Samsung 203B - SyncMaster - 20" LCD Monitor Service Manual page 56

9-2 Schematic Diagrams(2)
+1.8V_DVDD
+1.8V_AVDD
+3.3V_DVDD
RED-
XREF
RED+
XREF
GREEN-
XREF
GREEN+
XREF
BLUE-
XREF
BLUE+
XREF
VSYNC
XREF
HSYNC
XREF
RXC-
XREF
RXC+
XREF
RX0-
XREF
RX0+
XREF
RX1-
XREF
RX1+
XREF
+3.3V_AVDD RX2-
XREF
RX2+
XREF
R314
240ohm
SDA_DDC_D
XREF
C308 SCL_DDC_D
XREF
100nF DDC_SDA_VGA
XREF
DDC_SCL_VGA
XREF
DGND
GPO2_RX
GPO3_TX
C322
100nF
16V
1
XREF
2
3 XREF
4
+3.3V_DVDD
+3.3V_DVDD
R300
1/10W
2.2Kohm
C300
10nF
50V
DGND
+3.3VA_RPLL
+5V_IN
C302
C303
10pF R308 R306
10pF
10Kohm 1Kohm
50V
50V
SC
DEFAULT_NET_TYPE
14.31818MHz
X300
+3.3VA_LV
+3.3V_AVDD
+3.3VA_RPLL
102 1
VSSA_ADC AVSS_BIAS
101 2
VDDA_ADC_33 AVDD_OUT_33
100 3
RED- E_R0N/VCLK_IN
99 4
RED+ E_R0P/VHS_IN
98 5
VSSA_ADC E_R1N/VVS_IN
97 6
GRN- E_R1P/VDE_IN
96 7
GRN+ E_R2N/E_CH3P_LV/PD0
95 8
VSSA_ADC E_R2P/E_CH3N_LV/PD1
94 9
BLU- ECLKN/E_CLKP_LV/PD2
93 10
BLU+ ECLKP/E_CLKN_LV/PD3
92 11
VDDA_ADC_33 E_G0N/E_CH2P_LV/PD4
91 12
RVDD_33 E_G0P/E_CH2N_LV/PD5
90 13
VSYNC_IN E_G1N/E_CH1P_LV/PD6
89 14
HSYNC_IN E_G1P/E_CH1N_LV/PD7
88 15
CRVSS E_G2N/E_CH0P_LV/PD8
87 16
CVDD_18 E_G2P/E_CH0N_LV/PD9
86 17
VDD_DVI_18 CVDD_18
85 18
VSSA_DVI CRVSS
84 IC300 19
RXC- E_B0N/PD10/V_FIELD
83 GM5726-LF-AA 20
RXC+ E_B0P/PD11
82 21
VDDA_DVI_33 E_B1N/PD12
81 22
RX0- E_B1P/PD13
80 23
RX0+ E_B2N/PD14
79 24
VSSA_DVI E_B2P/PD15
78 25
VDD_DVI_18 AVDD_OUT_33
77 26
VSSA_DVI AVSS_OUT
76 27
RX1- O_R0N/PD16
75 28
RX1+ O_R0P/PD17
74 29
VDDA_DVI_33 O_R1N/PD18
73 30
RX2- O_R1P/PD19
72 31
RX2+ O_R2N/O_CH3P_LV/PD20
71 32
VSSA_DVI O_R2P/O_CH3N_LV/PD21
70 33
VDD_DVI_18 OCLKN/O_CLKP_LV/PD22
69 34
REXT OCLKP/O_CLKN_LV/PD23
68 35
VSSA_DVI O_G0N/O_CH2P_LV/DEN
67 36
DDC_SDA_DVI/GPIO_19 O_G0P/O_CH2N_LV/DHS
66 37
DDC_SCL_DVI/GPIO_18 O_G1N/O_CH1P_LV/DVS
65 38
DDC_SDA_VGA/GPIO_17 O_G1P/O_CH1N_LV/DCLK
R316
R327
XREF 1
0ohm 4.7Kohm
XREF 1
1/10W
DGND
DELETE
R326
R318 R319 R322
4.7Kohm R320
4.7Kohm 4.7Kohm 4.7Kohm
1/10W
4.7Kohm
+3.3V_VDD
R321
4.7Kohm
DGND DGND
MMBD4148SE
D302
IC301
R324 C310
R323
SST25VF010A-33-4C-SAE
100nF
10Kohm
10Kohm
16V
1 8
CE# VCC
2 7
SO HOLD#
3 6
WP# SCK
4 5
GND SI
1
DGND
R325
4.7Kohm
1/10W
DGND
DGND
+5V_IN
R303
2.2Kohm
DGND
BL_ADJ_PWM
XREF
R330
3Kohm
CN400
C305
SMAW200A-30C
1uF
10V
1
2
3
RXE3+
DGND XREF 4
RXE3-
XREF 5
6
RXEC+
XREF 7
RXEC-
XREF 8
9
RXE2+
XREF
10
RXE2-
XREF
11
12
RXE1+
XREF
RXE1- 13
XREF
XREF 14
RXE3+
15
XREF RXE0+
RXE3-
XREF 16
XREF RXE0-
RXEC+
XREF 17
XREF RXO3+
RXEC-
XREF 18
XREF RXO3-
RXE2+
XREF XREF 19
RXOC+
RXE2-
XREF 20
XREF RXOC-
RXE1+
XREF XREF 21
RXE1-
XREF 22
RXO2+
RXE0+
XREF XREF 23
RXO2-
RXE0-
XREF 24
RXO1+
XREF 25
RXO1-
XREF 26
RXO0+
+5V_PANEL_IN
XREF 27
RXO0-
XREF
28
29
30
C306
C307
100uF
16V 100nF
XREF
RXO3+
XREF
RXO3-
XREF
RXOC+
XREF
RXOC-
XREF DGND
RXO2+
XREF
RXO2-
XREF
RXO1+
XREF
RXO1-
XREF
RXO0+
XREF
RXO0-
+5V_IN
XREF
ANION_EN
R332
100ohm R315
XREF
ANION_EN_LED 10Kohm
R333
SC
0ohm
XREF
BL_EN
C304
1uF
10V
XREF
EDID_PROTECT
XREF
BL_ADJ_ANALOG
205BW OPTION
U651
DGND
3Kohm C312
1uF
10V
DGND
LED_GREEN
KEY2
KEY1
LED_GREEN
KEY2
KEY1
Mendell ANION OPTION
1
2
3
4
C
B
XREF
E
C
B
XREF
E
R505
680ohm
1/10W
NC
GND
RxE3+
RxE3-
GND
RxEC+
RxEC-
GND
RxE2+
RxE2-
GND
RxE1+
RxE1-
GND
RxE0+
RxE0-
RxO3+
RxO3-
RxOC+
RxOC-
+5V_PANEL
GND
+5V_PANEL_IN
RxO2+
RxO2-
RxO1+
RxO1-
S
RxO0+
R301
RxO0- C309 NTR2101P
R302
G
Q301 10Kohm
5V 1uF
100Kohm
D 1/10W
5V 1/10W
5V
R305
10Kohm
1/10W
R304
10Kohm
C 1/10W
XREF
PANEL_EN B
Q302
E
2SC2412K-Q
DGND
DGND
TP1534
1
R214 R210 R211
IC200
15Kohm 15Kohm 15Kohm
1/10W 1/10W 1/10W AT24C08N-10SI-2.7/T.R
R212 8 1
VCC NC
NV_PRT 100ohm 7 2
XREF
/WC NC
6 3
NVRAM_SCL
SCL E2
XREF 5 4
NVRAM_SDA SDA VSS
XREF
R213
100ohm
DGND
+3.3V_VDD
CN201
R203 R204
12507WR-04L
3.3Kohm
3.3Kohm
1/10W 1/10W
LED_G
1
XREF
MGND1
2
KEY4 3
XREF 4
MGND2
KEY3
XREF ZD201
C204 C205 C206
U658
MMQA5V6T3
100nF 10nF 10nF
C2 C3 1
25V 50V 50V
TP305
3 4
A1 A2
2 5
C1 C4
1 6
+3.3V_VDD
CN200
R202 R201
12507WR-04L
3.3Kohm
3.3Kohm
1/10W 1/10W
U654
1
XREF
MGND1
2
KEY2
3
XREF 4
MGND2
KEY1
XREF ZD200
C203 C202 C201
MMQA5V6T3 U653
100nF 10nF 10nF
C2 C3 1
25V 50V 50V U655
3 4
A1 A2
2 5
C1 C4
1 6
5.32V ~ 5.88
9 Schematic Diagrams
8
7
6
5
CN500
1 MGND1
2
3
4
MGND2
XREF
PL_PROTECTION
C311
1uF
10V
DGND
+5V_IN
C210
100nF
1
TP1533
9-3