Motorola HT Series User Manual

9-336 VHF Circuit Board/Schematic Diagrams and Parts List (PCB 8486473Z03)
* Motorola Depot Servicing only
U3711 5105739X05 5V Regulator
U3801 5105750U54 VCO BUFFER IC
U400 5102463J40 3.3V Regulator
U404 5185130C53 ASFIC CMP IC
U405 NOT PLACED -
U406 *5102463J59 128K X 8 FLASH ROM
U407 *5102463J64 16K X 8 EEPROM
U409 5102226J56 Microprocessor IC
U410 5102463J57 3.3V Regulator
U420 5102463J44 Audio PA
VR3501 4880140L17 Zener Diode
VR432 4805656W08 Zener Diode
VR433 4805656W08 Zener Diode
VR434 4802245J73 Zener Diode 6.8V
VR439 4880140L17 Zener Diode
VR440 NOT PLACED -
VR441 NOT PLACED -
VR442 NOT PLACED -
VR444 NOT PLACED -
VR447 4802245J74 Zener Diode 10V
VR448 4802245J74 Zener Diode 10V
VR449 4802245J74 Zener Diode 10V
VR450 4802245J75 Zener Diode 12V
VR460 4802245J73 Zener Diode 6.8V
VR501 4802245J73 Zener Diode 6.8V
VR506 4802245J73 Zener Diode 6.8V
Y3200 9180022M11 44.85MHZ Crystal Filter
Y3201 4802245J84 44.395MHz Crystal Oscillator
Y3202 9186145B02 455KHZ Discriminator
Y3203 9180469V05 455KHz 6-Pole Ceramic Filter
Y3204 9180469V03 455KHz 6-Pole Ceramic Filter
Y3205 9180468V05 455KHz 4-Pole Ceramic Filter
Y3761 4805875Z04 16.8 MHZ Crystal Oscillator
8486473Z01 VHF main PC Board
Circuit
Ref
Motorola Part
No.
Description

Motorola HT Series Specifications

General

Battery Type	Li-Ion
Waterproof	IP54
Operating Temperature	-30°C to +60°C
Frequency Range	VHF: 136-174 MHz
Number of Channels	16