LG 42LV375H Service Manual page 38

CI CONTROL BUFFER
D3.3V
IC4500
MC74LCX541DTR2G
VCC
20
OE2
19
O0
/CI_CE1 18
O1
/CI_CE2 17
O2
/CI_WE 16
O3
/CI_IOWR 15
O4
/CI_OE 14
O5
/CI_IORD 13
O6
12
O7
11 10
C I _ D [ 0 - 7 ]
AR4511
CI_D[3] 33
CI_D[4]
CI_D[5]
CI_D[6]
AR4507
CI_D[7] 33
CI_D[0]
CI_D[1]
CI_D[2]
C I _ A [ 0 - 1 4 ]
47 R4501
/CI_CE1
33
AR4518
47 R4502
CI_A[10]
/CI_OE
CI_A[11]
CI_A[9]
CI_A[8]
CI_A[13]
CI_A[14]
47 R4500
CI_A[12]
/CI_WE
/CI_IREQ
AR4509
33
33
AR4506
CI_A[7]
CI_A[6]
CI_A[5]
CI_A[4]
CI_A[3]
CI_A[2]
CI_A[1]
CI_A[0]
AR4513
33
/ C I _ I O I S 1 6
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 © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
AR4515
10K
CI_A[0]
CI_A[1]
CI_A[2]
CI_A[3]
D3.3V
AR4517
10K
CI_A[4]
CI_A[5]
OE1 /CI_SEL
1
CI_A[6]
D0
2 EBI_CS
CI_A[7]
D1
3
AR4501
D2
10K
4 NAND_WEb
CI_A[8]
D3
5 EBI_WE
CI_A[9]
D4 NAND_REb
6 CI_A[10]
D5
7 NAND_ALE CI_A[11]
D6
8
D7
9 AR4504
10K
GND
CI_A[12]
CI_A[13]
+5V_CI_Vs
R4510
100
P4500
10067972-000LF
C4505
0 . 1 u F
1 35
2 36
3 37
4 38
5 39
6 40
7 41
8 42
9 43
10 44
11 45
12 46
13 47
14 48
15 49
16 50
17 51
R4505 R4507
100
C4502 18 52 C4503
0 . 1 u F 0 . 1 u F
0 19 53 OPT
20 54
21 55
22 56
23 57
24 58
25 59
R4506
100
26 60
/CI_INPACK
27 61
0 R4508
28 62
29 63
30 64
31 65
32 66
R4504 100
33 67
34 68
G1 69 G2
R4509
100
C I _ A [ 0 - 1 3 ]
/CI_CD1
AR4502 33 CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
CI_OUTDATA[4]
CI_OUTDATA[5]
CI_OUTDATA[6]
CI_OUTDATA[7]
/CI_CE2
/CI_VS1
/CI_IORD
/CI_IOWR
AR4512 33
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
33
AR4516
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
AR4505 33
CI_MOD_RESET
47 R4511
/CI_WAIT
CI_OUTCLK
CI_OUTVALID
CI_OUTSTART
AR4514 33
CI_OUTDATA[0]
CI_OUTDATA[1]
CI_OUTDATA[2]
CI_OUTDATA[3]
AR4520 33
/CI_CD2
AR4519
33
CI POWER ENABLE CONTROL
+5V_NORMAL
0 . 1 u F
16V
R4512
10K
OPT
R4513
10K B
CI_5V_CTL
EBI_RW
C I _ D [ 0 - 7 ]
CI_D[0]
CI_D[1]
CI_D[2]
CI_D[3]
CI_D[4]
CI_D[5]
CI_D[6]
CI_D[7]
DVB-CI PULL-DOWN (Near CI Slot)
FE_TS_DATA[0-7]
DVB-CI PULL-UP (Near CI Slot)
/ C I _ I O I S 1 6
/CI_IREQ
/CI_WAIT
CI_OUTCLK
FE_TS_SYNC CI_MOD_RESET
FE_TS_VAL_ERR
FE_TS_DATA_CLK
+5V_CI_Vs
Q4501
RSR025P03
S
D
C4510
C4508
G
C4509 47uF 0 . 1 u F
16V 16V
4 . 7 u F
16V
OPT
R4526
2.2K
C
Q4500
2SC3052
E
D3.3V
IC4501 EBI_CS
74LVC245A
DIR VCC NAND_DATA[0-7]
1 20
NAND_DATA[0-7]
A0 OE
2 19
NAND_DATA[0]
A1 B0
3 18
NAND_DATA[1]
A2 B1
4 17
NAND_DATA[2]
A3 B2
5 16
NAND_DATA[3]
A4 B3
6 15
NAND_DATA[4]
A5 B4
7 14
NAND_DATA[5]
A6 B5
8 13
NAND_DATA[6]
A7 B6
9 12
NAND_DATA[7]
GND B7
10 11
/CI_INPACK
E x t e r n a l D e m o d .
+5V_NORMAL
/CI_VS1
/CI_CD1
/CI_CD2
/CI_CE1
/CI_CE2
Chameleon(EU_GP2_BCM3556)
xxLV375H-ZA 2 0 1 0 . 0 1 . 2 3
PCMCI 45
LGE Internal Use Only