Global Tuner Block Except Eu And China - LG 32LN5400 Service Manual
Led tv
Hide thumbs
Also See for 32LN5400:
- User manual (97 pages) ,
- Owner's manual (85 pages) ,
- Owner's manual (42 pages)
Table of Contents
Advertisement
GLOBAL tuner block except EU and China
TU3702
TDSH-G501D
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
TW_FE_LNA
R3796
LNA_CTRL_1
2.2K
LNA_CTRL_1
TW_FE_LNA
R3797
LNA_CTRL_2
2.2K
LNA_CTRL_2
close to TUNER
SHIELD
C3752
C3753
0.1uF
0.1uF
16V
16V
TW_FE_LNA
TW_FE_LNA
TU3704-*1
TUNER MULTI-OPTION
TW_FE_LNA FILTER_SETTING
TDSN-T601F
SI2178_TW_2INPUT_H
TU3700-*1
Frequence
TDSS-H501F
RF_S/W_CTL
1
RESET_TUNER
SI2176_ATSC_1INPUT_H
2
SCL
3
54MHz~350MHz
SDA
4
+B1[3.3V]
5
SIF
6
+B2[1.8V]
350Hz~450MHz
7
NC
CVBS
1
8
IF_AGC
9
RESET
2
DIF[P]
450Hz~870MHz
10
SCL
DIF[N]
11
3
NC_1
12
SDA
NC_2
4
13
NC_3
+B1[3.3V]
14
5
GND
15
ALIF_[N]
NC_4
16
6
NC_5
+B2[1.8]
17
7
NC_6
18
NC_7
ALIF_[P]
19
8
NC_8
20
IF_AGC
NC_9
9
21
NC_10
DIF[P]
22
10
NC_11
23
DIF[N]
NC_12
24
11
NC_13
25
B1
A1
NC_14
26
B1
A1
NC_15
27
B1
A1
12
B1
A1
28
SHIELD
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
TU3703
TU3704
TDSN-B601F(B)
TDSN-T701F(B)
SI2178_BR_2INPUT_H
SI2178_TW_LNA_2INPUT_H
RF_S/W_CTL
RF_S/WCTL
1
1
RESET_TUNER
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]
B2[1.8V]
7
7
CVBS
CVBS
8
8
NC_1
IF_AGC
9
9
NC_2
DIF[P]
10
10
NC_3
DIF[N]
11
11
+B3[3.3V]
NC_1
12
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
CTRL_1
CTRL_2
Filter_Type
1
0
LPF
0
0
Through
0
1
HPF
RF_SWITCH_CTL
Pull-up can't be applied
because of MODEL_OPT_2
TU3700
TDSS-G201D
SI2156_DVB_1INPUT_H
close to TUNER
R3732
NC_1
100
R3705
1K
1
R3800
C3701
RF_SW_OPT
10K
RESET
0.1uF
RF_SW_OPT
16V
2
SCL
3
SDA
4
+B1[3.3V]
5
NC_2
close to TUNER
6
C3702
0.1uF
16V
+B2[1.8V]
W_A_DEMOD
7
NC_3
8
IF_AGC
9
DIF[P]
10
+3.3V_TU
DIF[N]
11
FULL_NIM
+1.23V_TU
L3706
B1
A1
B1
A1
120
FULL_NIM
C3718
0.1uF
16V
12
FULL_NIM
R3798
BR_RESET_DEMOD
1K
SHIELD
FULL_NIM
C3754
FULL_NIM
0.1uF
R3799
16V
10K
R3801
close to TUNER
0
R3801-1*
FULL_NIM_D_DEMODE_0
47
R3802
0
FULL_NIM_D_DEMODE_47
R3802-1*
FULL_NIM_D_DEMODE_0
47
R3803
0
FULL_NIM_D_DEMODE_47
FULL_NIM_D_DEMODE_0
R3803-*1
R3804
47
0
FULL_NIM_D_DEMODE_47
FULL_NIM_D_DEMODE_0
R3804-*1
47
FULL_NIM_D_DEMODE_47
+3.3V_TU
60mA
+3.3V_TU
C3711-*1
C3713-*1
R3733
20pF
20pF
100K
50V
50V
TU_I2C_FILTER
TU_I2C_FILTER
TUNER_RESET
TU_I2C_FILTER
TU_I2C_FILTER
R3735-*1
R3736-*1
C3710
0.1uF
16V
TU_IIC_ATSC_1.8K
TU_I2C_NON_FILTER
R3735
33
R3736
33
TU_I2C_NON_FILTER
TU_I2C_FILTER
TU_I2C_NON_FILTER
C3711
C3713
C3742
18pF
18pF
20pF
50V
50V
50V
TU_I2C_NON_FILTER
R3783
0
W_A_DEMOD
R3784
HALF_NIM/IF_FILTER
HALF_NIM/IF_FILTER
R3760-*1
R3761-*1
10
10
C3750
C3751
5pF
5pF
R3780
R3781
3.3
3.3
50V
50V
R3782
R3761
0
OPT
OPT
OPT
OPT
2K
OPT
HALF_NIM
R3762
2K
R3760
0
OPT
HALF_NIM
Close to the tuner
+1.8V_TU
C3737
C3738
100pF
0.1uF
50V
16V
close to the tuner pin, add,09029
R3704
100
HALF_NIM
should be guarded by ground
C3716
0.1uF
16V
HALF_NIM
FE_TS_SYNC
FE_TS_VAL_ERR
+3.3V_TU
FE_TS_CLK
FE_TS_DATA[0]
Vo=VREF*(1+R2/R1)
VREF = 1.25V
R3771
FULL_NIM_OPT
C3717
0.1uF
16V
+5V_Normal
R3713
+3.3V_Normal
0
FULL_NIM_BCD
Size change,0929
L3703
CIS21J121
C3723
C3725
C3715
C3727
22uF
0.1uF
22uF
0.1uF
6.3V
16V
6.3V
16V
CHANGE TO
CHANGE TO
6.3V 2012 X5R
6.3V 2012 X5R
FE_AGC_SPEED_CTL
IF_AGC_SEL
FE_BOOSTER_CTL
LNA2_CTL
R3741-*3
2.2K
TU_IIC_BR_2.2K
DEMOD_SCL
R3740-*3
2.2K
TU_IIC_BR_2.2K
DEMOD_SDA
R3741-*2
1.2K
TU_IIC_ATSC_1.2K
R3740-*2
1.2K
TU_IIC_ATSC_1.2K
+3.3V_TU
R3740-*1
1K
TU_IIC_NON_ATSC_1K
+3.3V_TU
R3741-*1
R3774
1K
470
TU_IIC_NON_ATSC_1K
TU_BUFFER_SIF
R3775
R3758
0
82
TU_NON_BUFFER_SIF
E
Q3705
R3740
R3741
MMBT3906(NXP)
1.8K
1.8K
B
TU_BUFFER_SIF
TU_IIC_ATSC_1.8K
C
R3753
4.7K
TU_SCL
TU_BUFFER_SIF
TU_SDA
C3743
20pF
50V
TU_I2C_FILTER
+3.3V_TU
R3751
R3752
0
220
220
TU_BUFFER_VIDEO
TU_BUFFER_VIDEO
W_A_DEMOD
R3756
0
TU_CVBS
TU_NON_BUFFER_VIDEO
E
Q3703
R3749
0
MMBT3906(NXP)
TU_BUFFER_VIDEO
TU_BUFFER_VIDEO
B
C
R3750
1K
OPT
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
+3.3V_TU
L3707
+3.3V_TU_Noise_X5R
+3.3V_TU_Noise
C3708
C3707-*1
C3707
0.1uF
100pF
1uF
16V
10V
50V
IF_AGC_MAIN
IC3703
+1.8V_TU
AP1117E18G-13
R1
OPT
3
1
IN
ADJ/GND
R3710
OUT
200
1%
2
C3741-*1
R3711
R3766
0
1
10uF 10V
CAP_X7R_MP
R2
C3740
CAP_10uF_X5R
0.1uF
16V
C3741
CHANGE TO
10UF 10V X5R
IC3701
AP2132MP-2.5TRG1
[EP]
+1.23V_TU
10K
PG
GND
1
8
FULL_NIM_BCD
FULL_NIM_BCD
FULL_NIM_BCD
R3748
R3776
EN
ADJ
11K
10K
2
7
R1
VIN
VOUT
3
6
VCTRL
NC
FULL_NIM_BCD
4
5
C3729
R3747
0.1uF
C3730
16V
20K
CAP_10uF_X5R
FULL_NIM
1005
R2
CHANGE TO
10UF 10V X5R
FULL_NIM_TJ
C3730-*1
BCD Vo=0.6*(1+R1/R2)
IC3701-*1
TJ4220GDP-ADJ
[EP]GND
TJ
Vo=0.8*(1+R1/R2)
10uF 10V
NC_1
GND
1
8
FULL_NIM_TJ
FULL_NIM
CAP_X7R_MP
R3748-*1
R3776-*1
EN2
ADJ/SENSE
2
7
5.1K
0
VIN3
VOUT
3
6
NC4
NC_2
4
5
FULL_NIM_TJ
R3747-*1
9.1K
NC4_S7LRM
2012.09.19
TUNER_NON_EU
14
LGE Internal Use Only
TU_SIF
380mA
- Quick Links:
- Service Manual
Hide quick links:
Advertisement
Table of Contents
