Dell E228WFP Service Manual page 30

22"LCD Color Monitor
+3.3V_VDD
L301 C302 C303
120 OHM +
C301
0.1uF 16V 0.1uF 16V
22uF/50V
Close to re s pective pow e r Pins
GND
3.3V_AVDD
L303 C317 C318
120 OHM +
C316
0.1uF 16V 0.1uF 16V
22uF/50V
GND
3.3V_LAVDD
L306
120 OHM C326
+
C325
22uF/50V 0.1uF 16V
GND
NC, Reserved 3.3V_DVDD
OPTIONAL
FOR DEBUGGING
PURPOSES ONLY
R327
G-PROBE
NC
CN301
UDART_DO
1
2 UDART_DI
3
GND
NC
+3.3V_VDD
C331
0.1uF 16V
U403
1 8
NC VCC
2 7
NC WC
3 6
NC SCL
4 5
VSS SDA
M24C16
GND
Boot-Strap Configuration:
Nam e 10 KOhm Ope n
ATM EL_EN ATM ELSPI ROM Standard SPI ROM
(PWM 0)
UART_PIN_SEL UART on GPO UART on DDC
(PWM 1)
V_EDID_ATM EL ATM ELSPI ROM Standard SPI ROM
(SPI_CSn)
GPO_0 Ext. ROM JTAG Off
+1.8V_VDD
3.3V_DVDD 3.3V_DDC
R301
10Ω 1/10W
L302
C304 C305 C306 C307 C308 120 OHM
0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
L304
120 OHM
C319
Clos e to re s pective pow e r Pins
22uF/50V
3.3V_PVDD
L305 C324
120 OHM
0.1uF 16V
GND
+5V
3.3V_AVDD
(2) RED+
(2) RED-
(2) GREEN+
(2) GREEN-
C333 ZD301
(2) BLUE+
(2) BLUE-
UDZS5.6B R319
10KΩ 1/10W
U302
(2)
1 3
GND VDD (2)
For -U
2 GND
RESET(RESET)
C329
G691L400T73F
NC R328
NC
For -U
3 GND
(2) DDC_SCL_VGA
GND
(2) DDC_SDA_VGA
(2) DDC_SCL_DVI
R320
(2) DDC_SDA_DVI
1 2 For -U NC
(2)
(2)
(2)
(2)
(2)
R306 R307 R308
(2)
(2)
(2)
R309 100Ω 1/10W /WP
R310 100Ω 1/10W NVRAM_SCL
R311 100Ω 1/10W NVRAM_SDA
/WP
(6) BRIGHTNESS
R324
4.7KΩ 1/10W
Default NC
GND GND
(2) DVI_EDID_WP
Open
3.3V_DVDD
Open
R321
U402
Open NC
1
CE# VDD
2
SO HOLD#
ROM_WP# 3
WP# SCK
4
VSS SI
R322
SST25LF020A-33-4C-SAE
10KΩ 1/10W GND
GND
9/21 m odifie d
3.3V_PVDD
1.8V_AVDD
3.3V_AVDD
C310 C311 C312 C313 C314
+ C309
22uF/50V 0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
GND
1.8V_DVDD
C320 C321 C322 C323
+
0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
GND
C327 33pF50V
3.3V_PVDD
X301 108
XTAL
14.318MHz
109
3.3V_PVDD TCLK
C328 33pF50V
99
RED+
100
RED-
96
GREEN+
97
GREEN-
93
BLUE+
94
BLUE-
89
HS
HSY NC
90
VS VSY NC
RESETn 111
RESETn
63
3.3V_DDC
RVDD_33
64
DDC_SCL_VGA
65
DDC_SDA_VGA
66
HOST_SCL
67
HOST_SDA
72
RX2+
RX2+
73
RX2- RX2-
75
RX1+ RX1+
76
RX1-
RX1-
80
RX0+
RX0+
81
RX0- RX0-
83
RXC+ RXC+
84
RXC- RXC-
3.3V_AVDD
3.3V_DVDD
R302 249Ω 1/10W 69
REXT
C330
R303
0.1uF 16V 52
CRVSS
R326
GND NC GND
(6)
Burst CTRL
119
PWM1 / GPO_5
USB Switch
(4)
50
PWM0 / GP0_4
3.3V_DVDD
UDART_DO 58
GPO_3
R333 NC UDART_DI 57
GPO_2
R332 NC
56
(4) Audio cut-of f GPO_1
51
GPO_0
59
SPI_CSn
R317
R318
R316
+3.3V_VDD 4.7KΩ 1/10W 4.7KΩ 1/10W
NC
8 GND
7 RESETn_1 R329 60
SPI_CLK
6 ROM_SCLK 10KΩ 1/10W GND 61
SPI_DI
5 ROM_SDI 62
SPI_DO
For -U
C332
220nF16V
GND
30
3.3V_LAVDD 3.3V_DVDD 1.8V_DVDD 1.8V_AVDD
R312 4.7KΩ 1/10W
3.3V_DVDD
HDCP_RST
HDCP_RST (2)
120 NVRAM_SCL
GPIO_8
121 NVRAM_SDA
GPIO_9
122
GPIO_10
123
GPIO_11
124 R331 0Ω 1/10W
GPIO_12
125
GPIO_13
126
GPIO_14
M ove ROM _WP# function to GPIO12
3
RESERVED
4
RESERVED
5
RESERVED
6
RESERVED
7 LVDS_E8
E_CH3_P
8 LVDS_E9
E_CH3_N
11 LVDS_E4
E_CH2_P
12 LVDS_E5
E_CH2_N
13 LVDS_E2
E_CH1_P
14 LVDS_E3
E_CH1_N
15 LVDS_E0
E_CH0_P
U401 16 LVDS_E1
E_CH0_N
9 LVDS_E6
E_CLK_P
10 LVDS_E7
E_CLK_N
PQFP128-L23.4W17.4-0.5 LVDS_E[0..9]
19
RESERVED
20
RESERVED
21
RESERVED
22
RESERVED
23
RESERVED
24
RESERVED
27
RESERVED
28
RESERVED
29
RESERVED
30
RESERVED
31 LVDS_O8
O_CH3_P
32 LVDS_O9
O_CH3_N
35 LVDS_O4
O_CH2_P
36 LVDS_O5
O_CH2_N
37 LVDS_O2
O_CH1_P
38 LVDS_O3
O_CH1_N
39 LVDS_O0
O_CH0_P
40 LVDS_O1
O_CH0_N
33 LVDS_O6
O_CLK_P
34 LVDS_O7
O_CLK_N
LVDS_O[0..9]
41
RESERVED
42
RESERVED
43
RESERVED
44
RESERVED
45
RESERVED
46
RESERVED
127 PPWR
PPWR
49 PBIAS
PBIAS
105
VBUFC_RPLL
115
LBADC_IN1
114
LBADC_IN2
113
LBADC_IN3
112
LBADC_VSS
GND
TOP VICTORY ELECTRONICS.CO..LTD
GND
Title
gm5766
Size Document Number
Custom
G2089-1-X-X-1-060905
Date: Thursday , September 21, 2006
Dell E228WFP
3.3V_DVDD
Audio Detect (4)
POWER_ON (4)
ROM_WP#
LED_O (4)
LED_G (4)
LVDS_E[0..9] (5)
LVDS_O[0..9] (5)
PPWR (6)
PBIAS (6)
LBADC1 (4)
LBADC2 (4)
CABLE_DET (2)
Rev
1
Sheet 3 of 6