47SL90QD-CA (CHASSIS:LC91L) - LG TV Service Manual (repair manual). Page 30

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.

TUNER

R1108

240

R1119
10K

1/16W
5%

R1120

0

TU_IF_AGC

001:F3

BOOSTER

Q1103

2SC3875S(ALY)

E

B

C

+5V_TUNER

R1117

270

TU_SDA_5V

001:C6

R1114

0

C1111

0.01uF

25V

C1105

100pF

50V

+5V_TUNER

BOOSTER

+5V_TUNER

C1115
220pF
50V
OPT

FE_BOOSTER_CTL

Q1102

2SA1530A-T112-1R

E

B

C

Q1101

2SA1504S

E

B

C

+5V_TUNER

C1103
47pF
50V

R1106

4.7K

R1118

270

R1105

47

R1104

47

R1109

240

RF_SWITCH_SEL

FE_SIF

R11160

OPT

R1110

82

Q1100

2SA1530A-T112-1R

E

B

C

TU_DIF2

001:F2

R11120

R1113

OPT

TU_DIF1

001:F2

C1114
0.1uF
16V

R1115
2.2K

FE_VMAIN

C1102
47pF
50V

R1103

0

R1107

0

OPT

TU_SCL_5V

001:C5

R1111

0

C1100
0.1uF

16V

C1101
0.1uF
16V

C1106
0.1uF
16V

R1100

47

C1112
0.01uF
25V

R1102

0

R1101

0

C1104
220uF
16V

C1107
220uF

16V

L1100

MLB-201209-0120P-N2

+5V_TUNER

L1104

CM2012FR47KT

0.47uH

DIF_FILTER

R2827
0

OPT

C2841

0.1uF

16V

C1110
39pF
50V

DIF_FILTER

RF_AGC_CE6210

010:F6

R1121
0

C1116

10pF

L1103

DIF_FILTER

220nH

L1102

DIF_FILTER

220nH

R1123
0

R1122
0

C1113

100uF
16V

OPT

TU1100

TDFR-Z752D

14

GND

13

NC_4

5

RF_AGC

12

TU_IF

11

NC_3

2

GAIN-SW

19

NC_7

18

SCL

10

NC_2

4

VTU

1

CTR

17

SDA

9

VIDEO

8

SIF

3

+B1

16

NC_6

7

NC_1

6

+B2

15

NC_5

24

SHIELD

20

IF_AGC

21

DIF1

22

DIF2

23

NC_8

R1124

0

1/10W

5%

11    17

TUNER

   2009.7.2.

EAX61333001

Close to tuner

TUNER TDFR-Z752D

ROUTE SYMMETRICALLY