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L14 TUNER_EU T/C_T2/C/S2_CHINA
TU3705
TDJK-T301F
TUNER_CSA_H/NIM
+3.3V
1
NC
2
DIF_AGC
3
SCL_RF
4
SDA_RF
5
DIF[P]
6
DIF[N]
7
SIF
8
CVBS
9
A1
B1
A1
B1
47
SHIELD
TU3700
TDJH-G301D
TUNER_T/C
+3.3V
1
NC_1
2
IF_AGC
3
SCL_RF
4
SDA_RF
5
IF[P]
6
IF[N]
7
SIF
8
CVBS
9
A1
B1
A1
B1
47
SHIELD
A1
TU3700-*1
TDJH-H301F
TUNER_NTSC
+3.3V
1
NC_1
2
DIF_AGC
3
SCL_RF
4
SDA_RF
5
DIF[P]
6
DIF[N]
7
SIF
8
CVBS
9
A1
B1
A1
B1
47
SHIELD
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TU3704
TU3706
TDJM-K301F
TDJM-G305D
TUNER_AJ/JA_T2
TUNER_CSA_T2
+3.3V
1
1
NC_1
2
2
NC_2
3
3
SCL_RF
4
4
SDA_RF
5
5
NC_3
6
6
NC_4
7
7
SIF
8
8
CVBS
9
9
NC_5
10
10
+3.3V_RF
11
11
ERROR
12
12
GND_1
13
13
MCLK
14
14
SYNC
15
15
VAILD
16
16
D0
17
17
D1
18
18
D2
19
19
D3
20
20
D4
21
21
D5
22
22
D6
23
23
D7
24
24
RESET_DEMOD
25
25
+3.3V_DEMOD
26
26
SCL_DEMOD
27
27
+1.2V_DEMOD
28
28
NC_6
29
29
SDA_DEMOD
30
30
B1
A1
A1
B1
A1
B1
47
47
SHIELD
SHIELD
TU3703
TDJM-C401D
TUNER_CHINA
+3.3V
+3.3V
1
NC_1
NC_1
2
NC_2
NC_2
3
SCL_RF
SCL_RF
4
SDA_RF
SDA_RF
5
NC_3
NC_3
6
NC_4
NC_4
7
SIF
SIF
8
CVBS
CVBS
9
NC_5
NC_5
10
+3.3V_RF
+3.3V_RF
11
ERROR
ERROR
12
GND_1
GND_1
13
MCLK
MCLK
14
SYNC
SYNC
15
VAILD
VAILD
16
D0
D0
17
D1
D1
18
D2
D2
19
D3
D3
20
D4
D4
21
D5
D5
22
D6
D6
23
D7
D7
24
RESET_DEMOD
RESET_DEMOD
25
+3.3V_DEMOD
+3.3V_DEMOD
26
SCL_DEMOD
SCL_DEMOD
27
+1.2V_DEMOD
+1.2V_DEMOD
28
NC_6
NC_6
29
SDA_DEMOD
SDA_DEMOD
30
B1
A1
B1
A1
B1
47
A1
SHIELD
TU3701
TDJM-G301D
+3.3V_LNA
TUNER_T2/C/S2
+3.3V
1
C3714
C3708
NC_1
100pF
0.1uF
16V
2
50V
IF_AGC_CSA
AIF_AGC
R3714-*1 100
should be guarded by ground
3
IF_AGC_MAIN
C3703
R3714
0
0.1uF
16V
IF_AGC_NON_CSA
SCL_RF
IF_AGC
4
SDA_RF
5
C3705
TU_NON_ATSC_NON_CHINA
20pF
AIF[P]
R3709
TU_NON_ATSC
6
10
TU_ATSC
AIF[N]
R3709-*1
7
0
TU_NON_ATSC_NON_CHINA
SIF
R3710
10
8
TU_ATSC
R3710-*1
CVBS
9
0
NC_2
10
+3.3V_RF
+3.3V_TU
11
T2_OR_CHINA
T2_OR_CHINA
C3722
C3718
AR3700
100pF
0.1uF
0
ERROR
50V
16V
1/16W
12
FE_TS_ERR
FE_TS_CLK
GND_1
FE_TS_SYNC
13
FE_TS_VAL
T2
MCLK
14
SYNC
15
VALID
16
AR3701
0
D0
1/16W
17
FE_TS_DATA[0]
FE_TS_DATA[1]
D1
FE_TS_DATA[2]
18
FE_TS_DATA[3]
T2
D2
19
D3
20
AR3702
0
D4
1/16W
21
FE_TS_DATA[4]
FE_TS_DATA[5]
D5
FE_TS_DATA[6]
22
FE_TS_DATA[7]
T2
D6
23
D7
24
T2_OR_CHINA
RESET_DEMOD
R3719
25
10
DEMOD_RESET
T2_OR_CHINA
+3.3V_DEMOD
+3.3V_DEMOD
C3716
0.1uF
26
16V
T2_OR_CHINA
C3721
SCL_DEMOD
T2_OR_CHINA
100pF
27
R3711
22
50V
DEMOD_SCL
C3702
20pF
+1.2V_DEMOD
+1.2V_DEMOD
50V
28
T2_OR_CHINA
C3713
100pF
T2
NC_3
50V
R3707
T2_OR_CHINA
29
0
LNB_TX
SDA_DEMOD
T2_OR_CHINA
30
R3712
22
DEMOD_SDA
C3704
20pF
LNB
50V
T2_OR_CHINA
31
LNB_OUT
C3709
0.1uF
GND
50V
T2_OR_CHINA
32
B1
A1
B1
47
SHIELD
TU_I2C Multi option
TU_I2C_FILTER
TU_ATSC
TU_ATSC
R3738-*1
R3716-*1
C3705-*1
MLG1005SR27JT
1.8K
18pF
TU_ATSC
TU_ATSC
R3717-*1
TU_I2C_FILTER
R3739-*1
1.8K
C3707-*1
MLG1005SR27JT
18pF
+3.3V_TU
TU_NON_ATSC
TU_NON_ATSC
R3716
R3717
TU_I2C_NON_FILTER
1K
1K
R3738
33
TU_SCL
TU_I2C_NON_FILTER
R3739
33
TU_SDA
C3707
OPT
C3710
C3711
R3726
0
20pF
20pF
20pF
TU_NON_ATSC
TU_NON_ATSC
TU_NON_ATSC
+3.3V_TU
IF_P_MSTAR
TU_SIF
TU_SIF
R3725
R3728
470
82
IF_N_MSTAR
E
C3726
Q3700
R3724
2N3906S-RTK
0.1uF
B
4.7K
16V
TU_SIF_TR_KEC(MULTI)
TU_SIF
C
TU_SIF
close to TUNER
E
CHINA
AR3700-*1 47
Q3700-*1
MMBT3906(NXP)
+3.3V_TU
B
TU_SIF_TR_NXP(MULTI)
C
TU_CVBS
TU_CVBS
R3732
R3735
220
220
CHINA
TU_CVBS
AR3701-*1 47
E
Q3701
B
2N3906S-RTK
TU_CVBS_TR_KEC(MULTI)
C
OPT
R3731
0
CHINA
E
AR3702-*1 47
TU_CVBS_TR_NXP(MULTI)
Q3701-*1
MMBT3906(NXP)
B
C
FE_TS_DATA[0-7]
+3.3V_LNA
+3.3V_TU
+3.3V_NORMAL
L3701
L3704
UBW2012-121F
UBW2012-121F
C3739
C3706
C3730
C3731
C3733
C3738
22uF
0.1uF
22uF
0.1uF
22uF
0.1uF
10V
16V
10V
16V
10V
16V
IC3701
+3.3V_TU
AP7361-Y-13
+1.2V_DEMOD
T2_OR_CHINA
R3723
3.3K
EN
OUT
T2_OR_CHINA
1
5
T2_OR_CHINA
C3725
C3723
1uF
GND
0.1uF
2
T2_OR_CHINA
10V
16V
R3733
T2_OR_CHINA
12K
1%
ADJ/NC
IN
R1
3
4
C3729
T2_OR_CHINA
0.1uF
C3732
16V
0.1uF
T2_OR_CHINA
16V
T2_OR_CHINA
R3734
22K
1%
R2
Vo=0.8*(1+R1/R2)
GND seperation for CHINA tuner
TU_GND_B
TU_GND_B
C3701
1000pF
C3712
630V
1000pF
TU_GND_B
630V
R3740
CHINA
0
+3.3V_TU
+3.3V_DEMOD
T2_OR_CHINA
L3702
BLM18PG121SN1D
T2_OR_CHINA
T2_OR_CHINA
C3734
C3724
0.1uF
10uF
16V
10V
ERROR & VALID PIN
T2_OR_CHINA
R3736
FE_TS_VAL
0
FE_TS_VAL_ERR
FE_TS_ERR
GPIO must be added.
M1A_URSA9_UD
2014.04.24
TUNER_EU
67
LGE Internal Use Only
TU_SIF
T2_OR_CHINA
R3737
1
T2_OR_CHINA
C3737
10uF
10V
T2_OR_CHINA
C3727
0.1uF
16V
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