Simoco SRM9000 - User Manual

SRM 9000 Series
FM VHF/UHF Mobile Radio Transceiver
SERVICE MANUAL
TNM-M-E-0001
October 2000
Draft D
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Simoco SRM9000 Specifications

General

Brand	Simoco
Model	SRM9000
Category	Transceiver
Language	English

Summary

INTRODUCTION

Description

Design concept, RF/DSP circuitry, frequency synthesis, modulation.

Product Variants And Facilities

SERVICE PHILOSOPHY

Adjustment and Alignment

Information on radio alignment and adjustments without internal components.

Technical Specification

General, transmitter, receiver, signalling, and environmental specs.

TECHNICAL DESCRIPTION

Receiver

Details on the receiver's front end, mixer, IF section, and audio processing.

Transmitter

Details on transmitter stages, power control, and audio processing.

Frequency Synthesiser

Overview of synthesiser components: VCOs, loop filter, reference oscillator.

Control

Roles of DSP and FPGA in radio operations and control.

Memory

Power Supplies

Detailed breakdown of voltage regulators and their supplies.

ALIGNMENT

TEST EQUIPMENT

List of required equipment for radio testing and alignment.

TEST SET UP

Diagram and instructions for connecting test equipment to the radio.

ALIGNMENT PROCEDURE

Step-by-step guide for radio alignment.

CIRCUIT DIAGRAMS AND PARTS LIST

Figure 6-1 SRM9000 Block Diagram

Overall block diagram showing subsystem interconnections.

Figure 6-2 DSP and FGPA Schematic

Schematic diagram of the DSP and FPGA components.

Figure 6-3 Power Supply Schematic

Schematic diagram of the power supply circuits.

Figure 6-4 E0 Receiver Circuit Schematic

Receiver circuit schematic for E0 Band (66-88MHz).

Figure 6-4 AC Receiver Circuit Schematic

Receiver circuit schematic for AC Band (136-174MHz).

Figure 6-4 TK Receiver Circuit Schematic

Figure 6-4 UW Receiver Circuit Schematic

Figure 6-5 E0 Transmitter Circuit Schematic

Figure 6-5 AC Transmitter Circuit Schematic

Figure 6-5 TK Transmitter Circuit Schematic

Figure 6-5 UW Transmitter Circuit Schematic

Figure 6-6 E0 Synthesiser - VCO Schematic

Figure 6-6 AC Synthesiser - VCO Schematic

Figure 6-6 TK Synthesiser - VCO Schematic

Figure 6-6 UW Synthesiser - VCO Schematic

Figure 6-7 E0 Synthesiser - PLL Schematic

Figure 6-7 AC Synthesiser - PLL Schematic

Figure 6-7 TK Synthesiser - PLL Schematic

Figure 6-7 UW Synthesiser - PLL Schematic

Figure 6-8 A;D Converter Schematic

Figure 6-9 D;A Multiplexer Schematic

Figure 6-10 I;O Connections Schematic

TRANSCEIVER CONNECTIONS

MICROPHONE; HANDSET CONNECTOR

Pinout and description of the RJ45 microphone/handset connector.

EXTERNAL INTERFACE CONNECTOR

Pinout and description of the DB15 external interface connector.