LG 37LV370S Service Manual page 32

Option Table
Non_S: not use DVB-T/C/S2 combo Tuner(use H/NIM and F/NIM)
H/NIM DVB-T/C/S2
F/NIM_T/C
(EU) (Eu,Aisa)
H/NIM: use H/NIM(H/NIM, DVB-T/C/S2 combo Tuner)
Non_S Non_S
S
F/NIM: use F/NIM(EU_T/C, EU_DVB-T2, China)
F/NIM H/NIM
H/NIM
SCART: use Scart Jack
SCART SCART
SCART
BOOSTER
BOOSTER BOOSTER: use BOOSTER_CTL
EU_BR_F/NIM
RF_SW_CTL: use RF_SWITCH_CTL
RF_SW_CTL
TC_F/NIM: use EU_DVB-T/C F/NIM
EU_F/NIM
TC_F/NIM T2_CN_F/NIM_BR: use EU_DVB-T2, China F/NIM, BRZIL F/NIM
EU_F/NIM: use EU_F/NIM
* DVB-T/C/S2 combo Tuner: DVB-T/C is H/NIM, and DVB-S2 is F/NIM EU_BR_F/NIM: use EU_F/NIM and Brazil F/NIM
TU4401
TDFR-G136D
HORIZONTAL_T
NC_1
1
BST_CNTL
2
+B1[5V]
3
NC_2[RF_AGC]
4
NC_3
5
SCLT
6
SDAT
7
NC_4
8
SIF
9
NC_5
10
TU4401-*1
VIDEO
TDFR-G236D
11
HORIZONTAL_T2
NC_1
1
GND
BST_CNTL
2
12
+B1[5V]
3
NC_2[RF_AGC]
4
+B2[1.2V]
NC_3
5
13
SCLT
6
SDAT
7
+B3[3.3V]
NC_4
8
14
SIF
9
NC_5
10
RESET
VIDEO
11
15
GND
12
+B2[1.2V]
13
+B4[2.5V]
+B3[3.3V]
14
16
RESET
15
+B4[2.5V]
16
SCL
SCL
17
17
SDA
18
ERR
19
SDA
SYNC
20 18
VALID
21
MCL
22
ERR
D0
23
19
D1
24
D2
25
SYNC
D3
26
20
D4
27
D5
28
VALID
D6
29
21
D7
30
31
MCL
SHIELD
22
D0
23
D1
24
D2
25
D3
26
D4
27
D5
28
D6
29
D7
30
31
SHIELD
IF_N
IF_P
IF_AGC
TU_RESET_SUB
RF_SWITCH_CTL_2
RF_SWITCH_CTL
TW9910_RESET
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 © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
H/NIM & F/NIM & T/C/S2 Combo Tuner
S: use DVB-T/C/S2 combo Tuner
CN : use China F/NIM
C4401
OPT
0.1uF
16V
TU4402
TDFQ-G001D
L4410
Non_S Non_S
HORIZONTAL_S Non_S
C4411 C4417
close to TUNER
100pF 0.1uF
NC_1 50V
16V
1
NC_2 BOOSTER
2 0
R4407 C4415 C4419
NC_3
100pF
3 0.1uF
50V
16V
S
S2_TU[3.3V] S S
R4408 0
4
C4431
NC_4
0.1uF close to TUNER
5 16V
OPT
TU_SCL +1.8V_TU
6
TU_SDA
7
C4407
C4414
T_1.8V 100pF 0.1uF
50V
8 16V
S S
T_SIF
9
R4402
NC_5
75
10
OPT
OPT OPT
C4454 C4416 C4461
T_CVBS
11 10uF 100pF 1000pF
16V 50V 50V
GND_1
12
TD_1.2V
13
T_3.3
14
T_TU_RESET
15
NC_6
16
TD_SCL
R4404 22
17
TD_SDA
R4405 22
18
C4402 C4404
T/C/S2_ERROR close to Tuner
18pF 18pF
19 50V 50V
T/C/S2_SYNC
20
T/C/S2_VALID
21
T/C/S2_MCL
22
T/C/S2_D0
23
T/C/S2_D1
24
T/C/S2_D2
25
T/C/S2_D3
26
T/C/S2_D4
27
T/C/S2_D5
28
T/C/S2_D6
29
T/C/S2_D7
30
L4409
+1.25V_TU
BLM18PG121SN1D
S2_1.25V
31
C4406 C4412 C4462
S
S2_RESET 100pF 10uF
0.1uF
32 50V 10V S
16V
S
S
S2_3.3V +3.3V_S2_LNB
33
R4406
R4403
2.2K
S2_F22 R4401
S 100
S
51 S2_RESET
34
S C4409
0.1uF
LNB_TX
S2_SCL S
35 0 S R4447
S2_SDA
R4448
36 0 S
GND_2
37
C4405 C4418
C4410
S2_LNB
10uF
100pF
38 0.1uF
10V
50V
16V
S S S
39
Surge protectioin
Close to Tuner #38 pin
SHIELD
C4403
1000pF C4408 C4413
33pF 33pF D4401
50V 3.0SMCJ20A(suzhougrande)
S
OPT 20V
S
IC4401
1ST : T-TJ3940S_XX, 2ND : T-AP2114H_2.5TRG1
+5V_TU
BOOSTER
L4406
BLM18PG121SN1D
BOOSTER
BOOSTER
R4419
R4425
0
10K
BOOSTER
Q4401
MMBT3906(NXP)
E
R4421
B 2.2K
BOOSTER C
R4427
C
10K
Q4403 B
+5V_TU 2SC3052
C4425 BOOSTER
0.01uF
E
50V
1uH BOOSTER
close to TUNER
+5V_TU
+3.3V_S2_TU
R4424
C4460 L4411-*1 L4412-*1
470
R4426
10uF S S
82
6.3V 0 0
0.1uF
E
S
close to TUNER C4426 S
Non_S
B
L4411 270nH
S
SCL0_3.3V
Q4402
R4422
Non_S C
L4412 270nH 4.7K MMBT3906(NXP)
SDA0_3.3V S
S
C4421
C4422 C4459
C4458
62pF
62pF 20pF 20pF
50V 50V
Non_S 50V 50V
Non_S Non_S Non_S
close to TUNER
+1.25V_TU
+3.3V_TU
OPT OPT
C4455
C4420 C4456
4700pF 0.1uF 100uF
50V 16V R4423
16V +3.3V_TU
R4420 100K
100
TU_RESET
OPT C4427
0.1uF
C4424
C4457 16V
C4423
10uF 0.1uF
100pF
16V 16V
50V
C4428
0.1uF
16V
NONE_S
SCL1_3.3V
SDA1_3.3V
AR4401
NON_S 47
TU_TS_ERR
TU_TS_SYNC
TU_TS_VAL
TU_TS_CLK
AR4402
NON_S 47
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
AR4403
47
NON_S
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
47 FE_TS_DATA[7]
R4418
+3.3V_S2_DE Close to the tuner
LNB_OUT
ERROR & VALID PIN
<EU, China>
DUAL COMPONENT
TU_TS_VAL
TU_TS_ERR
Tuner to CI Slot
RF_BOOSTER_CTL
+5V_TU
TU_SIF
NONE_S R4431
R4428 1K R4433 R4434
0 220 220
OPT
OPT
0
TU_CVBS
R4429 E
+3.3V_TU
0
+5V_TU
B
R4430 Q4404
1K MMBT3906(NXP)
R4432
C
OPT
R4435 R4436
200
200
POWER_ON/OFF2_1
ATV_OUT
E
B Q4405 C4432
MMBT3906(NXP)
C
10uF
+5V_Normal
16V
+2.5V_TU
OPTION:SCART
close to Tuner
+3.3V_TU
IC4402
AZ1117BH-1.8TRE1
IN OUT
3 2
S
1
ADJ/GND
FE_TS_DATA[0-7]
AR4401-*1
+5V_Normal
33
S
L4401
MLB-201209-0120P-N2
C4435
C4433
22uF
0.1uF
16V
16V
AR4402-*1
33
S
AR4403-*1
33
S
R4418-*1
33
S
R4445
0
T2
+3.3V_TU
IC4404
NL17SZ08DFT2G
R4439
IN_B VCC
0
1 5
OPT
C4463
NONE_T2
0.1uF
IN_A
NONE_T2 16V
2
R4446
GND OUT_Y 0
3 4
TS_VAL_ERR
NONE_T2
R4413
0
TS_VAL_ERR NIM_VAL_ERR
R4414
0
TU_TS_SYNC NIM_TS_SYNC
R4415
0
TU_TS_CLK NIM_TS_CLK
Max 1.5A
+1.25V_TU (EU)
+1.25V_TU
IC4403
AP2132MP-2.5TRG1 [EP]
R4416
R2
20K
1 8
1%
PG GND
R4411
R4417
10K
2 7 11K
1% R1
EN ADJ R4438
11K
3 6 1%
VOUT
VIN
C4438
2A
0.1uF
4 5
OPT
NC
VCTRL
EAN61387601
OPT
C4434
1uF
Vout=0.6*(1+R1/R2)
+3.3V_S2_LNB
+3.3V_TU
L4408
MLB-201209-0120P-N2
Max 217mA
C4447
S
+1.8V_TU C4443 10uF S
OPT
0.1uF 10V
+3.3V_S2_DE
L4403
MLB-201209-0120P-N2
C4446
C4450
S
10uF S 0.1uF
S
+3.3V_S2_TU 10V
C4437
C4436
0.1uF L4404
S 10uF
10V 16V MLB-201209-0120P-N2
S
S C4448
10uF
S
10V
+3.3V_Normal
+5V_TU
+3.3V_TU
L4402
MLB-201209-0120P-N2
C4440 C4441 OPT C4445 C4449
C4442 C4444 0.1uF
0.1uF C4464 0.1uF
22uF
22uF 0.1uF 22uF 16V
16V 16V
16V
16V 16V
+2.5V_TU
+3.3V_TU
IC4401
TJ3940S-2.5V-3L
VIN VOUT
3 2
1 R4437
1
C4439 GND
OPT 0.1uF
16V
C4429
C4430
10uF 0.1uF
10V
16V
BCM35230
LV7 EU TUNER 44 50
LGE Internal Use Only
C4453
10uF
16V
C4451
0.1uF
S
C4452
0.1uF
S