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SPECIFICATIONS........................................................................................................................................................................................... 4
DESCRIPTION ................................................................................................................................................................................................ 6
RELATED MANUALS ............................................................................................................................................................................... 6
RADIO FEATURES .................................................................................................................................................................................... 6
USER PROGRAMMABLE FEATURES .................................................................................................................................................... 6
PC PROGRAMMABLE FEATURES.......................................................................................................................................................... 6
CIRCUIT DESCRIPTION................................................................................................................................................................................ 6
TRANSMITTER BLOCK............................................................................................................................................................................ 8
Transmit Frequency Generation............................................................................................................................................................... 8
Transmit Offset Synthesizer..................................................................................................................................................................... 8
Transmit Driver Amplifier ....................................................................................................................................................................... 8
Transmit Bandpass Filter (Z361) ............................................................................................................................................................. 8
Power Amplifier (N305) .......................................................................................................................................................................... 8
DC-DC converter ..................................................................................................................................................................................... 8
Duplexer .................................................................................................................................................................................................. 8
Power Detection....................................................................................................................................................................................... 8
PowerControl........................................................................................................................................................................................... 9
RECEIVER BLOCK.................................................................................................................................................................................... 9
General..................................................................................................................................................................................................... 9
DuplexFilter ............................................................................................................................................................................................. 9
Front End Chip (N211)............................................................................................................................................................................ 9
Buffer and IF/AF chip.............................................................................................................................................................................. 9
RSSI....................................................................................................................................................................................................... 10
RSSI Range............................................................................................................................................................................................ 10
CONTROLS AND INDICATORS............................................................................................................................................................. 10
Display ................................................................................................................................................................................................... 10
Illumination............................................................................................................................................................................................ 11
OPTIONS AND ACCESSORIES .............................................................................................................................................................. 11
PLACING AN INTERCONNECT CALL (IPE-200)................................................................................................................................. 12
Volume Control ..................................................................................................................................................................................... 12
Mute Key ............................................................................................................................................................................................... 12
LAST NUMBER RE-DIAL ....................................................................................................................................................................... 12
A CALL IS UNSUCCESSFUL OR A CALL IN PROGRESS IS INTERRUPTED.................................................................................. 13
ANSWERING AN INTERCONNECT CALL ........................................................................................................................................... 13
UNANSWERED CALL COUNTER ......................................................................................................................................................... 13
TURNING THE RADIO OFF.................................................................................................................................................................... 13
PREVENTIVE MAINTENANCE ............................................................................................................................................................. 13
PERSONALITY PROGRAMMING.......................................................................................................................................................... 14
Personality Programming Mode ............................................................................................................................................................ 14
FLASH PROGRAMMING ........................................................................................................................................................................ 15
TEK Box And Utility Software.............................................................................................................................................................. 15
TROUBLESHOOTING ............................................................................................................................................................................. 16
DISASSEMBLY ........................................................................................................................................................................................ 17
Radio Disassembly................................................................................................................................................................................. 17
Circuit Board Removal .......................................................................................................................................................................... 17
LCD Assembly Removal........................................................................................................................................................................ 17
Antenna Assembly ................................................................................................................................................................................. 17
Volume Control Knob ........................................................................................................................................................................... 17
ASSEMBLY............................................................................................................................................................................................... 17
LCD Assseesbly ..................................................................................................................................................................................... 17
Circuit Board Installation....................................................................................................................................................................... 17
Antenna Assembly ................................................................................................................................................................................. 17
Radio Assembly ..................................................................................................................................................................................... 18
Volume Control Knob ........................................................................................................................................................................... 18
TABLE OF CONTENTS
AE/LZB 119 1890 R1A
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