EasyManua.ls Logo

Icom IC-R8500 Service Manual

Icom IC-R8500
100 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
o
ICOM
SERVICE
MANUAL
Downloaded
by
RadioAmateur.EU
COMMUNICATIONS RECEIVER
IC-R8500
loom
Inc.

Other manuals for Icom IC-R8500

Questions and Answers:

Icom IC-R8500 Specifications

General IconGeneral
Antenna Impedance50 Ω
Power Supply13.8 V DC ±15%
ModeAM, FM, WFM, CW
Channels1000
Tuning Steps10 kHz
Dynamic Range100 dB
IF Output10.7 MHz
Antenna InputSO-239

Summary

Introduction

DANGER

Critical safety warnings for receiver operation and power connection.

Section 1 Specifications

Section 3 Disassembly and Option Installations

3-1 Disassembly Instructions

Procedures for removing the top and bottom covers of the receiver.

3-2 Option Installations

Steps for installing optional filters and synthesizer units.

Section 4 Circuit Description

Section 5 Adjustment Procedures

5-3 Receiver Adjustment

Adjustments for receiver sensitivity and bias voltages across different modes.

5-4 RF-B BPF Tuned Voltage Adjustment

Tuning procedure for the RF-B unit's bandpass filters.

5-5 Noise Squelch, S-Meter and Center Indicator Adjustment

Adjustment of noise squelch, S-meter, and center indicator functions.

Section 9 Board Layouts

Section 10 Block Diagram

Section 11 Voltage Diagram