LG 32LD650 Service Manual page 26

CAN H-NIM/NIM TUNER for TAIWAN
TU2600-*2
TU2600-*1
TDVJ-H031F
TDVJ-H001F
ANT_PWR[OPT]
Latin_Tuner_V
Latin_Tuner_H 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-*5
TU2600-*3
TDTJ-S001D TDTR-T035F
TDTJ-S031D
AU_Asia_Tuner_H
AU_Asia_Tuner_V
ANT_PWR[OPT]
ANT_PWR[OPT] Taiwan/Brazil_H
1 1
1
BST_CNTL
BST_CNTL
2 2
2
+B
+B
3 3
3
NC[RF_AGC]
NC[RF_AGC]
4 4
4
AS
AS
5 5
5
SCL
SCL
6 6
6
SDA
SDA
7 7
7
NC[IF_TP]
NC(IF_TP)
8 8
8
SIF
SIF
9 9
9
NC
NC
10 10
10
VIDEO
VIDEO
11 11
11
GND
GND
12 12
12
1.2V
1.2V
13 13
13
3.3V
3.3V
14 14
14
RESET
RESET
15 15
15
IF_AGC_CNTL
IF_AGC_CNTL
16 16
16
DIF_1
DIF_1
17 17
17
DIF_2
DIF_2
18 18
18
19 19
19
SHIELD SHIELD
SHIELD
CAUTION : Closed BCM IC(IC100)
IF AGC FILTER
A3.3V
R2633 R2638
2K 220
TU_IF_AGC_BCM
1/16W 1/16W
5% 5%
IF FILTER OPTION
TU_IF_N_BCM
TU_IF_N_1
0.01uF C2631
TU_IF_P_BCM
TU_IF_P_1
0.01uF C2632
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
TDTR-T055F
Taiwan/Brazil_V close to TUNER
ANT_PWR[OPT]
1
C2601
BST_CNTL
0.1uF
2
16V
+B[5V]
3
NC[RF_AGC]
R2600 0
4
OPT
AS
5
SCL
6
SDA
7
NC(IF_TP)
8
SIF
C2602 close to TUNER
9
0.1uF 16V
NC
10
VIDEO
11
close to TUNER
GND
12
RF_S/W_CTL
C2634
+B2[1.2V]
13 10uF
BST_CTL
10V
+B3[3.3V]
+B1[5V]
14
C2635
NC_1[RF_AGC]
RESET 10uF
15 10V
NC_2
IF_AGC_CNTL
SCLT
16
SDAT
DIF_1[N]
17
NC_3
DIF_2[P]
SIF
18
NC_4
VIDEO
19
GND
SHIELD
+B2[1.2V]
+B3[3.3V]
RESET
IF/AGC
DIF_1[N]
DIF_2[P]
+5V_NORMAL
TU_IF_AGC_1
TU_IF_AGC_2
RF_SWITCH_CTL
R2602 0
R2605 0
+5V_TU
OPTION : RF AGC
C2606 C2609
C2636 C2604 C2608
10uF
0.1uF
22uF 100pF 0.1uF
10V
16V
10V 50V 16V
OPT
OPT
C
R2608
10K
Q2600 B
2SC3052
OPT
OPT
E
NON_TUNER_I2C_LPF
C2611-*1 C2612-*1
18pF 18pF
50V 50V
NON_TUNER_I2C_LPF
TUNER_I2C_LPF
+1.2V_TU
L2605
+3.3V_TU +3.3V_TU
BLM18PG121SN1D
C2600 C2603
100pF 0.1uF
C2607
50V 16V
C2605 R2607
0.1uF R2606 100K
100pF
TUNER_RESET
16V 100
50V
C2610
0.1uF
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
R2627
0.1uF
OUTPUT 1.2K
16V
V_OUT=V_REF(1+R2/R1)
+5V_TU
L2600
BLM18PG121SN1D
R2615
Q2601
0
ISA1530AC1
E
R2618
2.2K
B
C
C
Q2604
2SC3052
C2613
E
0.01uF
25V
L2609-*1 33
NON_TUNER_I2C_LPF
IF_AGC_SEL
L2610-*1 33 R2622
4.7K
NON_TUNER_I2C_LPF
TUNER_I2C_LPF
270nH
L2609
SCL0_3.3V
270nH L2610
SDA0_3.3V
C2612 R2017
C2638 C2639
C2611 TUNER_I2C_LPF
1K
62pF 20pF 20pF
62pF
50V OPT
50V 50V 50V
R2018
TUNER_I2C_LPF TUNER_I2C_LPF TUNER_I2C_LPF
OPT
R2613 0
R2614
1K
OPT
IF_AGC
R2611 100
IF_N_EXT
NIM
R2612 100
IF_P_EXT
NIM
+1.2V_TU
R2628
10
R2
GND
R1
R2629
1
C2616
0.1uF
C2615
16V
10uF
10V
R2621
10K
R2623
10K
B
LNA2_CTL/BOSTER_CTL
+5V_TU
R2625
470 R2626
82
TU_SIF
E
B
ISA1530AC1
Q2605
C
+5V_TU
R2616 R2619
200
200
0
TU_CVBS
E
B Q2602
ISA1530AC1
C
+3.3V_NORMAL
+3.3V_TU
L2604
60mA
CIC21J501NE
C2621 C2622
C2625 C2633
0.1uF
0.1uF
22uF 0.1uF
16V
16V 10V 16V
For ESD
+5V_NORMAL
+5V_TU
L2603
200mA
BLM18PG121SN1D
C2623 C2624 C2626
C2620
C2637 0.1uF 10uF 22uF
0.1uF
16V
16V 0.1uF 16V 10V
16V
GP2_BCM Ver. 1.0
28
Tuner (Half Nim)