Icom IC-FR3000 Series, Service Manual

Page: 72 / 136

TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 CIRCUIT DESCRIPTION
3 - 1 RECEIVER CIRCUITS ................................................................................................... 3 - 1
3 - 2 TRANSMITTER CIRCUITS ............................................................................................ 3 - 3
3 - 3 PLL CIRCUITS................................................................................................................. 3 - 4
3 - 4 THE OTHER CIRCUITS .................................................................................................. 3 - 5
3 - 5 POWER SUPPLY CIRCUITS ......................................................................................... 3 - 5
3 - 6 PORT ALLOCATIONS .................................................................................................... 3 - 6
SECTION 4 ADJUSTMENT PROCEDURES
4 - 1 PREPARATION................................................................................................................ 4 - 1
4 - 2 PLL ADJUSTMENST ...................................................................................................... 4 - 4
4 - 3 RECEIVER ADJUSTMENT ............................................................................................ 4 - 6
4 - 4 SOFTWARE ADJUSTMENT............................................................................................ 4 - 7
SECTION 5 PARTS LIST
SECTION 6 OPTION UNIT INSTALLATION
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
9 - 1 FRONT UNIT.................................................................................................................. 9 - 1
9 - 2 VR UNIT ......................................................................................................................... 9 - 1
9 - 3 TVCO UNIT .................................................................................................................... 9 - 1
9 - 4 RVCO UNIT.................................................................................................................... 9 - 1
9 - 5 LOGIC UNIT ................................................................................................................... 9 - 3
9 - 6 RX UNIT ......................................................................................................................... 9 - 5
9 - 7 TX UNIT ......................................................................................................................... 9 - 7
9 - 8 50PA UNIT...................................................................................................................... 9 - 9
9 - 9 VARISTER UNIT ............................................................................................................ 9 - 9
9 - 10 REG UNIT ...................................................................................................................... 9 - 11
9 - 11 JACK1 UNIT ................................................................................................................... 9 - 11
9 - 12 JACK2 UNIT ................................................................................................................... 9 - 11
SECTION 10 BLOCK DIAGRAM
SECTION 11 VOLTAGE DIAGRAM