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GLOBAL tuner block except EU and China
ASIA,LN4xxxx(WO AD)
TU3702
TDSH-G501D(B)
(ASIA_LN4xxx)ISOLATOR_DVB_1INPUT_H
NC
1
RESET
2
SCL
3
SDA
4
+B1[3.3V]
5
SIF
6
+B2[1.8V]
7
CVBS
8
IF_AGC
9
DIF[P]
10
DIF[N]
11
B1
A1
B1
A1
B2
A2
GND seperation for ASIS tuner
(OPT)TW_FE_LNA
R3796
LNA_CTRL_1
2.2K
LNA_CTRL_1
(OPT)TW_FE_LNA
R3797
LNA_CTRL_2
2.2K
LNA_CTRL_2
close to TUNER
SHIELD
C3752
C3753
0.1uF
0.1uF
16V
16V
(OPT)TW_FE_LNA
(OPT)TW_FE_LNA
121118
TU3700-*1 TDSS-H101F DEL
TU3700-*2 TDSS-G501D ->TU3700-*1
TUNER MULTI-OPTION
TAIWAN (WITH AD)
TU3704-*1
ASIA,M33 (WO AD)
TDSN-T601F
(OPT)SI2178_TW_2INPUT_H
TU3700-*1
TDSS-G501D(B)
(ASIA_M33)SI2176_ATSC_1INPUT_H
RF_S/W_CTL
1
RESET_TUNER
2
SCL
3
SDA
4
+B1[3.3V]
5
SIF
6
NC_1
1
+B2[1.8V]
7
RESET
CVBS
8
2
IF_AGC
9
SCL
3
DIF[P]
10
DIF[N]
SDA
11
4
NC_1
12
3.3V
NC_2
5
13
NC_3
14
NC_2
6
GND
15
1.8V
NC_4
16
7
NC_5
17
NC_3
NC_6
8
18
NC_7
IF_AGC
19
9
NC_8
20
DLIF_[P]
NC_9
21
10
NC_10
DLIF_[N]
22
11
NC_11
23
NC_12
24
B1
A1
B1
A1
NC_13
25
NC_14
26
NC_15
12
27
B1
A1
B1
A1
SHIELD
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 right reserved.
Only for training and service purposes
TAIWAN(WITH AD)
BRAZIL(WITH AD)
TU3703
TU3704
TDSN-B601F(B)
TDSN-T701F(B)
(BR)SI2178_BR_2INPUT_H
(OPT)SI2178_TW_LNA_2INPUT_H
BR(RF_SW_OPT)
close to TUNER
RF_S/W_CTL
RF_S/WCTL
1
1
RESET_TUNER
RESET
2
2
SIGN1501491
SCL
SCL
3
3
SDA
SDA
4
4
+B1[3.3V]
B1[+3.3V]
5
5
SIF
SIF
6
6
+B2[1.8V]
B2[1.8V]
7
7
CVBS
CVBS
8
8
NC_1
IF_AGC
9
9
NC_2
DIF[P]
10
10
NC_3
121118
DIF[N]
11
SS BEAD->SUNLORD BEAD
11
+B3[3.3V]
NC_1
12
+1.23V_TUNER
12
+B4[1.23V]
NC_2
13
13
RESET_DEMOD
NC_3
14
14
GND
GND
15
15
ERROR
NC_4
16
16
SYNC
NC_5
17
17
VALID
NC_6
18
18
MCLK
NC_7
19
19
DATA
NC_8
20
20
NC_4
NC_9
21
21
NC_5
NC_10
22
22
NC_6
NC_11
23
23
NC_7
NC_12
24
24
NC_8
NC_13
25
25
NC_9
NC_14
26
57
26
NC_10
NC_15
27
58
27
B1
A1
B1
B1
A1
B1
A1
28
59
SHIELD
A1
TW_FE_LNA FILTER_SETTING
CTRL_1
CTRL_2
Frequence
Filter_Type
54MHz~350MHz
1
0
LPF
0
350Hz~450MHz
0
Through
450Hz~870MHz
0
1
HPF
RF_SWITCH_CTL
Pull-up can't be applied
because of MODEL_OPT_2
KR/US(WO AD)
TU3700
TDSS-H501F(B)
(KR/US)SI2158_ATSC_1INPUT_H
+3.3V_TU
121118
R3705 1K->0
R3800 DEL
12.08.14
R3732
diagonal noise improve
100
NC_1
BR(RF_SW_OPT)
R3705
0
1
C3701
OPT
0.1uF
RESET
C3703
16V
2
0.1uF
16V
SCL
3
SDA
4
+B1[3.3V]
5
NC_2
close to TUNER
6
C3702
0.1uF
16V
+B2[1.8]
BR
7
NC_3
ASIA(HALF_NIM/IF_FILTER)
8
IF_AGC
9
DIF[P]
10
+3.3V_TU
DIF[N]
11
BR(FULL_NIM)
L3706
B1
A1
B1
A1
120OHM
BR(FULL_NIM)
C3718
0.1uF
16V
12
BR(FULL_NIM)
R3798
BR_RESET_DEMOD
1K
SHIELD
BR(FULL_NIM)
C3754
BR(FULL_NIM)
0.1uF
R3799
16V
10K
R3801
close to TUNER
0
R3801-1*
(OPT)FULL_NIM_D_DEMODE_0
47
R3802
0
BR(FULL_NIM_D_DEMODE_47)
R3802-1*
(OPT)FULL_NIM_D_DEMODE_0
47
R3803
0
BR(FULL_NIM_D_DEMODE_47)
(OPT)FULL_NIM_D_DEMODE_0
R3803-*1
47
R3804
0
BR(FULL_NIM_D_DEMODE_47)
(OPT)FULL_NIM_D_DEMODE_0
R3804-*1
47
BR(FULL_NIM_D_DEMODE_47)
FE_TS_SYNC
FE_TS_VAL_ERR
FE_TS_CLK
FE_TS_DATA[0]
+3.3V_TU
C3711-*1
C3713-*1
R3733
20pF
20pF
100K
50V
50V
BR(TU_I2C_FILTER)
BR(TU_I2C_FILTER)
TUNER_RESET
BR(TU_I2C_FILTER)
BR(TU_I2C_FILTER)
R3735-*1
R3736-*1
C3710
0.1uF
16V
R3740
1.8K
KR/US(TU_IIC_ATSC_1.8K)
NON_BR(TU_I2C_NON_FILTER)
R3735
33
NON_BR(TU_I2C_NON_FILTER)
R3736
33
NON BR(TU_I2C_NON_FILTER)
NON BR(TU_I2C_NON_FILTER)
BR(TU_I2C_FILTER)
C3711
C3713
C3742
C3743
18pF
18pF
20pF
20pF
50V
50V
50V
50V
R3783
0
BR
R3784
0
ASIA(HALF_NIM/IF_FILTER)
BR
R3760-*1
R3761-*1
10
10
C3750
C3751
R3780
5pF
5pF
3.3
R3781
3.3
50V
50V
OPT
R3782
R3761
10
OPT
OPT
OPT
2K
OPT
KR/US(HALF_NIM)
R3762
2K
R3760
10
OPT
KR/US(HALF_NIM)
Close to the tuner
IF_P_MSTAR
IF_N_MSTAR
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
+1.8V_TUNER
130118
option DEL
C3737
C3738
C3705
100pF
0.1uF
100uF
50V
16V
16V
close to the tuner pin, add,09029
OPT
R3704
100
HALF_NIM
should be guarded by ground
C3716
0.1uF
16V
HALF_NIM
+3.3V_TU
+3.3V_TUNER
121118
SS BEAD->SUNLORD BEAD
Size change,0929
L3703
60mA
UBW2012-121F
C3723
C3725
C3715
C3727
22uF
0.1uF
22uF
0.1uF
10V
16V
10V
16V
Add,0929
NC4_S7LRM
TUNER_NON_EU
R3741-*3
2.2K
BR(TU_IIC_2.2K)
R3740-*3
2.2K
BR(TU_IIC_2.2K)
121220
US(+3.3V_TU Pull-up) 1.2K->1.8K
R3740-*1
1K
ASIA(TU_IIC_NON_ATSC_1K)
+3.3V_TU
R3741-*1
1K
ASIA(TU_IIC_NON_ATSC_1K)
R3774
470
(OPT)TU_BUFFER_SIF
R3775
R3758
0
82
TU_SIF
BR(TU_NON_BUFFER_SIF)
BR
E
Q3705
R3741
MMBT3906(NXP)
1.8K
(OPT)TU_BUFFER_SIF
KR/US(TU_IIC_ATSC_1.8K)
B
C
R3753
4.7K
TU_SCL
(OPT)TU_BUFFER_SIF
TU_SDA
BR(TU_I2C_FILTER)
+3.3V_TU
R3751
R3752
220
220
BR(TU_BUFFER_VIDEO)
BR(TU_BUFFER_VIDEO)
R3756
0
TU_CVBS
(OPT)TU_NON_BUFFER_VIDEO
E
Q3703
R3749
0
MMBT3906(NXP)
BR(TU_BUFFER_VIDEO)
BR(TU_BUFFER_VIDEO)
B
C
R3750
1K
OPT
+3.3V_TU
121118
SS BEAD->SUNLORD BEAD
L3707
C3708
C3706
C3707
0.1uF
100uF
100pF
16V
16V
50V
OPT
IF_AGC_MAIN
EAX65077302
2012.11.18
26
12
LGE Internal Use Only
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