Samsung LW15M23C Service Manual page 47

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11-2 Video Decoder Schematic Diagram
VSUP3.3DIG
B3.3V
FT108 C127
10uF
SGM32F1E104-2A
1 2
A B
C
C117
3
100nF
VSUP3.3DAC
FT107 C124 C317 C316
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 B 2
A
C
3
VSUP3.3BE
FT105 C122 C319 C318
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1
B 2
A
C
3
VSUP3.3EIO
FT111 C129 C337 C120
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 2
A B
C
3
ADB(0:19)
B3.3V
VSUP3.3FE
FT113 C128 C335 C334
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 A B 2
C
3
VSUP3.3IO
C315
FT106 C123 C314
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 A B 2
C
3
B1.8V
VSUP1.8FE
FT112 C130 C131 C132
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 2
A B
TP171
C
3
VSUP1.8DIG
FT110 C126 C121 C119
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
2
1 B
A
C
3
B5V
VSUP5.0IF
FT109 C125
10uF
SGM32F1E104-2A
1 A 2
B
C C118
3
100nF IF
VSUP5.0BE
FT104 C116 C287 C286
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 2
A B
C
3
ADB(0:19)
DB(0:7)
A3.3V
C801
100nF
50V
MO
LW15M23C
B3.3V
FT801
C831
SGM32F1E104-2A
100nF
1 2
A B
C
3
VCT_R
VCT_G
VCT_B
R895
0
R834
1/16W PSEN
4 3 2 1 32 31 30
200
ADB(7) ADB(14)
5 29
ADB(6) ADB(13)
6 28
ADB(5) ADB(8)
ADB(4) 7 27 ADB(9)
IC803
ADB(3) 8 26 ADB(11)
9 25
ADB(2)
10 24
ADB(1) ADB(10)
EPROMCS
11 23
ADB(0)
0
12 22 R892
13 21
DB(0:7)
DB(7)
14 15 16 17 18 19 20
DB(6)
DB(5)
DB(4)
DB(3)
DB(2)
DB(1)
DB(0)
B5V
R896 R897 C809 C838
L802
1.3K 150 10nF 10uF
560nH
R898
0
Option
C
C812
B Q809
10nF
KSC1623-G IF_A
E
C811
10nF
R899
27
R8100 R8101
68 510
R8102 C846
4.7 10nF
B8V B5V
MMBD4148SE
R835 R858
22 2.7Kohm
C
Q805
B
2SC2412K-Q 1 2
E
3
C817
C813 C814 100nF
C816
R838 R843 R854
0.56nF 0.56nF
0.56nF
33 33 33
50V 50V 50V
E
Q804 0 R851
KSA1182 B
E
C
Q803 0 R841
KSA1182
B
E
C
Q802 0 R837
KSA1182 B
C
10 R833
10 R830
10 R827
R826 R829 R832
270ohm 270ohm 270ohm
25V
C810
4.7uF
100nF
C833
R831 R828
200 200
R839
VSUP3.3BE
VSUP3.3IO
R861 0
R8109 VSUP3.3DAC
EXT_CLK
220 0 R863
1/16W 0 R862
ADB(0:19)
1K R864 R860
ADB(11)
ADB(9)
RA805
ADB(8)
33
ADB(13)
ADB(14)
ADB(17) R868 0
ADB(18)
RA804
ADB(16)
33
R870 0
ADB(15)
R869 0
ADB(12)
RA806
ADB(7)
33
ADB(6)
ADB(5)
ADB(4)
ADB(19)
R874 0
RA807
0
R876
33 0
RDQ_VCTI R875
0
WRQ_VCTI R878
0
R877
ALE
RSTQ
1 108
BOUT RESETQ
2
107
VRD GNDIF
3 106
XREF VSUP5.0IF
1K 4 105
VSUP3.3BE VSUP3.3DIG
5 104
GND GND
6 103
GND GND
7 102
VSUP3.3IO VSUP1.8DIG
8 101
VSUP3.3DAC XTAL1
9 100
GNDDAC XTAL2
10 99
SAFETY P22
11 98
HFLB P23
97
12
HOUT PSENQ
13 96
VPROT IC802 ADB10
0 14 95
ADB11 DB7
15 94
ADB9 DB6
93
16
ADB8 DB5
17 92
ADB13 DB4
18 91
ADB14 DB3
19 90
ADB17 DB2
20 89
PSWEQ DB1
21 88
ADB18 DB0
22 87
ADB16 ADB0
23 86
ADB15 ADB1
24 85
STOPQ ADB2
25 84
ENEQ ADB3
83
26
ADB12 P24/656CLKIO
27 82
ADB7 P25/656HIO
28 81
ADB6 P26/656VIO
80
29
ADB5 P30/656IO0
30 79
ADB4 P31/656IO1
31 78
ADB19 P32/656IO2
32 77
RDQ VSUP3.3EIO
76
33
WRQ GNDEIO
34 75
OCF P33/656IO3
35 74
ALE P34/656IO4
36 73
RSTQ P35/656IO5
SDA_G
SCL_G
B3.3V
9
16V 100uF
11 Schematic Diagrams
SAW FILTER MUST BE AS NEAR AS THE CHIP
B5V
L801
INSTPAR
C802 1 2 C837
100nF 10uF
50V 16V
MO
VCT_RESET
C847
1uF
50V
VSUP5.0IF
50V 22pF C805
VSUP3.3DIG
X800 HC-49/SM5H(20.25MHz)
C804
VSUP1.8DIG
22pF
50V
0 R803 VCT_H
0 R866 VCT_V
0 R865 PSEN ADB(0:19)
33 R809 ADB(10)
DB(0:7)
DB(7)
33 DB(6)
DB(5)
RA801
DB(4)
DB(3)
33
DB(2)
DB(1)
RA802 DB(0)
33
ADB(0)
ADB(1)
RA803 ADB(2)
ADB(3)
RA800
33
DE_00
DE_01
DE_02
DE_03
DE_04
DE_05
DE_06
DE_07
DE_O(0:7)
RA808
33
VSUP3.3EIO
100 R871
SCART_BLIN
COMP_CB
100nF
C820
COMP_Y
100nF
C821
COMP_CR
C819 100nF
NT Only (Com. Noise)
B5V
R808 R802
18K 470
E
1/16W 1/16W
Q801
B
KSA1182
C
C
C800 Q800
B
KSC1623-Y
E
R888 75
SCART_VOUT
R817 R818
R821
150 150
10K
1/16W
1/16W 1/16W
11-3