Schematic Diagrams - Samsung 172N Service Manual

11 Schematic Diagrams

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+13V_IN +5V
C40 C55 R291 R292 R293
100nF 10000nF 1K 1K 1K
CN5
10V 1/16W 1/16W 1/16W
slcon9p
TP319
1 MO
9
8
TP320
1
7
6 +5V
TP321
1
5
TP322
1 SW_REG_ENB
4
R290
TP323
1 1K
3
1/16W R309
TP318
TP317 1 1
ADJ_BL 10K
2 R231
TP336 1
1
C50 1/16W 0
10000nF C
10V
Q4
MO B
2SC2412K-Q
R307
E
10K
+5V +5V_B +5V_M
B
2
FT5
LOW : ON BLM41P600S
IC11 A
1
HIGH : OFF SI9933ADY-T1
1 S1 D1 8
2 7
POWER_OFF G1 D1_1
3 6
S2 D2
4 G2 D2_1 5
C74
1uF
10V R306
10K
1/16W
R312
15K
1/16W
+5V +5V_PANEL +5V_S
1
A
LOW : ON IC9 FT2
SI9933ADY-T1 BLM41P600S
HIGH : OFF
2
B
1 8
S1 D1
PANEL_EN
2 7
G1 D1_1
3 S2 D2 6
SW_REG_EN 4 5
G2 D2_1
C45
10000nF
C75 C76 MO
LOW : ON
1uF 1uF
HIGH : OFF 10V 10V
BD2
1.5uH
+5V_S +3.3V_S
IC1
BA033FP
1 3
IN OUT
BD5
GND
2
1.5uH
C38
100nF
C3 C1 C37 C52
100nF 10000nF
47uF 100uF
16.000
+3.3V_S 3.3VAD
FT11
SGM32F1E104-2A
1 2
A B
C
+3.3V_S
3
3.3VDV
FT9
SGM32F1E104-2A
1 A B 2
C
3
3.3VPO
IC3
MC33375ST-2.5T3
FT6
SGM32F1E104-2A 1
VIN
1 A B 2
2
C
ON_OFF
3
3.3VDPLL
FT7
SGM32F1E104-2A
1 A B 2
C
3
3.3VPLL
FT8
SGM32F1E104-2A
1 2
A B
C
3
NB17A*/NB19A*
CN3
R308
10K
2.5VDD
BL_EN
LOW : ON
HIGH : OFF C47
C26
10000nF
100nF
10V
16V
MO
103
BYPASS
C25 C24 C23 104
NC_15
105
100nF 100nF 100nF C31 NC_16
16V 106
16V 16V 100nF GNDP_8
107
16V VDDP_6
108
NC_17
3.3VDPLL 109
NC_18
110
NC_19
111
VDDC_4
112
GNDC_4
113 GNDP_9
114
VDDP_7
C49
115
C30 DDC2_DAT
10000nF
100nF 116
10V DDC2_CLK
117
16V DDC1_DAT
MO
118
DDC1_CLK
119
DDCROM_CLK
120
DDCROM_DAT
121
RST# HWRESET
122
XIN
123
R260 XOUT
R225 124
AVDD_MPLL
1/16W 4.7K
125
1/16W AVSS_MPLL_2
HSYNC_OUT1 0 126
HSYNC0
127
VSYNC0
VSYNC_OUT
R223 128
NC_20
R280
1/16W
1M
0
1/16W
2
Q0 Q1
X2
HC-49/S-SMD(14.31818MHZ)
C57 C58
15pF
50V 50V
MO MO R233 10
RX2+
R234
10
RX2-
R235
10
RX1+ R236 10
RX1- R237
10
RX0+
R238 10
RX0-
R239 10
RXC+
R240
10
RXC-
+5V
C80
100nF
16V
C81
100nF
16V
+5V
C82
100nF
16V
R297
R296
10K 10K
R226
SW_REG_ENB
0 1/16W
C
SW_REG_EN B Q1
2SC2412K-Q
R295
E
10K
MMBD4148SE
+5V
D12
D10
+5V
2.5VDD
D13
D11
A 1
FT1
BLM41P600S
2
B
D6
3 1
VOUT MMBD4148SE
TP110
4 D14
GND
C44
D4
10000nF
MO
D7
D5
DVI-D'SUB
CN2
tpcon32p_1
+5V_PANEL
FT12
1.5uH
slcon30p FT13
1.5uH
C69
C2 C77
470nF
10nF 100uF 16V
MO
+5V_B
R305
Parallel Communication
10K
R228
WR Serial Communicatiom
0
RD
ALE
3.3VPO
VDDC_2 64
C21 C20 C19 C18 C17 C16 C15
GNDC_2 63
100nF 100nF 100nF 100nF 100nF 100nF 100nF
62
GNDP_2 16V 16V 16V 16V 16V 16V 16V
61
VDDP_2
60
RDZ
59 C22
ALE
58 100nF
IC12 VDDC_1
16V
57
GNDC_1
56
000250001 GNDP_1
55
VDDP_1
54
MST9131 AD7 AD7
53
AD6
AD6
52
AD5 AD5
51
AD4 AD4
50
AD3
AD3
49
AD2 AD2
48
AD1 AD1
47
AD0 AD0
46
NC_9
45
PWM1
44
PWM0
43
INT
HCLK
42
SCL
41 HDATA
SDA
40
CS HFS
39
AVSS_3
3.3VAD 3.3VPLL
C56 C29 C28
C78 C14 10000nF 100nF 100nF
R294
10uF 100nF 10V
16V 16V C27
390ohm MO
16V
1/16W 16V C79 100nF
10uF 16V
16V
C35 C12 C34 C11
C36 C13
100nF 100nF 100nF 100nF 100nF 100nF
16V 16V 16V 16V
16V 16V
R187 R184 R186 R185 R183
R177
100 100 100 100 100
100
1/16W 1/16W 1/16W 1/16W 1/16W 1/16W
R220
R222 R221
75
75 75
C61 C60 C59
15pF 15pF 15pF
Not inserted(SOG Only)
50V 50V
50V
D3
MO MO MO
MMBD4148SE
D2
SOG_CSYNC
MMBD4148SE
R224
0
1/16W
D1
MMBD4148SE
IC4
LM1881M
1 8
2 7
R281
3 6
BD9 C10
BD11 BD10 120
0 1/16W 100nF
0
16V 4 5
1/16W 1/16W 0 1/16W
C9
100nF
16V
B_GND B_IN G_GND G_IN R_GND R_IN
DDC_5V DDC_5V
ZD6
C32
BZX84C5V1 R282
100nF
C51
470 R277 R278
1 10000nF 16V
1/16W 47K 47K
10V MO
1/16W 1/16W
FT10 MO
SGM32F1E104-2A
IC6
NM24C02M8
R181
TP2
1
8 100
2 7
1/16W
TP6
3 6
D8 D_DDC_SCL
4
5
D_DDC_SDA
TP5
R182
DDC_IC 100
D9 1/16W
R180
100
1/16W
C73 C71
C72
100pF 0.12nF
R284 100pF
50V 50V 50V
510
MO MO
1/16W MO
BD3
BD4
5V_PC
1
CN4
d_sub15p
4 3
BD12
1.5uH
+5V_M
R303
10K
R203 100
1
100
R219
R189 100
R192 100
R188 100
R283
C53
10000nF 470
10V
MO
R279
C39
HC-49/S-SMD(12MHz,30ppm) 1M
100nF
1/16W
16V
C62
22pF
6 5 4 3 2 1 44 43 42 41 40 R202
5 50V
100
X1
MO
C63 39 1/16W
7 NC2
GND
8 38
22pF OSCO NC1
50V 9 37
OSCI PC6
10 36 R204
MO
P30 PC7
11 IC7 35
P31 PD0
R199 100 12 34 R193
PD1
HDATA P34
R198 100 13 33 R194
HCLK P35 PD2
R218 100 14 NT68F63L 32
CHK_DVI 100 PB3 PD3
R197 15 31
RST# PD4
PB2 30
R191 100 16
KEY2 PB1 PD5
R190 100 17
29
KEY1 PB0 PA0
C46
R205 100
10000nF
POWER_OFF
10V
26 27
18 19 20 21 22 23 24 25 28 R195
MO
R196
C84
R313
SC 47nF R200
47nF,10%,25V,X7R,TP,1608,-
10K R201
25V
C-CERAMIC,CHIP
MO
3.3VDV
+5V_M
C7 C41 C42 C8
C48
100nF 10000nF 10000nF 100nF
10000nF
10V IC5
10V 16V 10V 16V
MO
MO MO MO M24C08-WMN1T
1
C6
C5
2
100nF 100nF
16V 3
16V
4
+13V_IN
+5V_B
R287
100K
1/16W
R288
100K
R286
C64 1/16W
C43 100K
10nF C
10000nF 1/16W
50V
MO B
MO Q2
R299 2SC2412K-Q
E
10K C
1/16W
R289 SOUND_CTRL B Q3
680K 2SC2412K-Q
1/16W
E
+5V_B
C70
10nF
50V
MO
W/O Buffer
C54 1.5uH
10000nF
R230 0
HSYNC_OUT1 MO
R229 0
1 14
With Buffer IO VCC
CN6
13
2 HSYNC_OUT slcon8p
O_O I5 1
12
3
HSYNC_IN
O_5
I1 2
4 11
O_1 I4 3
5 10
HSYNC
VSYNC_IN
I2 O_4 4
6 9
O_2 I3
5
7 8
VSYNC
GND O_3 6
MC74F14D
7
IC8
TP1496
8
BD6
1.5uH
ZD3 ZD2 ZD4 ZD5 ZD1
R285
1.5K
1/16W
1
+5V_M
SW_REG_EN
SOUND_CTRL
SOG_CSYNC
VSYNC
HSYNC
CHK_DSUB
HIGH : ON
LOW : OFF
LED_G
ADJ_BL
1K
PANEL_EN
100 BL_EN
HSYNC_OUT
100
VSYNC_OUT
100 RD
R214
WR
100
R215
R216 100 ALE
HFS
R217 100
100
M_SCL
100
M_SDA
100
DDC_SCL
100
DDC_SDA
100
R213 AD0
R210 100
AD1
R211 100
AD2
R209 100
AD3
R208 100
AD4
R207 100
AD5
R206 100
AD6
R212 100
AD7
8
R178
7
100
M_SCL
6
5
M_SDA
R179
100
IC10
SI9933ADY-T1
M/M Stand Option
1 S1 D1 8
2
7
G1 D1_1
3 6
S2 D2
4 5
G2 D2_1 IC2
CN1
BA033FP
dcjhp_7
1
1 3
IN OUT
R298 3
GND
10K FT3 2 2
1/16W BLM41P600S 1
C33 C4
FT4 470UF
100nF
BLM41P600S 16V
Seperate the Power Plane and Trace for Audio Noise
+5V_M
ZD7
BD13
C83
10nF
50V
MO
1
TP125
TP1495
LED_G
1 TP1494
1 LED_R
TP126
BD8 1.5uH
1 KEY2
TP124
1 BD7 1.5uH KEY1
C68 C65 C66 C67
1
10nF 10nF 10nF 10nF
50V 50V 50V 50V D16 D15
MO MO MO MO
LED_R
R227
0
11-1