Dell P992 Service Manual page 38

R1400 R1401
220 220
:RN :RN
S1405 S1404
MENU CONT-
4.6
Q1400
DTC114ESA-TP
3.1
LED DRIVE
R1406
150
0.5
Q1401
R1407
DTC114TSA
220
LED DRIVE
G A
POWER
D1400
SML79423C-TP15
H4
(USER CONTROL)
D1402
R1402 R1403
100 100
RD5.1ESB
:RN :RN
S1401
S1402 S1400
BRT+ + -
R1421
10k
0
:RN
R1424
22k
:RN
R1404
470
FB1402
:RN
1.1µH
FB1403
1.1µH
R1419
TH1400
100k
R1420 C1407
D1403 47
10k
16V
RD5.1ESB
CN1400
1 T_AMB
KEY SCAN
2
3 LED 1
LED 2
4
GND
5
6 +5V
GND
7
C1498
GND
0.1 8
:B
FB1404
JW
B-SS9330<U/C>-H4..-EPS05
8P
TO D- b BOARD
CN1103
CHASSIS GND