Advertisement
GP4R_GLOBAL_TUNER_BLOCK
TU_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
DIF[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
D5
25
TU_CHINA
D6
26
TU2603-*1
D7
TDSN-C201D
27
28
RF_S/W_CTL
1
RESET
2
SHIELD
SCL
3
SDA
4
+B1[3.3V]
5
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
NC_4
14
GND
15
ERROR
16
SYNC
17
VALID
18
MCLK
19
D0
20
D1
21
D2
22
D3
23
D4
24
D5
25
D7
26
D8
27
28
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 © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
RF_SW_OPT
R2603
0
RF_SWITCH_CTL
RF_SW_OPT
C2603
Close to TUNER
0.1uF
16V
TU_T/C/S2
TU2601
TDSQ-G001D
TU_I2C_FILTER
R2609-*1
MLG1005SR27JT
+3.3V_TU
NC_1
TU_I2C_FILTER
1
R2610-*1
MLG1005SR27JT
RESET
2
R2870
1K
TU_I2C_NON_FILTER
SCL
R2609
33
3
SDA
TU_I2C_NON_FILTER
4
R2610
33
C2607
C2612
C2651
+B1[3.3V]
20pF
20pF
20pF
5
50V
50V
50V
SIF
6
+1.8V_TU
+B2[1.8V]
7
OPT
C2602
C2604
C2606
OPT
CVBS
100pF
0.1uF
100uF
R2607
8
16V
0
50V
16V
T/C_IF_AGC
9
HALF_NIM/EU_NON_T2
T/C_DIF[P]
C2600
R2608
10
0
0.1uF
16V
HALF_NIM/EU_NON_T2
T/C_DIF[N]
R2602
11
0
NC_2
12
HALF_NIM/EU_NON_T2
NC_3
T2
R2601
13
R2606
0
0
NC_4
OPT
14
C2601
0.1uF
GND_1
16V
15
close to TUNER
ERROR
16
SYNC
17
FULL_NIM_NON_S
VALID
AR3701
18
MCLK
19
D0
20
D1
21
D2
FULL_NIM_NON_S
AR3702
22
D3
23
D4
24
FULL_NIM_NON_S
AR3703
D5
25
D6
26
D7
27
GND_2
28
GND_3
29
+B3[1.23V]
BLM18PG121SN1D
30
DVB_S
DVB_S
S2_RESET
C2608
C2611
31
100pF
0.1uF
50V
16V
+B4[3.3V]
32
DVB_S
R2600
S2_F22_OUTPUT
51
33
LNB_TX
S2_SCL
34
S2_SDA
35
LNB
DVB_S
36
R2605
22
GND_4
DVB_S
37
R2604
22
38
OPT
C2610
18pF
50V
SHIELD
DVB_S_FILTER
R2875-*1
MLB-201209-0120P-N2
close to TUNER
DVB_S_NON_FILTER
R2875
0
Surge protectioin
DVB_S
OPT
OPT
C2650
C2649
C2605
18pF
33pF
18pF
50V
50V
50V
+3.3V_TU
R2614
R2611
100K
100
TUNER_RESET
C2622
0.1uF
GPIO must be added.
16V
OPT
R2615
0
R2871
1K
+3.3V_TU
TU_SCL
+3.3V_TU
R2618
470
TU_SDA
C2652
R2619
20pF
82
50V
C2621
C2623
E
100pF
0.1uF
50V
16V
Q2600
MMBT3906(NXP)
C2626
B
R2616
+2.5V_TU
0.1uF
16V
4.7K
C
close to TUNER
IF_AGC_MAIN
should be guarded by ground
IF_P_MSTAR
+3.3V_T2_TU
IF_N_MSTAR
T2
T2
T2
C2614
C2617
C2618
100pF
0.1uF
10uF
+1.23V_TU
50V
16V
6.3V
T2
L2601
BLM18PG121SN1D
T2
T2
C2616
C2620
0.1uF
0.1uF
16V
16V
47
FE_TS_ERR
FE_TS_SYNC
FE_TS_VAL
FE_TS_CLK
OPT
R2876
0
T2_DMOD_CAM
FE_TS_DATA[0-7]
47
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
47
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
+1.23V_TU
DVB_S
L2600
DVB_S
C2615
+1.23V_TU
10uF
10V
DVB_S
R2612
DVB_S
2.2K
R2613
10
S2_RESET
+3.3V_S2_DE
DVB_S
C2619
0.1uF
16V
DVB_S
DVB_S
C2624
C2625
100pF
0.1uF
DEMOD_SCL
50V
16V
DEMOD_SDA
OPT
C2613
18pF
50V
Pull-up can't be applied
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
ERROR & VALID PIN
OPT
R2627
FE_TS_VAL
0
FE_TS_ERR
+3.3V_TU
TU_SIF
R2625
R2624
220
220
TU_CVBS
R2621
E
0
Q2601
MMBT3906(NXP)
B
OPT
R2622
C
1K
Close to the tuner
+3.3V_TU
IC2603
+1.8V_TU
AP1117E18G-13
R1
INADJ/GND
OPT
OUT
R2873
200
1%
AR3701-*1
33
R2872
1/16W
0
R2
DVB_S
C2641
Vo=VREF*(1+R2/R1)
0.1uF
AR3702-*1
VREF=1.25V
33
1/16W
DVB_S
TJ4220GDP-ADJ
AR3703-*1
33
1/16W
NC_1
DVB_S
FULL_NIM
R2629
3.3K
EN2
C2635
VIN3
0.1uF
16V
NC4
+3.3V_TU
+2.5V_TU
+3.3V_TU
OPT
IC2600
DVB_S
AP2114H-2.5TRG1
L2602
BLM18PG121SN1D
VIN
VOUT
OPT
GND
C2630
OPT
R2620
C2627
0.1uF
1
0.1uF
16V
1/16W
16V
5%
OPT
OPT
C2628
C2629
10uF
0.1uF
10V
16V
L2603
BLM18PG121SN1D
GP4L_S7LR2
TUNER_EU
OPT
IC2601
+3.3V_TU
74LVC1G08GW
1
5
OPT
C2640
0.1uF
2
16V
OPT
R2631
0
3
4
FE_TS_VAL_ERR
R2628
0
DEMOD_RESET
This was being applied to the only china demod,
so this has to be deleted in both main and ISDB sheet.
IF_AGC_SEL
LNA2_CTL
R2632
1
C2642
10uF
16V
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
2
7
1%
VOUT
3
6
NC_2
FULL_NIM
FULL_NIM
4
5
FULL_NIM
R2634
C2645
C2647
22K
0.1uF
10uF
1%
R1
16V
10V
+3.3V_S2_DE
+3.3V_TU
+3.3V_Normal
L2606
CIS21J121
DVB_S
DVB_S
C2643
C2646
C2648
C2644
C2632
C2634
22uF
0.1uF
22uF
0.1uF
10uF
0.1uF
10V
16V
10V
16V
10V
16V
+3.3V_T2_TU
T2
T2
T2
C2631
C2633
10uF
0.1uF
10V
16V
2011/12/23
26
LGE Internal Use Only
Advertisement
