Xtl 5000 Functional Block Diagram; Figure 10-1. Astro Xtl 5000 Functional Block Diagram - Motorola ASTRO XTL 5000 Basic Service Manual

10-2

10.1 XTL 5000 Functional Block Diagram

TX RX
DIRECTIONAL
COUPLER
DETECTOR
TO POWER CONTROL
BATT CABLE (GRN)
IGN. CABLE (ORG)
SPEAKER
REMOTE MOUNT MODELS
VACUUM
VF VOLTAGE
SERIAL BUS
FLUORESCENT
SOURCE
INTERFACE
11-CHARACTER
HIGH VOLTAGE
MICROPROCESSOR
VF DRIVER
EEPROM
CONTROL HEAD (REMOTE MOUNT)
(W9 PUSHBUTTON MODEL)
June 12, 2003
800 BAND
PRESELECTOR
PREAMP
700 BAND
PRESELECTOR
TRANSMITTER POWER AMPLIFIER
RX
TX
LOW PASS ANTENNA
PA
DRIVER
FILTER SWITCH
FROM
POWER
CONTROL
TO J0401 50-PIN
CONTROL HEAD
CONNECTOR
REMOTE
INTERCONNECT
INTERCONNECT
BOARD BOARD
FUSE
FUSE
MICROPHONE
VIP IN/OUT
REMOTE
INTERCONNECT
BOARD
VACUUM SERIAL BUS
SERIAL BUS
FLUORESCENT INTERFACE
INTERFACE
8-CHARACTER
MICRO-
HIGH VOLTAGE MICRO-
PROCESSOR
VF DRIVER
PROCESSOR
CONTROL HEAD (DASH MOUNT)
CONTROL HEAD (REMOTE MOUNT)
(W5/W7 PUSHBUTTON AND W4 ROTARY MODELS) (W5/W7 PUSHBUTTON AND W4 ROTARY MODELS)

Figure 10-1. ASTRO XTL 5000 Functional Block Diagram

800 BAND 73.35 MHz IF AMP
MIXER
PRESELECTOR
2 POLE
XTAL
700 BAND
PRESELECTOR
RX LO
INJECTION
FREQUENCY GENERATION UNIT
RX INJECTION
PREDRIVER
800 MHz
RX VCO
700 MHz
RX VCO
TX
TX INJECTION
INJECTION
700 MHz
TX VCO
800 MHz
TX VCO
MOBILE A+ DISTRIBUTION
J0950 DC
CONNECTOR
DC POWER
DASH HANDHELD
CABLE
INTERCONNECT
BOARD
FUSE
TO POSITIVE
TERMINAL OF
VEHICLE BATTERY
8-CHARACTER
VACUUM
FLUORESCENT DISPLAY
DISPLAY
DRIVER
DISPLAY
HIGH VOLTAGE
SWITCHES
VF DRIVER
W3 HANDHELD CONTROL HEAD
Functional Block Diagrams and Connectors: XTL 5000 Functional Block Diagram
ABACUS III RX BACKEND
2 POLE
ADC
XTAL
LO SAMPLE CLOCK
SYNTH SYNTHESIZER
2nd LO VCO CLOCK VCO
AND AND
LOOP FILTER LOOP FILTER
16.8 MHz REF
16.8 MHz
REF OSC
LOOP FRACTIONAL N
FILTER SYNTHESIZER
CONTROLLER
MOD IN
MODULATION
D/A BLOCK
SPI
BUS
D/A A/D
IC IC
POWER
CONTROL
AND
REGULATORS
AUDIO
PA
J0402 26-PIN
J0401 50-PIN
REAR ACCESSORY CONTROL HEAD
CONNECTOR CONNECTOR
IGNITION
CABLE
FUSE
DASH MOUNT
MODELS
MAEPF-27633-O
RX DATA
FLASH
SRAM
ROM
MICROPROCESSOR
AND DSP IC
ENCRYPTION
BOARD
(OPTIONAL)
FROM
CODEC
MICROPHONE
6881096C73-O