Samsung LW17N23W Service Manual page 69

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11-5 Schematic Diagram
FORM MICOM
CN_EXPORT
slcon4p
#17 to GND ex2
1
#87 ALE ex1 ex1
2
#50 RESET ex3
3
#RESET IC OUTPUT ex4
4
LW17N23W
5V
2.5V
C302 IC305
100uF AP1117E25A
16V
C303
C304
100uF
100nF
16V
5V
R301
C305 R302
47K
Q301
10uF 3.9K
1/16W
KSC1623-Y
16V 1/16W
C
8.2uH
TTX_CVBS B
C312
C311
R304
R305 16V
E R307 150pF
100 L301
470 100nF
R303 10K 50V
1/16W MO
22K 1/16W 1/16W MO
1/16W
R306
330
1/16W
AGCPU AGCPU AGCPU AGCPU
R_TTX
G_TTX
B_TTX
FB_TTX
R324
1K
1/16W
MCAD(0:7)
MCA(0:19)
DGCPU
3.3V
2.5V C329
100nF
2 4 6 8 2 4 6 8 2 4 6 8 2 4 6
RA302
1 3 5 7 1 3 5 7 1 3 5 7 1 3 5
RA304
BD301 BD302
3.3UH 3.3UH
C308
47uF
C307 RA305
C306 16V
100nF
100uF
MCAD(1)
1
D1
16V
MCAD(4) 2
D4
DGCPU MCAD(2)
3
D2
MCAD(3)
DGCPU DGCPU 4
D3
C310 C309
5
XROM_
100nF 100nF
6
VDD2_5
7
VSS1
8
VDD3_3_1
9
P0_0
10
P0_1
11
P0_2
12
P0_3
13
P0_4
14
IC302
P0_5
15
P0_6
16
SDA5550M
P0_7
17
ENE
T18 ex2
1 18
STOP
R311 10K
SUPLVAL 19
OCF
T19 20
EXTIF_
C313
21
SUPLVAL
CVBS
100nF
22
VDDA2_5
23
VSSA
24
AGCPU P2_0
25
P2_1 VDDA2_5_2
26
P2_2
27
P2_3
28
R315 1.5K NC_1
TTX_H 29
HS
R316 1.5K
30
TTX_V
VS
D301 2.5V 1 2
D303
3
KDS184
D302
DGCPU
R317 1K
R318 1K
1
R319
1K
T38
SUPLVAL
R323 R322 R321 R320 DGCPU
2.4K
4.7K 4.7K 4.7K
1/16W
1/16W 1/16W 1/16W
C314
470nF
16V
MO
D304
G02
DGCPU
R326 100
R327 100
R328 100
R329 100
DGROM
DG03
DGCPU
MCAD(0:7)
DGCPU
MCA(0:19)
4 3 2 1 32 31 30
1D 1C 1B 1A 2F 2E 2D
MCA(7)
2C
MCA(6) 1E 29
5
2B
1F
MCA(5) 6 28
1G 2A
MCA(4) 27
7 IC301
1Z
MCA(3) 8 1H 26
1Y
MCA(2) 1I
9 25
MCA(7) MCA(1) 1J 1X
10 24
RA301
1W
8 MCA(0) 11 1K 23
1V
MCAD(0) 1L MCAD(7)
12 22
RA303 1M 1U
13 21
7
1N 1O 1P 1Q 1R 1S 1T
14 15 16 17 18 19 20
T57
1
SUPLVAL
ex1
80
FL_RST
79
A7 RA307
MCA(13)
A13 78
MCA(12)
77
A12
76 MCA(14) DGCPU
A14
VDD3_3_3 75
C327
100nF
VSS3 74
73
VDD2_5_2
72
FL_PGM
MCA(15)
A15 71
70 MCA(17)
A17
69 MCA(16)
A16
MCA(18)
A18 68
67 MCA(19)
A19
66
NC6 RA309
65
RD
WR 64
63
NC4
62
P1_7
61
NC5
60
BLANK
59 2.5V
B C326
58
G C325
47uF
R 57 100nF
16V
56
AGCPU
VSSA1 55
BD303
3.3V
54
NC3
X301 3.3UH
53
XTAL1
52
XTAL2
C324
51
NC2
20pF AGCPU AGCPU
R353
C323
ex3
75 R352 R354
20pF
AGCPU
4.7K 100
1/16W 1/16W
IC303
T39
KIA7029F
SUPLVAL
R351 C322
1 ex4 C B A
680 100uF
3 2 1 16V
C320
4.7uF
R350 25V
0 D305
C321
3.3V 1/16W
100nF
DGCPU
RA310
RESET_5550
SUPLECODE
2 6
4 8
1 3 5 7
T43
1/16W
SUPLVAL 1
TX1
T25
1/16W
SUPLVAL 1 RX1
T32 R348
100 1/16W
1/16W SUPLVAL
1
T31
1/16W
SUPLVAL 1
R349
100 1/16W
IC304
AT24C02N-10SC
DGEPR DGMUX
DG01
G6425
DG02 AGCPU
11 Schematic Diagrams
3.3V
C328
100nF
MCA(14)
MCA(13) DGCPU
MCA(8)
MCA(9)
MCA(11)
MCA(10)
R310
0
DGCPU
SCL
SDA
3.3V
SDA
SCL
C318 C319
22uF 100nF
16V 16V
MO
11-9