM_IRQA
C1904 C1905
0.1uF 0.1uF
GND
CI_ADDR[12]
CLOSE TO MSTAR
CI_ADDR[7]
GND
CI_ADDR[6]
CI_ADDR[5]
CI_ADDR[4]
CI_ADDR[3]
CI_ADDR[2]
CI_ADDR[1]
CI_ADDR[0]
CI_DATA[0]
CI_DATA[1]
CI_ADDR[0-14]
CI_DATA[2]
* Option name of this page : CI_SLOT
(because of Hong Kong)
CI TS INPUT
AR1903 33
FE_TS_DATA[7]
CI_MDI[7]
FE_TS_DATA[6]
CI_MDI[6]
FE_TS_DATA[5]
CI_MDI[5]
FE_TS_DATA[4]
CI_MDI[4]
AR1904 33
FE_TS_DATA[3]
CI_MDI[3]
FE_TS_DATA[2]
CI_MDI[2]
FE_TS_DATA[1]
CI_MDI[1]
FE_TS_DATA[0]
CI_MDI[0]
R1921 33
CI_MISTRT FE_TS_SYNC
R1922 33
FE_TS_VAL_ERR
CI_MIVAL_ERR
R1923 100
CI_MCLKI FE_TS_CLK
CI HOST I/F
CI_DET
IC1902
1OE BUFFER_ORG
1
1A1
2
PCM_A[0]
AR1902
100
2Y4
3
CI_ADDR[7]
CI_ADDR[6]
1A2
CI_ADDR[5]
4
PCM_A[1]
CI_ADDR[4]
2Y3
5
1A3
6
PCM_A[2]
2Y2
7
1A4
8
PCM_A[3]
2Y1
9
GND
10
AR1905 33
CI_DATA[0] PCM_D[0]
CI_DATA[1] PCM_D[1]
CI_DATA[2] PCM_D[2]
CI_DATA[3] PCM_D[3]
AR1906 33
CI_DATA[4] PCM_D[4]
CI_DATA[5] PCM_D[5]
CI_DATA[6] PCM_D[6]
CI_DATA[7] PCM_D[7]
CI_DATA[0-7]
AR1908 33
CI_ADDR[8] PCM_A[8]
CI_ADDR[9] PCM_A[9]
CI_ADDR[10] PCM_A[10]
CI_ADDR[11] PCM_A[11]
AR1909 33
CI_ADDR[12] PCM_A[12]
CI_ADDR[13] PCM_A[13]
CI_ADDR[14] PCM_A[14]
/PCM_REG
REG
AR1907 33
CI_OE /PCM_OE
CI_WE /PCM_WE
CI_IORD /PCM_IORD
CI_IOWR /PCM_IOWR
NC5_M1A
PCMCI
FE_TS_DATA[0-7]
+3.3V_Normal
C1906
0.1uF
VCC 16V
20
2OE
19
AR1910
100
1Y1
18
CI_ADDR[0]
CI_ADDR[1]
2A4
CI_ADDR[2]
17
PCM_A[7]
CI_ADDR[3]
1Y2
16
2A3
15
PCM_A[6]
1Y3
14
2A2
13
PCM_A[5]
1Y4
12
2A1
11
PCM_A[4]
IC1902-*1
74LCX244FT
1OE BUFFER_CI VCC
1 20
1A1 2OE
2 19
PCM_D[0-7]
2Y4 1Y1
3 18
1A2 2A4
4 17
2Y3 1Y2
5 16
1A3 2A3
6 15
2Y2 1Y3
7 14
1A4 2A2
8 13
2Y1 1Y4
9 12
GND 2A1
10 11
2013.04.29
19
LGE Internal Use Only