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LG 55UB820T Service Manual page 38

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DEV_TDJM_G251D
TU1602
TDJM-G251D
EBL61400503
B1[+3.3V]
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
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
LNB
31
GND_2
32
A1
B1
A1
B1
47
SHIELD
C1603
C1604
C1605
3300pF
3300pF
3300pF
630V
630V
630V
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
DEV_TDJM_H151F
TU1603
TDJM-H151F
EBL61400602
B1[+3.3V]
1
NC_1
2
M_DIF_AGC
3
SCL_RF
4
SDA_RF
5
M_DIF[P]
6
M_DIF[N]
7
S_SIF
8
S_CVBS
9
NC_2
10
B2[+3.3V]
11
S_ERROR
12
GND_1
13
S_MCLK
14
S_SYNC
15
S_VAILD
16
S_DATA
17
NC_3
18
NC_4
19
NC_5
20
NC_6
21
NC_7
22
NC_8
23
NC_9
24
S_RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.1V]
28
NC_10
29
SDA_DEMOD
30
A1
B1
A1
A1
B1
47
SHIELD
C1606
C1601
C1600
C1606-*1
C1602
1000pF
1000pF
1000pF
1000pF
3300pF
C1601-*1
630V
630V
630V
630V
630V
3300pF
630V
TU_GND_B
TU_GND_A
DEV_TDJM-K151F
TU1607
TDJM-K151F
EBL61400802
B1[+3.3V]
1
RF_SW_CTL
2
AIF_AGC
3
SCL_RF
4
SDA_RF
5
AIF[P]
6
AIF[N]
7
NC_1
8
NC_2
9
NC_3
10
NC_4
11
+3.3V_TUNER
ERROR
12
FE_DEMOD1_TS_ERROR_TU
GND
13
MCLK
14
FE_DEMOD1_1_TS_CLK
SYNC
15
FE_DEMOD1_TS_SYNC
VAILD
16
FE_DEMOD1_TS_VAL
D0
17
FE_DEMOD1_1_TS_DATA[0]
D1
18
FE_DEMOD1_TS_DATA[1]
D2
19
FE_DEMOD1_TS_DATA[2]
D3
20
FE_DEMOD1_TS_DATA[3]
D4
21
FE_DEMOD1_TS_DATA[4]
D5
22
FE_DEMOD1_TS_DATA[5]
D6
23
FE_DEMOD1_TS_DATA[6]
D7
24
FE_DEMOD1_TS_DATA[7]
RESET_DEMOD
25
/TU_RESET1_TU
B2[+3.3V]
26
+3.3V_DEMOD_TU
SCL_DEMOD
27
I2C_SCL2_TU
B3[+1.2V]
28
D_Demod_Core
NC_5
29
LNB_TX
SDA_DEMOD
30
I2C_SDA2_TU
LNB_OUT
B1
A1
B1
47
SHIELD
GND_3
for tuner EMS (S4) testing
A1
DEV_TDJH_H251F
TU1604
TDJH-H251F
B1[+3.3V]
1
NC
2
DIF_AGC
3
SCL
4
SDA
5
DIF[P]
6
DIF[N]
7
SIF
8
CVBS
9
A1
B1
A1
B1
47
SHIELD
TU1603-*2
TU1602-*1
TU1603-*1
TDJM-C351D
TDJM-G255D
TDJM-H101F
DEV_TDJM_C351D
DEV_TDJM_G255D
B1[+3.3V]
B1[+3.3V]
DEV_TDJM_H101F
1
1
B1[+3.3V]
1
RF_SW_CTL
NC_1
NC_1
2
2
2
NC_1
NC_2
M_DIF_AGC
3
3
3
SCL_RF
SCL_RF
4
4
SCL_RF
4
SDA_RF
SDA_RF
SDA_RF
5
5
5
NC_2
NC_3
M_DIF[P]
6
6
6
NC_3
NC_4
7
7
M_DIF[N]
7
SIF
SIF
S_SIF
8
8
8
CVBS
CVBS
S_CVBS
9
9
9
NC_4
NC_5
10
10
NC_2
10
NC_5
B2[+3.3V]
B2[+3.3V]
11
11
11
ERROR
ERROR
S_ERROR
12
12
12
GND_1
GND_1
13
13
GND_1
13
MCLK
MCLK
S_MCLK
14
14
14
SYNC
SYNC
S_SYNC
15
15
15
VAILD
VAILD
16
16
S_VALID
16
D0
D0
S_DATA
17
17
17
D1
D1
18
18
NC_3
18
D2
D2
19
19
NC_4
19
D3
D3
NC_5
20
20
20
D4
D4
21
21
NC_6
21
D5
D5
22
22
NC_7
22
D6
D6
NC_8
23
23
23
D7
D7
24
24
NC_9
24
RESET_DEMOD
RESET_DEMOD
25
25
S_RESET_DEMOD
25
B2[+3.3V]
B3[+3.3V]
B3[+3.3V]
26
26
26
SCL_DEMOD
SCL_DEMOD
27
27
SCL_DEMOD
27
B3[+1.1V]
B4[+1.2V]
B4[+1.1V]
28
28
28
NC_6
F22_OUTPUT
NC_10
29
29
29
SDA_DEMOD
SDA_DEMOD
30
30
SDA_DEMOD
30
B1
A1
B1
A1
B1
A1
B1
A1
B1
A1
B1
47
47
47
SHIELD
SHIELD
SHIELD
TU_SYMBOL
DEV_TDJK-T151F
TU1606
TDJK-T151F
EBL61380102
EBL61400002
B[+3.3V]
1
+3.3V_LNA_TU
RF_SW_CTL
2
RF_SWITCH_CTL_TU
IF_AGC
3
IF_AGC_TU
SCL
4
I2C_SCL5_TU
SDA
5
I2C_SDA5_TU
IF[P]
6
IF_P_TU
IF[N]
7
IF_N_TU
NC_1
8
TU_SIF_TU
NC_2
9
TU_CVBS_TU
A1
B1
A1
B1
47
SHIELD
2013-10-28
UB83
16
LGE Internal Use Only

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