Dell 1907FPc Service Manual page 33

w w w . m a 1 6 3 . c o m
CN401
1
3
5
Audio-Det 7
9
SPKR_L+
11
LINE-IN-L
13
CONN
Audio-Det+
R431
USB Switch
(3)
4.7K 1/16W +3.3V_VDD
R407
100 1/16W
R409 47K 1/16W
LED_G 1
(3) LED_G
Q403
KEY_AUTO R411 220 1/16W
KEY_RIGHT R413 220 1/16W
KEY_ONOFF R415 220 1/16W
C404 C405
1000pF 1000pF
GND GND
+3.3V_VDD
R416 R417
10K 1/16W 10K 1/16W
R419
(3) LBADC1
R420
R421
(3) LBADC2
R422
R424
(3) POWER_ON
+12V +5V
Audio cut+
2
4
Audio cut
6
MUTE
8
10
SPKR_R+
12
14 LINE-IN-R
GND
GND
CN403
CONN
6/10 Added
GND
CN402
1 2
LED_GREEN 3 4
5 6
7 8
9 10
11 12
SPKR_L+ 13 14 SPKR_R+
LINE-IN-L
15 16
C403
1000pF CON16A
GND
9/21 modified GND
+3.3V_VDD
C408
R418 0.1uF/16V
10K 1/16W
GND
30K 1/16W
22K 1/16W
22K 1/16W
30K 1/16W
KEY_ONOFF
4.7K 1/16W
u 5 [ P b € g / • D e ™ • Q
R428
6/10 Added
0 1/16W
R426 NC
R425 NC 1
3
R427
2 D401
NC
C410 NC
NC
C409
NC
+3.3V_VDD
R408
100 1/16W
Q404
PMBS3904 1
47K
LED_ORANGE
R412
R414
LINE-IN-R C406 C407
1000pF 1000pF
GND GND
R405
(3) Audio Detect
NC
KEY_MENU
KEY_RIGHT
Title
KEY_AUTO
KEY_LEFT
Size Document Number
A
Date: Monday, November 14, 2005
33
+5V
R402
NC
R406
1
Audio cut-off
Q402
NC NC
GND
LED_O
R410
LED_O (3)
1/16W
KEY_MENU
220 1/16W
220 1/16W KEY_LEFT
R429
+5V 0 1/16W
6/10 Added
R401
NC
R403 NC
Audio-Det
1 C401
Q401 C402
NC 0.1uF/16V
NC
GND GND
Dell 1907FPc
KEYPAD
Sheet 4 of
Dell 1907FPc
(3)
Rev
E
6