Figure 3-3 B+ Routing For Controller Board - Motorola ASTRO XTS 3000 Service Manual

Controls Flex
On/Off Switch
B+_Sense
P201
UNSW_B+
To/From
RF Board
SW_B+
S1
On
Off
UNSW_B+
SW_B+
Switch
Q106
Q105
B+_CNTL
Controller
Board
Figure 3-4 B+ Routing for Controller Board
Secure
Module
SW_B+
UNSW_B+
Audio PA
U718
+5V Analog
5V Regulator
U710
+5V Digital
5V Regulator
U709
SLIC V
U702
32K x 8
EEPROM
U706
1M x 8
FLASH
U727
Keypad
Module
To Vocoder
Board
To Vocoder
Board
HC11F1
MCU
U701
32K x 8
SRAM
U705
Display
Module
MAEPF-25996-O
3-5