Icom IC-R7000 Service Manual

2·4 INSIDE VIEW
(MAIN
UNln
Converter for 1240-1300MHz --------.
AF Amp (µPC1241 H IC8)--------------'
2·5 INSIDE TOP VIEW
(RF AND IF UNITS)
BPF and RF Amp Circuits------------,
20dB Attenuator Circuit---------,
RF UNIT--------+---
IF UNIT---------+-----1
.-----------FM Center Meter and VSC Control Circuits
2-3
.----------------VSC Amp (NJM4558D IC1)
r------- Signal Center Frequency Detector Circuit
'--------Relay for Recording Remote Function
'-----------voltage Regulator (NJM7809A IC6)
'--------------Noise Squelch Control Circuit
.-------------------LO TRAP UNIT
.----------1st LO AMP AND MIXER UNIT
f------,f------1 st IF Amp Circuit
----'-----512-1000MHz IF Filter
---+------25-512MHz IF Filter
---+---2nd LO AMP AND MIXER UNIT
---+-----10.7MHz Crystal Filter
----'-----Noise Blanker Circuit
----'----- 455kHz 3rd IF Filter
---~3rd LO Amp and Mixer Circuits
_ __..___,_JB (AM Filter Selector Connector)
NARROW 6kHz
WIDE 15kHz
JBR NARROW
§WIDE

Icom IC-R7000 Specifications

General

Brand	Icom
Model	IC-R7000
Category	Receiver
Language	English