LG 47LA790V Service Manual page 45

TU6700
TDSS-H651F(B)
TU_S_US
NC
1
RESET
2
SCL
3
SDA
4
+B1[3.3V]
5
SIF
6
+B2[1.8V]
7
CVBS
8
IF_AGC
9
DIF[P]
10
DIF[N]
11
B1 A1
B1 A1
12
SHIELD
GND seperation for CHINA tuner
TU_M_CN
TU_M_CN
1000pF
C6706
C6707 1000pF
630V
630V
R6704
TU_PIN2
100
/TU_RESET2
TU_M/W
TU_M/W
C6700
0.1uF
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 © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
NC_1
RESET
SCL
I2C_SCL6_TU SDA
I2C_SDA6_TU +B1[3.3V]
TU6701
+3.3V_TU SIF
TDSM-C651D(B)
+B2[1.8V]
TUNER_SIF_TU
TU_M_CN
TU_+1.8V_TU CVBS CVBS
8
NC_1 NC_2
9
NC_2 NC_3
10
NC_3 NC_4
11
+B3[3.3V] +B3[3.3V]
12
+B4[1.23V] +B4[1.23V]
13
DEMOD_RESET NC_5
14
GND GND
15
NC_4 ERROR
16
SYNC SYNC
17
VALID VALID
18
RF_S/W_CTL MCLK MCLK
50 19
RF_SWITCH_CTL_50
RESET D0 D0
51 20
TU_PIN2
SCL D1 D1
52 21
I2C_SCL6_TU
SDA D2 D2
53 22
I2C_SDA6_TU
+B1[3.3V] D3 D3
54 23
+3.3V_TU
SIF D4 D4
55 24
TUNER_SIF_TU
+B2[1.8V] D5 D5
56 25
TU_+1.8V_TU
D6 D6
26
D7 D7
27
B1
B1
B1 A1
B1 A1
B2 59 A2
TU_TW_SINGLE
LNA_CTRL1
57
LNA_CTRL2
58
B1 B1
TU6702
TU6705
TDSN-G351D TDSQ-H651F(B)
TU_T2/C TU_Korea_PIP
+B1[+3.3V_S/P]
1 1
RESET
2 2
TU_SCL
3 3
TU_SDA
4 4
+B2[3.3V_M]
5 5
S_SIF
6 6
+B3[1.8V_M]
7 7
S_CVBS
8 8
M_IF_AGC
9 9
M_DIF[P]
10 10
M_DIF[N]
11 11
+B4[3.3V_S]
12 12
+B5[1.8V_S]
13 13
NC_1
14 14
GND
15 15
SD_ERROR
16 16
SD_SYNC
17 17
SD_VALID
18 18
SD_MCLK
19 19
SD_SERIAL_D0
20 20
NC_2
21 21
NC_3
22 22
NC_4
23 23
NC_5
24 24
NC_6
25 25
NC_7
26 26
NC_8
27 27
GND_1
A1 28
A1
GND_2
28 29
+B6[1.23V_SD]
30
SHIELD
SD_RESET
31
+B7[3.3V_SD]
32
NC_9
33
SD_SCL
34
SD_SDA
35
B1 A1
B1 A1
36
B1
SHIELD
50
RF_SWITCH_CTL_50
51
TU_PIN2
52
I2C_SCL6_TU
53 I2C_SDA6_TU
TU6704-*4 TU6702-*1 TU6704-*1 TU6704-*2 TU6704-*3
TDSN-T751F TDSQ-A651D(B) TDSW-B651F(B) TDSW-A651F(B) TDSW-K651F(B)
54
TU_AJJA TU_BR TU_TW TU_CO +3.3V_TU
RF_S/W_CTL +B1[+3.3V_S/P] +B1(3.3V)_S/P +B1(3.3V)_S/P +B1(3.3V)_S/P
1 1 1 1 1
2 RESET 2 RESET 2 T_RESET 2 T_RESET 2 T_RESET
3 SCL 3 TU_SCL 3 TU_SCL 3 TU_SCL 3 TU_SCL
4 SDA 4 TU_SDA 4 TU_SDA 4 TU_SDA 4 TU_SDA
5 +B1[3.3V] 5 +B2[3.3V_M] 5 +B2[3.3V_M] 5 +B2[3.3V_M] 5 +B2[3.3V_M]
55 TUNER_SIF_TU
6 SIF 6 S_SIF 6 S_SIF 6 S_SIF 6 S_SIF
7 +B2[1.8V] 7 +B3[1.8V_M] 7 +B3[1.8V_M] 7 +B3[1.8V_M] 7 +B3[1.8V_M]
8 CVBS 8 S_CVBS 8 S_CVBS 8 S_CVBS 8 S_CVBS
9 IF_AGC 9 M_IF_AGC 9 M_IF_AGC 9 M_IF_AGC 9 M_IF_AGC
10 DIF[P] 10 M_DIF[P] 10 M_DIF[P] 10 M_DIF[P] 10 M_DIF[P]
56 TU_+1.8V_TU
11 DIF[N] 11 M_DIF[N] 11 M_DIF[N] 11 M_DIF[N] 11 M_DIF[N]
NC_1 +B4[3.3V_S] +B4[3.3V_S] +B4[3.3V_S] +B4[3.3V_S]
12 12 12 12 12
NC_2 +B5[1.8V_S] +B5[1.8V_S] +B5[1.8V_S] +B5[1.8V_S]
13 13 13 13 13
NC_3 NC_1
14 14
GND GND
15 15 57
NC_4 SD_ERROR FE_LNA_Ctrl1
16 16
NC_5 SD_SYNC
17 17
NC_6 SD_VALID
18 18
NC_7 SD_MCLK
19 19
NC_8 SD_SERIAL_D0
20 20
NC_9 NC_2
21 21
NC_10 NC_3
22 22
NC_11 NC_4
23 23
NC_12 NC_5 58 FE_LNA_Ctrl2
24 24
NC_13 NC_6
25 25
NC_14 NC_7
26 26
NC_15 NC_8
27 27
GND_1 GND_1 GND_1 GND_1
A1 A1 28 28 28 28
GND_2 GND_2 GND_2 GND_2
59 29 29 29 29
+B6[1.23V_SD] +B6[1.23V_D] +B6[1.23V_D] +B6[1.23V_D]
SHIELD 30 30 30 30
SD_RESET D_RESET D_RESET D_RESET
31 31 31 31
32 +B7[3.3V_SD] 32 +B7[3.3V_D] 32 +B7[3.3V_D] 32 +B7[3.3V_D]
33 NC_9 33 NC_1 33 NC_1 33 NC_1
34 SD_SCL 34 D_SCL 34 SD_SCL 34 D_SCL
35 SD_SDA 35 D_SDA 35 SD_SDA 35 D_SDA
B1 A1
B1 A1
36
38 GND_3 38 GND_3 38 GND_3
SHIELD
39 GND_4 39 GND_4 39 GND_4
40 MD_ERROR 40 NC_2 40 MD_ERROR
RF_S/W_CTRL 50 41 MD_SYNC RF_S/W_CTRL 50 41 NC_3 RF_S/W_CTRL 50 41 MD_SYNC
NC_2 MD_VALID NC_7 NC_4 NC_2 MD_VALID
51 42 51 42 51 42
MD_MCLK NC_5 MD_MCLK
43 43 43
MD_DATA NC_6 MD_DATA
44 44 44
SD_ERROR SD_ERROR SD_ERROR
45 45 45
SD_SYNC SD_SYNC SD_SYNC
46 46 46
SD_VALID SD_VALID SD_VALID
47 47 47
SD_MCLK SD_MCLK SD_MCLK
48 48 48
SD_DATA SD_DATA SD_DATA
49 49 49
B1 A1 B1 A1 B1 A1
B1 A1 B1 A1 B1 A1
59 59 59
SHIELD SHIELD SHIELD
TU6703 TU6704
TDSQ-G651D(B) TDSW-J551F(B)
TU_W_JP
TU_Q_T2/S2
N.C_1 +5V_OR_+3.3V_SPLITTER
1 1
RESET RESET_T1
2 2
SCL SCL_T
3 3
SDA SDA_T
4 4
+B1[3.3V] +3.3V_T1
5 5
SIF NC_1
6 6
+B2[1.8V] +1.8V_T1
7 7
CVBS NC_2
8 8
NC_2 NC_3
9 9
NC_3 NC_4
10 10
NC_4 NC_5
11 11
NC_5 +3.3V_T2
12 12
NC_6 +1.8V_T2
13 13
NC_7
14
GND
15
ERROR
16
SYNC
17
VALID
18
MCLK
19
D0
20
D1
21
D2
22
D3
23
D4
24
D5
25
D6
26
D7
27
GND_2 GND_2
28 28
GND_3 GND_3
29 29
+B3[1.23V] +B5[1.23V]
30 30
DEMOD_RESET D_RESET
31 31
F22_OUTPUT +B6[3.3V]
32 32
DEMOD_SCL NC_6
33 33
DEMOD_SDA D_SCL
34 34
LNB D_SDA
35 35
GND_4 LNB
TU_Q_T2/S2
36 36
R6707 0
SHIELD GND_4
37 37
GND_5
A1 38
B1 A1
38 GND_6
39
TS1_ERROR
40
+B4[3.3V]
NC_7 TS1_SYNC
50 41
RESET_T2 TS1_VALID
51 42
SCL_S TS1_MCLK
52 43
SDA_S TS1_DATA
53 44
+3.3V_S_TUNER TS2_ERROR
54 45
NC_8 TS2_SYNC
55 46
NC_9 TS2_VALID
56 47
TU_W_JP LNA_CTR1 TS2_MCLK
2.2K TU_W_JP
57 48
R6705
C6701
LNA_CTR2 TS2_DATA
0.1uF
58 49
16V
TU_W_JP
2.2K TU_W_JP
B1 A1
R6706
C6702
B1 A1
0.1uF
16V
59
SHIELD
TU_SYMBOL
RF_SWITCH_CTL_TU
C6705
10uF
10V
1
/TU_RESET1_TU 2
I2C_SCL6_TU 3
4
I2C_SDA6_TU
5
+3.3V_TU
6
TUNER_SIF_TU
7
TU_+1.8V_TU
TU_CVBS_TU 8
9
IF_AGC_TU
10
IF_P
IF_N 11
12
+3.3V_D_Demod
13
Power_D_Demod_TU
CN_RESET_TU 14
FE_DEMOD1_TS_ERROR 16
17
FE_DEMOD1_TS_SYNC
18
FE_DEMOD1_TS_VAL
19
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_DATA[0] 20
FE_DEMOD1_TS_DATA[1] 21
FE_DEMOD1_TS_DATA[2] 22
FE_DEMOD1_TS_DATA[3] 23
24
FE_DEMOD1_TS_DATA[4]
25
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6] 26
FE_DEMOD1_TS_DATA[7] 27
30
+1.23V_D_Demod_TU
31
/S2_RESET_TU
+3.3V_D_Demod2 32
33
LNB_TX
34
I2C_SCL4_TU
I2C_SDA4_TU 35
36
LNB_OUT
FE_DEMOD2_TS_ERROR 40
FE_DEMOD2_TS_SYNC 41
42
FE_DEMOD2_TS_VAL
43
FE_DEMOD2_TS_CLK
FE_DEMOD2_TS_DATA 44
FE_DEMOD3_TS_ERROR 45
FE_DEMOD3_TS_SYNC 46
FE_DEMOD3_TS_VAL 47
48
FE_DEMOD3_TS_CLK
49
FE_DEMOD3_TS_DATA
TU_QW
L6701
BLM18PG121SN1D
+3.3V_D_Demod2 +3.3V_TU
TU_QW TU_QW
C6708 C6709
0.1uF 10uF
10V
TU_MNQW
L6700
BLM18PG121SN1D
+3.3V_D_Demod +3.3V_TU
TU_MNQW
TU_MNQW
C6704
C6703
10uF
0.1uF
10V
BSD-NC4_H067-HD
2012.09.14
LGE Internal Use Only