Dell SE178WFPC Service Manual page 32

17" LCD Color Monitor
CN401
1 CMVCC
2
3 CMVCC
4 CMVCC
5 BKLT-VBRI
6 BKLT-EN
CONN
DGND 1,2,3
VCC3.3
R405
12K 1/16W
BKLT-VBRI R406
adj_BACKLIGHT 2
1K 1/16W
VCC3.3 VCC3.3
R401 R403
10K 1/16W 10K 1/16W
BKLT-EN
C406
Q403
NC PMBS3904
R404
on_BACKLIGHT 2
4K7 1/16W
32
3/16
VCC3.3
BAT54C : IF 10mA,VF=0.4V
BAV70 : IF 10mA,VF=0.855V(drop
voltage too much)
BAT54C
MVCC D106 U702
R402 3.3Ω 2W 3 2
VI VO
C403 +
C412 100uF/16V
0.1uF 16V
C413
0.1uF 16V
CMVCC MVCC
FB402
NC
U701
3
VIN VOUT
C407 AP1117E33LA
+
100uF/16V C409
0.1uF 16V
TPV (Top Victory) Electronics Co., Ltd.
Title
Size Document Number
B
Date: Wednesday , June 20, 2007
Dell SE178WFPC
VCC1.8
C402 +
100uF/16V
VCC3.3
2
C401 C408
+
100uF/16V
0.1uF 16V
Power
Rev
G2659-1-DEL-X-2-070619
A
Sheet 4 of 5