47LX6500-DD (CHASSIS:LT03R) - LG TV Service Manual (repair manual). Page 28

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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.
+3.3V_TU
IF_AGC_SEL
ISA1530AC1
Q2601
E
B
C
0
INT_DEMOD
R2604
TU_SIF
0
R2602
10K
R2623
100pF
50V
C2600
10K
OPT
R2608
100pF
50V
C2605
10K
R2621
0 . 1 u F
16V
C2607
LNA2_CTL/BOSTER_CTL
0 . 1 u F
16V
C2610
100
R2606
ISA1530AC1
Q2602
E
B
C
4.7K
R2622
0
R2615
0
OPT
R2600
100
NIM
R2612
TU_CVBS
0 . 1 u F
16V
C2603
+5V_TU
IF_P_EXT
0 . 1 u F
16V
OPT
C2608
100
NIM
R2611
0 . 1 u F
16V
C2606
0 . 1 u F
16V
C2602
200
R2616
0
R2605
TUNER_RESET
SCL0_3.3V
+5V_TU
2SC3052
OPT
Q2600
E
B
C
SDA0_3.3V
100pF
50V
C2604
IF_AGC
82
R2626
0
R2601
10uF
10V
OPT
C2609
0 . 0 1 u F
25V
C2613
100K
R2607
+1.2V_TU
+5V_TU
2SC3052
Q2604
E
B
C
+5V_TU
BLM18PG121SN1D
L2600
0
R2613
ISA1530AC1
Q2605
E
B
C
IF_N_EXT
TU_IF_N_BCM
0 . 1 u F
16V
C2601
+3.3V_TU
470
R2625
TU_IF_P_BCM
200
R2619
0
INT_DEMOD
R2603
1K
OPT
R2614
RF_SWITCH_CTL
2.2K
R2618
0 . 1 u F
16V
C2622
+3.3V_TU
22uF
10V
C2626
0 . 1 u F
16V
C2620
22uF
10V
C2625
+3.3V_NORMAL
BLM18PG121SN1D
L2603
+5V_TU
0 . 1 u F
16V
C2623
22uF
10V
C2624
0 . 1 u F
16V
C2621
+5V_NORMAL
CIC21J501NE
L2604
510
R2641
1/16W
3.9K
5%
R2632
TU_IF_N_1
1/16W
3.9K
5%
R2624
510
OPT
R2642
1/16W
2K
5%
R2633
TU_IF_AGC_2
TU_IF_P_1
0.01uF
OPT
C2629
A3.3V
1/16W
220
5%
R2638
TU_IF_N_BCM
0 . 0 1 u F
C2631
TU_IF_AGC_BCM
0 . 0 1 u F
C2632
+5V_NORMAL
TU_IF_P_BCM
0.01uF
C2627
TU_IF_AGC_1
0 . 1 u F
16V
C2614
+1.2V_TU
10uF
10V
C2615
1.2K
R2627
AZ1117H-ADJTRE1(EH11A)
IC2600
2
OUTPUT
3
INPUT
1
ADJ/GND
GND
10
R2628
0 . 1 u F
16V
C2616
1
R2629
+3.3V_TU
0 . 1 u F
16V
C2633
TDTR-T055F
T a i w a n / B r a z i l _ V
TU2600
14
+ B 3 [ 3 . 3 V ]
13
+ B 2 [ 1 . 2 V ]
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1[N]
9
S I F
8
NC(IF_TP)
3
+B[5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
D I F _ 2 [ P ]
SHIELD
19
TDTJ-S031D
TU2600-*3
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
TDTJ-S001D
TU2600-*4
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
S I F
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
1K
OPT
R2643
0
R2644
OPT
TDTR-T035F
TU2600-*5
T a i w a n / B r a z i l _ H
14
+ B 3 [ 3 . 3 V ]
13
+ B 2 [ 1 . 2 V ]
5
NC_2
12
GND
11
VIDEO
2
BST_CTL
10
NC_4
4
NC_1[RF_AGC]
1
RF_S/W_CTL
17
DIF_1[N]
9
S I F
8
NC_3
3
+B1[5V]
16
IF/AGC
7
SDAT
6
SCLT
15
RESET
18
D I F _ 2 [ P ]
SHIELD
19
TDVJ-H031F
TU2600-*1
L a t i n _ T u n e r _ V
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
TDVJ-H001F
L a t i n _ T u n e r _ H
TU2600-*2
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
BLM18PG121SN1D
L2605
10uF
10V
C2634
10uF
10V
C2635
22uF
10V
C2636
0 . 1 u F
16V
C2637
20pF
50V
C2638
TUNER_I2C_LPF
20pF
50V
C2639
TUNER_I2C_LPF
270nH
L2609
TUNER_I2C_LPF
270nH
L2610
TUNER_I2C_LPF
33
L2609-*1
NON_TUNER_I2C_LPF
33
L2610-*1
NON_TUNER_I2C_LPF
62pF
50V
C2611
TUNER_I2C_LPF
62pF
50V
C2612
TUNER_I2C_LPF
18pF
50V
C2611-*1
NON_TUNER_I2C_LPF
18pF
50V
NON_TUNER_I2C_LPF
C2612-*1
T u n e r   ( H a l f   N i m )
GP2_BCM
V e r .   1 . 0
28
CAN H-NIM/NIM TUNER for TAIWAN
close to TUNER
OPTION : RF AGC
close to TUNER
60mA
200mA
IF AGC FILTER
IF FILTER OPTION
CAUTION : Closed BCM IC(IC100)
R2
R1
V_OUT=V_REF(1+R2/R1)
For ESD
close to TUNER
close to TUNER
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