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P4R_GLOBAL_TUNER_BLOCK
SI2156_DVB_1INPUT_H
TU_T2/C
TU2602
TU2603
TDSS-G201D
TDSN-G301D
NC_1
NC_1
1
1
RESET
RESET
2
2
SCL
SCL
3
3
SDA
SDA
4
4
+B1[3.3V]
+B1[3.3V]
5
5
NC_2
SIF
6
6
+B2[1.8V]
+B2[1.8V]
7
7
NC_3
CVBS
8
8
IF_AGC
NC_2
9
9
D I F [ P ]
NC_3
10
10
DIF[N]
NC_4
11
11
+B3[3.3V]
B1
A1
12
B1
A1
+B4[1.23V]
13
12
NC_5
14
GND
SHIELD
15
ERROR
16
SYNC
17
VALID
TU_CHINA
18
MCLK
TU2603-*1
19
TDSN-C201D
D0
20
RF_S/W_CTL
1
D1
RESET
21
2
D2
SCL
3
22
SDA
4
D3
23
+B1[3.3V]
5
D4
SIF
6
24
+B2[1.8V]
7
D5
25
CVBS
8
D6
NC_1
9
26
NC_2
10
D7
27
NC_3
11
+B3[3.3V]
12
B1
A1
B1
A1
+B4[1.23V]
13
28
NC_4
14
GND
15
SHIELD
ERROR
16
SYNC
17
VALID
18
MCLK
19
D0
20
D1
21
D2
22
D3
23
TU_T/C
TDSS-G201D(B)
D4
24
TU2602-*1
TU2602-*2
D5
TDSS-G101D
25
TDSS-G201D(B)
D7
26
D8
NC
NC
27
1
1
28
RESET
RESET
2
2
SCL
SCL
3
SHIELD
3
SDA
SDA
4
4
+3.3V
+3.3V
5
5
ALIF[N]
6
SIF
6
+1.8V
7
+1.8V
7
ALIF[P]
8
CVBS
8
IF_AGC
9
IF_AGC
DLIF[P]
9
10
D I F [ P ]
DLIF[N]
10
11
DIF[N]
11
B1
A1
B1
A1
12
12
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 rights reserved.
Only for training and service purposes
RF_SW_OPT
R2603
0
RF_SW_OPT
C2603
Close to TUNER
0 . 1 u F
16V
TU_T/C/S2
TU2601
TDSQ-G001D
TU_I2C_FILTER
R2609-*1
MLG1005SR27JT
NC_1
TU_I2C_FILTER
1
R2610-*1
MLG1005SR27JT
RESET
2
TU_I2C_NON_FILTER
SCL
R2609
33
3
SDA
TU_I2C_NON_FILTER
R2610
33
4
C2607
C2612
+B1[3.3V]
20pF
20pF
50V
50V
5
SIF
6
+1.8V_TU
+B2[1.8V]
7
OPT
C2602
C2604
C2606
CVBS
100uF
100pF
0 . 1 u F
16V
8
50V
16V
T/C_IF_AGC
9
HALF_NIM/EU_NON_T2
T/C_DIF[P]
C2600
10
0 . 1 u F
16V
HALF_NIM/EU_NON_T2
T/C_DIF[N]
R2602
11
0
NC_2
12
HALF_NIM/EU_NON_T2
NC_3
R2601
13
0
NC_4
OPT
14
C2601
0 . 1 u F
16V
GND_1
15
c l o s e t o T U N E R
ERROR
16
SYNC
17
FULL_NIM_NON_S
VALID
18
MCLK
19
D0
20
D1
21
D2
FULL_NIM_NON_S
22
D3
23
D4
24
FULL_NIM_NON_S
D5
25
D6
26
D7
27
GND_2
28
GND_3
29
+B3[1.23V]
30
DVB_S
S2_RESET
C2608
31
100pF
50V
+B4[3.3V]
32
DVB_S
S2_F22_OUTPUT
R2600
51
33
LNB_TX
S2_SCL
34
S2_SDA
35
LNB
DVB_S
36
R2605
22
GND_4
DVB_S
37
R2604
22
OPT
B1
A1
C2610
B1
A1
18pF
38
50V
DVB_S_FILTER
R2875-*1
MLB-201209-0120P-N2
SHIELD
close to TUNER
DVB_S_NON_FILTER
R2875
0
S u r g e p r o t e c t i o i n
DVB_S
OPT
OPT
C2650
C2605
C2649
18pF
33pF
18pF
50V
50V
50V
RF_SWITCH_CTL
+3.3V_TU
R2614
R2611
100K
100
TUNER_RESET
C2622
0 . 1 u F
G P I O m u s t b e a d d e d .
16V
+3.3V_TU
OPT
R2615
0
C2626-*1
0
ASIA_TU
R2870
R2871
1K
1K
+3.3V_TU
TU_SCL
+3.3V_TU
NON_ASIA_TU
R2618
470
TU_SDA
NON_ASIA_TU
C2651
C2652
20pF
20pF
close to TUNER
50V
50V
C2623
C2621
E
NON_ASIA_TU
100pF
0 . 1 u F
NON_ASIA_TU
50V
16V
Q2600
C2626
B
MMBT3906(NXP)
ASIA_TU
0 . 1 u F
R2616
C2660
R2660
16V
4.7K
C
10pF
+2.5V_TU
510
NON_ASIA_TU
OPT
50V
R2607
OPT
0
R2663
ASIA_TU
510
IF_AGC_MAIN
R2662
ASIA_TU
2K
R2608
s h o u l d b e g u a r d e d b y g r o u n d
0
R2661
R2664
0
0
ASIA_TU
ASIA_TU
T2
R2606
+3.3V_T2_TU
0
T2
T2
T2
C2614
C2617
C2618
100pF
0 . 1 u F
10uF
+1.23V_TU
50V
16V
6.3V
T2
L2601
BLM18PG121SN1D
T2
T2
C2616
C2620
0 . 1 u F
0 . 1 u F
16V
16V
AR3701
47
FE_TS_ERR
FE_TS_SYNC
FE_TS_VAL
FE_TS_CLK
FE_TS_DATA[0-7]
AR3702
47
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
AR3703
47
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
+1.23V_TU
DVB_S
L2600
BLM18PG121SN1D
DVB_S
DVB_S
C2615
C2611
+1.23V_TU
10uF
0 . 1 u F
10V
16V
DVB_S
R2612
DVB_S
2.2K
R2613
S2_RESET
10
+3.3V_S2_DE
DVB_S
C2619
0 . 1 u F
16V
DVB_S
DVB_S
C2624
C2625
100pF
0 . 1 u F
DEMOD_SCL
50V
16V
DEMOD_SDA
OPT
C2613
18pF
50V
P u l l - u p c a n ' t b e a p p l i e d
because of MODEL_OPT_2
LNB_OUT
DVB_S
DVB_S
DVB_S
C2609
D2600
R2874
33pF
3.0SMCJ20A(suzhougrande)
2.2K
50V
20V
1W
TU_T/C(B)
TU2602-*3
TDSS-G101D(B)
NC
1
RESET
2
SCL
3
ERROR & VALID PIN
SDA
4
+3.3V
OPT
5
R2627
SIF
FE_TS_VAL
0
6
+1.8V
7
FE_TS_ERR
CVBS
8
IF_AGC
9
D I F [ P ]
10
DIF[N]
11
B1
A1
B1
A1
12
SHIELD
+3.3V_TU
R2619
82
TU_SIF
R2624
R2625
220
220
NON_ASIA_TU
NON_ASIA_TU
TU_CVBS
NON_ASIA_TU
R2621
E
0
Q2601
MMBT3906(NXP)
B
OPT
NON_ASIA_TU
C2661
R2622
C
1K
10pF
50V
OPT
IF_P_MSTAR
IF_N_MSTAR
C l o s e t o t h e t u n e r
+3.3V_TU
IC2603
AP1117E18G-13
R1
IN ADJ/GND
OUT
OPT
R2873
200
1%
AR3701-*1
33
R2872
1/16W
0
R2
DVB_S
Vo=VREF*(1+R2/R1)
AR3702-*1
VREF=1.25V
33
1/16W
DVB_S
TJ4220GDP-ADJ
AR3703-*1
33
1/16W
NC_1
DVB_S
EN2
VIN3
NC4
+3.3V_TU
+2.5V_TU
+3.3V_TU
OPT
IC2600
AP2114H-2.5TRG1
BLM18PG121SN1D
VIN
VOUT
OPT
GND
OPT
C2630
R2620
C2627
0 . 1 u F
1
0 . 1 u F
16V
1/16W
16V
5%
OPT
OPT
C2628
C2629
10uF
0 . 1 u F
10V
16V
BLM18PG121SN1D
LP63xH-ZA
TUNER_EU
OPT
IC2601
+3.3V_TU
74LVC1G08GW
1
5
OPT
C2640
0 . 1 u F
2
16V
OPT
R2631
0
3
4
FE_TS_VAL_ERR
OPT
R2628
0
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 .
+1.8V_TU
C2642
10uF
10V
FULL_NIM
IC2602
[EP]GND
Vo=0.8*(1+R2/R1)
+1.23V_TU
GND
1
8
FULL_NIM
R2633
12K
R2
ADJ/SENSE
1%
2
7
VOUT
3
6
NC_2
FULL_NIM
4
5
FULL_NIM
R2634
C2647
22K
10uF
1%
R1
10V
+3.3V_S2_DE
+3.3V_TU
+3.3V_Normal
DVB_S
L2602
L2606
UBW2012-121F
DVB_S
DVB_S
C2643
C2644
C2646
C2648
C2632
C2634
22uF
0 . 1 u F
22uF
0 . 1 u F
10uF
0 . 1 u F
10V
16V
10V
16V
10V
16V
+3.3V_T2_TU
T2
L2603
T2
T2
C2631
C2633
10uF
0 . 1 u F
10V
16V
2 0 1 2 / 1 1 / 0 5
26
LGE Internal Use Only
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