Power Supply Section - Dell 5110cn Service Manual

§ 1 Power supply section
LVPS
PL9.1.6
+24V
+5V
+3.3V_C
+3.3V_M
Heater Control
P/J162
FAN
CONTROL
AC SW
Chapter 7 Wiring Diagrams and Signal Information
P/J163
I/L_+24VDC
1
SG
2
I/L_+24VDC
3
SG
4
HARNESS ASSY INTERLOCK
P/J161
PL9.1.11
+5VDC
1
P/J161
I/L_+5VDC
3
P/J167
24V_FAN_LV
1
ALM_FAN_LV
2
SG
3
P/J166
24V_FAN_REAR
1
ALM_FAN_REAR
2
SG
3
P/J164
3.3V_ESS
1
3.3V_ESS
2
5V_ESS
3
GND_ESS
4
GND_ESS
5
P/J165
24V_OSC_OFF
1
5V
2
SG
3
3.3V
4
SG
5
HEAT1
6
xHEAT1
7
HEAT2
8
xHEAT2
9
HEAT_EN
10
IL_OPEN
11
SLEEP
12
xREAR_FAN_STOP
13
xREAR_FAN_LOW
14
ALM_FAN_REAR
15
xLVPS_FAN_STOP
16
LV_TYPE
17
ALM_FAN_LVPS
18
HARNESS ASSY AC INLET
P/J160 PL9.1.7
1
2
7 – 8
PWBA MCU
PL9.1.16
Interlock
+24VDC
P/J60
1
2
3
4
LVPS FAN
PL1.1.33
+5VDC
REAR FAN
PL1.1.19
+3VDC
P/J311
1
2
3
4
5
P/J61
+5VDC
18
17
+3.3VDC
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Ten_Sec007_002FA