Dell E228WFP, Service Manual

Page: 30 / 82

22"LCD Color Monitor Dell E228WFP
30
3.3V_PVDD
+5V
Burst CTRL
(6)
ATM ELSPI ROM
3.3V_DVDD
DDC_SDA_VGA (2)
Default
LVDS_O[0..9] (5)
3.3V_LAVDD
L304
120 OHM
R328
NC
R307
4.
7K
Ω
1/
10
W
(PWM 0)
UDART_DO
CN301
NC
1
2
3
For -U
3.3V_PVDD
Open
GND
GND
+3.3V_VDD
Standard SPI ROM
3.3V_AVDD
USB Switch
(4)
LVDS_O8
3.3V_AVDD
GREEN+ (2)
C306
0.1uF 16V
GND
ROM_SCLK
Standard SPI ROM
GND
RX2- (2)
LBADC2 (4)
PBIAS
R308
4.
7K
Ω
1/
10
W
C308
0.1uF 16V
C322
0.1uF 16V
R332 NC
1
gm5766
Custom
3 6 Thursday , September 21, 2006
TOP VICTORY ELECTRONICS.CO..LTD
Title
Size Document Number Rev
Date: Sheet of
R321
NC
GND
+3.3V_VDD
UART on DDC
C305
0.1uF 16V
M ove ROM _WP# function to GPIO12
+1.8V_VDD
LVDS_E6
L303
120 OHM
LVDS_E8
LVDS_E1
LVDS_E2
C318
0.1uF 16V
C330
0.1uF 16V
GND
DVI_EDID_WP (2)
HDCP_RST
C328 33pF50V
C327 33pF50V
Open
LBADC1 (4)
1.8V_AVDD
VS (2)
GND
RX2+ (2)
/WP
LVDS_E3
10 KOhm
RX0- (2)
R318
4.7K Ω 1/10W
R3
2
5
NC
Audio Detect(4)
C329
NC
Audio cut-of f (4)
C331
0.1uF 16V
C324
0.1uF 16V
+
C316
22uF/50V
3.3V_PVDD
ZD301
UDZS5.6B
3.3V_LAVDD
R326
NC
V_EDID_ATM EL
R312 4.7K Ω 1/10W
DDC_SDA_DVI (2)
G-PROBE
LVDS_O4
Open
GREEN- (2)
BLUE- (2)
U302
G691L400T73F
1
2
3
GND
RESET(RESET)
VDD
GPO_0
R
315
4.
7K
Ω
1/
10
W
C312
0.1uF 16V
UART on GPO
9/21 m odified
C313
0.1uF 16V
GND
GND
RX0+ (2)
L301
120 OHM
R319
10K Ω 1/10W
GND
R316
4.7K Ω 1/10W
+
C319
22uF/50V
For -U
GND
LVDS_E9
C310
0.1uF 16V
GND
3.3V_PVDD
/WP
UART_PIN_SEL
UDART_DO
R
430
NC
R302 249 Ω 1/10W
GND
3.3V_DDC
LVDS_O5
R327
NC
R320
NC
GND
RX1+ (2)
R333 NC
For -U
LED_G (4)
LVDS_O2
C307
0.1uF 16V
OPTIONAL
FOR DEBUGGING
PURPOSES ONLY
PBIAS (6)
2
Open
(SPI_CSn)
1.8V_DVDD
R329
10K Ω 1/10W
U402
SST25LF020A-33-4C-SAE
1
2
3
4 5
6
7
8
CE#
SO
WP#
VSS SI
SCK
HOLD#
VDD
LVDS_E4
LVDS_O[0..9]
C326
0.1uF 16V
R3
23
NC
3.3V_DVDD
R303
4.
7K
Ω
1/
10
W
RXC- (2)
LVDS_O1
+
C325
22uF/50V
R
304
NC
LVDS_O6
GND
3.3V_DVDD
PPWR (6)
NC, Reserved
3.3V_AVDD
LVDS_O9
UDART_DI
ROM_WP#
R324
4.7K Ω 1/10W
GND
UDART_DI
L305
120 OHM
1.8V_DVDD
GND
NVRAM_SDA
R309 100 Ω 1/10W
LVDS_E7
NVRAM_SCL
L302
120 OHM
C320
0.1uF 16V
DDC_SCL_VGA (2)
ROM_SDI
+ C309
22uF/50V
C311
0.1uF 16V
R317
4.
7K
Ω
1/
10
W
+
C301
22uF/50V
POWER_ON (4)
L306
120 OHM
C314
0.1uF 16V
For -U
NVRAM_SDA
LVDS_E[0..9]
ATM EL_EN
GND
X301
14.318MHz
BRIGHTNESS (6)
C332
220nF16V
HS (2)
Ext. ROM JTAG Off
RED- (2)
RESETn_1
ATM ELSPI ROM
3.3V_DDC
BLUE+ (2)
G2089-1-X-X-1-060905
C321
0.1uF 16V
C333
0.
1uF
1
6
V
1
R311 100 Ω 1/10W
U403
M24C16
1
2
3
4 5
6
7
8
NC
NC
NC
VSS SDA
SCL
WC
VCC
3.3V_DVDD
GND
RESETn
U401
PQFP128-L23.4W17.4-0.5
56
49
50
33
34
36
37
38
39
35
29
40
62
60
27
45
41
96
42
119
100
61
12
10
9
8
5
4
3
24
6
7
94
93
52
127
125
124
123
46
44
43
51
28
32
31
30
13
14
15
16
85
19
20
21
22
11
23
99
59
97
10
3
10
4
105
10
6
108
109
11
0
111
89
90
65
64
121
120
122
126
12
8
57
58
63
66
67
69
72
73
75
76
80
81
83
84
10
7
112
113
114
115
1 26 48
17 55 11
8
87
95 98 10
2
91 11
6
53 10
1
92 82 74 2 25 47
68 71 77 79
86 78 70
18 54 88 11
7
GPO_1
PBIAS
PWM0 / GP0_4
O_CLK_P
O_CLK_N
O_CH2_N
O_CH1_P
O_CH1_N
O_CH0_P
O_CH2_P
RESERVED
O_CH0_N
SPI_DO
SPI_CLK
RESERVED
RESERVED
RESERVED
GREEN+
RESERVED
PWM1 / GPO_5
RED-
SPI_DI
E_CH2_N
E_CLK_N
E_CLK_P
E_CH3_N
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
E_CH3_P
BLUE-
BLUE+
CRVSS
PPWR
GPIO_13
GPIO_12
GPIO_11
RESERVED
RESERVED
RESERVED
GPO_0
RESERVED
O_CH3_N
O_CH3_P
RESERVED
E_CH1_P
E_CH1_N
E_CH0_P
E_CH0_N
A
VSS
_D
V
I
RESERVED
RESERVED
RESERVED
RESERVED
E_CH2_P
RESERVED
RED+
SPI_CSn
GREEN-
A
VSS
_AD
C
A
V
D
D_
A
DC_
18
VBUFC_RPLL
V
DD_
RP
L
L_
18
XTAL
TCLK
A
V
DD_
RP
L
L_
33
RESETn
HSYNC
VSYNC
DDC_SDA_VGA
DDC_SCL_VGA
GPIO_9
GPIO_8
GPIO_10
GPIO_14
A
V
D
D
_
BI
AS
_
33
GPO_2
GPO_3
RVDD_33
HOST_SCL
HOST_SDA
REXT
RX2+
RX2-
RX1+
RX1-
RX0+
RX0-
RXC+
RXC-
V
SS_
R
P
LL
LBADC_VSS
LBADC_IN3
LBADC_IN2
LBADC_IN1
A
VSS
_BI
A
S
V
SS_
OU
T
V
SS_
OU
T
CV
DD_
18
CV
DD_
18
CV
DD_
18
CV
DD_
18
A
VSS
_AD
C
A
VSS
_AD
C
A
VSS
_AD
C
RV
DD_
33
LB
A
D
C_
V
DD_
33
RV
DD_
33
A
V
D
D_
A
DC_
33
A
V
D
D_
A
DC_
33
A
V
DD_
DV
I_
33
A
V
DD_
DV
I_
33
VD
D
_
OU
T
_
33
VD
D
_
OU
T
_
33
VD
D
_
OU
T
_
33
A
VSS
_D
V
I
A
VSS
_D
V
I
A
VSS
_D
V
I
A
VSS
_D
V
I
A
V
DD_
DV
I_
18
A
V
DD_
DV
I_
18
A
V
DD_
DV
I_
18
C
R
VSS
C
R
VSS
C
R
VSS
C
R
VSS
R
305
4.
7K
Ω
1/
10
W
3.3V_AVDD
LVDS_O3
C323
0.1uF 16V Close to respective pow er Pins
1.8V_AVDD
LVDS_E5
R310 100 Ω 1/10W
(PWM 1)
GND
RXC+ (2)
NVRAM_SCL
CABLE_DET (2)
R306
4.
7K
Ω
1/
10
W
Boot-Strap Configuration:
RED+ (2)
DDC_SCL_DVI (2)
C303
0.1uF 16V
3.3V_DVDD
LVDS_O0
LVDS_O7
LVDS_E0
Close to respective pow er Pins
R301
10 Ω 1/10W
3
GND
3.3V_DVDD
PPWR
C302
0.1uF 16V
R331 0 Ω 1/10W
R322
10K Ω 1/10W
3.3V_DVDD
LVDS_E[0..9] (5)
ROM_WP#
C317
0.1uF 16V
GND
RX1- (2)
LED_O (4)
HDCP_RST (2)
C304
0.1uF 16V
+3.3V_VDD
3.3V_DVDD
Nam e