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LG 55LA7400 - Page 40

LG 55LA7400
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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.
LNB_TX
TU_GND_A
R6403
0
NON_TU_H
FE_DEMOD1_TS_DATA[6]
TUNER_SIF_TU
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[7]
R6402
2.2K
TU_N_TW
+1.23V_D_Demod_TU
TU_+1.8V_TU
FE_DEMOD1_TS_SYNC
/S2_RESET_TU
/TU_RESET1_TU
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_ERROR
RF_SWITCH_CTL_TU
FE_LNA_Ctrl1
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_DATA[5]
IF_AGC_TU
CN_RESET_TU
C6405
0.1uF
16V
TU_N_TW
FE_LNA_Ctrl2
FE_DEMOD1_TS_DATA[3]
+3.3V_TU
TU_GND_A
+3.3V_TU
TU_GND_A
+3.3V_TU
I2C_SCL6_TU
I2C_SCL4_TU
I2C_SDA6_TU
TU_GND_A
FE_DEMOD1_TS_DATA[4]
TU_GND_A
TU_CVBS_TU
IF_P
IF_N
FE_DEMOD1_TS_DATA[0]
I2C_SDA4_TU
TU_GND_A
FE_DEMOD1_TS_VAL
R6404
0
NON_TU_H
Power_D_Demod_TU
R6401
2.2K
TU_N_TW
C6404
0.1uF
16V
TU_N_TW
1.2V_MHL
R6400
1
TU_H/N/S_T/US
+3.3V_NORMAL
C6402
0.1uF
16V
TU_H/N/S_T/US
C6401
0.1uF
16V
TU_H/N/S_T/US
AR6401
0
1/16W
TU_N_CO_T2
R6407
0
C6406
0.1uF
16V
TU_N_BR
C6403
10uF
10V
TU_H/N/S_T/US
C6407
0.1uF
16V
OPT
C6408
0.1uF
16V
OPT
R6408
0
TU_N_CO_T2
R6409
0
TU_N_CO_T2
R6410
0
TU_N_CO_T2
R6411
0
IC6400
AZ1117BH-1.2TRE1
TU_H/N/S_T/US
GND/ADJ
OUTIN
C6409
0.1uF
16V
OPT
TU6406
TDSQ-H601F(B)
TU_Korea_PIP
1
+B1[+3.3V_S/P]
2
RESET
3
TU_SCL
4
TU_SDA
5
+B2[3.3V_M]
6
S_SIF
7
+B3[1.8V_M]
8
S_CVBS
9
M_IF_AGC
10
M_DIF[P]
11
M_DIF[N]
12
+B4[3.3V_S]
13
+B5[1.8V_S]
14
NC_1
15
GND
16
SD_ERROR
17
SD_SYNC
18
SD_VALID
19
SD_MCLK
20
SD_SERIAL_D0
21
NC_2
22
NC_3
23
NC_4
24
NC_5
25
NC_6
26
NC_7
27
NC_8
28
GND_1
29
GND_2
30
+B6[1.23V_SD]
31
SD_RESET
36
SHIELD
32
+B7[3.3V_SD]
33
NC_9
34
SD_SCL
35
SD_SDA
A1
A1
B1
B1
TU6403
TDSN-B601F(B)
TU_BR
1
RF_S/W_CTL
2
RESET_TUNER
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
RESET_DEMOD
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
DATA
21
NC_4
22
NC_5
23
NC_6
24
NC_7
25
NC_8
26
NC_9
27
NC_10
28
SHIELD
A1
A1
B1
B1
TU6401
TDSN-T701F(B)
Taiwan_high_sensitive
1
RF_S/WCTL
2
RESET
3
SCL
4
SDA
5
B1[+3.3V]
6
SIF
7
B2[1.8V]
8
CVBS
9
IF_AGC
10
DIF[P]
11
DIF[N]
12
NC_1
13
NC_2
14
NC_3
15
GND
16
NC_4
17
NC_5
18
NC_6
19
NC_7
20
NC_8
21
NC_9
22
NC_10
23
NC_11
24
NC_12
25
NC_13
26
NC_14
27
NC_15
A1
59
LNA_CTRL_1
57
LNA_CTRL_2
58
A1
B1SHIELD
B1
TU6405
TDSH-G501D(B)
DVB_H/NIM_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
A1
A1
B1
B1
A2
A2
B2
B2
TU6400
TDSS-H501F(B)
ATSC_H/NIM_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8]
6
NC_2
12
SHIELD
A1
A1
B1
X
TU6400-*1
TDSS-G501D(B)
DVB_H/NIM_H
5
3.3V
11
DLIF_[N]
2
RESET
10
DLIF_[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
1.8V
6
NC_2
12
SHIELD
A1
A1
B1
B1
65
TUNER
2012.03.08
33
TUNER MULTI-OPTION
26
30
2
5
21
27
17
19
13
4
GND seperation for ASIS tuner
23
10
9
18
8
16
11
32
20
3
6
1
7
12
35
24
34
22
14
31
25
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

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