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Dell™ Latitude™ C640
Service Manual
|
Pin
|
Signal
|
|---|
1 |
VCC |
2 |
–Data |
3 |
+Data |
4 |
Ground |
|
Pin
|
Signal
|
Pin
|
Signal
|
|---|
1 |
DCD |
6 |
DSR |
2 |
RXDA |
7 |
RTS |
3 |
TXDA |
8 |
CTS |
4 |
DTR |
9 |
RI |
5 |
GND |
|
|
|
Pin
|
Signal
|
Pin
|
Signal
|
|---|
1 |
STRB#/5V |
11 |
BUSY/MTR# |
2 |
PD0/INDEX# |
12 |
PE/WDATA# |
3 |
PD1/TRK0# |
13 |
SLCT/WGATE# |
4 |
PD2/WP# |
14 |
AFDF# |
5 |
PD3/RDATA# |
15 |
ERROR#HDSEL# |
6 |
PD4/DSKCHG# |
16 |
INIT#/DIR# |
7 |
PD5F |
17 |
SLCT_IN#STEP# |
8 |
PD6F |
18–23 |
GND |
9 |
PD7F |
24 |
DFDD/LPT# |
10 |
ACK#/DRV# |
25 |
GND |
|
Pin
|
Signal
|
Pin
|
Signal
|
|---|
1 |
RED |
9 |
CRT_VCC |
2 |
GREEN |
10 |
GND |
3 |
BLUE |
11 |
MSEN# |
4 |
NC |
12 |
DAT_DDC2 |
5 |
GND |
13 |
HSYNC |
6 |
GND |
14 |
VSYNC |
7 |
GND |
15 |
CLK_DDC2 |
8 |
GND |
|
|
|
Pin
|
Signal
|
|---|
1 |
DAT_KBD |
2 |
DAT_SM1 |
3 |
GND |
4 |
PS2VCC |
5 |
CLK_KBD |
6 |
CLK_SM1 |
|
S-Video
|
|---|
|
Pin
|
Signal
|
1 |
GND |
2 |
GND |
3 |
DLUMA-L |
4 |
DCRMA-L |
|
Composite Video
|
|---|
|
Pin
|
Signal
|
5 |
NC |
6 |
DCMPS-L |
7 |
GND |
|
Pin
|
Signal
|
Pin
|
Signal
|
|---|
1 |
STRB#/5V |
101 |
VGA_GRN |
2 |
PD0 |
102 |
GND |
3 |
PD1 |
103 |
VGA_RED |
4 |
PD2 |
104 |
GND |
5 |
PD3 |
105 |
VGA_BLU |
6 |
PD4 |
106 |
DOCK_SD/MODE |
7 |
PD5 |
107 |
D_IRTX |
8 |
PD6 |
108 |
D_IRRX |
9 |
PD7 |
109 |
GND |
10 |
GND |
110 |
SPIRQB# |
11 |
DOCK_SPKR |
111 |
SPIRQC# |
12 |
DOCK_MIC |
112 |
DAT_DDC2 |
13 |
DOCK_LINE |
113 |
CLK_DDC2 |
14 |
DOCK_CDROM |
114 |
SPAR |
15 |
GND |
115 |
SPME# |
16 |
M_SEN# |
116 |
GND |
17 |
POWER_SW# |
117 |
SSERR# |
18 |
QPCIEN# |
118 |
SPERR# |
19 |
S1.6M_EN# |
119 |
SLOCK# |
20 |
DFDD/LPT# |
120 |
SSTOP# |
21 |
GND |
121 |
GND |
22 |
NC |
122 |
SDEVSEL# |
23 |
NC |
123 |
STRDY# |
24 |
D_ATCTLED |
124 |
SIRDY# |
25 |
D_PWRLED |
125 |
SFRAME# |
26 |
DOCK_PWR_SRC |
126 |
SCLKRUN# |
27 |
DOCK_PWR_SRC |
127 |
GND |
28 |
DOCK_PWR_SRC |
128 |
SGNTA# |
29 |
GND |
129 |
SREQA# |
30 |
+5VDOCK |
130 |
SGNT0# |
31 |
+5VDOCK |
131 |
SREQ0# |
32 |
+5VDOCK |
132 |
SPCIRST# |
33 |
+5VDOCK |
133 |
SH1SEL# |
34 |
+5VDOCK |
134 |
GND |
35 |
GND |
135 |
SWRPRT# |
36 |
DOCK_PWR_SRC |
136 |
SDSKCHG#/DRQ |
37 |
DOCK_PWR_SRC |
137 |
SDIR# |
38 |
DOCK_PWR_SRC |
138 |
STRK0# |
39 |
DOCK_PWR_SRC |
139 |
SSTEP# |
40 |
GND |
140 |
SDRV1# |
41 |
DOCK_+DC_IN |
141 |
GND |
42 |
DOCK_+DC_IN |
142 |
SMRT1# |
43 |
DOCK_+DC_IN |
143 |
SWRDATA# |
44 |
DOCK_+DC_IN |
144 |
SWGATE# |
45 |
DOCK_+DC_IN |
145 |
SRDATA# |
46 |
DOCK_+DC_IN |
146 |
SINDEX# |
47 |
DOCK_+DC_IN |
147 |
GND |
48 |
DOCK_+DC_IN |
148 |
NC |
49 |
GND |
149 |
+5VALW |
50 |
LOW_PWR |
150 |
NC |
51 |
HSYNC |
151 |
GND |
52 |
VSYNC |
152 |
CLK_SPCI |
53 |
GND |
153 |
GND |
54 |
DOCKED |
154 |
SAD0 |
55 |
USB_VD1+ |
155 |
SAD1 |
56 |
USB_VD1– |
156 |
SAD2 |
57 |
GND |
157 |
SAD3 |
58 |
USB_VD2+ |
158 |
SAD4 |
59 |
USB_VD2– |
159 |
SAD5 |
60 |
DOCKOCI# |
160 |
SAD6 |
61 |
RUN_ON# |
161 |
GND |
62 |
GND |
162 |
SAD7 |
63 |
NC |
163 |
SAD8 |
64 |
DOCK_SCLK |
164 |
SC/BE0# |
65 |
DOCK_LRCK |
165 |
SAD9 |
66 |
DOCK_MCLK |
166 |
SAD10 |
67 |
GND |
167 |
SAD11 |
68 |
+12V |
168 |
SAD12 |
69 |
AFD# |
169 |
GND |
70 |
ERROR# |
170 |
SAD13 |
71 |
ACK# |
171 |
SAD14 |
72 |
GND |
172 |
SAD15 |
73 |
INIT# |
173 |
SAD16 |
74 |
SLCT_IN# |
174 |
SC/BE1# |
75 |
BUSY |
175 |
CD/BE2# |
76 |
PE |
176 |
GND |
77 |
SLCT |
177 |
SAD17 |
78 |
GND |
178 |
SAD18 |
79 |
DAT_SMB |
179 |
SAD19 |
80 |
DCLK_SMB |
180 |
SAD20 |
81 |
SMB_INIT# |
181 |
SAD21 |
82 |
GND |
182 |
GND |
83 |
DAT_DOCKSM1 |
183 |
SAD22 |
84 |
CLK_DOCKSM1 |
184 |
SAD23 |
85 |
DAT_DOCKKBD |
185 |
SAD24 |
86 |
CLK_DOCKKBD |
186 |
SC/BE3# |
87 |
GND |
187 |
SAD25 |
88 |
RI0 |
188 |
GND |
89 |
CTS0 |
189 |
SAD26 |
90 |
RTS0 |
190 |
SAD27 |
91 |
DSR0 |
191 |
SAD28 |
92 |
GND |
192 |
SAD29 |
93 |
DTR0 |
193 |
SAD30 |
94 |
TXD0# |
194 |
SAD31 |
95 |
RXD0# |
195 |
GND |
96 |
DCD0 |
196 |
NC |
97 |
NC |
197 |
NC |
98 |
+5VSUS |
198 |
NC |
99 |
NC |
199 |
NC |
100 |
NC |
200 |
GND |
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