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L14 TUNER_EU T/C_T2/C/S2_CHINA
TUNER_T/C
TU3700
TDJH-G301D
+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
TUNER_NTSC
TU3700-*1
TDJH-H101F
B1[+3.3V]
1
NC_1
2
IF_AGC
3
SCL
4
SDA
5
IF[P]
6
IF[N]
7
NC_2
8
NC_3
9
A1
B1
A1
B1
47
A1
SHIELD
A1
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 rights reserved.
Only for training and service purposes
TUNER_AJ_T2
TU3702
TDJM-G305D
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_6
29
SDA_DEMOD
30
B1
A1
B1
A1
47
47
SHIELD
SHIELD
TUNER_CHINA
TUNER_T2/C/S2
TU3703
TU3701
TDJM-C401D
TDJM-G301D
+3.3V
+3.3V
1
1
NC_1
NC_1
2
2
NC_2
AIF_AGC
3
3
SCL_RF
SCL_RF
4
4
SDA_RF
SDA_RF
5
5
NC_3
AIF[P]
6
6
NC_4
AIF[N]
7
7
SIF
SIF
8
8
CVBS
CVBS
9
9
NC_5
NC_2
10
10
+3.3V_RF
+3.3V_RF
11
11
ERROR
ERROR
12
12
GND_1
GND_1
13
13
MCLK
MCLK
14
14
SYNC
SYNC
15
15
VAILD
VALID
16
16
D0
D0
17
17
D1
D1
18
18
D2
D2
19
19
D3
D3
20
20
D4
D4
21
21
D5
D5
22
22
D6
D6
23
23
D7
D7
24
24
RESET_DEMOD
RESET_DEMOD
25
25
+3.3V_DEMOD
+3.3V_DEMOD
26
26
SCL_DEMOD
SCL_DEMOD
27
27
+1.2V_DEMOD
+1.2V_DEMOD
28
28
NC_6
NC_3
29
29
SDA_DEMOD
SDA_DEMOD
30
30
LNB
31
B1
GND
B1
32
A1
B1
A1
B1
47
SHIELD
RF_SW_OPT
R2603
0
RF_SWITCH_CTL
+3.3V_LNA
RF_SW_OPT
C2603
0.1uF
16V
C3708
C3714
Close to TUNER
100pF
0.1uF
50V
16V
IF_AGC
should be guarded by ground
R3714
0
IF_AGC_MAIN
TU_NON_ATSC
IF_AGC
C3703
TU_I2C_NON_FILTER
0.1uF
R3738
16V
33
TU_I2C_NON_FILTER
R3739
33
TU_NON_ATSC
TU_NON_ATSC
TU_NON_ATSC
TU_NON_ATSC_NON_CHINA
C3705
C3707
C3710
R3709
20pF
20pF
20pF
10
TU_ATSC
R3709-*1
0
TU_NON_ATSC_NON_CHINA
R3710
10
TU_ATSC
R3710-*1
0
+3.3V_TU
CHINA
AR3700-*1 47
T2
T2_OR_CHINA
T2_OR_CHINA
AR3700
C3718
C3722
0
100pF
0.1uF
1/16W
50V
16V
FE_TS_ERR
CHINA
FE_TS_CLK
AR3701-*1 47
FE_TS_SYNC
FE_TS_VAL
CHINA
AR3702-*1 47
T2
AR3701
0
FE_TS_DATA[0-7]
1/16W
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
T2
+3.3V_LNA
AR3702
0
1/16W
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
T2_OR_CHINA
R3719
10
DEMOD_RESET
T2_OR_CHINA
+3.3V_DEMOD
C3716
0.1uF
16V
T2_OR_CHINA
T2_OR_CHINA
T2_OR_CHINA
C3721
C3723
T2_OR_CHINA
100pF
0.1uF
R3711
22
50V
16V
DEMOD_SCL
T2_OR_CHINA
C3702
+1.2V_DEMOD
20pF
50V
T2_OR_CHINA
T2_OR_CHINA
LNB
C3713
C3729
R3707
100pF
0.1uF
0
50V
16V
LNB_TX
T2_OR_CHINA
R3712
22
DEMOD_SDA
T2_OR_CHINA
C3704
20pF
50V
LNB_OUT
LNB
C3709
0.1uF
50V
L14_CA_M1A
TUNER_T2CS2
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
R3716
R3717
1K
1K
TU_SCL
OPT
R3726
TU_SDA
0
+3.3V_TU
TU_NON_ATSC
C3711
20pF
+3.3V_TU
CHINA
CHINA
IF_P_MSTAR
R3732
R3735
220
220
CHINA
CHINA
R3725
R3728
470
82
IF_N_MSTAR
TU_CVBS
TU_SIF
E
CHINA_NXP
CHINA
E
Q3701
C3726
CHINA_NXP
MMBT3906(NXP)
Q3700
B
CHINA
MMBT3906(NXP)
0.1uF
B
C
R3724
16V
4.7K
C
OPT
close to TUNER
R3731
0
C
C
CHINA_KEC
CHINA_KEC
B
Q3700-*1
B
Q3701-*1
2N3906S-RTK
2N3906S-RTK
E
E
+3.3V_TU
+3.3V_Normal
L3701
L3704
UBW2012-121F
UBW2012-121F
C3739
C3706
C3730
C3733
C3738
C3731
22uF
0.1uF
22uF
0.1uF
22uF
0.1uF
10V
16V
10V
16V
10V
16V
T2_OR_CHINA
IC3701
+3.3V_TU
AP7361-Y-13
+1.2V_DEMOD
T2_OR_CHINA
R3723
3.3K
EN
OUT
1
5
T2_OR_CHINA
R3737
C3725
GND
1
1uF
2
T2_OR_CHINA
10V
C3732
T2_OR_CHINA
C3737
0.1uF
16V
10uF
ADJ/NC
IN
10V
3
4
T2_OR_CHINA
R3733
12K
1%
R1
T2_OR_CHINA
R3734
Vo=0.8*(1+R1/R2)
22K
1%
R2
GND seperation
TU_GND_B
C3701
1000pF
630V
TU_GND_B
TU_GND_B
R3740
0
+3.3V_TU
+3.3V_DEMOD
T2_OR_CHINA
L3702
BLM18PG121SN1D
T2_OR_CHINA
T2_OR_CHINA
T2_OR_CHINA
C3724
C3734
C3727
0.1uF
10uF
0.1uF
16V
10V
16V
ERROR & VALID PIN
T2_OR_CHINA
R3736
0
FE_TS_VAL
FE_TS_VAL_ERR
FE_TS_ERR
GPIO must be added.
2014/05/22
37
LGE Internal Use Only
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