LG 55LH80YD-AB Service Manual page 43

1
+5V_TUNER
C1007
L1002 0.1uF
MLF1608A2R7J R1001 16V
680 DTV_IF_N
TUNER_SIF_IF_N
C1004
E
R1005
10pF
0 Q1003
50V
ISA1530AC1
B
1/16W
5%
C
+5V_TUNER
C1008
2 OPT
0.1uF
R1007
16V
0
R1014
82
E
R1006
0
ISA1530AC1
B
1/16W
Q1002
5%
C
+5V_TUNER
C1005
0.1uF
R1012
16V
0
C1011
270pF
OPT
L1001
E
MLF1608A2R7J R1002 R1003
680 0
ISA1530AC1
3
B Q1001
TUNER_CVBS_IF_P C1003
C
10pF
+5V_TUNER
50V
C1010
0.1uF
16V
E
R1004
0
ISA1530AC1
B
Q1004
C
+5V_TUNER
4 L1003
C1006 C1009
0.1uF 22uF
16V 16V
AZ1117H-3.3
INPUT ADJ/GND
3 1
2
C1001
0.1uF
16V
OUTPUT IC1001
L1004
IC1002
5
AZ1117H-1.8TRE1(EH13A)
INPUT ADJ/GND
3 1
2
C1002
GND
0.1uF
OUTPUT
16V
C1012
0.1uF
16V
6
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.
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
004:H6
FE_SIF
001:E3
+1.8V_TUNER
L1005
C1020 C1022 C1024 C1025
C1027
10uF 0.1uF 0.1uF 0.1uF
0.1uF
6.3V 16V 16V 16V
FE_VMAIN 16V
001:B4
+3.3V_TUNER
+3.3V_TU_CE
L1006
C1023 C1026 C1028
C1019 C1021
0.1uF 0.1uF 0.1uF
10uF 0.1uF
6.3V 16V 16V 16V 16V
DTV_IF_P
+3.3V_TUNER
C1013 C1015
0.1uF 22uF
16V
16V
POWER
+5.0V For TUNER
+1.8V_TUNER IC1003
P6.0V
BA50BC0WFP-E2
VCC OUT
2 4
C1014
C1016
0.1uF
22uF
16V 16V
C1017 C1018 R1015
CTL GND NC
100uF 0.1uF 1K
16V 16V
HA JAE MIN
E
KCN-ET-0-0098
JK1001
Shield PAL Jack
1
DEVELOPE
2
EAH36618701
+1.8V_TU_CE
004:A2
C1030 C1032
+3.3V_TUNER
0.1uF 0.1uF +3.3V_TU_XE
16V 16V
L1007
+1.8V_TU_XE
+1.8V_TUNER
L1008
OPT
0 R1016
FE_DEMOD_SCL
OPT
FE_DEMOD_SDA
0
R1017
0 R1019
FE_TUNER_SCL
FE_TUNER_SDA
0
R1020
+1.8V_TU_CE
/DEMOD_RESET
001:I5
0
1/16W
5%
2K R1018
LD1001
SAM2333
+5V_TUNER
C1029 C1031 C1033
47uF 0.1uF 0.01uF
16V 16V 50V
EAX60902801(0)_AUS_JUNO_AVBOX_Main
F G
16V
0.1uF
C1058
16V
0.1uF
C1059
16V 16V
0.1uF 0.1uF
C1050 C1055
+3.3V_TU_XE 16V
0.1uF
50V 16V
C1052
1000pF 0.1uF
+1.8V_TU_XE
C1048 R1027 C1061
1%
4.99K
L1011 2%
VDDA_1
1
IN1
2
GND_1
6.8nH 3
IN2
4
IC1005
GND_2
1008CS-821XGLC 5
C1038 0.1uF L1013 EXTCHOKE XC5000
6
GND_3
820nH 2% 7
C1041 0.1uF VDDA_2
8
VDDA_3
C1035 9
120pF
C1042 0.1uF VDDC_1
10
50V
GND_4
11
C1043 0.1uF VDDC_2
12
+3.3V_TU_XE
+1.8V_TU_XE
16V
0.1uF
16V
C1060
C1047
0.1uF
0.1uF
C1053
16V 16V 16V
0.1uF 0.1uF
16V
C1056 C1063
0.1uF
C1049
IF_AGC
TUNER_CVBS_IF_P
TUNER_SIF_IF_N
+3.3V_TU_CE
+1.8V_TU_CE
+3.3V_TU_CE
VSS_1
1
VDD_1
2
VSS_2
3
CLK1
4
DATA1
5
IRQ
IC1004
6
CVDD_1
7 CE6355
VSS_3
8
0 RESET
R1022 9
SLEEP
R1021
10
EAN60223501
STATUS
11
SADD4
12
VDD_2
13
VSS_4
14
SADD3
15
SADD2
16
+1.8V_TU_CE
C1051
0.1uF
16V
R1023
10K
R1025
100K
OPT
C1054
X1001
0.1uF
20.48MHz
16V
C1044 C1046
22pF 22pF
50V 50V
H
16V
0.1uF
C1062
R1029 33
/FE_RESET
+1.8V_TU_XE
+5V_TUNER
+5V_TUNER
C1070
0.1uF
16V
FE_TUNER_SDA
GND_8
36
R1041 0
SDA
35
SCL
34
VDDD_2 R1042 0
33
EXTREF FE_TUNER_SCL
32
C1075
C1074
X1
31 18pF
18pF
GND_7 50V 50V
30
X2
29
ADDRSEL 0
28
DDI2 R1028
27
VDDC_5
26
X1003
DDI1 31.875MHz
25 C1068 GND_2 X-TAL_1
4 1
0.1uF X-TAL_2 GND_1
3 2
+1.8V_TU_XE
L1014
CM2012F2R2KT
C1069
C1065
0.1uF
0.1uF
16V
16V
FE_TS_CLK
33 R1033
FE_TS_DATA
33
R1034
FE_TS_VAL
33
R1032
FE_TS_SYNC
33
R1036
001:I4
MOVAL
48
MOSTRT
47
VSS_9
46
+3.3V_TU_CE
VDD_4
45
+3.3V_TU_CE
SMTEST
44
GPP3
43
R1037 R1039
AGC1
42 1K 1K
IF_AGC
AGC2/GPP2 C1073 C1076
41
+1.8V_TU_CE 0.1uF 0.1uF
VSS_8 16V 16V
40
CVDD_4
39
VSS_7
38
CVDD_3
37
R1030
DATA2/GPP1
36 10K
CLK2/GPP0 R1031
35
+3.3V_TU_CE
10K
RFLEV
34
VDD_3
33
C1066
0.1uF
16V
DTV_IF_N
DTV_IF_P
JUNO-BOX 081226
TUNER 4 10
LGE Internal Use Only