![background image](http://html.mh-extra.com/html/icom/ic-718/ic-718_service-manual-addendum_612206150.webp)
TABLE OF CONTENTS
SECTION 1
SPECIFICATIONS
SECTION 2
INSIDE
VIEWS
SECTION
3 DISASSEMBLY INSTRUCTIONS
SECTION 4
CIRCUIT
DESCRIPTION
4 – 1
RECEIVER CIRCUITS ................................................................................................................. 4 – 1
4 – 2
TRANSMITTER CIRCUITS .......................................................................................................... 4 – 4
4 – 3
PLL CIRCUITS ............................................................................................................................. 4 – 6
4 – 4
LOGIC CIRCUITS ........................................................................................................................ 4 – 6
4 – 5
POWER SUPPLY CIRCUITS ....................................................................................................... 4 – 8
4 – 6
CPU PORT ALLOCATIONS ......................................................................................................... 4 – 7
SECTION 5
ADJUSTMENT
PROCEDURES
5 – 1
PREPARATION BEFORE SERVICING......................................................................................... 5 – 1
5 – 2
PLL ADJUSTMENTS ..................................................................................................................... 5 – 2
5 – 3
TRANSMITTER ADJUSTMENTS.................................................................................................. 5 – 4
5 – 4
RECEIVER ADJUSTMENTS ......................................................................................................... 5 – 8
5 – 5
SET MODE ADJUSTMENT ........................................................................................................... 5 – 10
SECTION 6
PARTS
LIST
SECTION 7
MECHANICAL PARTS
AND
DISASSEMBLY
SECTION 8
SEMI-CONDUCTOR
INFORMATIONS
SECTION 9
BOARD
LAYOUTS
9 – 1
MAIN UNIT ................................................................................................................................... 9 – 1
9 – 2
PA UNIT ......................................................................................................................................... 9 – 3
9 – 3
PLL UNIT ...................................................................................................................................... 9 – 3
9 – 4
LOGIC BOARD ............................................................................................................................. 9 – 5
9 – 5
PHONE BOARD ............................................................................................................................ 9 – 5
9 – 6
MIC BOARD .................................................................................................................................. 9 – 5
9 – 7
VR BOARD .................................................................................................................................... 9 – 5
9 – 8
FILTER UNIT ................................................................................................................................. 9 – 7
SECTION 10
BLOCK
DIAGRAM
SECTION 11
WIRING
DIAGRAM
SECTION 12
VOLTAGE
DIAGRAMS
Summary of Contents for IC-718
Page 29: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 19 VOLTAGE DIAGRAM 25 Jun 2011 ...
Page 49: ...Jun 2011 20 C16 CP1 PLL UNIT BOTTOM VIEW FILTER UNIT BOTTOM VIEW PA UNIT BOTTOM VIEW ...
Page 81: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 VOLTAGE DIAGRAM 18 Jul 2009 ...
Page 196: ...9 4 VARISTOR BOARD BOTTOM VIEW PLL UNIT BOTTOM VIEW PA UNIT ...
Page 200: ...9 8 BOTTOM VIEW FILTER UNIT ...
Page 206: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13701MZ C1 q 2000 Icom Inc ...