RCA RDR9000 Service Manual page 51

Service Manual
Block Diagram (Power Section)
13.6V
Power Control
AC-DC Converter
Board
Q1003\Q1004\U1007
13.6VDC
Battery
220VAC
Active Regulator 5V
VRTC_3V
LDO: 3.3V
300mA
Q1003\Q1004\U1007
Active Regulator 5V
VRTC_3V
LDO: 3.3V
300mA
Switch
5VA_RX
LDO: 3.3V
LDO: 5V 300mA
300mA
9V3A
Switch
LDO: 5V 300mA
3V3DRF
3V3ARF
LDO: 3.3V
300mA
LDO: 5V 300mA
LDO: 3.3V
300mA
5VD
DCDC: 5V 3A
LDO: 3.3V 3V3E
300mA
LDO: 1.8V 1V8D
300mA
DCDC: 1.2V 1V2D
above 800mA
LDO: 3.3V 3V3D
300mA
1V2_RTC 1V2_RTC
LDO: 1.2V
300mA
Switch
9V3A
LDO: 5V 300mA
LDO: 3.3V
300mA
Switch
LDO: 5V 300mA
3V3DRF
3V3ARF
LDO: 3.3V
300mA
LDO: 5V 300mA
5VD
DCDC: 5V 3A
1V8D
LDO: 1.8V
300mA
DCDC: 1.2V 1V2D
above 800mA
LDO: 3.3V 3V3D
300mA
1V2_RTC 1V2_RTC
LDO: 1.2V
300mA
41
6. UHF1 (400-470 MHz) Information
V+
EXT_VCC
V+
9V3A
TX
9V3A
5VFGU
FGU
5VA
DAC
3V3DRF
3V3A
1V8D
Audio
3V3D
5VD
Level Converter
5VD
Front Panel
VDDCR 1.2V internal
PHY
3V3E
VDD/VDDIO
1V8D
Memory
3V3D
1V2D
CVDD
1V2D
RVDD
3V3D
DVDD3318
OMAP
1V8D
DDR_DVDD18 -L138
1V8D
DVDD18
RTC_CVDD
3V3D
SN74AHCT594PWR IO Expand
9V1_RX
5VA_RX
5VFGU
RX
3V3ARF
3V3DRF
9V3A
5VFGU
FGU
5VA
DAC
3V3DRF
5VD
Level Converter
1V8D
Memory
3V3D
1V2D
CVDD
1V2D
RVDD
3V3D
DVDD3318
OMAP
1V8D
DDR_DVDD18 -L138
1V8D
DVDD18
RTC_CVDD
3V3D
SN74AHCT594PWR
IO Expand