Samsung LW17M24C Service Manual page 55

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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 C316
C317
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
A B
C
3
VSUP3.3BE
FT105 C122
C319 C318
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
A B
C
3
VSUP3.3EIO
FT111 C129 C337 C120
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
A B
C
3
B3.3V
VSUP3.3FE
FT113 C128 C335 C334
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1 2
C
3
VSUP3.3IO
C315 C314
C123
FT106
470pF
SGM32F1E104-2A 10uF 1.5nF
50V 50V
1 A 2
B
C
3
B1.8V
VSUP1.8FE
FT112 C130 C131 C132
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1
2
TP171 A B
C
3
VSUP1.8DIG
FT110 C126 C121 C119
10uF 470pF 1.5nF
SGM32F1E104-2A
50V 50V
1
2
C
3
B5V
FT109 C125 VSUP5.0IF
10uF
SGM32F1E104-2A
1 B 2
A
C
C118
3
100nF IF
FT104 C116 C286 VSUP5.0BE
C287
10uF 1.5nF
SGM32F1E104-2A 470pF
50V
1 2 50V
A B
C
3
LW17M24C/LW20M21C
VCT_R
VCT_ G
VCT_B
R834 R831
200 200
B5V
R896 R897 C809 C838
L802
1.3K 150 10nF 10uF
560nH
R898
0
C
C812
Q809
B
10nF
KSC1623-G
IF_A
C811 E
10nF B3.3V
R899
27
R8100 R8101
68 510
R8102 C846
4.7 10nF
A5V
R312
0
C306
10uF
16V
B8V B5V
R835 R858
22 2.7Kohm
C
Q805 B
2SC2412K-Q 1 2
MMBD4148SE
E
3
C817
100nF
C814 C816
R838 C813 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
C833 100nF
R828
200
R839
B5V VSUP3.3BE
VSUP3.3IO
C VSUP3.3DA C
820ohm
Q810 R8109
B
2SC2412K-Q 1/10W 0
R863
0 R862
E R867
0
EXT_CLK
1K R864
R860
R819
150
ADD EXT_CLOCK CIRCUIT
TTX only
FT802
C839
SGM32F1E104-2A
100nF
1 A 2
B
C
3
IC805
AT24C16N-10SI-2.7/TR
1
8
A0 VCC
2 7
A1 WP
3
6
VCTEEPROM_SCL
A2 SCL R8108 100
4
5
VCTEEPROM_SD A
GND SDA
R8019 100
IC300
KIA7042AF-RTF
VCC OUT GM_RESET
C305
GND
1uF
50V
VSUP5.0BE
1
BOUT RESETQ
2
VR D GNDIF
3
XREF VSUP5.0IF
1K 4
VSUP3.3BE VSUP3.3DI G
5
GN D GND
6
GN D GN D
7
VSUP3.3IO VSUP1.8DIG
8
VSUP3.3DAC XTAL1
9
GNDDAC XTAL 2
10
SAFETY P2 2
11
HFLB P2 3
12
HOUT PSENQ
13
VPROT ADB1 0
IC802
0 14
ADB11 DB7
15
ADB9 DB6
16
ADB8 DB5
17
ADB13 DB4
18
ADB14 DB3
19
ADB17 DB2
20
PSWEQ DB1
21
ADB18 DB0
22
ADB16 ADB0
23
ADB1 5 ADB1
24
STOPQ ADB 2
25
ENEQ ADB3
26
ADB1 2 P24/656CLKI O
27
ADB7 P25/656HIO
28
ADB6 P26/656VIO
29
ADB5 P30/656IO0
30
ADB4 P31/656IO1
31
ADB19 P32/656IO2
32
RDQ VSUP3.3EIO
33
WRQ GNDEI O
34
OCF P33/656IO3
35
ALE P34/656IO4
36
RSTQ P35/656IO5
SDA_G
SCL_G
B3.3V
9
16V
11 Schematic Diagrams
SAW FILTER MUST BE AS NEAR AS THE CHI P
B5V
L801
INSTPAR
1 2 C837
C802
100nF 10uF
50V 16V
MO
VCT_RESET
C847
1uF
50V
108
107
VSUP5.0I
106
F
50V 22pF C805
105
VSUP3.3DIG
104 Q1
HC-49/SM5H(20.25MHz)
103
X800
50V
102 C804
VSUP1.8DIG
101 22pF
Q0
100
99 0 R803
VCT_H
98
0 R866
VCT_V
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
RA800
79
33
78
DE_00
77
DE_01
76
DE_02
75
DE_03
74
DE_04
73 DE_05
DE_06
DE_07
DE_O(0:7)
RA808
33
VSUP3.3EIO
SCART_BLIN
100 R871
COMP_CB
C820
100nF
COMP_Y
C821 100nF
COMP_CR
C819 100nF
Europe Option
B5V
R808 R802
18K 470
E
1/16W 1/16W
Q801
B
KSA1182
C
C
C800 Q800
B
KSC1623-Y
E
100uF
R888 62ohm
SCART_VOUT
R817 R818
R821
150 150
10K
1/16W
1/16W 1/16W
11-3