Icom IC-F4TR Service Manual - page 3
TABLE OF CONTENTS
SECTION 1
SPECIFICATIONS
SECTION 2
INSIDE
VIEWS
SECTION
3 DISASSEMBLY INSTRUCTION
SECTION 4
CIRCUIT
DESCRIPTION
4 – 1
RECEIVER CIRCUITS ................................................................................................................... 4 – 1
4 – 2
TRANSMITTER CIRCUITS ............................................................................................................ 4 – 2
4 – 3
PLL CIRCUIT ................................................................................................................................. 4 – 3
4 – 4
POWER SUPPLY CIRCUITS ......................................................................................................... 4 – 3
4 – 5
CPU PORT ALLOCATIONS ........................................................................................................... 4 –
SECTION 6
PARTS
LIST
SECTION 7
MECHANICAL PARTS
AND
DISASSEMBLY
SECTION 8
SEMI-CONDUCTOR
INFORMATIONS
SECTION 9
BOARD
LAYOUTS
9 – 1
MAIN UNIT ..................................................................................................................................... 9 –
9 – 2
VR BOARD .................................................................................................................................... 9 –
SECTION 10
BLOCK
DIAGRAM
SECTION 11
VOLTAGE
DIAGRAM