LG 55LV555H, Service Manual

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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.
0 . 1 u F
C111
0
R100
I2CRPT_SCL_3305
M19
TUNER_CVBS
15:B19
0 . 1 u F
16V
C121
OPT
0 . 1 u F C128
22pF
50V
C115
+5V_DEVICE
82
R102
+3.3V_TU
10uF
6.3V
C141
0 . 1 u F
16V
C143
SCL2
9 : A L 1 4 ; 1 5 : C 2 0
1
R117
+3.3V_AVDD_PDMOD
100 R118
IF_P_3305
H12
I2CRPT_SCL_3305
Z22
47pF
50V
C144
+5V_DEVICE
47pF
50V
C145
I2CRPT_SDA_3305
M19
0 . 1 u F
16V
C109
+3.3V
270
R144
47K
R134
IF_N_3305
H13
AZ1117BH-ADJTRE1
IC101
1
ADJ/GND
2
OUTPUT
3
INPUT
47pF
50V
C146
+1.2V_DVDD_PDMOD
O_BRCM_PKT0_DATA
10:M27
TUNER_MAIN_RESET
9 : A J 2 1
TU_SIF
11:B11
I2CRPT_SDA_3305
Z21
IF_AGC_3305
Z21
0 . 1 u F C130
IF_N_3305
Z23
0 . 1 u F
16V
C138
TP_ERR
8 : P 2 0 1/10W
200
5%
R114
470
R130
22
R116
120
R112
ISA1530AC1
Q101
E
B
C
SDA2
9 : A L 1 4 ; 1 5 : C 2 0
220
R128
0 . 1 u F
16V
C127
OPT
4.7K
R139
1/10W
120
5%
R126
+3.3V_AVDD_PDMOD
0 . 1 u F
C108
NFM18PS105R0J
6.3V
C113
OUT IN
GND
0 . 1 u F C104
ISA1530AC1
Q100
E
B
C
O_BRCM_PKT0_CLK 10:M27
27pF
50V
C119
+3.3V_TU
+1.26V_TU
25MHz
X100
0 . 1 u F
16V
C120
1M R125
4.7K
R132
+1.26V_TU
100 R121
IF_P_3305
Z23
C106
OUT IN
GND
LGDT3305
IC102
1
NC_1
2 VINA2
3
VINA1
4
INCAP
5 VSSAAD10A
6
I2CSEL
7 ANTCON
8 VDD_1
9
I2CRPT_SCL
10 I2CRPT_SDA
11
IFOUT
12
RFOUT
13
TPERR
14
VDD33_1
15
TPVALID
16
TPDATA[0]
17
VSS33_1
18
TPDATA[1]
19
TPDATA[2]
20
TPDATA[3]
21
TPDATA[4]
22
TPDATA[5]
23
TPDATA[6]
24
TPDATA[7]
25
TPCLK
26 TPSOP
27 NIRQ
28 SDA
29 VDD33_2
30 SCL
31 VSS_1
32 VDD_2
33
VSS_2
34 VSS33_2
35 PLLAVDD
36 PLLAVSS
37
NRST
38
OPM
39
VDD33_3
40
NC_2
41
VSS33_3
42
XTALI
43
XTALO
44
VSS_3
45
XM
46
VDD_3
47
VSSDAD10
48
VCCAAD10A
O_BRCM_PKT0_SYNC 10:M27
BLM18PG121SN1D
L110
0 . 1 u F
C132
1/10W
200 5%
R136
0
R105
1K R122
0
R110
TU_SIF_INCM
1 1 : E 1 1
+3.3V_DVDD_PDMOD
0 . 1 u F
16V
C129
220
R129
27pF
50V
C122
0 . 1 u F
16V
C105
C107
OUT IN
GND
4.7K
R133
22uF
6.3V
C123
+3.3V_TU
1uF
6.3V
C103
1K
R123
22
R115
0
R103
+5V_DEVICE
22pF
50V
C116
100 R119
IF_AGC_3305
H13
BLM18PG121SN1D
L100
+5V_DEVICE
+3.3V_DVDD_PDMOD
+D_1.2V
0 . 1 u F
16V
C112
0 . 1 u F
16V
C110
BLM18PG121SN1D
L109
10uF
6.3V
C102
OPT
NFM18PS105R0J
6.3V
C160
OUT IN
GND
10uF
C100
OPT
NFM18PS105R0J
6.3V
C150
OUT IN
GND
BLM18PG121SN1D
L101
+3.3V
+3.3V
L103
10uF
6.3V
C101
OPT
0 . 1 u F
16V
C133
+3.3V_AVDD_PDMOD
NFM18PS105R0J
6.3V
C136
OUT IN
GND
+1.2V_DVDD_PDMOD
TDVJ-H131P
TU100
14
3.3V
13
1.2V
5
N.C
12
GND
11
CVBS
2
N.C
10
N.C
4
N.C
1
N.C
17
IF_N
9
S I F
8
N.C
3
+5V
16
IF_AGC
7
SDA
6
SCL
15
RESET
18
I F _ P
SHIELD
19
1 18 Tuner/Demod.
LV555H-UA 2 0 1 0 . 1 2 . 1 0
TPSOP
OPM
VSSAD10
VROA
VOUT = VREF *(1+R2/R1)
60mA
MIN 10ms
VDD
VDD33
RF OUT
PLLAVSS SLIM_SCAN
INCAP
VSS
NRST
ANTCON
TO BCM3549(for IP PPV)
TPDATA[0]
NIRQ
VSS33
TPDATA[5]
IF OUT
TPDATA[1]
XTALI
I2CSEL
TPCLK
I2CRPT_SDA
PLLAVDD
VDD33
MIN 1ms
VDD1.0V
VSS33
c a u t i o n : D e m o d u l a t o r P o w e r S e q u e n c e
nRST
VSSAAD10A
VSS33
I 2 C : 0 x 1 C , 0 x B 2 ( s e l 0 )
MIN 1ms
XM
TPVALID TPDATA[2]
VDD3.3V
CLOSE TO LDO
XTALO
T r a c e a l o n g s i d e T U _ S I F s i g n a l
VDD
VSS
P l a c e T P / r e s i s t o r n e a r T U N E R c o n n e c t o r
TPDATA[7] TPERR TPDATA[4]
VDD33
I2CRPT_SCL
R2
VDD
SDA
R1
VINA2
VINA1
VSS
TPDATA[6]
i n p u t ; D i g i t a l I O
TPDATA[3]
SCL
A p p l i c a t i o n
VCCAAD10A
MIN 1ms
Dmod1.0V B+ BLOCK
CLOSE TO LGDT3305
CLOSE TO LGDT3305
Dmod3.3V B+ BLOCK
CLOSE TO LGDT3305
T u n e r / D e m o d u l a t o r
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