Schematic Diagrams - Samsung 172T Service Manual

9 Schematic Diagrams

9-1 Schematic Diagram
+5V_M
R351 R352
10K
LED_R
LED_G
BRIGHT
*BKLT_EN R353 100
PANEL_EN
R354 100
PLUS_KEY
MINUS_KEY
AUTO_KEY
EXIT
MENU_KEY
+5V
R602 R603 R604
10K 10K 10K
R601
10K
MENU_KEY
PLUS_KEY
MINUS_KEY
EXIT
AUTO_KEY
PWR_SW
LED_R1
LED_G1
C606 C605 C604 C603
100nF 100nF 100nF 100nF
MO17P*/MO17E*
+5V_M DVDD_3.3V
R324
10K
1/16W
DGND
DVDD_3.3V +5V_M
C300 C301
1
100nF 100nF CHK_DSUB
GPO17
2
16V 16V CHK_DVI
RVDD1
3
RESET
100 R393 RVSS1
4
DDC_SCL
GPIO21_IRQn
100 R394
5
DDC_SDA
RESETn
DGND
6 GPIO14_DDC_SCL
RMADDR[0:15] 7
GPIO15_DDC_SDA
8
RMADDR(15) ROM_ADDR15
RMADDR(14) 9 ROM_ADDR14
RMDATAO[0:7]
RMADDR(13) 10 ROM_ADDR13
11
RMADDR(12) ROM_ADDR12
RMADDR(11) 12 ROM_ADDR11
RMADDR(10) 13 ROM_ADDR10
14
RMADDR(9) ROM_ADDR9
RMDATAO(7) RMADDR(8) 15 ROM_ADDR8
RMADDR(7) 16 ROM_ADDR7
17
RMADDR(6) ROM_ADDR6
RMADDR(5) 18 ROM_ADDR5
RMDATAO(6) RMADDR(4) 19 ROM_ADDR4
20
RMDATAO(5) RVDD2
RMDATAO(4) 21 RVSS2
RMDATAO(3) RMADDR(3) 22 ROM_ADDR3
23
RMADDR(2) ROM_ADDR2
RMADDR(15) RMDATAO(2) RMADDR(1) 24
ROM_ADDR1
RMADDR(12) RMDATAO(1) RMADDR(0) 25 ROM_ADDR0
26
CVDD_2_5_1
RMDATA[0:7]
27
CVSS1
RMDATA(7)
28 GPI7_ROM_DATA7
RMDATA(6) 29
IC302 RMDATAO(0) GPI6_ROM_DATA6
RMDATA(5) 30
GPI5_ROM_DATA5
AT27C010-90JC
RMDATA(4)
31 GPI4_ROM_DATA4
RMDATA(3) 32
GPI3_ROM_DATA3
RMDATA(2) 33
GPI2_ROM_DATA2
RMDATA(1)
34 GPI1_ROM_DATA1
RMDATA(0) 35
GPI0_ROM_DATA0
36
ROM_Oen
37 RVDD3
38
10K DGND RVSS3
39
GPIO8_IRQINn
40 GPIO0_PWM0
41
GPIO1_PWM1
42
GPIO2_PWM2
43
GPIO3_TIMER1
44
GPIO4_UART_D1
45
GPIO5_UART_D0
46
GPIO6
47
GPIO7
48 GPIO9_TCON_ROE2
GPIO10_TCON_ROE3
49
50 GPIO11_ROM_WEN
51 GPIO12_NVRAM_SDA
+5V_M
+5V_M
R336 GPIO13_NVRAM_SCL
52
4.7K
1/16W
R329
CN303 IC305
10K
M24C08-WMN1T
slcon4p
1/16W R330
R337
1 1
8 10K
4.7K
2
7 1/16W
1/16W
2 3 R331 100
6
4 R334 100
5
C304
3
100nF
4
DGND
DGND
Function
R605
10K
CN601
slcon12p
R606
1
10K
R607 100 2
R608 100
3
R609 100
4
R610 100
5
R617 100
6
R612 100
7
8
R626 100 9
R627 100 10
11
12
C602 C601 C624 C623
100nF 100nF 100nF 100nF
D602 D603
QZX363C5V6 QZX363C5V6
DGND
AVDD_2.5V DVDD_2.5V AVDD_3.3V
+5V_M
R301
4.7K
R302
820
1/16W
AGND
(1%)
R366
100
IC301
gm5120
*BKLT_EN
BKLT_EN
INVERTER
A_H*V_SYNC
CN102
slcon14p_1
1
*LVDS_EN
2
LVDS_EN
BRIGHT1
3
4
BKLT_EN
5
6
7
+14V_INV
8
9
10
FT101
+5V
BLM41P600S
11
12
C180 C181
13
100uF 100nF
16V 16V
14
2
FT102
BLM41P600S
1
C
B
PGND BRIGHT
R252
E
4.7K
AGND
ER[0:7]
AGND
AVDD_3.3V
C302 C303
5pF,5% 5pF,5%
50V 50V
X301
156
GND1_DC
14.3MHz EG[0:7]
155
VDD1_ADC_2.5
154 Q0 Q1
GND2_ADC
153
VDD2_ADC_2.5
152
TCLK
XTAL 151
AVDD_RPLL 150
149
AVSS_RPLL
VDD_DPLL 148
VSS_DPLL 147
146
AVDD_SDDS
AVSS_SDDS 145
VDD_SDDS 144
VSS_SDDS 143
NC1 142
EB[0:7]
AVDD_DDDS
141
AVSS_DDDS 140
VDD_DDDS 139
VSS_DDDS
138
HSYNC 137 H*V_SYNC
VSYNC 136
A_V_SYNC
CVSS4
135
CVDD_2_5_3 134
CVSS3 133
+5V_M
Rserved
132
Reserved 131
RVSS9 130
R397 R392
RVDD9
129
10K 10K
TCON_ROE 128
TCON_RCLK 127
R396 1 OR[0:7]
GPO7
126 10K
GPO6 125
R365
124
GPO5 10K
AUDIO_POWER_CTL
GPO4 123
122 R398 100
GPO3
121 R395 100
GPO2
AUDIO_CTL
R391 100
120
GPO1 SOG_CTL
119 R364 100
GPO0 OFF_SW
118 R363 75
DCLK_TCON_OCLK DCLK
117 R362 75
DVS_TCON_FSYNC DVS
116 R361 75
DHS_TCON_LP DHS
115 R360 100
DEN_TCON_ECLK DEN
114
PBIAS
113
C359
PPWR C357
2 R357 R359
112
15pF
RVSS8 22pF
470 470
111
RVDD8 50V 50V
OG[0:7]
110
OB(7)
PD47_OB7
109 OB(6)
PD46_OB6
108 OB(5) R358
PD45_OB5 3 C358
4
107
OB(4) 470
PD44_OB4 22pF
106 OB(3)
PD43_OB3 50V
105 OB(2)
PD42_OB2 DGND
OB[0:7]
+5V_SW
IC203
MC74F14D
1 14
IO VCC
2 13
LED_R
O_O I5
RMDATA[0:7]
3 12
LED_R1 RMDATA(4)
I1 O_5 RMDATA(5)
4 11
LED_G RMDATA(6)
O_1 I4
RMDATA(7)
5 10
LED_G1
I2 O_4
RMDATA(0)
6
9 RMDATA(1)
O_2 I3 RMDATA(2)
7
8 RMDATA(3)
*A_H*V_SYNC
GND O_3
C213
100nF
16V
AGND
DVDD_3.3V
R236
1K
R350
15K
BRIGHT1
IC303
R237
10K KIA7029RTF
GND_2
RESET
IN OUT
GND_1
Q201
KSC1623-Y
C350
C351
10uF
100nF
C219
C218
16V
100nF
10uF
C352 C353
16V
16V 10nF 10uF
50V 16V
DGND
CONFIDENTIAL
RA303
120ohm
DER[0:7]
ER(7) DER(7)
ER(6) DER(6)
ER(5) DER(5)
ER(4) DER(4)
ER(3) DER(3)
ER(2) DER(2)
ER(1) DER(1)
ER(0) DER(0)
RA304
120ohm
RA305
120ohm
DEG[0:7]
EG(7) DEG(7)
EG(6) DEG(6)
EG(5) DEG(5)
EG(4) DEG(4)
EG(3) DEG(3)
EG(2) DEG(2)
EG(1) DEG(1)
EG(0) DEG(0)
RA306
120ohm
RA307
120ohm
DEB[0:7]
EB(7) DEB(7)
EB(6) DEB(6)
EB(5) DEB(5)
EB(4) DEB(4)
EB(3) DEB(3)
EB(2) DEB(2)
EB(1) DEB(1)
EB(0) DEB(0)
RA308
120ohm
RA309
120ohm
DOR[0:7]
OR(7) DOR(7)
OR(6) DOR(6)
OR(5) DOR(5)
OR(4) DOR(4)
OR(3) DOR(3)
OR(2) DOR(2)
OR(1) DOR(1)
OR(0) DOR(0)
RA310
120ohm
RA311
120ohm
DOG[0:7]
OG(7) DOG(7)
OG(6) DOG(6)
OG(5) DOG(5)
OG(4) DOG(4)
OG(3) DOG(3)
OG(2) DOG(2)
OG(1) DOG(1)
OG(0) DOG(0)
RA312
120ohm
RA313
120ohm
DOB[0:7]
OB(7) DOB(7)
OB(6) DOB(6)
OB(5) DOB(5)
OB(4) DOB(4)
OB(3) DOB(3)
OB(2) DOB(2)
OB(1) DOB(1)
OB(0) DOB(0)
RA314
120ohm
RA301
68ohm
RMDATAO[0:7]
RMDATAO(4)
RMDATAO(5)
RMDATAO(6)
RMDATAO(7)
RMDATAO(0)
RMDATAO(1)
RMDATAO(2)
RMDATAO(3)
RA302
68ohm
9-1