Dell E156FPc Service Manual page 28

+3.3V_VDD
FB401 C402 C403 C404 C405
120OHM +
C401
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
22uF/16V
Close to respective power Pins
GND
3.3V_AVDD
FB402 C417 C418 C445 C446
120OHM +
C416
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
22uF/16V
Close to respective power Pins
3.3V_LAVDD
GND
FB403
120OHM + C426
C425
22uF/16V 0.1uF/16V
+5V
GND
C440
U405
NC
OPTIONAL 3
VCC
FOR
2 GND
DEBUGGING RSTN
PURPOSES 1 C429
GND
ONLY
NC NC
+5V 3
CN402
GND
1
UDART_DO
2
UDART_DI
1 2
3
4
GND
G-PROBE
+3.3V_VDD
C431
R406 R407 R408
0.1uF/16V
U403
1 8
A0 VCC
2 7 R409 100 1/16W
A1 WC
3 6 R410 100 1/16W
A2 SCL
4 5 R411 100 1/16W
VSS SDA
M24C16-MN6T
GND
Boot-Strap Configuration:
Name 10 KOhm Open Default
ATMEL_EN ATMELSPI ROM Standard SPI ROM Open
(PWM0)
UART_PIN_SEL UART on GPO UART on DDC Open
(PWM1)
V_EDID_ATMEL ATMELSPI ROM Standard SPI ROM Open
(SPI_CSn)
GPO_0 Ext. ROM JTAG Off
3.3V_DVDD +1.8V_VDD
C406 C407 FB404
120OHM + C409
0.1uF/16V 0.1uF/16V 22uF/16V 0.1uF/16V
3.3V_PVDD GND
FB406 C424 FB405 + C420
C419
120OHM 120OHM
0.1uF/16V 22uF/16V 0.1uF/16V
GND
GND
+5V
(2)
(2)
R433
(2)
NC
(2)
HOLD#
(2)
R421
(2)
R437 5.6K 1/16W
NC
ROM_WP#
R428
R456
NC 1 Q402 NC
NC
SPI_3V3
R418
NC
R422
GND 10K 1/16W
C441
0.1uF/16V
GND
/WP
NVRAM_SCL
NVRAM_SDA
(6) BRIGHTNESS
R424
4.7K 1/16W
+3.3V_VDD
GND
R432
4.7K 1/16W
U402
1 8 GND
CE# VDD
2 7 HOLD#
SO HOLD#
ROM_WP# ROM_SCLK
3 6
WP# SCK
4 5 ROM_SDI
VSS SI
SST25VF020-20-4C-SAE
GND
3.3V_PVDD
3.3V_AVDD 3.3V_LAVDD
1.8V_AVDD
C410 C411 C412 C413 C414
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
Close to respective power Pins
1.8V_DVDD
C421 C422 C423
0.1uF/16V 0.1uF/16V 0.1uF/16V
C427 33pF
3.3V_PVDD
X401 108
XTAL
14.318MHz
109
3.3V_PVDD
TCLK
C428 33pF
99
RED+ RED+
100
RED- RED-
96
GREEN+
GREEN+
97
GREEN- GREEN-
93
BLUE+
BLUE+
94
BLUE-
BLUE-
89
(2) HS
HSYNC
90
(2) VS VSYNC
RESETn 111
RESETn
+3.3V_VDD
R419
0 1/16W
63
RESERVED
64
(2) DDC_SCL_VGA
DDC_SCL_VGA
65
(2) DDC_SDA_VGA DDC_SDA_VGA
R400 NC 66
DDC_SCL_DVI
GND R401 NC 67
DDC_SDA_DVI
72
RX2+
73
RX2-
75
RX1+
76
RX1-
80
RX0+
81
RX0-
83
RXC+
84
RXC-
3.3V_DVDD 3.3V_AVDD
R402 249 1/16W 69
REXT
C430
0.1uF/16V 52
CRVSS
GND GND
119
PWM1 / GPO_5
50
PWM0 / GP0_4
UDART_DO 58
GPO_3
UDART_DI 57
GPO_2
56
GPO_1
EDID_WP 51
EDID_WP GPO_0
(2)
59
SPI_CSn
R426 R427 R417 R416
R423
4.7K 1/16W
+3.3V_VDD 4.7K 1/16W
R429
10K 1/16W
60
SPI_CLK
GND 61
SPI_DI
62
SPI_DO
C435
0.1uF/16V
GND
28
3.3V_DVDD 1.8V_DVDD 1.8V_AVDD
NVRAM_SCL
120
GPIO_8
121 NVRAM_SDA
GPIO_9
122 /WP
GPIO_10
123
GPIO_11 POWER_ON
124 R430 ROM_WP#
GPIO_12
125 NC
LED_O (4)
GPIO_13
126
GPIO_14 LED_G (4)
3
RESERVED
4
RESERVED
5
RESERVED
6
RESERVED
7 LVDS_E8
E_CH3_N
LVDS_E9
8
E_CH3_P
11 LVDS_E4
E_CH2_N
LVDS_E5
12
E_CH2_P
LVDS_E2
13
E_CH1_N
14 LVDS_E3
E_CH1_P
LVDS_E0
15
E_CH0_N
16 LVDS_E1
E_CH0_P
LVDS_E6
9
E_CLK_N
10 LVDS_E7
E_CLK_P
LVDS_E[0..9]
19
RESERVED
20
RESERVED
21
RESERVED
22
RESERVED
23
RESERVED
24
RESERVED
27
RESERVED
28
RESERVED
29
RESERVED
30
RESERVED
LVDS_O8
31
O_CH3_N
LVDS_O[0..9]
32 LVDS_O9
O_CH3_P
LVDS_O4
35
O_CH2_N
36 LVDS_O5
O_CH2_P
LVDS_O2
37
O_CH1_N
LVDS_O3
38
O_CH1_P
39 LVDS_O0
O_CH0_N
U401 LVDS_O1
40
O_CH0_P
gm2621 33 LVDS_O6
O_CLK_N
LVDS_O7
34
O_CLK_P
MQFP-128
41 R476
O_BON +3.3V_VDD
42 NC
RESERVED
43
RESERVED
44 R477
RESERVED
45
RESERVED
46
RESERVED
127 PPWR GND
PPWR (6)
PPWR
PBIAS
49
PBIAS (6)
PBIAS
105
VBUFC_RPLL
115
LBADC_IN1 LBADC1 (4)
114
LBADC2 (4)
LBADC_IN2
113
LBADC_IN3 CABLE_DET (2)
112
LBADC_VSS
GND
gm2621
Title
GND
Size Document Number
Custom
Date: Wednesday, June 29, 2005 Sheet
Dell E156FPc
(4)
LVDS_E[0..9] (5)
LVDS_O[0..9] (5)
Rev
D
3 of 6