Read LG 32LD550 (CHASSIS:LA02B) 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.
09.10
CHB
15 100
GP2_BCM_ATSC
TW9910_DATA[0]
TW9910_DATA[1]
TW9910_DATA[2]
TW9910_DATA[3]
TW9910_DATA[4]
TW9910_DATA[5]
TW9910_DATA[6]
TW9910_DATA[7]
TW9910_DATA[0]
TW9910_DATA[1]
TW9910_DATA[2]
TW9910_DATA[3]
TW9910_DATA[4]
TW9910_DATA[5]
TW9910_DATA[6]
TW9910_DATA[7]
R1504
100
CHB_CLK_OUT
10:C1;F7
C1506
10uF
10uF
10V
CHB_SOP_OUT
10:C1;F7
R1511
1K
+3.3V_CHB
C1504
10uF
10uF
10V
C1522
0.1uF
+1.8V_CHB
+3.3V_CHB
VSB_DATA
E7;E1
VSB_SOP
E7;E1
L1502
BLM18PG121SN1D
TW9910_CLK
F3
CHB_VALID
9:G5;F7
+3.3V_ADC
L1501
BLM18PG121SN1D
+3.3V_VSB
VSB_VALID
E7;E1
+1.8V_ADC
IC1504
LGDT3305
EAN58270401
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
L1503
BLM18PG121SN1D
IC1505
TW9910DANB2-GR
0IPRP00630E
1
VDDE_1
2
SCLK
3
SDAT
4
PDN
5
RSTB
6
TMODE
7
NC_1
8
AVD_1
9
YMUX3
10
YMUX2
11
YGND
12
YMUX1
13
YMUX0
14
AVS_1
15
CIN0
16
AVD_2
17
AVS_2
18
NC_2
19
VSS_1
20
VS
21
HS
22
MPOUT
23
CLKX2
24
VSSE_1
25
VDDE_2
26
VD[15]
27
VD[14]
28
VD[13]
29
VD[12]
30
VD[11]
31
NC_3
32
VDD
33
VD[10]
34
VD[9]
35
VD[8]
36
VD[7]
37
VD[6]
38
VD[5]
39
VD[4]
40
VD[3]
41
VD[2]
42
VSS_2
43
NC_4
44
VD[1]
45
VD[0]/SIAD0
46
VSSE_2
47
XTI
48
XTO
C1550
0.1uF
C1556
0.1uF
C1544
0.1uF
C1543
0.1uF
C1555
0.1uF
C1505
10uF
10uF
10V
C1547
0.1uF
C1536
0.1uF
0.1uF
C1519
0.1uF
C1548
0.1uF
L1511
BLM18PG121SN1D
X1501
27MHz
C1520
0.1uF
R1513
1M
C1531
0.1uF
CVBS_CHB
7:AI7;7:AJ21
C1523
0.1uF
C1510
10uF
10uF
10V
+3.3V_ADC
C1508
0.1uF
0.1uF
SCL2_3.3V
C1524
0.1uF
C1501
10uF
10uF
10V
R1507
0
L1506
BLM18PG121SN1D
R1510
1K
1K
IF_AGC_CHB
7:Y18
R1532
100
R1506
4.7K
IF_N_CHB
7:Y20
C1554
0.1uF
0.1uF
C1514
0.01uF
R1523
22
C1521
0.1uF
R1518
1K
+1.2V_VSB
TW9910_DATA[0-7]
F4
C1529
0.1uF
OPT
R1534
1M
1M
C1509
0.1uF
0.1uF
C1542
22pF
C1535
0.1uF
0.1uF
R1515
100
C1512
0.1uF
0.1uF
C1541
22pF
R1521
22
TW9910_CLK
E5
C1513
0.1uF
0.1uF
C1540
0.1uF
R1505
100
VSB_RESET
9:G4
R1516
1M
1M
+1.8V_ADC
X1502
25MHz
25MHz
C1539
0.1uF
C1534
0.1uF
TW9910_RESET
9:G3
C1538
0.1uF
VSB_CLK
E7;E1
C1537
0.1uF
+1.8V_CHB
C1530
0.1uF
C1528
0.1uF
+3.3V_NORMAL
C1518
0.1uF
R1509
22
OPT
R1503
1K
R1508
22
OPT
X1503
27MHz
27MHz
VSB_VALID
E7;G2
VSB_DATA
E7;G2
VSB_CLK
E7;G2
R1512
5.1K
5.1K
IF_P_CHB
7:Y20
VSB_SOP
E7;G2
C1507
0.1uF
0.1uF
+1.8V_ADC
L1509
BLM18PG121SN1D
SDA2_3.3V
R1533
100
+3.3V_ADC
+3.3V_VSB
SCL2_3.3V
R1524
100
R1525
100
C1551
0.1uF
C1515
0.01uF
TW9910_DATA[0-7]
E6
CHB_DATA_OUT
10:C1;F7
C1527
0.1uF
C1517
0.1uF
C1516
0.1uF
0.1uF
+3.3V_VSB
SDA2_3.3V
L1507
BLM18PG121SN1D
SCL2_3.3V
R1502
100
SDA2_3.3V
CHB_RESET
9:G4
R1501
1K
R1526
0
0
VSB_CLK
E1;G2
VSB_VALID
E1;G2
VSB_SOP
E1;G2
VSB_DATA
E1;G2
CHB_DATA_OUT
10:C1;I3
CHB_VALID
9:G5;I3
CHB_CLK_OUT
10:C1;I3
CHB_SOP_OUT
10:C1;I3
AR1505
0
OPT
AR1506
0
OPT
IC1506
LG1140
EAN60750501
1
VDDIO_1
2
D1_DATA4
3
D1_DATA3
4
D1_DATA2
5
VSSIO_1
6
D1_CLK
7
D1_DATA1
8
VDDCORE_1
9
VSSCORE_1
10
D1_DATA0
11
CI0_CLK
12
CI0_DATA
13
CI0_VALID
14
CI0_SOP
15
VDDIO_2
16
CI1_DATA
17
CI1_VAILD
18
CI1_CLK
19
CI1_SOP
20
SDA0
21
SCL0
22
VDDCORE_2
23
SCK
24
SS
25
VSSIO_2
26
MISO
27
MOSI
28
SPI_MODE[0]
29
VDDIO_3
30
SPI_MODE[1]
31
CTL2/FLAGC
32
VCC_4
33
PA0/INT0#
34
PA1/INT1#
35
VDDCORE_3
36
VSSCORE_2
37
PA4/FIFOADR0
38
TSVO0_CLK
39
VSSIO_3
40
TSVO0_SOP
41
TSVO0_DATA
42
IRQ_CHB_N
43
SPLL_AVSS
44
SPLL_AVDD
45
VDDIO_XTAL
46
XTAL27I
47
XTAL27O
48
VDDCORE_4
49
VSSCORE_3
50
TMOD
51
EXT_RESET_N
52
TRST
53
TCK
54
D1_DATA7
55
D1_DATA6
56
D1_DATA5
+1.8V_TU
+1.2V_VSB
C1511
0.1uF
50V
0.1uF
50V
L1510
BLM18PG121SN1D
L1500
500
C1502
2.2uF
16V
22uF
C1503
+3.3V_TU
C1500
2.2uF
16V
IC7001
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
D7000
100V
MMSD4148T1G
C7015
0.1uF
50V
R7025
39K
1/10W
D7001
100V
MMSD4148T1G
R7004
1
+3.3V_TU
C7021
0.1uF
50V
C7018
0.1uF
0.1uF
50V
+1.8V_TU
D7002
100V
MMSD4148T1G
+3.3V_TU
C7020
100pF
50V
C7012
10uF
10V
L7000
10uH
C7007
10uF
10V
10uF
10V
C7019
0.1uF
50V
C7009
0.1uF
16V
0.1uF
16V
+32V_TU
R7026
220K
1/16W
R7023
10K
1/16W
1%
C1549
30pF
30pF
C1552
30pF
30pF
C1532
30pF
50V
30pF
50V
C1533
30pF
50V
30pF
50V
R1535
100
AR1502
22
AR1501
22
AR1504
22
AR1503
22
IC7002
NCP1406SNT1G
EAN61013901
DEV
3
VDD
2
FB
4
GND
1
CE
5
LX
C1525
27pF
C1526
27pF
IC1500
AZ1117H-1.2TRE1
CHB_1.2_BCD
EAN38974501
ADJ/GND
OUT
IN
IC1500-*1
KIA1112ST
CHB_1.2_KEC
1
GND[ADJ]
2
OUTPUT
3
INPUT
LD1501
SAM2333
A2[RD]
C
A1[GN]
0x1C
0xF2
0x88
Put near to IC1504
Put near to IC900
CHB OPTION
#ALL CHB OPTION#
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