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L14 TUNER_EU T/C_T2/C/S2_CHINA
TU3700
TDJH-G101D
TUNER_T/C
TUNER_AJ_T2
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
SHIELD
TU3700-*1
TDJH-H101F
TUNER_NTSC
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.
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 © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TU3702
TDJM-G105D
TUNER_CHINA
B1[+3.3V]
1
NC_1
2
AIF_AGC
3
SCL_RF
4
SDA_RF
5
AIF[P]
6
AIF[N]
7
NC_2
8
NC_3
9
NC_4
10
B2[+3.3V]
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
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.1V]
28
F22_OUTPUT
29
SDA_DEMOD
30
B1
A1
B1
A1
47
47
SHIELD
SHIELD
TU3703
TU3701
TDJM-C301D
TDJM-G101D
TUNER_T2/C/S2
B1[+3.3V]
B1[+3.3V]
1
1
RF_SW_CTL
NC_1
2
2
NC_1
AIF_AGC
3
3
SCL_RF
SCL_RF
4
4
SDA_RF
SDA_RF
5
5
NC_2
AIF[P]
6
6
NC_3
AIF[N]
7
7
SIF
NC_2
8
8
CVBS
NC_3
9
9
NC_4
NC_4
10
10
NC_5
B2[+3.3V]
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
B2[+3.3V]
B3[+3.3V]
26
26
SCL_DEMOD
SCL_DEMOD
27
27
B3[+1.1V]
B4[+1.1V]
28
28
NC_6
F22_OUTPUT
29
29
SDA_DEMOD
SDA_DEMOD
30
30
LNB
31
B1
GND
B1
32
A1
B1
A1
B1
47
47
RF_SW_OPT
R2603
0
RF_SWITCH_CTL
+3.3V_LNA
C2603
0.1uF
16V
RF_SW_OPT
C3714
C3708
Close to TUNER
0.1uF
100pF
50V
16V
+3.3V_TU
should be guarded by ground
IF_AGC_MAIN
C3703
TU_NON_ATSC
0.1uF
R3714
R3716
16V
0
TU_I2C_NON_FILTER
R3738
33
TU_I2C_NON_FILTER
R3739
33
C3705
C3707
C3710
TU_NON_ATSC
TU_ATSC
20pF
20pF
20pF
R3709-*1
TU_NON_ATSC
TU_NON_ATSC
R3709
TU_NON_ATSC
10
0
TU_NON_ATSC
TU_ATSC
R3710
R3710-*1
10
0
CHINA
AR3700-*1 47
+3.3V_TU
T2_OR_CHINA
T2_OR_CHINA
C3722
C3718
AR3700
100pF
0.1uF
0
50V
16V
1/16W
CHINA
FE_TS_ERR
AR3701-*1 47
FE_TS_CLK
FE_TS_SYNC
FE_TS_VAL
T2
CHINA
AR3702-*1 47
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
AR3702
0
1/16W
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
T2
T2_OR_CHINA
R3719
10
DEMOD_RESET
T2_OR_CHINA
C3716
+3.3V_DEMOD
0.1uF
16V
T2_OR_CHINA
T2_OR_CHINA
C3721
C3723
T2_OR_CHINA
100pF
0.1uF
R3711
22
50V
16V
DEMOD_SCL
C3702
20pF
+1.2V_DEMOD
50V
T2_OR_CHINA
C3713
C3729
100pF
0.1uF
T2_OR_CHINA
50V
16V
R3707
T2_OR_CHINA
T2_OR_CHINA
0
LNB_TX
T2_OR_CHINA
R3712
22
DEMOD_SDA
C3704
20pF
50V
T2_OR_CHINA
LNB_OUT
C3709
0.1uF
50V
T2_OR_CHINA
L14_M1A
TUNER_EU
TU_I2C Multi option
TU_I2C_FILTER
TU_ATSC
TU_ATSC
R3838-*1
R3716-*1
MLG1005SR27JT
C3705-*1
1.8K
18pF
TU_ATSC
TU_I2C_FILTER
TU_ATSC
R3717-*1
R3739-*1
1.8K
C3707-*1
MLG1005SR27JT
18pF
TU_NON_ATSC
R3717
1K
1K
TU_SCL
TU_SDA
OPT
C3711
R3726
0
20pF
+3.3V_TU
TU_NON_ATSC
+3.3V_TU
IF_P_MSTAR
CHINA
CHINA
R3732
R3735
CHINA
CHINA
220
220
R3725
R3728
470
82
IF_N_MSTAR
TU_CVBS
TU_SIF
E
CHINA
E
CHINA
Q3701
C3726
MMBT3906(NXP)
Q3700
B
R3724
B
MMBT3906(NXP)
0.1uF
C
4.7K
16V
CHINA
C
CHINA
OPT
R3731
0
close to TUNER
+3.3V_LNA
+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
IC3701
+3.3V_TU
AP7361-Y-13
+1.2V_DEMOD
T2_OR_CHINA
R3723
3.3K
EN
OUT
T2_OR_CHINA
1
5
C3725
T2_OR_CHINA
1uF
GND
2
T2_OR_CHINA
R3737
10V
1
R3733
T2_OR_CHINA
12K
T2_OR_CHINA
1%
C3737
ADJ/NC
IN
R1
3
4
10uF
10V
T2_OR_CHINA
C3732
0.1uF
16V
T2_OR_CHINA
R3734
22K
1%
R2
Vo=0.8*(1+R1/R2)
GND seperation for CHINA tuner
C3712
C3701
1000pF
1000pF
630V
630V
CHINA
CHINA
+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
FE_TS_VAL
0
FE_TS_VAL_ERR
FE_TS_ERR
GPIO must be added.
2013.08.27
37
LGE Internal Use Only
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