Read LG 32LH255H (CHASSIS:LA96C) 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.
IF_AGC
+5V_TU
0 . 1 u F
C1021
OPT
3216
10uF
16V
C1028
+1.2V_DVDD_PVSB
FE_SIF
+3.3V_PVSB
47
R1016
OPT
FE_TUNER_SCL
10K
R1008
3216
10uF
16V
C1023
3216
10uF
16V
16V
C1038
0 . 0 1 u F
50V
C1009
0
5%
1/4W
R1034
+1.2V_PVSB
12K
R1007
+3.3V_AVDD_PVSB
6.8uH
L1004
SIFMO
470
R1010
0 . 1 u F
50V
C1007
4.7K
R1013
2.2K
R1004
OPT
VCOMO
0 . 0 4 7 u F
50V
C1012
0 . 1 u F
50V
C1005
10K
R1006
OPT
+3.3V_DVDD_PVSB
4.7K
R1017
+5V_TU
FE_TUNER_SDA
+3.3V_PVSB
0
R1005
+5V_GENERAL
VSB_CTRL
0 . 1 u F
50V
50V
C1020
100uF
16V
OPT
C1002
100uF
16V
C1018
MLB-201209-0120P-N2
OPT
L1000
+3.3V_PVSB
8.2K
OPT
R1015
15K
OPT
R1014
4.7K
OPT
R1001
1K
OPT
R1002
0 . 1 u F
50V
OPT
50V
OPT
C1003
+3.3V_FE
SC156515M-1.8TR
OPT
IC1001
2
VIN
1
EN
3
GND
5
ADJ
4
VO
VSB_RESET
TS_0
0 . 1 u FC1068
1K
R1063
TS_SYNC
25MHz
X1005
22R1077
0 . 1 u F
C1067
0
R1065
OPT
TS_VALID
100
AR1070
+3.3V_DVDD_PVSB
TS_CLK
22 R1078
27pF
C1072
+3.3V_DVDD_PVSB
0
R1073
470
R1069
1/16W
100
AR1079
LD1000
FE_DEMOD_SCL
27pF
C1071
1N4148W
D1000
1M
R1072
FE_DEMOD_SDA
+3.3V_AVDD_PVSB
+3.3V_AVDD_PVSB
1uF
10V
10V
C1073
100
AR1071
OPT
R1076
47K
R1074
0 . 0 1 u F
C1070
OPT
R1075
OPT
R1066
+1.2V_DVDD_PVSB
IF_AGC
IF_N
0 . 0 1 u F
C1069
5.1K
R1068
OPT
1K
R1060
100
R1064
I F _ P
0 . 1 u F
50V
50V
C1026
0 . 1 u F
50V
C1030
0 . 1 u F
50V
C1032
0 . 1 u F
50V
C1033
0 . 1 u F
50V
C1043
0 . 1 u F
50V
50V
C1044
0 . 1 u F
C1066
100
R1061
100
R1062
AS7809DTRE1
IC1003
2
GND
3
OUTPUT
1
INPUT
100uF
16V
C1035
0 . 1 u F
16V
16V
C1037
OPT
0 . 0 1 u F
25V
25V
C1041
0 . 1 u F
16V
C1034
47uF
16V
16V
C1039
PANEL_POWER
KIA78R05F
IC1002
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
0 . 1 u F
C1040
BG2012B800
L1010
100
R1028
OPT
FE_VMAIN
008:D24
0
R1021
0.1uF
50V
C1014
270
R1019
+5V_TU
0
OPT
R1018
270
R1020
+5V_TU
0 . 0 1 u F
25V
C1008
10uF
10V
10V
C1011
22
R1023
22
R1022
0
R1027
0
R1026
27pF
50V
OPT
C1024
27pF
50V
50V
OPT
C1025
100pF
50V
50V
C1017
100pF
50V
C1015
L1012
L1001
82pF
50V
50V
C1004
500
L1005
500
L1003
500
L1007
500
L1008
220uF
16V
16V
C1013
0
OPT
R1031
0
R1033
0
R1032
ISA1530AC1
Q1001
E
B
C
ISA1530AC1
Q1000
Q1000
E
B
C
OPT
R1067
1uF
16V
C1076
20K
R1011
100
R1035
OPT
SC4215ISTRT
IC1000
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
POWER_EN
008:AR30;004:X17;004:AM17
100uF
16V
C1019
+1.2V_PVSB
0 . 1 u F
50V
50V
C1079
10K
R1012
0
R1003
100uF
16V
16V
C1082
0 . 1 u F
16V
C1081
0 . 3 3 u F
16V
C1036
+5V_TU
IF_P
IF_N
LGDT3305
IC1004
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CB3216PA501E
L1219
0 . 1 u F
50V
50V
C2138
100pF
50V
50V
OPT
C1027
20K
R1036
0
OPT
R1009
220uF
16V
16V
C2250
0
L1014
5%
1/10W
0
L1013
5%
1/10W
TS_1
TS_2
TS_3
TS_4
TS_5
TS_6
TS_7
47pF
C1006
270nH
L1002
TDVW-H104P
TU1001
14
NC_3
13
S I F
5
RF_AGC
12
IF_AGC
11
D I F [ - ]
2
NC_2
10
D I F [ + ]
4
+B1[5V]
1
NC_1
9
AS
8
CLOCK
3
GND_1
16
VIDEO
7
DATA
6
GND_2
15
AUDIF
17
SHIELD
2 . 2 u F
25V
25V
C1078
2 . 2 u F
25V
C1077
SIGN273
TS_0
TS_1
TS_2
TS_3
TS_4
TS_5
TS_6
TS_7
VSB +1.0V B+ BLOCK
VSB +3.3V B+ BLOCK
VDD33
VSSAD10
VCCAAD10A
VDD
VSS33
SLIM_SCAN
OPM
VSS
XTALI
TPDATA[1]
TPDATA[2]
TPDATA[3]
TPDATA[4]
TPDATA[5]
TPDATA[6]
TPERR
TPDATA[7]
VDD33
TPVALID
TPDATA[0]
VSS33
VSSAAD10A
IF OUT
I2CRPT_SDA
I2CRPT_SCL
VINA1
I2CSEL
VINA2
RF OUT
VDD
INCAP
ANTCON
VROA
VSS
VDD33
SCL
TPCLK
SDA
VSS33
VDD
PLLAVDD
PLLAVSS
TPSOP
VSS
NIRQ
XM
XTALO
NRST
C l o s e t o t u n e r
( I 2 C C h a n n e l 6 )
V 0 = 0 . 8 ( R 1 + R 2 ) / R 2
R1
R2
M e r c u r y O p t i o n
T u n e r / 3 3 0 5
5 1 4
F M R e j e c t i o n O p t i o n
T h e v a l u e o f c o i l & c a p ’ c o u l d b e c h a n g e d t o o p t i m i z e d e a c h
M S t a r O p t i o n
M S t a r O p t i o n
TUNER 5V
LGDT3305 POWER
TUNER
LGDT3305
37LH250H
0 9 . 0 5 . 1 9
TUNER
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