Schematic Diagrams - Samsung LA22N21B Service Manual

11 Schematic Diagrams

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11-1 VIDEO DECORDER ADC, SWITCH Schematic Diagram
A5V
FT101
SGM32F1E104-2A
1 2
A B
C
C191
3
10uF
PLL_3.3V
IC104
ADP3330ART-3.3
1 6
A F
C192
C193 R191 R192
100uF 2 5
B E
100nF 100K 330K
$V 3 4
C D
C195
1nF
A3.3V A3.3V
2 4 6 8 2 4 6 8
BD101
BLM41P600S 2 4 6 8 2 4 6 8
B B
2 2 1 3 5 7 1 3 5 7
BD102 C012 C101 C102 C103 C013 C014 C105
C015
BLM41P600S 100uF 100nF 100nF 100nF 100pF 100nF 100nF 1 3 5 7 1 3 5 7
100uF
A A
1 1
$V
$V $V $V
C106
$V
C016
100nF
PLL_3.3V 4.7nF
21
GND4 GND20
22
VDD2 VDD6
23 IC101
VDD3 VDD5
24
GND5 MST9883A-110 RED0
25
GND6 RED1
C111 C112 26
VD1 RED2
0.39nF 39nF 27
VD2 RED3
28
$V GND7 RED4
29
R101
COAST RED5
30
3.3K HSYNC RED6
31
VSYNC RED7
32
GND8 VDD4
33
FILT GND19
34
PVD1 DATACK
35
PVD2 HSOUT
36
GND9 SOGOUT
37
MIDSCV VSOUT
38
CLAMP GND18
39
VD3 VD10
40
GND10 GND17
100nF
ACTIVECOASTCH1 C113
H_SYNC
V_SYNC R151 10
ODDCLMPCH1
R152 10
GVREFA
100nF
C119
C114
1nF
C120
100nF
C104 C122
100nF 100nF
PC INPUT
R107
R106
R105
C161 C162 C163
100pF 100pF 100pF A5V
50V 50V 50V
FT805
MO MO MO LFB30-3A1E223M
1 2
A B
C
3
Multi Change : 06/02
C125
47uF
16V
A3.3V
TP903
1
Vsync_PC
C171
100pF
74LCX14MX
IC107
TP904
1 1 14
Hsync_PC A IN N
2 13
B IN M
3 12
IN
C L
4 11
D IN K
5 10
E IN J
6
IN F I 9
7 8
G IN H
R133
100
V_SYNC
H_SYNC
R134
100
C173
33pF
50V
MO
LA22N21B
IPDATACH1A(0:23)
2
MDIN150I(7)
100nF 100nF 100nF
MDIN150I(6)
C107 C108 C109
MDIN150I(5)
MDIN150I(4)
80
79
RA107 47
78
IPDATACH1A(0)
C207
77
IPDATACH1A(1) 68nF
76
IPDATACH1A(2)
16V
75 MDIN150I(3)
IPDATACH1A(3)
74 IPDATACH1A(4) C208 MDIN150I(2)
73 MDIN150I(1)
IPDATACH1A(5) 47nF
72 16V MDIN150I(0)
IPDATACH1A(6)
71
IPDATACH1A(7)
C209
70
RA106 47
1.5nF
69
50V
68 IPCLKCH1
67
HSCH1
66
RAWHSCH1
65
64 RA105 0 VSCH1 RA211
$V
63 ODDCLMPCH2
62 XREF
61
3230_HS
3230_VS
Caption_H
TTX_H
R203 22
Caption_V
TTX_V
R204 22
SDA2
$V
$V
SCL2
C031 C032 C033
4.7nF 100pF 100uF
C115
100nF
$V $V $V
C160 C117 C124 C118
100nF 100nF 100nF 100nF
5V
B
2
BD204
BLM41P600S
A
1
C217
100nF
75
75 SOUTH ASIA OPTION
75
R104 R103 R102
470 470 470
$V 1/16W 1/16W 1/16W
$V $V
1 14
C127 R108
1uF 2K
SEL_DTV_PC
C126
10nF
R109 68K
L:COMP, H: PC
R110 C128
470K 470pF
TP765 TP766 TP767
C959 C954 C960 C952 C958 C953 C956 C949 C961 C950 C957 C951
100nF 10uF 100nF 10uF 100nF 10uF 100nF 10uF 100nF 10uF 100nF 10uF
Multi Change : 06/02
3.3V
B
2
MDIN150I(0:15) BD201
BLM41P600S
A
1
C202 C203 C201
68nF 68nF 100uF
16V 16V 16V
2 4 6 8 2 4 6 8
RA201 RA202
C226
1 3 5 7 22 1 3 5 7
22 82pF
$V $V $V
C227
82pF
3230_CLK
C224
82pF
R9200
75
TP209
C205 C206
TP211
1.5nF 47nF
1
2 C7 CLK20
4
6 C6 FFOE
8
RA203 C5 FFRE
IC201
22
C4 FFRSTW
3.3V
VSUPC FFWE
VPC3230D-C5
FFIE
GNDC
B
RA204 2
C3 YCOEQ BD202
BLM41P600S
C2 VGAV A
1
C1 TEST
22
RESQ
C0
R231
R232
100
GNDSY SDA
10K
VSUPSY SCL
TP221
1 INTLC GNDCAP
TP222
1 GNDD
AVO
TP223
1 FSY
VSUPD
TP224
1 MSY
VSUPCAP
TP225
1
VS NC_1 C021
TP226
4.7uF
1 FPDAT ASGF_1 $V
C211 C212 C213 C214
47pF 47pF 47pF 0.33nF VSTBY R2
CLK5 G2
X201
NC_2 B2
HC-49/SM5H(20.25MHz)
C246 220nF
Q1 Q0 XTAL1 R1
XTAL2 C248 220nF
G1
C215 C216 ASGF_2 C251 220nF
B1
4.7pF 4.7pF
C252
0.01nF
C254
0.01nF
C218
100uF
$V
C233
0.01nF
C234
C228
680NF
C219 C221 470pF
C229 R216
47nF 47uF C222
R217
1.5nF 10
470pF C235 10
C223 C232 C236
47uF
220nF 47nF
1.5nF
C225 SDA1
220nF C247
680NF SCL1
9
SC_CVBS
R283 0
SVHS_Y
SVHS_C
C239
100pF
13
C241
100pF
5V
FT103
SGM32F1E104-2A
C130
1
A B 2
1uF
C C131
C129
10nF R127
3 47uF
68K
16V
1/16W
R129
C138
470K
470pF
1/16W
A5V
D102
D103
D104
MMBD4148SE
TP104 TP105 TP106
C140 C141
10uF 10uF
C139 C145
16V 16V
470nF 470nF
TP131
TP133
DVD INPUT
8V
L201
3.3UH
C272 C271
100nF 100uF
8
IC202
TEA6425D
1 20
A
TUNER_CVBS T
C273
10uF R254 10
$V 2 19
SDA3
B S
3 18
C R
R258 10
$V 4 17
SCL3 D Q
5 16
E
P
6 15
VIDEO_CVBS F O
C276 10uF
7 14
G N
8 13
S_VHS_Y H M
C277 10uF
9 12
I L
10 11
S_VHS_C J K
C279 10uF
C269
100nF
C282 9
R282
100pF 4.7K
C258 C259 C238
100uF 100nF 1nF
$V
C261 C262 C263
1nF 0.39nF 220nF
$V
RESET_3230
Multi Change : 06/02
R223 75
R_TTX
R224 75
G_TTX
R225 75
B_TTX
C257
0.01nF
R215 75
FB_TTX
TP121
SEL_DTV_DVD
R141
2K
L:COMP1, H:COMP2
Multi Change : 06/02
TP101
TP102
1 TP103
1 A5V
1
D105
D106
D107
MMBD4148SE
C142 C154 C155 C156
10uF 10uF 10uF 10uF
C157 C158
C148 16V 16V 16V C159 16V
470nF 470nF
470nF 470nF
TP132 TP108 TP109
TP135
DTV INPUT
11 Schematic Diagrams
1
R,G,B Output Signal (#15,19,21) Of
2
R,G,B Output Signal Of
SC_CVBS
SVHS_C
SVHS_Y
TTX_CVBS
R263 R264 R266 R267 8
4.7K 4.7K 4.7K 4.7K
Tuner_CVBS Output
9
Analog Signal (Y,C) to
10
3230 Y,C_OUT (0:7)
12
SVHS_Y,C Input Signal to
13
Output Signal of IC103
14
Input Signal (Y,Pb,Pr)
11-1 11-1