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GP4R_GLOBAL_TUNER_BLOCK
12_T/C
TU_T2/C
TU2602
TU2603
TDSS-G101D
TDSN-G301D
NC
NC_1
1
1
RESET
RESET
2
2
SCL
SCL
3
3
SDA
SDA
4
4
+3.3V
+B1[3.3V]
5
5
SIF
SIF
6
6
+1.8V
+B2[1.8V]
7
7
CVBS
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]
12
12
+B4[1.23V]
13
SHIELD
NC_5
14
GND
15
ERROR
16
SYNC
17
VALID
18
MCLK
19
D0
20
D1
21
D2
22
D3
23
D4
24
TU_CHINA
D5
25
TU2603-*1
D6
TDSN-C201D
26
D7
27
RF_S/W_CTL
1
RESET
2
B1
A1
B1
A1
SCL
3
28
SDA
4
+B1[3.3V]
5
SHIELD
SIF
6
+B2[1.8V]
7
CVBS
8
NC_1
9
NC_2
10
NC_3
11
+B3[3.3V]
12
+B4[1.23V]
13_bushing_T/C
13
TU2602-*1
NC_4
TDSS-G101D(B)
14
GND
15
ERROR
NC
16
1
SYNC
RESET
17
2
VALID
SCL
18
3
MCLK
SDA
19
4
D0
+3.3V
20
5
D1
SIF
21
6
D2
+1.8V
22
7
D3
CVBS
23
8
D4
IF_AGC
24
9
D5
D I F [ P ]
25
10
D7
DIF[N]
26
11
D8
27
B1
A1
B1
A1
28
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
+3.3V_TU
C2603
Close to TUNER
0 . 1 u F
16V
R2614
100K
R2611
100
C2622
TU_I2C_FILTER
R2609-*1
0 . 1 u F
MLG1005SR27JT
16V
+3.3V_TU
TU_I2C_FILTER
R2610-*1
MLG1005SR27JT
R2870
R2871
1K
1K
TU_I2C_NON_FILTER
R2609
33
TU_SCL
+3.3V_TU
TU_I2C_NON_FILTER
R2610
33
TU_SDA
C2607
C2612
C2651
C2652
20pF
20pF
20pF
20pF
50V
50V
50V
50V
C2623
C2621
0 . 1 u F
100pF
16V
50V
+1.8V_TU
OPT
C2606
C2602
C2604
100uF
100pF
0 . 1 u F
close to TUNER
16V
50V
16V
IF_AGC_MAIN
HALF_NIM/EU_NON_T2
R2608
C2600
s h o u l d b e g u a r d e d b y g r o u n d
0
0 . 1 u F
16V
IF_P_MSTAR
+3.3V_T2_TU
IF_N_MSTAR
HALF_NIM/EU_NON_T2
DVB_T2
R2601
R2606
0
0
OPT
DVB_T2
DVB_T2
DVB_T2
C2601
C2614
C2617
C2618
+1.23V_TU
100pF
0 . 1 u F
10uF
0 . 1 u F
16V
50V
16V
6.3V
DVB_T2
L2601
c l o s e t o T U N E R
BLM18PG121SN1D
DVB_T2
C2616
0 . 1 u F
16V
FULL_NIM_NON_S
AR3701
47
FE_TS_ERR
FE_TS_VAL
OPT
R2876
0
FULL_NIM_NON_S
AR3702
47
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
FULL_NIM_NON_S
AR3703
47
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
G P I O m u s t b e a d d e d .
+3.3V_TU
+3.3V_TU
R2618
470
R2619
82
TU_SIF
R2624
E
220
Q2600
MMBT3906(NXP)
C2626
B
0 . 1 u F
R2616
16V
C
4.7K
E
Q2601
MMBT3906(NXP)
B
C
C l o s e t o t h e t u n e r
+3.3V_TU
AR3701-*1
33
1/16W
DVB_S
FE_TS_DATA[0-7]
AR3703-*1
33
1/16W
DVB_S
ERROR & VALID PIN
OPT
+3.3V_TU
IC2601
74LVC1G08GW
OPT
R2627
0
1
5
FE_TS_VAL
2
FE_TS_ERR
OPT
R2631
0
3
4
R2628
0
TU_CVBS
IC2603
+1.8V_TU
AP1117E18G-13
R1
IN ADJ/GND
OPT
OUT
R2873
200
1%
R2632
1
R2
C2641
C2642
Vo=VREF*(1+R2/R1)
0 . 1 u F
10uF
16V
10V
VREF=1.25V
FULL_NIM
IC2602
TJ4220GDP-ADJ
[EP]GND
Vo=0.8*(1+R2/R1)
NC_1
GND
1
8
FULL_NIM
FULL_NIM
R2633
R2629
12K
R2
3.3K
EN2
ADJ/SENSE
1%
2
7
VIN3
VOUT
3
6
NC4
NC_2
FULL_NIM
4
5
FULL_NIM
R2634
C2645
22K
0 . 1 u F
1%
R1
+3.3V_TU
+3.3V_TU
+3.3V_T2_TU
DVB_T2
L2603
BLM18PG121SN1D
DVB_T2
C2630
C2643
0 . 1 u F
C2633
22uF
0 . 1 u F
16V
10V
16V
2013 S7LR2
TUNER
OPT
C2640
0 . 1 u F
16V
FE_TS_VAL_ERR
+1.23V_TU
FULL_NIM
C2647
10uF
16V
10V
L2606-*1
+3.3V_Normal
120OHM
SUNLORD
L2606
CIS21J121
SS
C2644
C2646
0 . 1 u F
22uF
16V
10V
2 0 1 2 . 1 1 . 1 2
26
LGE Internal Use Only
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