LG 55LX9500 Service Manual page 28

PStoPDF trial version. http://www.oakdoc.com
CAN H-NIM/NIM TUNER for TAIWAN
TU2600-*1 TU2600-*2
TDVJ-H031F
TDVJ-H001F
T a i w a n / B r a z i l _ H
L a t i n _ T u n e r _ V L a t i n _ T u n e r _ H
ANT_PWR[OPT]
ANT_PWR[OPT]
1
1
BST_CNTL BST_CNTL
2
2
+B +B
3
3
NC[RF_AGC]
NC[RF_AGC]
4 4
AS
AS
5 5
SCL
SCL
6
6
SDA SDA
7
7
NC(IF_TP) NC(IF_TP)
8 8
SIF
SIF
9 9
NC
NC
10
10
VIDEO
VIDEO
11
11
GND GND
12
12
1.2V 1.2V
13 13
3.3V
3.3V
14 14
RESET
RESET
15
15
IF_AGC_CNTL IF_AGC_CNTL
16
16
DIF_1 DIF_1
17
17
DIF_2
DIF_2
18 18
19 19
SHIELD SHIELD
TU2600-*4
TU2600-*3
TDTJ-S001D
TDTJ-S031D
AU_Asia_Tuner_H
AU_Asia_Tuner_V
ANT_PWR[OPT]
ANT_PWR[OPT] 1
1
BST_CNTL
BST_CNTL 2
2
+B
+B 3
3
NC[RF_AGC]
NC[RF_AGC] 4
4
AS
AS 5
5
SCL
SCL 6
6
SDA
SDA 7
7
NC[IF_TP]
NC(IF_TP) 8
8
SIF
SIF 9
9
NC
NC 10
10
VIDEO
VIDEO 11
11
GND
GND 12
12
1.2V
1.2V 13
13
3.3V
3.3V 14
14
RESET
RESET 15
15
IF_AGC_CNTL
IF_AGC_CNTL 16
16
DIF_1
DIF_1 17
17
DIF_2
DIF_2 18
18
19
19
SHIELD
SHIELD
IF AGC FILTER
A3.3V
R2633 R2638
2K 220
TU_IF_AGC_BCM
1/16W 1/16W
5% 5%
OPT
IF FILTER OPTION
TU_IF_N_BCM
TU_IF_P_BCM
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.
TU2600-*5
TDTR-T035F
RF_S/W_CTL
1
BST_CTL
2
+B1[5V]
3
NC_1[RF_AGC]
4
NC_2
5
SCLT
TU2600
6
SDAT
7
TDTR-T055F
NC_3
8
SIF
9 T a i w a n / B r a z i l _ V close to TUNER
NC_4
ANT_PWR[OPT]
10
1
VIDEO
11 C2601
BST_CNTL
0 . 1 u F
GND
2
12 16V
+B2[1.2V]
+B[5V]
13
3
+B3[3.3V]
14
NC[RF_AGC]
RESET
4 R2600 0
15
IF/AGC OPT
AS
16
5
DIF_1[N]
17
SCL
D I F _ 2 [ P ]
6
18
SDA
19 7
SHIELD NC(IF_TP)
8
SIF
close to TUNER
C2602
9
0 . 1 u F 16V
NC
10
VIDEO
11
close to TUNER
GND
12
+B2[1.2V]
C2634
13
10uF
10V
+B3[3.3V]
14
C2635
RESET
10uF
15
10V
IF_AGC_CNTL
16
DIF_1[N]
17
D I F _ 2 [ P ]
18
19
SHIELD
CAUTION : Closed BCM IC(IC100)
+5V_NORMAL
TU_IF_AGC_1
TU_IF_AGC_2
TU_IF_N_1
TU_IF_P_1
RF_SWITCH_CTL
R2602 0
R2605 0
+5V_TU
close to TUNER OPTION : RF AGC
C2609
C2608 10uF
C2606 0 . 1 u F
C2636 C2604 10V
0 . 1 u F 16V
OPT
22uF 100pF
16V
OPT
10V 50V
C
R2608
Q2600 B 10K
2SC3052
OPT
OPT
E
NON_TUNER_I2C_LPF TUNER_I2C_LPF
C2611-*1 C2612-*1
18pF 18pF
50V 50V
NON_TUNER_I2C_LPF
+1.2V_TU
L2605 +3.3V_TU
+3.3V_TU
BLM18PG121SN1D
C2600 C2603
C2607
100pF 0 . 1 u F C2605
0 . 1 u F
50V 16V 100pF
R2607
16V R2606 100K
50V
TUNER_RESET
100
C2610
0 . 1 u F
16V
R2601 0
TU_IF_N_BCM
INT_DEMOD R2603 0
TU_IF_P_BCM
INT_DEMOD R2604 0
+3.3V_TU
IC2600
AZ1117H-ADJTRE1(EH11A)
INPUT ADJ/GND
3 1
2
C2614
0 . 1 u F
OUTPUT
16V
V_OUT=V_REF(1+R2/R1)
+5V_TU
L2600
BLM18PG121SN1D
R2615 Q2601
0
ISA1530AC1
E
R2618
2.2K
B
C
Q2604
2SC3052
C2613
0 . 0 1 u F
25V
IF_AGC_SEL
L2609-*1
33
NON_TUNER_I2C_LPF
L2610-*1
33
NON_TUNER_I2C_LPF
+5V_TU
L2609 270nH TUNER_I2C_LPF
SCL0_3.3V
L2610 270nH TUNER_I2C_LPF
SDA0_3.3V
C2612 C2639 C2638
C2611
62pF
62pF 20pF 20pF
50V
50V 50V
50V
OPT
TUNER_I2C_LPF
TUNER_I2C_LPF TUNER_I2C_LPF
R2644 0
E
B Q2602
ISA1530AC1
C
IF_AGC
R2611 100
IF_N_EXT
NIM
R2612 100
IF_P_EXT
NIM
+1.2V_TU
R2628
10
R2
GND
R2627
1.2K
R1
C2616
0 . 1 u F
C2615
16V
10uF
10V
R2621
10K
C
R2623
10K
B
LNA2_CTL/BOSTER_CTL
E
+5V_TU
R2626
82
TU_SIF
E
B ISA1530AC1
Q2605
C
TU_CVBS
+3.3V_NORMAL
+3.3V_TU
L2604
CIC21J501NE 60mA
C2621
C2622 C2625 C2633
0 . 1 u F
0 . 1 u F
22uF 0 . 1 u F
16V
16V 10V 16V
For ESD
+5V_NORMAL
+5V_TU
L2603
200mA
BLM18PG121SN1D
C2637
C2620 C2623 C2624 C2626
0 . 1 u F 0 . 1 u F
0 . 1 u F 22uF 22uF
16V 16V
10V 10V
16V
GP2_BCM V e r . 1 . 0
28
T u n e r ( H a l f N i m )