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Puxing PX-328 User Manual

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UHF/VHF FM TRANSCEIVER
PX-777/328/338
SERVICE MANUAL
------------------CONTENTS--------------------------
INTRODUCTION……………………………………………………2
GENERAL ................................................................................. 2
REALIGNMENT……………………………………………………..3
TROUBLE SHOOTING GUIDE……………………………………6
TECHNICAL SPECIFICATION ............................................. …7
FUNCTION SPECIFICATION…………………………………….8
CIRCUIT DESCRIPTION ......................................................... 9
SEMICONDUCTOR DATA.............................................……. 16
PARTS LIST............................................................................ 17
BLOCK DIAGRAM …………………........................................ 22
PCB BOARD………………………………………………………23
SCHEMATIC DIAGRAM....................................................... 25

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Puxing PX-328 Specifications

General IconGeneral
Frequency Range400-470MHz
Power Output5W/1W
Operating Temperature-20°C to +60°C
TypeHandheld
Battery1200mAh Li-ion battery
Operating Voltage7.4V
Antenna Impedance50 Ohm
Channel Capacity16 channels
Modulation16K0F3E / 11K0F3E

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