Dell 2209WA Service Manual page 73

Service Manual
Note:
1. Each bypass capacitor (0.1u/16V) must be respectively
closed to pin that is DC power input of scaler IC.
VCC_3.3V
VDDP_33
Note AVDD_33
FB102
60Ω
C150 +
47u/16V
3 RED+
3 RED-
3 GREEN+
GND
3 GREEN-
R159
3 SOG
VDDC_18 AVDD_18
3 BLUE+
FB105
3 BLUE-
7 VCC_1.8V 3 HSY NC
60Ω
3 VSY NC
3 DDC_SDA_VGA
C142 +
3 DDC_SCL_VGA
47u/16V C143 C144 C145 C146 C147
0.1/16V 0.1/16V 0.1/16V 0.1/16V 0.1/16V
4 RX2+
4 RX2-
4 RX1+
4 RX1-
4 Rx0+
GND
4 RX0-
4 RXC+
4 RXC-
4 DDC_SDA_DVI
4 DDC_SCL_DVI
AVDD_33
VCC_3.3V
R161 VCC_3.3V
10K
C165
0.1/16V
R189 R190
SELECT_KEY R164 0 SELECT 10K/NC 10K GND
R0603 8
7
WP_FW 3
4
+5V_PI
R192
10K
R177 C157 22p/50V
10K +5V_PI
Q107 1 LED_B_EN GND X101
PMBT3906 14.31818MHz
R166 10K
C164 1u/16V
R165 C158 22p/50V
330
R0603
LED_B
+5V_PI
R176
10K
LED_A_EN
Q108 1
PMBT3906
R169 10K
R168
560
R0603
LED_A
CN104
2x4P 2.0mm
1 MENU KEY KEY 1
ADC_KEY1
2 ENTER&PLUS
3 EXIT/MINUS ADC_KEY2
SELECT_KEY
4 SELECT KEY
5 LED BLUE LED_B
6
7 LED AMBER LED_A
KEY 2
8 POWER
To Keypad
Board
GND
72
VCC_3.3V
VDDP_33
AVDD_33 VDDC_18 AVDD_18
28
RIN0P
27 119 R153 1K
RIN0M GPIO_P00/SAR0
25 120 R154 1K
GIN0P GPIO_P01/SAR1
24 121 R155 1K
GIN0M GPIO_P02/SAR2
470 C152 0.047u/16V 26 122
SOGIN0 GPIO_P03/SAR3
23 123
BIN0P GPIO_P06
22 124
BIN0M GPIO_P07
32 2 R157 4.7K
HSY NC0 GPIO_P14/PWM0
33
VSY NC0
34 3
DDCA_SDA/RS232_TX GPIO_P15
35 4 R125 1K
DDCA_SCL/RS232_RX GPIO_P16
36 R160 1K
GPIO_P22/PWM1
9 48
RX2P GPIO_P44
10
RX2N
12 50
RX1P GPIO42
13 51
RX1N GPIO_P24/PWM2
15
RX0P
16 73 R182
100
RX0N GPIO_P04/PWM3
18 109
RXCKP GPIO_P25/PWM3
19 125
RXCKN GPIO_P13/PWM2
5
DDCD_SDA
6 39
DDCD_SCL I2C_MCL/GPIO_P10
38
I2C_MDA/GPIO_P11
R144 7
390 1%
REXT
49 R216 1K
GPIO_P43
31 47
REFP GPIO_P45
C148
46
1u/16V GPIO_P46
30 45
REFM GPIO_P47
U105
TSUMU58EHJ-LF-2/3
U108 100 RXO0-
LVB0M
2 SDO 41 99 RXO0+
VCC SO SDO LVB0P
1 SCZ 42 98 RXO1-
HOLD# CS# CSZ LVB1M
6 SCK 43 97 RXO1+
WP# SCK SCK LVB1P
5 SDI 44 96 RXO2-
GND SI SDI LVB2M
95 RXO2+
LVB2P
PM25LV010A-100SCE
94 RXOC-
LVBCKM
108 93 RXOC+
RST LVBCKP
92 RXO3-
LVB3M
91 RXO3+
LVB3P
R147 0 128 86 RXE0-
XIN LVA0M
85 RXE0+
LVA0P
R146
84 RXE1-
1M LVA1M
127 83 RXE1+
XOUT LVA1P
82 RXE2-
LVA2M
102 81 RXE2+
BY PASS LVA2P
C153 0.1/16V 80 RXEC-
LVACKM
VDDP_33 79 RXEC+
LVACKP
78 RXE3-
LVA3M
R149 10K/NC 37 77 RXE3+
MODE LVA3P
R110 NC
PWR_sav e 8
GND
USB_DET 6
VCC_3.3V
USB_EN 6
R163 10K R162 100
PWR24V_ON 8
VCC_3.3V
R138 R137 C140
4K7 4K7 0.1/16V
U106
8 1
VCC A0
WP_OSD 7 2
WP A1
SCL_OSD R142 100 6 3
SCL A2
SDA_OSD R143 100 5 4
SDA GND
AT24C16BN
GND
R158
R188
7 VLCD
GND
on
off
PWR24V_ON
USB_DET USB_EN
Heigh Low
Low Heigh
Title
scalar
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Date: Wednesday , September 10, 2