Philips HDD065, Service Manual

Page: 14 / 24

3104 207 5011
bl130 dd 28-03-2003
Battery
Li-Ion
4.2V Cell
750mAh
DC Power
input
5V/2A
Reverse
voltage
protection
Battery
charge
circuitry
PCF50606
Power
Controller
IC
(PMU)
GND_SYS
BAT_NTC
VBAT
V_IN
CHG_CURRENT
V_ADAPTOR
CHGVIN
CHGDRV
=Vadaptor
Power source
Power circuitry
Power consumer
Li-Ion
Charger
DCDE
External
stepdown
DCDC
LDO2
LDO1
LDO3
Low Power
LDO
DCDE
(3.3V 1A)
VBAT
VDCDE
VDCDE
VDCDE
VDCDE
VDCDE
DCD
Step Down
VBAT
Noise
filter
CLOCK CIRCUITRY AND
PLL's
ARM CORE
VINT
internal
supply
Reset generation and I/O
supply
VIOREG
internal
supply
Wake-up circuitry
DCDU
Step-Up
LCD Backlight
LCD MODULE
SDRAM
GPIO
2.4V circuit
Flash timing
Flash power supply
CODEC
Analog (Audio) In/Out
TUNER
CPLD
2.4V
3.0V
3.0V
1.8V
1.8V
4.0 - 5.5 V
3.0 V
3.0 V
3V
3V
VBAT
Hard Disk
3.3V
4 - 2
BLOCK DIAGRAM - VOLTAGE
4 - 2