Read LG 47LN549E / 47LP620H (CHASSIS:LB3AZ) Service Manual online
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.
0 . 1 u F
16V
16V
C2630
0
R2607
OPT
0 . 1 u F
16V
16V
C2625
DVB_S
0 . 1 u F
16V
C2648
0 . 1 u F
16V
16V
C2633
T2
FE_TS_VAL_ERR
LNB_OUT
TU_SDA
0 . 1 u F
16V
C2644
0
R2608
HALF_NIM/EU_NON_T2
10uF
10V
10V
C2628
OPT
BLM18PG121SN1D
L2603
T2
TU_SIF
DEMOD_SCL
BLM18PG121SN1D
L2602
DVB_S
0 . 1 u F
16V
16V
C2603
RF_SW_OPT
1/16W
33
AR3702-*1
DVB_S
+2.5V_TU
+3.3V_TU
+3.3V_TU
FE_TS_VAL
0 . 1 u F
16V
16V
C2617
T2
4.7K
R2616
NON_ASIA_TU
33pF
50V
50V
C2605
OPT
22uF
10V
10V
C2646
0
R2601
HALF_NIM/EU_NON_T2
22
R2604
DVB_S
33pF
50V
50V
C2609
DVB_S
AP2114H-2.5TRG1
IC2600
OPT
GND
VOUT
VIN
+3.3V_TU
FE_TS_SYNC
1/16W
33
AR3701-*1
DVB_S
0 . 1 u F
16V
16V
C2640
OPT
+3.3V_TU
+3.3V_S2_DE
100
R2611
1/16W
1
5%
R2620
OPT
47
FULL_NIM_NON_S
AR3702
0 . 1 u F
16V
C2600
0
R2621
NON_ASIA_TU
FE_TS_CLK
22uF
10V
10V
C2643
82
R2619
NON_ASIA_TU
FE_TS_ERR
RF_SWITCH_CTL
0 . 1 u F
16V
16V
C2629
OPT
LNB_TX
0
R2627
OPT
TU_CVBS
18pF
50V
50V
C2613
OPT
0 . 1 u F
16V
16V
C2627
OPT
0 . 1 u F
16V
16V
C2611
DVB_S
IF_AGC_MAIN
DEMOD_SDA
0
R2606
T2
1K
OPT
R2622
100K
R2614
BLM18PG121SN1D
L2600
DVB_S
33
R2610
TU_I2C_NON_FILTER
1K
R2871
0
R2615
OPT
+3.3V_T2_TU
10uF
6.3V
6.3V
C2618
T2
+3.3V_TU
10uF
10V
10V
C2631
T2
47
FULL_NIM_NON_S
AR3703
+3.3V_TU
0 . 1 u F
16V
C2622
IF_P_MSTAR
33
R2609
TU_I2C_NON_FILTER
0 . 1 u F
16V
16V
C2616
T2
47
AR3701
FULL_NIM_NON_S
100pF
50V
50V
C2614
T2
1/16W
33
AR3703-*1
DVB_S
+1.23V_TU
100pF
50V
50V
C2624
DVB_S
0 . 1 u F
16V
C2623
100pF
50V
50V
C2608
DVB_S
FE_TS_ERR
220
R2624
NON_ASIA_TU
0 . 1 u F
16V
16V
C2601
OPT
1K
R2870
0
R2602
HALF_NIM/EU_NON_T2
0 . 1 u F
16V
16V
C2604
S2_RESET
100pF
50V
50V
C2602
100pF
50V
50V
C2621
0
R2628
OPT
FE_TS_DATA[0-7]
IF_N_MSTAR
+2.5V_TU
+3.3V_Normal
0 . 1 u F
16V
16V
C2634
DVB_S
BLM18PG121SN1D
L2601
T2
+1.23V_TU
+3.3V_TU
10
R2613
DVB_S
TU_SCL
22
R2605
DVB_S
+3.3V_T2_TU
+3.3V_TU
0
R2631
OPT
2.2K
R2612
DVB_S
TUNER_RESET
51
R2600
DVB_S
+3.3V_TU
220
R2625
NON_ASIA_TU
0
RF_SW_OPT
R2603
3 . 0 S M C J 2 0 A ( s u z h o u g r a n d e )
20V
20V
D2600
DVB_S
18pF
50V
50V
C2610
OPT
0 . 1 u F
16V
16V
C2619
DVB_S
FE_TS_VAL
+1.23V_TU
10uF
10V
10V
C2615
DVB_S
0 . 1 u F
16V
16V
C2620
T2
10uF
10V
10V
C2632
DVB_S
+3.3V_S2_DE
100uF
16V
16V
C2606
OPT
470
R2618
NON_ASIA_TU
MMBT3906(NXP)
Q2601
NON_ASIA_TU
E
B
C
MMBT3906(NXP)
Q2600
NON_ASIA_TU
E
B
C
+3.3V_TU
0 . 1 u F
16V
C2635
LNA2_CTL
+1.8V_TU
0 . 1 u F
16V
C2645
FULL_NIM
DEMOD_RESET
0 . 1 u F
16V
C2641
1
R2632
3.3K
FULL_NIM
R2629
+1.23V_TU
10uF
10V
10V
C2647
FULL_NIM
AP1117E18G-13
IC2603
OUT
IN
ADJ/GND
THERMAL
TJ4220GDP-ADJ
IC2602
FULL_NIM
3
VIN3
2
EN2
4
NC4
1
NC_1
5
NC_2
6
VOUT
7
ADJ/SENSE
8
GND
9
[EP]GND
10uF
10V
C2642
200
1%
R2873
OPT
12K
1%
FULL_NIM
R2633
22K
1%
1%
FULL_NIM
R2634
0
R2872
18pF
50V
50V
C2649
OPT
18pF
50V
50V
C2650
DVB_S
1W
2.2K
R2874
DVB_S
74LVC1G08GW
IC2601
OPT
3
2
4
1
5
TDSN-C201D
TU2603-*1
TU_CHINA
1
RF_S/W_CTL
2
RESET
3
SCL
4
SDA
5
+ B 1 [ 3 . 3 V ]
6
S I F
7
+ B 2 [ 1 . 8 V ]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+ B 3 [ 3 . 3 V ]
13
+ B 4 [ 1 . 2 3 V ]
14
NC_4
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D7
27
D8
28
SHIELD
20pF
50V
50V
C2607
20pF
50V
50V
C2612
20pF
50V
50V
C2651
20pF
50V
50V
C2652
+1.8V_TU
MLB-201209-0120P-N2
R2875-*1
DVB_S_FILTER
0
R2875
DVB_S_NON_FILTER
MLG1005SR27JT
R2609-*1
TU_I2C_FILTER
MLG1005SR27JT
R2610-*1
TU_I2C_FILTER
TDSN-G301D
TU2603
TU_T2/C
1
NC_1
2
RESET
3
SCL
4
SDA
5
+ B 1 [ 3 . 3 V ]
6
S I F
7
+ B 2 [ 1 . 8 V ]
8
CVBS
9
NC_2
10
NC_3
11
NC_4
12
+ B 3 [ 3 . 3 V ]
13
+ B 4 [ 1 . 2 3 V ]
14
NC_5
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
SHIELD
A1
A1
B1
B1
TDSQ-G001D
TU2601
TU_T/C/S2
1
NC_1
2
RESET
3
SCL
4
SDA
5
+ B 1 [ 3 . 3 V ]
6
S I F
7
+ B 2 [ 1 . 8 V ]
8
CVBS
9
T/C_IF_AGC
10
T / C _ D I F [ P ]
11
T/C_DIF[N]
12
NC_2
13
NC_3
14
NC_4
15
GND_1
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_2
29
GND_3
30
+ B 3 [ 1 . 2 3 V ]
31
S2_RESET
38
SHIELD
32
+ B 4 [ 3 . 3 V ]
33
S2_F22_OUTPUT
34
S2_SCL
35
S2_SDA
36
LNB
37
GND_4
A1
A1
B1
B1
10pF
50V
OPT
50V
OPT
C2660
10pF
50V
OPT
50V
OPT
C2661
0
ASIA_TU
R2661
2K
ASIA_TU
R2662
0
ASIA_TU
R2664
0 . 1 u F
16V
C2626
NON_ASIA_TU
0
ASIA_TU
C2626-*1
TDSS-G201D
TU2602
SI2156_DVB_1INPUT_H
5
+ B 1 [ 3 . 3 V ]
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+ B 2 [ 1 . 8 V ]
6
NC_2
12
SHIELD
A1
A1
B1
B1
TDSS-G101D
TU2602-*1
TU_T/C
5
+3.3V
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
S I F
12
SHIELD
510
ASIA_TU
R2660
R2660
510
ASIA_TU
R2663
UBW2012-121F
L2606
TDSS-G201D(B)
TU2602-*2
TDSS-G201D(B)
5
+3.3V
11
DLIF[N]
2
RESET
10
DLIF[P]
4
SDA
1
NC
9
IF_AGC
8
ALIF[P]
3
SCL
7
+1.8V
6
ALIF[N]
12
SHIELD
A1
A1
B1
B1
FE_TS_DATA[1]
FE_TS_DATA[4]
FE_TS_DATA[3]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[5]
FE_TS_DATA[2]
FE_TS_DATA[0]
P4R_GLOBAL_TUNER_BLOCK
close to TUNER
P u l l - u p c a n ’ t b e a p p l i e d
because of MODEL_OPT_2
ERROR & VALID PIN
S u r g e p r o t e c t i o i n
s h o u l d b e g u a r d e d b y g r o u n d
G P I O m u s t b e a d d e d .
Close to TUNER
c l o s e t o T U N E R
close to TUNER
R1
C l o s e t o t h e t u n e r
VREF=1.25V
R2
Vo=0.8*(1+R2/R1)
R2
T h i s w a s b e i n g a p p l i e d t o t h e o n l y c h i n a d e m o d ,
s o t h i s h a s t o b e d e l e t e d i n b o t h m a i n a n d I S D B s h e e t .
Vo=VREF*(1+R2/R1)
R1
2 0 1 2 / 1 1 / 0 5
TUNER_EU
26
LP63xH-ZA
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