RCA RDR9000 Service Manual page 254

Service Manual
Block Diagram (Power Section)
13.6V
Power Control
AC-DC Converter
Board
Q1003\Q1004\U1007
13.6VDC
Battery
220VAC
DCDC: 5V 3A
Active Regulator 5V
VRTC_3V
LDO: 3.3V
300mA
Q1003\Q1004\U1007
DCDC: 5V 3A
Active Regulator 5V
VRTC_3V
LDO: 3.3V
300mA
V+
Switch
EXT_VCC
V+
9V3A
5VA_RX
LDO: 3.3V
LDO: 5V 300mA
300mA
9V3A
9V3A
Switch
5VFGU
LDO: 5V 300mA
3V3DRF
LDO: 3.3V 3V3ARF
300mA
5VA
LDO: 5V 300mA
3V3DRF
LDO: 3.3V 3V3A
300mA
1V8D
3V3D
5VD 5VD
Level Converter
5VD
Front Panel
VDDCR
LDO: 3.3V 3V3E 3V3E
VDD/VDDIO
300mA
LDO: 1.8V 1V8D 1V8D
300mA
3V3D
DCDC: 1.2V 1V2D 1V2D
CVDD
above 800mA
1V2D
RVDD
LDO: 3.3V 3V3D 3V3D
DVDD3318
300mA
1V8D
DDR_DVDD18
1V8D
DVDD18
1V2_RTC
LDO: 1.2V 1V2_RTC
RTC_CVDD
300mA
3V3D
SN74AHCT594PWR
9V1_RX
Switch
9V3A
5VA_RX
LDO: 5V 300mA
5VFGU
3V3ARF
LDO: 3.3V 3V3DRF
300mA
9V3A
Switch
5VFGU
LDO: 5V 300mA
3V3DRF
3V3ARF
LDO: 3.3V
300mA
5VA
LDO: 5V 300mA
3V3DRF
5VD
5VD
Level Converter
LDO: 1.8V 1V8D 1V8D
300mA
3V3D
DCDC: 1.2V 1V2D 1V2D
CVDD
above 800mA
1V2D
RVDD
LDO: 3.3V 3V3D 3V3D
DVDD3318
300mA
1V8D
DDR_DVDD18
1V8D
DVDD18
LDO: 1.2V 1V2_RTC 1V2_RTC
RTC_CVDD
300mA
3V3D
SN74AHCT594PWR
244
8. VHF (136-174 MHz) Information
TX
FGU
DAC
Audio
1.2V internal
PHY
Memory
OMAP
-L138
IO Expand
RX
FGU
DAC
Memory
OMAP
-L138
IO Expand