Samsung LTP227W Service Manual page 65

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11-4 Schematic Diagram
3.3V
FT406
SGM32F1E104-2A
1 2
A B
C
3
C463 C464 C465 C466 C467 C468 C469 C471 C472 C473
22uF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF
16V
SD(0:31)
IC406
1
VDD1 VSS4 86
SD(0) 2 DQ15 85 SD(15)
DQ0
3
84
VDDQ1 VSSQ8
4 83
SD(1) DQ1 DQ14 SD(14)
SD(2) 5 82 SD(13)
DQ2 DQ13
6 81
VSSQ1 VDDQ8
7 80
SD(3) DQ3 DQ12 SD(12)
SD(4) 8 79 SD(11)
DQ4 DQ11
9
78
VDDQ2 VSSQ7
10 77
SD(5) DQ10 SD(10)
DQ5
11 76
SD(6) DQ6 DQ9 SD(9)
75
12
VSSQ2 VDDQ7
13 74
SD(7) DQ8 SD(8)
DQ7
14 73
N_C1 N_C7
15 72
VDD2 VSS3
71
16
DQMO DQM1
MD_WEN 17 WE_ N_C6 70
18 69
MD_CAS CAS_ N_C5
MD_RAS 19 68 MD_MCLK
RAS_ CLK
67
MD_CSN 20
CS_ CKE
21 66
0 R436 N_C2 A9
SA(11) 22 65
0 R9208 BA0 A8
64
SA(12) 23
BA1 A7
24 63
SA(10) A10 A6
SA(0) 25 62
A0 A5
26 61
SA(1)
A1 A4
27 60
SA(2) A2 A3
28 59
DQM2 DQM3
29 VDD3 VSS2 58
30 N_C3 N_C4 57
31 56
SD(16) DQ16 DQ31 SD(31)
55
32
VSSQ3 VDDQ6
33 54
SD(17) DQ30 SD(30)
DQ17
34 53
SD(18) DQ18 DQ29 SD(29)
35
VDDQ3 VSSQ6
SD(19) 36 DQ28 51 SD(28)
DQ19
37 50
SD(20) DQ20 DQ27 SD(27)
38 49
VSSQ4 VDDQ5
SD(21) 39 DQ26 48 SD(26)
DQ21
40 47
SD(22) DQ25 SD(25)
41 DQ22
VDDQ4 VSSQ5
SD(23) 42 DQ24 45 SD(24)
DQ23
43 44
VSS1
VDD4
SA(0:12)
X401
HC-49/SM5H(27MHz,30ppm)
C491
+3.3V_MD +2.5V_MD1
10pF
C492
10pF
+3.3V_MD
VDD33_10
193
ODDCLMPCH2 FIELDID_IN
194
3230_CLK CLK_IN
195
VSS33_11
196
CLAMP_OUT
197
HCLK
198
VSS25_13
199
TEST_IN0
200
VCLK
201
VDD25_10
202
VSS25_14
203
VDD25_11
204
VSS25_15
205
VDD25_12
206
TEST_IN TEST_IN1
207
NC4
208
RESET_N
RESET_150
209
IRQ
210
TEST_IN2
211
MCLK
212
VSS33_12
213
SDRAM_DATA63
214
SDRAM_DATA62
215 SDRAM_DATA61
216
SDRAM_DATA60
217
SDRAM_DATA59
218
SDRAM_DATA58
219
VDD33_11
220
SDRAM_DATA57
221
SDRAM_DATA56
222
SDRAM_DATA55
223
SDRAM_DATA54
224
VDD25_13
225
SDRAM_DATA53
226
SDRAM_DATA52
227
SDRAM_DATA51
228
SDRAM_DATA50
229
SDRAM_DATA49
230
VSS25_16
231
SDRAM_DATA48
232
SDRAM_DATA47
233
SDRAM_DATA46
234
SDRAM_DATA45
235
SDRAM_DATA44
236
SDRAM_DATA43
237
SDRAM_DATA42
238
SDRAM_DATA41
239
VSS25_17
240
SDRAM_DATA40
241
SDRAM_DATA39
242
SDRAM_DATA38
243
VDD25_14
244
SDRAM_DATA37
245
SDRAM_DATA36
246
SDRAM_DATA35
247
SDRAM_DATA34
248 SDRAM_DATA33
249
SDRAM_DATA32
MD_MCLK R442 22 250
1/16W VSS33_13
251
MD_RAS SDRAM_RAS_N
22
252
MD_CSN SDRAM_CS_N
RA419
253
MD_CAS SDRAM_CLK_OUT
254
MD_WEN VDD33_12
255
SDRAM_CAS_N
256
C497
15pF
SA(0:12)
LTP227W
+3.3V_MD
C474 C475 C476 C045 C046 C047 C048 C049 C051 C052 C053 C054 C055 C056 C057 C058
100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF
2.5V
+2.5V_MD1
C477 C478 C479 C481 C482 C483 C034 C035 C036 C037 C038 C039 C041 C042 C043
22uF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF
1 A B 2
16V
C
FT407
3
SGM32F1E104-2A
2.5V
+2.5V_MD2
SA(9)
SA(8)
SA(7)
SA(6)
SA(5)
SA(4)
SA(3)
C484 C485 C486 C487 C488 C489
22uF 100nF 100nF 100nF 100nF 100nF
1 A B 2
16V
C
FT408
3
SGM32F1E104-2A
+2.5V_MD1 +2.5V_MD2
3.3UH 3.3UH
L401 L402
C432 C433
10uF 10uF
MDIN150I(0:15)
8 6 4 2
3 1
7 5
R447 100
R448 100
G_O_OUT2
G_O_OUT3 128
127
VSS33_7
126
G_O_OUT4
G_O_OUT5 125
G_O_OUT6 124
123
VDD33_6
122
G_O_OUT7
G_O_OUT8 121
120
G_O_OUT9
119
R_E_OUT9
R_E_OUT8 118
117
R_E_OUT7
116
VSS25_9
R_E_OUT6 115
R_E_OUT5 114
113
R_E_OUT4
112
R_E_OUT3
111
R_E_OUT2
110
R_E_OUT1
109
R_E_OUT0
108
R_O_OUT0
107
R_O_OUT1
R_O_OUT2 106
105
R_O_OUT3
104
R_O_OUT4
R_O_OUT5 103
102
R_O_OUT6
101
R_O_OUT7
IC405
100
R_O_OUT8
99
R_O_OUT9
98
B_E_OUT9
MDIN-150 97
B_E_OUT8
96
B_E_OUT7
95
B_E_OUT6
94
B_E_OUT5
B_E_OUT4 93
92
B_E_OUT3
91
B_E_OUT2
90
B_E_OUT1
89
B_E_OUT0
88
VSS25_8
87
B_O_OUT0
B_O_OUT1 86
85
B_O_OUT2
84
B_O_OUT3
83
B_O_OUT4
82
B_O_OUT5
81
B_O_OUT6
80
B_O_OUT7
B_O_OUT8 79
78
B_O_OUT9
77
VDD25_6
VSS25_7 76
75
VDD25_5
74
VDD33_5
VSS33_6 73
72
VSS25_6
71
VDD25_4
70
VSS33_5
69
VDD33_4
68
NC3
67
NC2
66
NC1
65
SD(0:31)
C044
100nF
5V
R901
C908
47K
Q901
10uF
R907 KSC1623-Y
16V
C BD905
3.9K
6425_CVBS B 8.2uH
C909
R903
R904
E R906 150pF
100
R9195 220 10K
33K
R908
0
CAPTION_H
CAPTION_V
D907
BZX84C5V1LT1
R_CAPTION
G_CAPTION
B_CAPTION
FB_CAPTION
R921
1K
IPDATACH2A(0:15)
1/16W
IPDATACH2A(15)
22
RA408 IPDATACH2A(14)
IPDATACH2A(13)
IPDATACH2A(12)
1/16W
22 IPDATACH2A(11)
IPDATACH2A(10)
RA409
IPDATACH2A(9)
IPDATACH2A(8)
R9212
10M
1/16W
C495 C496
820pF 820pF
11
FT409
BLM41P600S
R942 4.7K
D901
MMBD4148SE R911
3
100
1 IC904
2
KIA7042AF-RTF R948
1K
VCC OUT
GND
C943 C944 C932
10uF 1uF
IPDATACH2A(0:15)
1/16W
IPDATACH2A(7)
22
IPDATACH2A(6)
RA416
IPDATACH2A(5)
IPDATACH2A(4)
1/16W
22 IPDATACH2A(3)
IPDATACH2A(2)
RA417
IPDATACH2A(1) A5V
IPDATACH2A(0)
R968
4.7K
D902
MMBD4148SE
3
R912
1
100 IC905
2 KIA7042AF-RTF R975
1K
VCC OUT
GND
C939 C941
10uF 1uF
MCAD(0:7) MCAD(0:7)
MCA(0:19)
3.3V
2.5V C901
100nF
RA901
2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8
RA902
10
10
RA903
1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7
RA904
10
BD903 BD904 10
3.3UH 3.3UH
RA905
C904
C903 C902
10
100nF 100uF
47uF MCAD(1) 1 FL_RST 80
D1
MCAD(4) 2 79
A7 RA906 10
D4
MCAD(2) 3 A13 78
D2
MCAD(3) 4 A12 77
D3
C905 C906 5 76
A14
XROM_
100nF 100nF 6 VDD3_3_3 75
VDD2_5
7 VSS3 74
VSS1
8 73
VDD2_5_2
VDD3_3_1
9 72
P0_0 FL_PGM
10 A15 71
P0_1
11 A17 70
P0_2
12 A16 69
P0_3
13 A18 68
P0_4
14 A19 67
P0_5 IC907
15 66
NC6
P0_6 RA907
16 65
P0_7 SDA5550M RD RD
17 WR 64
C911 ENE WR
18 63
NC4
R905 10K STOP
19 62
100nF OCF P1_7
TP901 20 61
EXTIF_ NC5
C912
SUPLVAL 21 CVBS BLANK 60
100nF 22 59
VDDA2_5 B
23 58
VSSA G
24 R 57
P2_0
25 56
P2_1 VDDA2_5_2
26 55
P2_2 VSSA1
27 NC3 54
P2_3
28 NC_1 XTAL1 53
R913 1.5K 29 52
HS XTAL2
R914 1.5K
30 NC2 51
VS
D906 R928
BZX84C5V1LT1
75
R934
100 1 TP902
SUPLVAL
R985
R916 1K 4.7K
R917 1K
R918 1K
R919 2.4K
R922 R923 R924
Q903
4.7K 4.7K 4.7K R909 KSC1623-Y
C
4.7K
B
E
R932
100
R926 10
R927 10
R935 10
R936 10
A5V
CLOSE TO PIN
X901 C928 C929
C927
HC-49/S-SMD(12MHz,30ppm) 10uF 100nF
IC902
20pF 16V 50V
S3C9428X35-S0T8
MO
C931
1 32
VSS
20pF VDD R943 100
Q1 Q0 2 31
XIN P0_2_SI R944 100
3 30
XOUT P0_3_CLO R945 100
4 29
TEST_VPP
P0_4_AD8 R947 100
5 28
P0_1_SO P0_5_AD9
6 27
P0_0_SCK P0_6_AD10
7 26 R951 100
RESET
P0_7_AD11_PWM0
8 25
P3_0 P3_1
9 24
R956 100 P3_2 P3_3 R957 100
10 23
RESET_150
R958 100 11 P2_0_AD0 P1_0_T0_ZCD R959 100
DVI_EN 22
P2_1_AD1
R961 100 12 P1_1_BUZ R962 100
330nF SW_POWER 21
R963 100 P2_2_AD2 P1_2_INT0 R964 100
13
20
D4_ID 14 P2_3_AD3 P1_3_INT1_PWM1
19 R965 10
P2_4_AD4
15 P2_7_AD7_SCLK R966 10
18
P2_5_AD5 P2_6_AD6_SDAT
16 R967 1K
17
AVSS AVREF
A5V
X902
A5V
C933 HC-49/S-SMD(12MHz,30ppm) R902 C934 C935
20pF IC903
4.7K 10uF 100nF
S3C9428X35-S0T8
16V 50V
1 32
VSS VDD
R998 R999 Q1 Q0
2 31
XIN P0_2_SI
4.7K 4.7K 3 30
C936 XOUT
P0_3_CLO R972 100
20pF 4 29
TEST_VPP P0_4_AD8 R974 100
R973 100
5 28
CH-_OUT R976 100 P0_1_SO P0_5_AD9
6 27
CH+_OUT P0_0_SCK
P0_6_AD10
7 26
RESET P0_7_AD11_PWM0
8 25
P3_0 P3_1
9 24
P3_2
R984 100 P3_3
D4_L2 10 23
P2_0_AD0 P1_0_T0_ZCD
R986 100 11 R987 100
C937 22
D4_L1 R988 100 P2_1_AD1 P1_1_BUZ
330nF 12 21
D4_L3 P2_2_AD2 P1_2_INT0 R992 100
13 20
P2_3_AD3
R993 100 14 P1_3_INT1_PWM1 R994 10
19
AFT P2_4_AD4 P2_7_AD7_SCLK
15 R995 10
18
P2_5_AD5 P2_6_AD6_SDAT
16 17 R996 1K
A5V
AVSS AVREF
R938
R9199
7.5K 1K
1/16W
1/16W
KEY1
11 Schematic Diagrams
MCA(0:19)
3.3V
4 3 2 1 32 31 30
C915
1D 1C 1B 1A 2F 2E 2D MCA(14) C947
MCA(7)
2C 100nF
1E 29 100uF
MCA(6) 5 MCA(13)
2B
MCA(5) 6 1F 28
MCA(8)
1G 2A 27
MCA(4) 7 MCA(9)
IC911 1Z
1H
MCA(3) 8 26 MCA(11)
1Y
MCA(2) 9 1I 25
1J 1X
MCA(7) MCA(1) 10 24 MCA(10)
1W
1K
MCA(0) 11 23
1V
MCAD(0) 1L MCAD(7)
12 22
1M 1U
13 21 R925
1N 1O 1P 1Q 1R 1S 1T 0
14 15 16 17 18 19 20
MCA(13)
MCA(12)
MCA(14)
C916
100nF
MCA(15)
MCA(17)
MCA(16)
MCA(18)
MCA(19)
10
2.5V
C917
C918 47uF
100nF
16V
BD112
X903 3.3UH
C919
20pF
C921
20pF R933
220
RESET_5550
3.3V
C926 C925
22uF 100nF
TP911
SUPLVAL 1
TP912 IIC Trans Line
1
SUPLVAL
TX1
IC915
AT24C02N-10SC
RX1
SEL_DTV_PC
SEL_DTV_DVD
RESET_3230
RESET_AUDIO
ADJ_GAMMA
C942
10uF
3002_MUTE
IDENT_HP
IDENT_PC
ADJ_BRIGHT
C946
SCL4
10uF
SDA4
TEST_IN
MUX_SW
RESET_DNIRTA
DDC_SELECT
RESET_5550
SCL4
SDA4
11-7