LG 42LA86 Series Service Manual page 46

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
I2C_SCL6_TU
I2C_SDA6_TU
TU6701
+3.3V_TU
TDSM-C651D(B)
TUNER_SIF_TU
TU_M_CN
TU_+1.8V_TU CVBS
8
NC_1
9
NC_2
10
NC_3
11
+B3[3.3V]
12
+B4[1.23V]
13
DEMOD_RESET
14
GND
15
NC_4
16
SYNC
17
VALID
18
RF_S/W_CTL MCLK
50 19
RF_SWITCH_CTL_50
RESET D0
51 20
TU_PIN2
SCL D1
52 21
I2C_SCL6_TU
SDA D2
53 22
I2C_SDA6_TU
+B1[3.3V] D3
54 23
+3.3V_TU
SIF D4
55 24
TUNER_SIF_TU
+B2[1.8V] D5
56 25
TU_+1.8V_TU
D6
26
D7
27
B1
B1 A1
B1 A1
B2 59 A2
LNA_CTRL1
LNA_CTRL2
B1
TU6702
TU6705
TDSN-G351D TDSQ-H651F(B)
TU_T2/C
TU_Korea_PIP
NC_1 +B1[+3.3V_S/P]
1 1
RESET RESET
2 2
SCL TU_SCL
3 3
SDA TU_SDA
4 4
+B1[3.3V] +B2[3.3V_M]
5 5
SIF S_SIF
6 6
+B2[1.8V] +B3[1.8V_M]
7 7
CVBS S_CVBS
8 8
NC_2 M_IF_AGC
9 9
NC_3 M_DIF[P]
10 10
NC_4 M_DIF[N]
11 11
+B3[3.3V] +B4[3.3V_S]
12 12
+B4[1.23V] +B5[1.8V_S]
13 13
NC_5 NC_1
14 14
GND GND
15 15
ERROR SD_ERROR
16 16
SYNC SD_SYNC
17 17
VALID SD_VALID
18 18
MCLK SD_MCLK
19 19
D0 SD_SERIAL_D0
20 20
D1 NC_2
21 21
D2 NC_3
22 22
D3 NC_4
23 23
D4 NC_5
24 24
D5 NC_6
25 25
D6 NC_7
26 26
D7 NC_8
27 27
GND_1
A1 28
B1 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
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-B652F(B) TDSW-A652F(B) TDSW-K651F(B)
TU_TW_SINGLE TU_AJJA 54
RF_S/W_CTL +B1[+3.3V_S/P] TU_BR +B1(3.3V)_S/P TU_TW +B1(3.3V)_S/P TU_CO +B1(3.3V)_S/P +3.3V_TU
1 1 1 1 1
RESET RESET T_RESET T_RESET T_RESET
2 2 2 2 2
SCL TU_SCL TU_SCL TU_SCL TU_SCL
3 3 3 3 3
SDA TU_SDA TU_SDA TU_SDA TU_SDA
4 4 4 4 4
+B1[3.3V] +B2[3.3V_M] +B2[3.3V_M] +B2[3.3V_M] +B2[3.3V_M]
5 5 5 5 5 55
SIF S_SIF S_SIF S_SIF S_SIF TUNER_SIF_TU
6 6 6 6 6
+B2[1.8V] +B3[1.8V_M] +B3[1.8V_M] +B3[1.8V_M] +B3[1.8V_M]
7 7 7 7 7
CVBS S_CVBS S_CVBS S_CVBS S_CVBS
8 8 8 8 8
IF_AGC M_IF_AGC M_IF_AGC M_IF_AGC M_IF_AGC
9 9 9 9 9
DIF[P] M_DIF[P] M_DIF[P] M_DIF[P] M_DIF[P]
10 10 10 10 10 56
DIF[N] M_DIF[N] M_DIF[N] M_DIF[N] M_DIF[N] TU_+1.8V_TU
11 11 11 11 11
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
57 26 26
NC_15 NC_8
58 27 27
GND_1 GND_1 GND_1 GND_1
A1 28 28 28 28
B1 A1 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]
30 30 30 30
SHIELD SD_RESET D_RESET D_RESET D_RESET
31 31 31 31
+B7[3.3V_SD] +B7[3.3V_D] +B7[3.3V_D] +B7[3.3V_D]
32 32 32 32
NC_9 NC_1 NC_1 NC_1
33 33 33 33
SD_SCL D_SCL SD_SCL D_SCL
34 34 34 34
SD_SDA D_SDA SD_SDA D_SDA
35 35 35 35
B1 A1
B1 A1
36
GND_3 GND_3 GND_3
38 38 38
SHIELD GND_4 GND_4 GND_4
39 39 39
MD_ERROR NC_2 MD_ERROR
40 40 40
RF_S/W_CTRL MD_SYNC RF_S/W_CTRL NC_3 RF_S/W_CTRL MD_SYNC
50 41 50 41 50 41
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_Q_T2/S2 TU_W_JP
N.C_1
1 1
RESET
2 2
SCL
3 3
SDA
4 4
+B1[3.3V]
5 5
SIF
6 6
+B2[1.8V]
7 7
CVBS
8 8
NC_2
9 9
NC_3
10 10
NC_4
11 11
NC_5
12 12
NC_6
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
28 28
GND_3
29 29
+B3[1.23V]
30 30
DEMOD_RESET
31 31
F22_OUTPUT
32 32
DEMOD_SCL
33 33
DEMOD_SDA
34 34
LNB
35 35
GND_4
TU_Q_T2/S2
36 36
R6707 0
SHIELD
37 37
B1 A1 38
B1 A1
38
39
40
+B4[3.3V]
NC_7
50 41
RESET_T2
51 42
SCL_S
52 43
SDA_S
53 44
+3.3V_S_TUNER
54 45
NC_8
55 46
NC_9
56 47
TU_W_JP LNA_CTR1
10K TU_W_JP
57 48
R6705
C6701
LNA_CTR2
0.1uF
58 49
16V
TU_W_JP
TU_W_JP
10K
B1
R6706
C6702
B1 A1
0.1uF
16V
59
SHIELD
TU_SYMBOL
RF_SWITCH_CTL_TU
C6705
+5V_OR_+3.3V_SPLITTER
10uF
10V
1
RESET_T1
/TU_RESET1_TU 2
SCL_T
I2C_SCL6_TU 3
SDA_T
4
I2C_SDA6_TU
+3.3V_T1
5
+3.3V_TU
NC_1
6
TUNER_SIF_TU
+1.8V_T1
7
TU_+1.8V_TU
NC_2
8
TU_CVBS_TU
NC_3
9
IF_AGC_TU
NC_4
10
IF_P
NC_5
IF_N 11
+3.3V_T2
+3.3V_D_Demod 12
+1.8V_T2
Power_D_Demod_TU 13
CN_RESET_TU 14
16
FE_DEMOD1_TS_ERROR
17
FE_DEMOD1_TS_SYNC
18
FE_DEMOD1_TS_VAL
19
FE_DEMOD1_TS_CLK
20
FE_DEMOD1_TS_DATA[0]
21
FE_DEMOD1_TS_DATA[1]
22
FE_DEMOD1_TS_DATA[2]
23
FE_DEMOD1_TS_DATA[3]
24
FE_DEMOD1_TS_DATA[4]
25
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6] 26
FE_DEMOD1_TS_DATA[7] 27
GND_2
GND_3
+B5[1.23V]
+1.23V_D_Demod_TU 30
D_RESET
31
/S2_RESET_TU
+B6[3.3V]
32
+3.3V_D_Demod2
NC_6
33
LNB_TX
D_SCL
34
I2C_SCL4_TU
D_SDA
I2C_SDA4_TU 35
LNB
LNB_OUT 36
GND_4
GND_5
GND_6
TS1_ERROR
FE_DEMOD2_TS_ERROR 40
TS1_SYNC
FE_DEMOD2_TS_SYNC 41
TS1_VALID
FE_DEMOD2_TS_VAL 42
TS1_MCLK
FE_DEMOD2_TS_CLK 43
TS1_DATA
FE_DEMOD2_TS_DATA 44
TS2_ERROR
45
FE_DEMOD3_TS_ERROR
TS2_SYNC
46
FE_DEMOD3_TS_SYNC
TS2_VALID
47
FE_DEMOD3_TS_VAL
TS2_MCLK
48
FE_DEMOD3_TS_CLK
TS2_DATA
49
FE_DEMOD3_TS_DATA
TU_QW
L6701
A1
BLM18PG121SN1D
+3.3V_D_Demod2 +3.3V_TU
TU_QW TU_QW
C6709
C6708
10uF
0.1uF
10V
TU_MNQW
L6700
BLM18PG121SN1D
+3.3V_D_Demod +3.3V_TU
TU_MNQW
TU_MNQW
C6704
C6703
0.1uF 10uF
10V
BSD-NC4_H067-HD
2012.09.14
LGE Internal Use Only