HBD-E385/E390/T39
HBD-E385/E390/T39
33
33
5-5. BLOCK DIAGRAM - POWER SUPPLY Section -
EN_POWER
FL_6V
A+12V
UNSW12V
FEUNSW12V
SWR1
SWITCHING
REGULATOR
F5304
PANEL 6V
F5301
+12V REG
DC FAN DRIVER
IC3501 (2/2)
F5307
DC-DC CONVERTER
IC308
F5303
FE_SW5V
DCDC5V
DC-DC CONVERTER
IC5301
F5306
DC-DC CONVERTER
IC307
UNSW6V
EN_POWER
3.3V
D3.3V
1.2V
1.5V
PCONT3
PCONT2
PCONT1
+3.3V REG
IC5302
5V VOLTAGE
CONTROL
Q302
4
5
3
F5305
FE_SW12V
12V VOLTAGE
CONTROL
Q311
4
5
3
OVER VOLTAGE
DETECTOR
Q310
8.0V
OVER VOLTAGE
DETECTOR
Q312
5V
OVER VOLTAGE
DETECT
Q305
(AC IN)
PVDD_CONT
SYSTEM CONTROLLER
IC6301 (3/3)