Dell E173FP Service Manual - Page 20
Ckeys Connection - power board
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DELL E173FP Service Manual +5V +5V +5V 3 5 6 7 8 2 KEY _MENU 2 KEY _RIGHT 2 KEY _LEFT 2 KEY _ONOFF KEY _MENU KEY _RIGHT KEY _LEFT KEY _ONOFF 4 3 2 1 RP103 4.7K 1/16W 2 LED_O R155 LED_O 1 4.7K 1/16W 3 2 LED_G R154 LED_G 1 4.7K 1/16W Q102 PMBS3904 2 Q101 PMBS3904 CN101 2 R157 R158 R159 R160 220 1/16W 220 1/16W 220 1/16W 220 1/16W LED_GREEN 8 LED_ORANGE 7 6 ENTER 5 RIGHT 4 LEFT 3 POWER 2 1 To keyboard C154 C156 C155 0.001uF0.001uF 0.001uF C157 0.001uF GND GND GND GND C152 0.001uF GND C153 0.001uF GND GND CONN Title Size A Date: KEYS CONNECTION Document Number Zan3 SL MAIN BOARD Friday , February 13, 2004 Sheet 3 Rev C of 5 20
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DELL E173FP Service Manual
20
C153
0.001uF
KEY_LEFT
GND
LED_ORANGE
KEY_ONOFF
C152
0.001uF
LEFT
LED_O
2
+5V
GND
R155
4.7K
1/16W
LED_G
KEY_ONOFF
2
C156
0.001uF
CN101
CONN
1
2
3
4
5
6
7
8
KEY_RIGHT
Q102
PMBS3904
3
2
1
C155
0.001uF
GND
GND
LED_GREEN
C154
0.001uF
Zan3 SL MAIN BOARD
C
KEYS CONNECTION
A
3
5
Friday, February 13, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
+5V
GND
LED_O
R158
220
1/16W
RIGHT
RP103
4.7K
1/16W
1
2
3
4
8
7
6
5
To keyboard
ENTER
KEY_MENU
2
KEY_MENU
R160
220
1/16W
GND
KEY_RIGHT
2
KEY_LEFT
2
R154
4.7K
1/16W
R159
220
1/16W
GND
R157
220
1/16W
Q101
PMBS3904
3
2
1
POWER
LED_G
2
C157
0.001uF
+5V