Swb; Vddd; Int_Ext_Vdd - Motorola HT Series Service Manual

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UNSWB+
7.5V
Battery
Fuse
MECH.

SWB+

3.5V
Reg.
LI Ion
PA, Driver
PCIC(ALC)
Figure 2-1
Audio
Power
Amplifier
4.0V/3.3V
Regulator
SWB+
Regulator
Control
On/Off
Switch
Low Battery
Detect
Antenna
Switch
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DQG GHVFULEHG LQ
Int/Ext Vdd
Vdda
Vdda
Vdda

Vddd

Tx MCU, ROM LCD
Led and EEPROM Driver
5V
Regulator
5V
RF, AMP, IF AMP
Table 2-1 on page 2-2
Table 2-2 on page 2-2
Accessories
20 pin Connector
Keypad/Option Board
Prime Expansion Board
Switching
Regulator
FRACTN
ASFIC_CMP
VCOBIC
Ext. RX.
Buffer (NU)

 $
Figure 2-1
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