LG 42LB65 Series Service Manual page 46

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TU_H_EU
TU6701
TDJH-G101D
B1[+3.3V]
1
NC_1
2
IF_AGC
3
SCL
4
SDA
5
IF[P]
6
IF[N]
7
NC_2
8
NC_3
9
A1 B1
A1 B1
47
SHIELD
+2.5V_NORMAL
TU_W_JP
L6701
BLM18PG121SN1D
+2.5V_DEMOD
C6703
0.1uF
TU_W_JP
TU_H/M_EU/CN
TU_H/M_EU/CN
C6701
C6702
1000pF 1000pF
630V
630V
DVB-T GND
DVB-S JACK GND
TU_M_AJ
TU6702-*2
TDJM-G105D
B1[+3.3V]
1
NC_1
2
AIF_AGC
3
SCL_RF
4
SDA_RF
5
AIF[P]
6
AIF[N]
7
NC_2
8
NC_3
9
NC_4
10
B2[+3.3V]
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.1V]
28
F22_OUTPUT
29
SDA_DEMOD
30
A1 B1
A1 B1
47
SHIELD
TU_M_EU TU_W_JP
TU6702 TU6703
TDJM-G101D TDJW-J201F
B1[+3.3V]
1 1
NC_1
2 2
AIF_AGC
3 3
SCL_RF
4 4
SDA_RF
5 5
AIF[P]
6 6
AIF[N]
7 7
NC_2
8 8
NC_3
9 9
NC_4
10 10
B2[+3.3V]
11 11
ERROR
12 12
GND_1
13 13
MCLK
14
SYNC
15
VALID
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25 25
B3[+3.3V]
26 26
SCL_DEMOD
27 27
B4[+1.1V]
28 28
F22_OUTPUT
29 29
SDA_DEMOD
30 30
LNB
31 31
GND
32
32
33
A1 B1
A1 B1 34
47
35
47 36
37
38
39
40
41
42
43
TU_M_CN
TU6702-*1
TDJM-C301D
44
B1[+3.3V]
1
RF_SW_CTL
2
NC_1
3 45
SCL_RF
4
SDA_RF
5
NC_2
6 46
NC_3
7
SIF
8
CVBS
9
NC_4
10
NC_5
11 A1
ERROR
12 A1 B1
GND_1
13
MCLK
14 47
SYNC
15
VAILD
16
D0
17
D1
18 SHIELD
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
B2[+3.3V]
26
SCL_DEMOD
27
B3[+1.1V]
28
NC_6
29
SDA_DEMOD
30
A1 B1
A1 B1
47
SHIELD
B1[+3.3V]
+3.3V_LNA_TU
NC_1
RF_SWITCH_CTL_TU
NC_2
IF_AGC_TU
SCL_RF
I2C_SCL6_TU
SDA_RF
I2C_SDA6_TU
NC_3
IF_P_TU
NC_4
IF_N_TU
NC_5
TU_SIF_TU
NC_6
TU_CVBS_TU
NC_7
B2[+3.3V]
+3.3V_TU
NC_8
FE_DEMOD1_TS_ERROR
GND_1
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[7]
M_RESET_DEMOD
/TU_RESET1_TU
B3[+3.3V]
+3.3V_DEMOD_TU
SCL_DEMOD
I2C_SCL4_TU
B4[+1.2V]
D_Demod_Core
NC_9
LNB_TX
SDA_DEMOD
I2C_SDA4_TU
LNB
LNB_OUT
GND_2
NC_10
M_ERROR
FE_DEMOD2_TS_ERROR
GND_3
M_SYNC
FE_DEMOD2_TS_SYNC
M_MCLK
FE_DEMOD2_TS_CLK
B5[+2.5V]
+2.5V_DEMOD
M_VALID
FE_DEMOD2_TS_VAL
M_DATA
FE_DEMOD2_TS_DATA
S_ERROR
FE_DEMOD3_TS_ERROR
S_SYNC
FE_DEMOD3_TS_SYNC
S_MCLK
FE_DEMOD3_TS_CLK
S_VALID
FE_DEMOD3_TS_VAL
S_RESET_DEMOD
/TU_RESET2_TU
S_DATA
FE_DEMOD3_TS_DATA
B1
TU_SYMBOL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
26
27
30
31
32
33
34
35
36
40
41
42
43
44
45
46
47
48
49
2012.09.14
LGE Internal Use Only