LG 47LE7300 Service Manual page 25

CI CONTROL BUFFER
D3.3V
IC4500
MC74LCX541DTR2G
VCC
20
OE2
19
016:G13;016:AJ2 O0
/CI_CE1 18
016:T13;016:AJ2 /CI_CE2 O1
17
O2
/CI_WE 16
016:H12
O3
016:T12 /CI_IOWR 15
O4
14
016:G13 /CI_OE
O5
/CI_IORD 13
016:T13
O6
12
O7
11
016:AG22 CI_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]
CI_A[0-14]
47 R4501
/CI_CE1
33
AR4518
CI_A[10] 47 R4502
/CI_OE
CI_A[11]
CI_A[9]
CI_A[8]
CI_A[13]
CI_A[14]
CI_A[12] 47 R4500
/CI_WE
/CI_IREQ
[GP39]
AR4509
007:H5;016:AJ3
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
016:AJ3 [GP41] /CI_IOIS16
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 © 2010 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 007:H5
1
CI_A[6]
D0
2
EBI_CS
CI_A[7]
D1 007:E7;007:E6;016:AL23
3
AR4501
D2 10K
4 NAND_WEb 007:C2;007:E5
CI_A[8]
D3
5 EBI_WE
007:E6
CI_A[9]
D4 NAND_REb 007:C3;007:E6
6
CI_A[10]
D5
7 007:C2;007:E6
NAND_ALE CI_A[11]
D6
8
D7
9 AR4504
10K
GND
10
CI_A[12]
CI_A[13]
+5V_CI_Vs
R4510
100
P4500
10067972-000LF C4505
0.1uF
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
0.1uF 0.1uF
0 OPT
19 53
20 54
21 55
22 56
23 57
24 58
25 59
R4506
016:AL9 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
CI_A[0-13]
007:E7;016:C13
/CI_CD1
007:H6;016:AJ3
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
016:H25;016:AJ2
/CI_VS1 [GP26] 016:AJ3
/CI_IORD
016:H24
/CI_IOWR 016:H25
AR4512 33
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
AR4516 33
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
AR4505 33
007:G6;016:AJ2
CI_MOD_RESET [GP49]
47 R4511
/CI_WAIT 007:E6;016:AJ3
CI_OUTCLK
CI_OUTVALID
CI_OUTSTART
AR4514 33
CI_OUTDATA[0]
CI_OUTDATA[1]
CI_OUTDATA[2]
CI_OUTDATA[3]
AR4520 33
/CI_CD2
[GP38]
007:H5;016:AJ2
AR4519
33
CI POWER ENABLE CONTROL
+5V_NORMAL
0.1uF
16V
R4512
10K
OPT
C
R4513
10K B
CI_5V_CTL
007:H7 [GP27]
E
EBI_RW
007:E6
016:F16 CI_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)
/CI_IOIS16
/CI_IREQ
/CI_VS1
/CI_WAIT
CI_OUTCLK
/CI_CD1
/CI_CD2
/CI_CE1
/CI_CE2
FE_TS_SYNC CI_MOD_RESET
FE_TS_VAL_ERR
FE_TS_DATA_CLK
Q4501
+5V_CI_Vs
RSR025P03
S
D
C4510
C4508
G
C4509
47uF 0.1uF
4.7uF
16V 16V
16V
R4526
2.2K
Q4500
2SC3052
D3.3V
IC4501 EBI_CS
74LVC245A
007:E7;007:E6;016:K26
DIR VCC
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
A5 B4 NAND_DATA[4]
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
016:O9
External Demod.
+5V_NORMAL
EUROBBTV 2009.06.18
45
CI
LGE Internal Use Only