Read LG 47LV355T-ZC (CHASSIS:LD11U) Service Manual online
THERMAL
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.
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.
FE_TS_DATA[2]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
C2831
10uF
10V
10uF
10V
R2816
100
100
+5V_TU
C2804
0.1uF
0.1uF
OPT
+5V_Normal
C2802
0.1uF
16V
0.1uF
16V
+1.2V_TU
+5V_TU
C2824
22uF
10V
22uF
10V
C2826
0.1uF
16V
16V
FE_TS_VAL_ERR
R2802
0
OPT
C2832
0.1uF
R2815
10K
10K
OPT
Q2803
2SC3052
BOOSTER_OPT
E
B
C
FE_TS_DATA[0-7]
+2.5V_TU
R2840
82
82
OPT
R2830
10K
10K
BOOSTER_OPT
C2808
100pF
50V
100pF
50V
TU_SCL
R2833
220
FE_TS_CLK
R2831
0
R2839
470
OPT
CONTROL_ATTEN
TU_SIF
L2805
BLM18PG121SN1D
R2837
10K
C2822
0.1uF
16V
0.1uF
16V
C2825
22uF
16V
22uF
16V
C2830
0.1uF
16V
C2806
100uF
16V
16V
OPT
R2801
0
RF_SW_OPT
C2823
0.1uF
16V
TU_CVBS
R2825
2.2K
2.2K
BOOSTER_OPT
IF_AGC_SEL
C2821
10uF
10V
10uF
10V
L2804
BLM18PG121SN1D
DEMOD_SDA
C2807
100pF
50V
100pF
50V
R2829
1
1
+5V_TUNER
+3.3V_Normal
R2826
4.7K
C2813
10uF
10V
10uF
10V
OPT
+5V_TU
R2817
100K
+3.3V_TU
Q2802
ISA1530AC1
BOOSTER_OPT
E
B
C
Q2801
2SC3052
OPT
E
B
C
+3.3V_TU
R2827
4.7K
C2827
0.1uF
16V
0.1uF
16V
+5V_TU
R2803
0
OPT
R2836
10K
TUNER_RESET
C2801
100pF
50V
100pF
50V
FE_TS_SYNC
C2815
0.1uF
TU_SDA
C2809
0.1uF
16V
16V
R2834
220
R2823
0
BOOSTER_OPT
R2838
4.7K
4.7K
OPT
IC2802
AP2132MP-2.5TRG1
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
C2805
0.1uF
16V
0.1uF
16V
DEMOD_RESET
C2817
0.1uF
16V
16V
+3.3V_TU
C2828
22uF
10V
22uF
10V
L2803
R2832
1K
OPT
Q2805
ISA1530AC1
OPT
E
B
C
C2820
0.1uF
16V
0.1uF
16V
OPT
C2819
0.01uF
25V
0.01uF
25V
BOOSTER_OPT
C2811
0.1uF
16V
16V
OPT
+3.3V_TU
IF_AGC_MAIN
+3.3V_TU
+2.5V_TU
R2828
10K
BOOSTER_OPT
LNA2_CTL
C2829
0.1uF
16V
16V
+5V_TU
+3.3V_TU
+1.2V_TU
C2810
0.1uF
16V
16V
RF_SWITCH_CTL
L2802
BLM18PG121SN1D
BOOSTER_OPT
Q2804
ISA1530AC1
E
B
C
DEMOD_SCL
R2841
20K
1%
R2842
11K
11K
1%
R2844
11K
11K
1%
IF_N_MSTAR
IF_P_MSTAR
L2806
1008CS-102XJLC
L2807
270nH
L2808
270nH
C2816
62pF
50V
62pF
50V
C2818
62pF
50V
62pF
50V
C2833
20pF
50V
20pF
50V
C2834
20pF
50V
20pF
50V
C2803
0.1uF
16V
OPT
R2845
0
0
R2846
75
OPT
R2847
1K
OPT
R2848
0
OPT
+3.3V_TU
R2822
1.2K
R2824
1.2K
C2814
18pF
50V
18pF
50V
C2812
18pF
50V
18pF
50V
TU2801
TDFR-G236D
1
NC_1
2
BST_CNTL
3
+B1[5V]
4
NC_2[RF_AGC]
5
NC_3
6
SCLT
7
SDAT
8
NC_4
9
SIF
10
NC_5
11
VIDEO
12
GND
13
+B2[1.2V]
14
+B3[3.3V]
15
RESET
16
+B4[2.5V]
17
SCL
18
SDA
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
C2835
10uF
10uF
OPT
R2819
22
22
R2818
22
22
IC2801
AP2114H-2.5TRG1
GND
VOUT
VIN
C2836
22uF
22uF
OPT
C2837
0.1uF
16V
0.1uF
16V
C2838
10uF
AR2802
47
1/16W
47
1/16W
AR2801
47
1/16W
47
1/16W
AR2803
47
1/16W
47
1/16W
MDS61887710
GAS2801
9.5T_GAS
MDS61887710
GAS2802
9.5T_GAS
MDS61887710
GAS2803
9.5T_GAS
MDS61887710
GAS2804
9.5T_GAS
LGIT CAN EU T2
R2
FE_AGC_SPEED_CTL
GPIO must be added.
Pull-up can’t be applied
because of MODEL_OPT_2
because of MODEL_OPT_2
R1
FE_BOOSTER_CTL
The pull-up/down of LNA2_CTL
is depended on MODLE_OPT_1.
GPIO must be added for FE_BOOSTER_CTL
is depended on MODLE_OPT_1.
GPIO must be added for FE_BOOSTER_CTL
close to TUNER
This was being applied to the only china demod,
so this has to be deleted in both main and ISDB sheet.
so this has to be deleted in both main and ISDB sheet.
OPTION : RF AGC
Vo=0.8*(1+R1/R2)
Close to the CI Slot
close to Tuner
60mA
close to TUNER
380mA
should be guarded by ground
200mA
DVB_T2_TUNER
20101023
28
GP2R
close to TUNER
close to TUNER
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