Read LG 47LF7700 Service Manual online
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
GND_A
D3.3V_DEMOD
D2.5V_DEMOD
A2.5V_DEMOD
A1.2V_DEMOD
GND_A
GND_A
A1.2V_DEMOD
A1.2V_DEMOD
A2.5V_DEMOD
A2.5V_DEMOD
A2.5V_DEMOD
A2.5V_DEMOD
A1.2V_DEMOD
A1.2V_DEMOD
A1.2V_DEMOD
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [BCM4505_POWER]
LGE freesat
42_47LF7700
47
50
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [BCM4505_POWER]
LGE freesat
42_47LF7700
47
50
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [BCM4505_POWER]
LGE freesat
42_47LF7700
47
50
Monday, March 16, 2009
C1214
103p/50V/1005
C1214
103p/50V/1005
C1217
104p/16V/1005
C1217
104p/16V/1005
C1201
104p/16V/1005
C1201
104p/16V/1005
C1208
104p/16V/1005
C1208
104p/16V/1005
C1250
104p/16V/1005
C1250
104p/16V/1005
C1248
103p/50V/1005
C1248
103p/50V/1005
BCM4506
Power
Power
U51F
BCM4505KQLEG P20
BCM4505KQLEG P20
<Package>
BCM4506
Power
Power
U51F
BCM4505KQLEG P20
BCM4505KQLEG P20
<Package>
VDDO_3P3
50
VDDC_1P2
45
SDS0_DSEC_AVDD_1P2
44
XTAL_AVDD_1P2
20
XTAL_AVDD_2P5
16
SDS0_AFE_AVDD_1P2
39
TNR1_SHLD
17
TNR0_RF_IF_AVDD_1P2
34
REF_AP_PLL_AVDD_2P5
21
VDDC_1P2
49
VDDC_1P2
53
VDDC_1P2
71
VDDC_1P2
76
VDDC_1P2
79
VDDC_1P2
81
VDDC_1P2
86
VDDC_1P2
88
VDDC_1P2
91
VDDC_1P2
96
VDDC_1P2
114
VDDC_1P2
118
VDDC_1P2
122
VDDO_3P3
57
VDDO_3P3
63
VDDO_3P3
70
VDDO_3P3
80
VDDO_3P3
87
VDDO_3P3
97
VDDO_3P3
104
VDDO_3P3
110
VDDO_3P3
117
REF_AP_PLL_AVDD_2P5
22
REF_AP_PLL_AVDD_2P5
23
SDS0_AFE_AVDD_2P5
41
SDS1_AFE_AVDD_2P5
126
SDS1_AFE_AVDD_1P2
128
SDS1_FSK_AVDD_1P2
123
TNR0_RF_IF_AVDD_2P5
33
TNR0_PLL_AVDD_2P5
26
TNR0_PLL_AVDD_2P5
25
TNR0_REF_AVDD_2P5
24
TNR1_RF_IF_AVDD_1P2
5
TNR1_RF_IF_AVDD_2P5
6
TNR1_PLL_AVDD_2P5
13
TNR1_PLL_AVDD_2P5
14
TNR1_REF_AVDD_2P5
15
HEAT_SINK
129
C1226
102p/50V/1005
C1226
102p/50V/1005
C1225
103p/50V/1005
C1225
103p/50V/1005
C1224
104p/16V/1005
C1224
104p/16V/1005
C1231
103p/50V/1005
C1231
103p/50V/1005
C1206
104p/16V/1005
C1206
104p/16V/1005
C1242
102p/50V/1005
C1242
102p/50V/1005
C1247
104p/16V/1005
C1247
104p/16V/1005
C1227
104p/16V/1005
C1227
104p/16V/1005
C1191
106p/16V/2012
C1191
106p/16V/2012
C1244
104p/16V/1005
C1244
104p/16V/1005
C1233
104p/16V/1005
C1233
104p/16V/1005
C1249
102p/50V/1005
C1249
102p/50V/1005
C1238
103p/50V/1005
C1238
103p/50V/1005
C1219
104p/16V/1005
C1219
104p/16V/1005
C1212
102p/50V/1005
C1212
102p/50V/1005
C1235
104p/16V/1005
C1235
104p/16V/1005
C1239
102p/50V/1005
C1239
102p/50V/1005
C1228
103p/50V/1005
C1228
103p/50V/1005
C1204
104p/16V/1005
C1204
104p/16V/1005
C1213
104p/16V/1005
C1213
104p/16V/1005
C1210
104p/16V/1005
C1210
104p/16V/1005
C1200
106p/16V/2012
C1200
106p/16V/2012
C1243
475p/6.3V/2012
C1243
475p/6.3V/2012
C1215
102p/50V/1005
C1215
102p/50V/1005
C1241
103p/50V/1005
C1241
103p/50V/1005
C1222
103p/50V/1005
C1222
103p/50V/1005
C1237
104p/16V/1005
C1237
104p/16V/1005
C1196
106p/16V/2012
C1196
106p/16V/2012
C1232
102p/50V/1005
C1232
102p/50V/1005
C1198
104p/16V/1005
C1198
104p/16V/1005
C1230
104p/16V/1005
C1230
104p/16V/1005
C1229
102p/50V/1005
C1229
102p/50V/1005
TP1191
TP10
TP10
TP1191
TP10
TP10
1
L1191
BLM21P300SPT
BLM21P300SPT
L1191
BLM21P300SPT
BLM21P300SPT
C1223
102p/50V/1005
C1223
102p/50V/1005
C1221
104p/16V/1005
C1221
104p/16V/1005
C1240
104p/16V/1005
C1240
104p/16V/1005
TP1192
TP10
TP10
TP1192
TP10
TP10
1
C1216
106p/16V/2012
C1216
106p/16V/2012
C1211
103p/50V/1005
C1211
103p/50V/1005
U1191
LD1117AL-1.2/SOT-223
LD1117AL-1.2/SOT-223
U1191
LD1117AL-1.2/SOT-223
LD1117AL-1.2/SOT-223
VIN
3
ADJ
1
VO
2
TAP
4
C1194
104p/16V/1005
C1194
104p/16V/1005
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
+5VTA
+5VTA
+5VTA
+3V3DT
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
RF_CVBS
[9]
SIF
[9]
TUNER0_AGC
[49]
IF0_NARROW-
[49]
IF0_NARROW+
[49]
TUNER0_SCLÂ [49]
TUNER0_SDA
[49]
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [Hybrid Tuner]
LGE freesat
42_47LF7700
48
50
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [Hybrid Tuner]
LGE freesat
42_47LF7700
48
50
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00144MA
1.0
CH [Hybrid Tuner]
LGE freesat
42_47LF7700
48
50
Monday, March 16, 2009
C1277
OPEN-220p/50V/1005
OPEN-220p/50V/1005
C1277
OPEN-220p/50V/1005
OPEN-220p/50V/1005
C1273
OPEN-330p/1005
C1273
OPEN-330p/1005
R1265
331/1005
331/1005
R1265
331/1005
331/1005
C1274
OPEN-330p/1005
OPEN-330p/1005
C1274
OPEN-330p/1005
OPEN-330p/1005
C1267
102p/50V/1005
C1267
102p/50V/1005
C1271
102p/50V/1005
C1271
102p/50V/1005
L1262
BLM18PG300SN1D
BLM18PG300SN1D
L1262
BLM18PG300SN1D
BLM18PG300SN1D
C1276
3R3p/50V/005
3R3p/50V/005
C1276
3R3p/50V/005
3R3p/50V/005
R1282
562/1005
R1282
562/1005
R1270
331/1005
331/1005
R1270
331/1005
331/1005
TP1162
TP06
TP06
TP1162
TP06
TP06
1
R1269
331/1005
331/1005
R1269
331/1005
331/1005
R1283
562/1005
R1283
562/1005
R1267
OPEN-330/1005
OPEN-330/1005
R1267
OPEN-330/1005
OPEN-330/1005
C1275
220p/50V/1005
220p/50V/1005
C1275
220p/50V/1005
220p/50V/1005
C1269
220uF/10V/S
C1269
220uF/10V/S
R1266
000/1005
000/1005
R1266
000/1005
000/1005
RF IN
U1261
FQD1116AME/BH
FQD1116AME/BH
RF IN
U1261
FQD1116AME/BH
FQD1116AME/BH
RF PIN IN/OUT(OPTION)
1
ANT_PWR
2
GND
3
NC
4
RF_
A
GC
5
GND
6
VP_TUN_+5v
7
VT
8
GND
9
NC
10
AS
11
SCL
12
SDA
13
REF
14
IF-AG
C
15
DIF1
16
DIF2
17
WIF O
U
T/NC
18
+5V IF
19
2nd IF SOUND/LOW DIG IF1
20
2nd IF SOUND/LOW DIG IF2
21
NC
22
AS_IF
23
CVBS
24
GND
25
GND
26
GND
27
GND
28
C1270
104p/16V/1005
C1270
104p/16V/1005
Q1265
FDV301N_NL
FDV301N_NL
Q1265
FDV301N_NL
FDV301N_NL
1
3
2
C1266
104p/16V/1005
C1266
104p/16V/1005
R1272
000/1005
R1272
000/1005
L1263
BLM18PG300SN1D
BLM18PG300SN1D
L1263
BLM18PG300SN1D
BLM18PG300SN1D
R1271
OPEN-000/1005
R1271
OPEN-000/1005
R1268
750/F/1005
750/F/1005
R1268
750/F/1005
750/F/1005
Q1266
FDV301N_NL
FDV301N_NL
Q1266
FDV301N_NL
FDV301N_NL
1
3
2
R1273
000/1005
R1273
000/1005
C1268
220uF/10V/S
C1268
220uF/10V/S
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