User Manual

DE
DANIELS
ELECTRONICS
iv UT-4B400 P25 Di gital UHF Base Transmitter Instruction Manual
2.5.1.2 Transmitter Deviation Balance Adjustment ..................................... 2-7
2.5.1.3 Transmitter Deviation Limit Adjustment ........................................ 2-7
2.5.2 Amplifier Alignment .................................................................. 2-9
2.5.3 Frequency Change.................................................................... 2-9
2.6 Recommended Test Equipment List................................................. 2-10
2.7 Repair Note............................................................................. 2-10
2.8 Printed Circuitboard Numbering Convention ...................................... 2-10
3 ILLUSTRATIONS ............................................................................ 3-1
3.1 Digital Base Transmitter Front Panel.................................................. 3-1
3.2 Digital Base Transmitter Case - Exploded View..................................... 3-2
3.3 Digital Base Transmitter Block Diagram .............................................. 3-3
3.4 Digital Base Transmitter Schematic Diagram ......................................... 3-4
3.5 Digital Base Transmitter Main Board Component Layout (Bottom) ............... 3-5
3.6 Digital Base Transmitter Main Board Component Layout (Top)................... 3-6
4 PARTS LIST................................................................................... 4-1
4.1 Base Transmitter Main Board Parts List.............................................. 4-1
4.1.1 Base Transmitter Main Board Electrical Parts List................................ 4-1
4.1.2 P25 Base Transmitter Mechanica l Parts List ...................................... 4-3
5 REVISION HISTORY ........................................................................ 5-1
MODULE MANUALS
UHF Amplifier Instruction Manual UT-3 406 - 470 MHz ........... IM23-UT3400AMP