Read LG 32LH70YD (CHASSIS:LJ91D) Service Manual online
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.
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.
TNER
08.11.14
BRAZIL VENUS
RF_SWITCH
GAIN_SWITCH
TP144
TP125
TP139
TP131
TP117
TP138
TP111
TP110
TP130
SCL0_3.3V
3:T26
TP136
L103
OPT
TP132
TP104
TP150
C106
2200pF
50V
2200pF
50V
TP115
D102
SAM2333
A2[GN]
C
A1[RD]
TP106
TU_SYNC
3:T27
TP121
TP134
TP105
RF_SWITCH
3:T24
TP116
TP128
TU_SCLK
3:T27
GAIN_SWITCH
3:T24
C104
2200pF
50V
2200pF
50V
TP127
D2.5V
TP135
TU_+5.0V
TP133
TP137
TP147
GND
TP141
TP143
C118
22uF
TU_SDATA
3:T27
TU_+5.0V
TU_CVBS_IN
3:T25
TP108
SDA0_3.3V
3:T26
D101
SAM2333
SAM2333
A2[GN]
C
A1[RD]
TP145
TP123
TP146
TP112
Q101
2SA1530A-T112-1R
E
B
C
TP152
TU_SIF
3:T25
TP151
TP124
TP109
TP140
TP114
IC103
FMS6400CS1X
OPT
3
GND
2
ASEL
4
CIN
1
YIN
5
COUT
6
CVOUT
7
VCC
8
YOUT
TUNER_RESETb
3:T26
TP113
TP120
TP107
TU_+5.0V
TP103
D1.2V
TP102
TP142
TP119
TU101
VA1G5BF8005
VA1G5BF8005
14
RSEORF
13
SCL
5
AFT
12
SDA
11
RESET
2
GAIN_SW
10
B4
4
B1
1
RF_SW
17
SRDT
9
B3
8
B2
3
BB
16
SPBVAL
7
VIDEO
6
SIF
15
SBYTE
18
SRCK
19
SHIELD
TP129
C105
10uF 16V
OPT
C109
10uF
16V
C124
0.1uF
16V
0.1uF
16V
C111
47uF
16V
16V
+12V
C127
4.7uF
10V
4.7uF
10V
OPT
TP126
+5V
C125
0.1uF
16V
0.1uF
16V
C102
100uF
16V
IC102
KIA78R05F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
TU_+5.0V
TP118
R
1
0
1
1
0
0
TP122
C126
4.7uF
10V
4.7uF
10V
OPT
IC101
AS7809DTRE1
2
GND
3
OUTPUT
1
INPUT
C130
100uF
16V
16V
C103
0.33uF
0.33uF
16V
C129
100uF
16V
16V
L102
L101
MLB-201209-0120P-N2
L105
L104
L106
L107
MLB-201209-0120P-N2
L108
MLB-201209-0120P-N2
R106
22
R109
22
R107
22
R104
22
R108
22
R105
22
R125
330
R102
82
OPT
C128
0.01uF
0.01uF
R103
0
R110
4.7K
OPT
R111
0
R112
0
C123
0.01uF
C122
0.1uF
R113
0
C120
0.1uF
C119
0.1uF
R115
4.7K
OPT
C117
0.1uF
C116
0.01uF
C115
0.01uF
50V
0.01uF
50V
R116
0
OPT
R117
0
OPT
C113
0.1uF
50V
0.1uF
50V
C112
0.1uF
C108
0.1uF
50V
0.1uF
50V
C107
0.1uF
0.1uF
OPT
R118
56
56
R120
12K
R119
56
OPT
R123
0
0
OPT
R124
470
C101
0.1uF
50V
R122
1K
L109
TU102
TDYR-H071F
LGIT
14
B3[3.3V]
13
B2[2.5V]
5
RF_AGC
12
AIF
11
NC_3
2
RF-GAIN_SW
19
RSEORF
18
SCL
10
NC_2
4
VTU
1
CTR
17
SDA
9
VIDEO_OUT
8
SIF
3
B0[+5V]
16
RESET[SYRSTN]
7
NC_1
6
B1[+5V]
15
B4[1.2V]
24
SHIELD
20
SBYTE
21
SPBVAL
22
SRDT
23
SRCK
C104-*1
0.1uF
50V
LGIT
50V
LGIT
C134
0.1uF
50V
0.1uF
50V
LGIT
C272
22pF
50V
22pF
50V
LGIT
C273
22pF
50V
22pF
50V
LGIT
L112
LGIT
TU_+5.0V
C275
22uF
16V
LGIT
C110
22uF
C114
22uF
C121
22uF
C277
100uF
16V
16V
R282 0
LGIT
R280 0 LGIT
R281 0 LGIT
C276
0.1uF
16V
+3.3V
+3.3V
+3.3V
+3.3V
C274
91pF
50V
91pF
50V
OPT
L210
FI-C3216-103KJT
OPT
R121
10K
2 3
Place close to Pin
TUNER
HA JAE MIN
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
Click on the first or last page to see other 32LH70YD (CHASSIS:LJ91D) service manuals if exist.