Read LG 47LF7700 Service Manual online
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
D3.3V_DEMOD
D3.3V
+3V3_DEMOD
GND_A
A2.5V_DEMOD
D2.5V_DEMOD
+3V3_DEMOD
+5V
+1V2DT
+3V3DT
+5VTA
+8V
+5V
+3V3_DEMOD
+5V
+12V
+8V
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH POWER [Regulator]
LGE freesat
42_47LF7700
43
50
Tuesday, March 17, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH POWER [Regulator]
LGE freesat
42_47LF7700
43
50
Tuesday, March 17, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH POWER [Regulator]
LGE freesat
42_47LF7700
43
50
Tuesday, March 17, 2009
DVB-T POWER
DVB-S2 Power
C1124
OPEN-105p/16V/1005
C1124
OPEN-105p/16V/1005
TP1125
TP10
TP10
TP1125
TP10
TP10
1
C1160
106p/16V/2012
C1160
106p/16V/2012
C1125
105p/16V/1005
C1125
105p/16V/1005
R1133
103/F/1005
103/F/1005
R1133
103/F/1005
103/F/1005
C1138
226p/6.3V/2012
C1138
226p/6.3V/2012
L1124
BLM18PG300SN1D
BLM18PG300SN1D
L1124
BLM18PG300SN1D
BLM18PG300SN1D
R1121
103/1005
103/1005
R1121
103/1005
103/1005
U1121
LD29150PT/P-PAK 5P
LD29150PT/P-PAK 5P
U1121
LD29150PT/P-PAK 5P
LD29150PT/P-PAK 5P
/INH
1
VIN
2
GND
3
VOUT
4
ADJ
5
GND
6
C1139
104p/16V/1005
C1139
104p/16V/1005
TP1124
TP10
TP10
TP1124
TP10
TP10
1
C1135
226p/6.3V/2012
C1135
226p/6.3V/2012
C1127
226p/6.3V/2012
C1127
226p/6.3V/2012
C1158
106p/16V/2012
C1158
106p/16V/2012
C1157
105p/25V
C1157
105p/25V
R1129
753/F/1005
753/F/1005
R1129
753/F/1005
753/F/1005
C1130
104p/16V/1005
C1130
104p/16V/1005
C1133
104p/16V/1005
C1133
104p/16V/1005
TP1128
TP10
TP10
TP1128
TP10
TP10
1
R1124
3092/F/1005
3092/F/1005
R1124
3092/F/1005
3092/F/1005
C1122
226p/6.3V/2012
226p/6.3V/2012
C1122
226p/6.3V/2012
226p/6.3V/2012
TP1123
TP10
TP10
TP1123
TP10
TP10
1
L1125
BLM18PG300SN1D
BLM18PG300SN1D
L1125
BLM18PG300SN1D
BLM18PG300SN1D
C1129
106p/16V/2012
C1129
106p/16V/2012
C1136
104p/16V/1005
C1136
104p/16V/1005
TP1122
TP10
TP10
TP1122
TP10
TP10
1
C1134
101p/50V/1005
C1134
101p/50V/1005
R1130
243/F/1005
243/F/1005
R1130
243/F/1005
243/F/1005
R1128
103/1005
103/1005
R1128
103/1005
103/1005
C1121
106p/16V/2012
C1121
106p/16V/2012
C1165
104p/16V/1005
C1165
104p/16V/1005
TP1121
TP10
TP10
TP1121
TP10
TP10
1
C1159
101p/50V/1005
C1159
101p/50V/1005
TP1131
TP10
TP10
TP1131
TP10
TP10
1
TP1130
TP10
TP10
TP1130
TP10
TP10
1
L1123
BLM18PG300SN1D
BLM18PG300SN1D
L1123
BLM18PG300SN1D
BLM18PG300SN1D
R1122
272/F/1005
R1122
272/F/1005
C1123
104p/16V/1005
C1123
104p/16V/1005
R1126
121/F/1005
121/F/1005
R1126
121/F/1005
121/F/1005
C1126
103p/50V
C1126
103p/50V
L1126
BLM18PG300SN1D
BLM18PG300SN1D
L1126
BLM18PG300SN1D
BLM18PG300SN1D
C1156
OPEN-104p/16V/1005
C1156
OPEN-104p/16V/1005
R1131
104/1005
104/1005
R1131
104/1005
104/1005
R1127
201/F/1005
201/F/1005
R1127
201/F/1005
201/F/1005
TP1129
TP10
TP10
TP1129
TP10
TP10
1
C1137
104p/16V/1005
C1137
104p/16V/1005
R1123
132/F/1005
R1123
132/F/1005
U1125
LD1117AL-1.2/SOT-223
LD1117AL-1.2/SOT-223
U1125
LD1117AL-1.2/SOT-223
LD1117AL-1.2/SOT-223
ADJ
1
TAP
4
VIN
3
VO
2
C1128
226p/6.3V/2012
226p/6.3V/2012
C1128
226p/6.3V/2012
226p/6.3V/2012
U1126
RT9018B25PSP
RT9018B25PSP
U1126
RT9018B25PSP
RT9018B25PSP
EN
2
VDD
4
VIN
3
NC
5
PGOOD
1
VOUT
6
ADJ
7
GND
8
TAP
9
R1125
103/F/1005
103/F/1005
R1125
103/F/1005
103/F/1005
C1131
OPEN-105p/16V/1005
C1131
OPEN-105p/16V/1005
TP1127
TP10
TP10
TP1127
TP10
TP10
1
U1124
LD1117AL-ADJ
LD1117AL-ADJ
U1124
LD1117AL-ADJ
LD1117AL-ADJ
ADJ
1
TAP
4
VIN
3
VO
2
TP1126
TP10
TP10
TP1126
TP10
TP10
1
U1122
RT9183H-PM5
RT9183H-PM5
U1122
RT9183H-PM5
RT9183H-PM5
VI
2
VO
4
GND
3
SEN
5
SD
1
GND
6
U1123
LD29150PT/P-PAK 5P
LD29150PT/P-PAK 5P
U1123
LD29150PT/P-PAK 5P
LD29150PT/P-PAK 5P
/INH
1
VIN
2
GND
3
VOUT
4
ADJ
5
GND
6
C1132
106p/16V/2012
C1132
106p/16V/2012
C1140
106p/16V/2012
C1140
106p/16V/2012
R1132
563/F/1005
563/F/1005
R1132
563/F/1005
563/F/1005
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
+12V
+3V3_DEMOD
+3V3_DEMOD
+5V
LNB_OUT
[45]
I2C2_SCL
[27,46]
LNBP_IRQ
[27]
22K_TONE
[46]
I2C2_SDA
[27,46]
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [LNB IC A8293]
LGE freesat
42_47LF7700
44
50
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [LNB IC A8293]
LGE freesat
42_47LF7700
44
50
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [LNB IC A8293]
LGE freesat
42_47LF7700
44
50
Monday, March 16, 2009
From. CPU
to. TUNER
R1147
OPEN-000/1005
OPEN-000/1005
R1147
OPEN-000/1005
OPEN-000/1005
L1142
CIB21P260NE
L1142
CIB21P260NE
C1143
104p/50V/2012
104p/50V/2012
C1143
104p/50V/2012
104p/50V/2012
C1152
224p/50V/2012
C1152
224p/50V/2012
D1141
SS14
D1141
SS14
C1153
474p/50V/2012
C1153
474p/50V/2012
C1146
OPEN-101p/2012
C1146
OPEN-101p/2012
D1145
US1M
D1145
US1M
R1149
103/1005
R1149
103/1005
C1141
104p/50V/2012
104p/50V/2012
C1141
104p/50V/2012
104p/50V/2012
R1144
OPEN-473/1005
R1144
OPEN-473/1005
R1148
102/6432
R1148
102/6432
C1154
104p/50V/2012
C1154
104p/50V/2012
L1141
SPC12080-330M
L1141
SPC12080-330M
C1150
104p/50V
C1150
104p/50V
R1146
OPEN-300
OPEN-300
R1146
OPEN-300
OPEN-300
C1148
100uF/25V/BXE/S
C1148
100uF/25V/BXE/S
C1151
224p/50V/2012
C1151
224p/50V/2012
C1155
OPEN-474p/2012
C1155
OPEN-474p/2012
D1142
OPEN-SX34
D1142
OPEN-SX34
R1143
OPEN-000/2012
OPEN-000/2012
R1143
OPEN-000/2012
OPEN-000/2012
R1141
OPEN-473/1005
R1141
OPEN-473/1005
C1145
474p/50V/2012
C1145
474p/50V/2012
R1142
220/1005
R1142
220/1005
U1141
A8293SESTR-T
U1141
A8293SESTR-T
BOOST
1
VREG
8
GND
7
NC
6
SDA
9
ADD
10
VCP
2
TCAP
3
FLO
A
T
4
EXTM
5
FLO
A
T
15
GND
14
NC
13
SCL
12
IRQ
11
NC
16
VIN
17
LX
18
GND
19
LNB
20
GND
21
C1142
103p/50V
C1142
103p/50V
R1145
102/1005
R1145
102/1005
D1143
SS14
D1143
SS14
C1144
100uF/35V/SMD/BXE 6.3P
C1144
100uF/35V/SMD/BXE 6.3P
C1147
104p/50V
C1147
104p/50V
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