Dell TORINITRON P1130 Service Manual page 14

(4) Schematic Diagram of H4 Board
1 2
A
B
R1400 R1401
220
220
C
:RN
:RN
S1405 S1404 S1402
-
+
D
5
Q1400
DTC114ESA-TP
3.3
LED DRIVE
R1406
150
0.7
R1407
E
DTC114TSA
220
LED DRIVE
G A
POWER
D1400
SML79423C-TP15
F
H4
(USER CONTROL)
3 4
Q1402
DTA124ESA
5
R1402 R1403
R1408
100 100
470
:RN :RN
R1404
S1400
470
:RN
OK BRT
S1401
CONT
R1421
10k
0.1
:RN
R1424
22k
:RN
INPUT1
Q1401
S1403
C1400
INPUT2
5 6
R1422
22k
C1404
0.01
R1423 22k
C1403
0.01
C1405
47
16V 16V
D1402
1SS119
0
D1403
FB1401
1SS119
1.1µH
FB1402
1.1µH
FB1403
1.1µH
C1401
R1409
47
100k
16V
C1498
0.1
:B
R1419
TH1400
FB1404
100k
10K
JW(5)
FB1405
C1407
R1420
JW(5)
47
10k
FB1406
16V 16V 16V
JW(5)
10
B-SSS9328<U/C>-H4..-EPS05
7
8 9
CN1401
5P
GND
1
VY
2
3 VX
+5V
4
5 +12V
TO MAGNETIC
SENSOR
CN1400
14P
1 +12V
WAKE UP
2
KEY SCAN
3
LED 1
4
TO D- b BOARD
LED 2
5
CN1106
GND
6
+5V
7
8 INPUT SW
GND
9
CHASSIS GND
10 GND
GND
11
12 T_AMB TO N BOARD
VY CN1003
13
14 VX
10
P1130(E) 4-16