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P4R_GLOBAL_TUNER_BLOCK
R1001
RF_SW_OPT
TU1001
TDSN_B001F
SI2176_BR_2INPUT_H
RF_S/W_CTL
1
C1001
R1040
RESET
0 . 1 u F
10K
2
16V
RF_SW_OPT
SCL
3
SDA
4
+B1[3.3V]
5
SIF
6
+B2[1.8V]
7
CVBS
8
NC_1
9
NC_2
10
NC_3
+1.23V_TU
11
FULL_NIM_SS
+B3[3.3V]
L1001
12
L1001-*1
120
+B4[1.23V]
MLB-201209-0120P-N2
13
FULL_NIM_MAG
NC_4
C1002
0 . 1 u F
14
16V
FULL_NIM
GND
15
ERROR
16
SYNC
17
VALID
18
MCLK
19
D0
20
D1
21
D2
22
D3
23
D4
24
D5
25
D6
LNA_CTRL_1
26
57
D7
LNA_CTRL_2
27
58
B1
A1
B1
A1
B1
B1
28
SHIELD
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 © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
1K
RF_SWITCH_CTL
P u l l - u p c a n ' t b e a p p l i e d
because of MODEL_OPT_2
TU1003
TU1002
TDSS-G102D
TDSN-T701F(B)
SI2176_DVB_1INPUT_H
SI2178_TW_LNA_2INPUT_H
NC
RF_S/WCTL
1
1
RESET
RESET
2
2
SCL
SCL
3
3
SDA
SDA
4
4
+B1[3.3V]
B1[+3.3V]
5
5
SIF
SIF
6
6
+B2[1.8V]
B 2 [ 1 . 8 V ]
7
7
CVBVS
CVBS
8
8
IF_AGC
IF_AGC
9
9
D I F [ P ]
D I F [ P ]
10
10
DIF[N]
DIF[N]
11
11
NC_1
B1
A1
12
B1
A1
NC_2
13
12
NC_3
14
GND
SHIELD
15
NC_4
16
NC_5
17
NC_6
18
NC_7
19
NC_8
20
NC_9
21
NC_10
22
TW_FE_LNA FILTER_SETTING
NC_11
23
NC_12
Frequence
CTRL_1
CTRL_2
24
NC_13
54MHz~350MHz
1
0
25
NC_14
0
0
350Hz~450MHz
26
NC_15
0
1
450Hz~870MHz
27
A1
A1
TW_FE_LNA
LNA_CTRL_1
59
2.2K
R1042
LNA_CTRL_2
2.2K
R1041
SHIELD
TW_FE_LNA
C1031
C1030
0 . 1 u F
0 . 1 u F
16V
16V
TW_FE_LNA
TW_FE_LNA
close to TUNER
FE_TS_SYNC
FE_TS_VAL_ERR
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
BUSING_SI2176_BR_2INPUT_H
Inner_SI2176_BR_2INPUT_H
TU1001-*1
TU1001-*2
TDSN-B001F(B)
TDSN-B001F(C)
RF_S/W_CTL
RF_S/W_CTL
1
1
RESET
RESET
2
2
SCL
SCL
3
3
SDA
SDA
4
4
+B1[3.3V]
+B1[3.3V]
5
5
SIF
SIF
6
6
+B2[3.3V]
+B2[1.8V]
7
7
CVBS
CVBS
8
8
NC_1
NC_1
9
9
NC_2
NC_2
10
10
NC_3
NC_3
11
11
+B3[3.3V]
+B3[3.3V]
12
12
+B4[1.23V]
+B4[1.23V]
13
13
NC_4
NC_4
14
14
GND
GND
15
15
ERROR
ERROR
16
16
SYNC
SYNC
17
17
VALID
VALID
18
18
MCLK
19
MCLK
19
D0
D0
20
20
D1
D1
21
21
D2
D2
22
22
D3
D3
23
23
D4
D4
24
24
D5
D5
25
25
D6
D6
26
26
D7
D7
27
27
B1
A1
B1
A1
B1
A1
B1
A1
28
28
SHIELD
SHIELD
C1004-*1
0
ASIA
C1004
close to TUNER
0 . 1 u F
16V
NON_ASIA
+1.2V/+1.8V_TU
C1003
C1005
C1006
100pF
0 . 1 u F
22uF
25V
50V
16V
R1007
NON_BR
C1012
0 . 1 u F
16V
F i l t e r _ T y p e
+3.3V_TU
LPF
Through
AZ1117BH-1.8TRE1
HPF
IN
R1005
10K
FULL_NIM_OPT
VCTRL
+5V_Normal
FE_TS_DATA[0-7]
R1006
0
FULL_NIM_BCD
TU1002-*1
TU1002-*2
TU1002-*3
TDSS-H101F
TDSS-H101F(B)
TDSS-G201D(B)
NC
NC_1
NC
1
1
1
RESET
RESET
RESET
2
2
2
SCL
SCL
SCL
3
3
3
SDA
SDA
SDA
4
4
4
+B1[3.3V]
+B1[3.3V]
+3.3V
5
5
5
SIF
SIF
ALIF[N]
6
6
6
+B2[1.8V]
+ B 2 [ 1 . 8 ]
+1.8V
7
7
7
CVBS
CVBS
ALIF[P]
8
8
8
IF_AGC
IF_AGC
IF_AGC
9
9
9
D I F [ P ]
D I F [ P ]
DLIF[P]
10
10
10
DIF[N]
DIF[N]
DLIF[N]
11
11
11
B1
A1
B1
A1
B1
A1
B1
A1
B1
A1
B1
A1
12
12
12
SHIELD
SHIELD
SHIELD
+3.3V_TU
R1010
R1008
100K
100
TUNER_RESET
+3.3V_TU
C1014
0 . 1 u F
16V
R1019
1K
R1022
33
R1015
1K
33
R1014
TU_SDA
C1019
C1016
18pF
18pF
50V
50V
+3.3V_TU
C1011
C1009
0 . 1 u F
100pF
C1008
C1017
C1020
16V
50V
10uF
5pF
5pF
6.3V
50V
50V
OPT
OPT
c l o s e t o t h e t u n e r p i n , a d d , 0 9 0 2 9
R1016
510
ASIA
R1018
2K
100
ASIA
IF_AGC_MAIN
NON_BR
R1017
s h o u l d b e g u a r d e d b y g r o u n d
0
ASIA
NON_BR
R1002
0
R1003
0
NON_BR
C l o s e t o t h e t u n e r
+1.2V/+1.8V_TU
IC1001
OUT
3
2
1
R1009
ADJ/GND
1
1/16W
C1013
C1015
0 . 1 u F
10uF
16V
10V
a d d , 0 9 2 9
IC1002
AP2132MP-2.5TRG1
[ E P ]
+1.23V_TU
380mA
PG
GND
1
8
FULL_NIM_BCD
FULL_NIM_BCD
FULL_NIM_BCD
R1012
R1013
EN
ADJ
11K
10K
2
7
R1
VIN
VOUT
3
6
NC
FULL_NIM_BCD
4
5
C1018
R1011
0 . 1 u F
16V
20K
FULL_NIM
1005
R2
BCD Vo=0.6*(1+R1/R2)
T J V o = 0 . 8 * ( 1 + R 1 / R 2 )
+3.3V_TU
R1030
TU_BUFFER
470
R1032
82
E
TU_BUFFER
MMBT3906(NXP)
B
Q1002
C
R1027
4.7K
TU_BUFFER
+3.3V_TU
TU_SCL
TU_BUFFER
TU_BUFFER
R1031
R1029
220
220
NON_ASIA R1023
0
NON_ASIA R1024
0
R1020
510
ASIA
R1021
0
ASIA
IF_N_MSTAR
IF_P_MSTAR
1 . s h o u l d b e g u a r d e d b y g r o u n d
2 . N o v i a o n b o t h o f t h e m
3 . S i g n a l W i d t h > = 1 2 m i l s
S i g n a l t o S i g n a l W i d t h = 1 2 m i l s
G r o u n d W i d t h > = 2 4 m i l s
+3.3V_TU
+3.3V_Normal
S i z e c h a n g e , 0 9 2 9
L1003
MLB-201209-0120P-N2
60mA
C1024
C1025
C1026
C1027
22uF
0 . 1 u F
22uF
0 . 1 u F
10V
16V
10V
16V
LA2AW
2 0 1 2 . 0 9 . 1 1
10
TUNER
LGE Internal Use Only
TU_SIF
TU_CVBS
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