SERVICEMANUALCOMMUNICATIONS RECEIVER

RECEIVER CIRCUITS

PLL CIRCUITS

LOGIC CIRCUITS

POWER SUPPLY CIRCUITS

PORT ALLOCATIONS

PREPARATION

PLL ADJUSTMENT

RECEIVER ADJUSTMENT

SET MODE ADJUSTMENT

logic board

FRONT UNIT

main unit

MAIN UNIT

PLL UNIT

display unit

PHONE AND VR BOARDS

DISPLAY BOARD

LOGIC BOARD

Icom IC-R75 Service Manual

specifications

IC-R75

supplied accessories

Front panel

Function display

PANEL DESCRIPTION ................................... 2

Grounding

Connections

Antenna connection

INSTALLATION AND CONNECTIONS ......... 7

Read me ﬁrst

Frequency setting

Dial lock function

Mode selection

Twin PBT operation

Preamp

CW reverse mode

Filter selection

Filter set mode

Optional noise reduction function

Memory channels

Memory channel programming

Frequency transferring

Memory names

Scan types

Programmed scan operation

SCANS ........................................................ 25

Setting the current time

CLOCK AND TIMERS ................................. 28

Set mode description

scan resume

SET MODE .................................................. 30

Opening the receiver's case

UT-106 DSP UNIT

Troubleshooting

MAINTENANCE ........................................ 36

SPECIFICATIONS

OPTIONS

Remote jack (CI-V) information

command table

PANEL DESCRIPTION

Rear panel

INSTALLATION AND CONNECTIONS

FSK and AFSK (SSTV) connections

FREQUENCY SETTING

RECEIVE FUNCTIONS

Scan

SCAN]

CLOCK AND TIMERS

Setting power-off time

SET MODE

MAINTENANCE

Fuse replacement

CONTROL COMMAND


Contents Table Of Contents RECEIVER CIRCUITS PLL CIRCUITS LOGIC CIRCUITS POWER SUPPLY CIRCUITS PORT ALLOCATIONS PREPARATION PLL ADJUSTMENT RECEIVER ADJUSTMENT SET MODE ADJUSTMENT logic board FRONT UNIT main unit MAIN UNIT PLL UNIT display unit PHONE AND VR BOARDS DISPLAY BOARD LOGIC BOARD	SERVICEMANUALCOMMUNICATIONS RECEIVER Next / 51