Dell E177FPc Service Manual page 31

17" LCD Color Monitor
VCC1.8 FB401 VDDC
2 VCC1.8
600 OHM
+
C403
10uF/16V
C404 C405 C406
3
3
3
3
3
3
3
3
3
3 DDCA_SDA
3 DDCA_SCL
VCC3.3 FB403 VDDP
2,3 VCC3.3
600 OHM
+
C408
10uF/16V
C409 C410 C411
AVDD
VCC3.3
????
R480
U402 SST25VF010A-20-4C-SA
VCC5
0 NC 8
7
C417 3
LL5232B 5.6V 5% D415 0.1uF/16V 4
C418 +
R478
10uF/16V
R479 10K 1/16W
D414 R404
LL4148 10K 1/16W C421 22pF
14.318MHz
C423 22pF
VCC3.3
U405 MAX810STR (NC)
3 2
VCC RST
VCC3.3
R407
R410
Reset
Circuit
VDVI VMPLL AVDD VDDP
VPLL
U401
C402
23
RIN
RIN0P
22
GNDR
RIN0N
20
GIN
GIN0P
19
GNDG
GIN0N
21
SOG
SOGIN0
18
BIN
BIN0P
17
GNDB
BIN0N
27
HSYNC
HSYNC0
28
VSYNC
VSYNC0
30
DDCA_SDA/RS232_TX
31
DDCA_SCL/rs232_RX
C412 C413
15
REXT
R403 390 1/16W
26
TSUM16AL
REFP
C401
0.1uF/16V 25
REFM
2 37
VDD SO SDO
1 38
HOLD# CE# SCZ
6 39
WP# SCK SCK
5 40
VSS SI SDI
100 48
GPIO_P27/PWM1
84
RST
96
XIN
X401
97
XOUT
80
BYPASS
C445
0.1uF/16V
NC 52
MODE[0]
NC 53
MODE[1]
R415 R416
10K 1/16W 10K 1/16W
VDDC
81
VCTRL VCTRL
54 A0
LVA3P
A1 A[0..9]
55
LVA3M
A2
58
LVACKP
59 A3
LVACKM
A4
60
LVA2P
A5
61
LVA2M
62 A6
LVA1P
63 A7
LVA1M
A8
64
LVA0P
65 A9
LVA0M
67 B0
LVB3P
B1 B[0..9]
68
LVB3M
B2
69
LVBCKP
70 B3
LVBCKM
B4
71
LVB2P
B5
72
LVB2M
73 B6 R405
LVB1P
B7
74
LVB1M
B8
77 20K 1/16W
LVB0P
78 B9
LVB0M
R406
36 10K 1/16W
NC
45
NC
46
NC
+5V
41
GPIO_P23
42
GPIO_P22
35
on_PANEL 2
GPIO_P15/PWM0
47
PWM2/GPIO_P24 DET_VGA 3
85
on_BACKLIGHT 2
GPIO_P12
86
PWM1/GPIO_P25 adj_BACKLIGHT 2
87
RSTN
88
GPIO_P00/SAR1
89
GPIO_P01/SAR2
90 C424
GPIO_P02/SAR3
91 R422 4.7K 1/16W
GPIO_P06
92 R423 4.7K 1/16W
GPIO_P07
93 POWER
PWM0/GPIO_P26
LEFT
94
GPIO_P13
95 RIGHT
GPIO_P14
99 MENU
GPIO_P16/PWM2
R481 R482 R483 R484
VCC3.3
44 VCC3.3
GPIO_P10/I2C_MCL
43
GPIO_P11/I2C_MDA
R424 R425 R426
R427 100
R428 100
R429 100
31
VCC3.3 FB402 AVDD
2,3 VCC3.3 2,3
600 OHM
C407
0.1uF/16V
2
A[0..9] 5
VCC3.3 FB405 VPLL
2,3 VCC3.3 2,3
600 OHM
C416
0.1uF/16V
B[0..9] 5
DDC_WP 3
Q402
PMBS3904
C422
0.1uF/16V
VCC3.3
+5V 2,3
R414
R413 470 1/16W
10K 1/16W
R412 VCC3.3
NC/10K 1/16W Q401
PMBS3906
R417 NC/20K 1/16W R408 R409
470 1/16W
NC/0.1uF/16V
Q403
PMBS3906
R421 470 1/16W
R419 470 1/16W
MENU R474 1k 1/16W
RIGHT
R475 1k 1/16W
LEFT R476 1k 1/16W
POWER R477 1k 1/16W
C431
C425
0.1uF/16V
U403 24C16
8 1
VCC A0
change c431/c426/c427/c428 to 330pF
1/16W 7 2
WP A1
1/16W 6 3
SCL A2
1/16W 5 4
SDA GND
Option Title
Size Document Number
Custom
Date: Tuesday, May 16, 2006
Dell E177FPc
VCC3.3 FB404 VDVI
VCC3.3
600 OHM
C414 C415
0.1uF/16V 0.1uF/16V
VCC3.3 FB406 VMPLL
VCC3.3
600 OHM
C419
0.1uF/16V
CN403
LEDG 8 7 LEDA
6 5
KEY_RIGHT 4 3
KEY_POWER
2 1
CONN
KEY_MENU
C426 C427 C428 C429 C430
AOC TSUM16AL
Rev
SCALER A
Sheet 4 of 5