IC-R9500s.pdf

COMMUNICATIONS RECEIVER

S-14323XZ-C1

Feb. 2007

INTRODUCTION

CAUTION

This service manual describes the latest service information

for the IC-R9500 COMMUNICATIONS RECEIVER at the

time of publication.

NEVER connect the transceiver to an AC outlet or to a DC

power supply that uses more than specified. This will ruin

the transceiver.

MODEL VERSION FREQUENCY COVERAGE (MHz)

DO NOT apply an RF signal of more than 20 dBm (100 mW)

to the antenna connector. This could damage the receiver’s

front end.

[USA]

0.005–821.999999,

851.000000–866.999999,

896.000000–3335.000000

[FRA]

0.0050000–29.999999,

50.200000–51.200000,

87.500000–108.000000,

144.000000–146.000000,

430.000000–440.000000,

1240.000000–1300.000000

IC-R9500

[EUR]

[UK]

[CAN]

[EXP]

[AUS]

0.005–3335.000000

To upgrade quality any electrical or mechanical parts and

internal circuits are subject to change without notice or

obligation.

ORDERING PARTS

REPAIR NOTES

Be sure to include the following four points when ordering

replacement parts:

1. Make sure a problem is internal before disassembling

the receiver.

2. DO NOT open the receiver until the receiver is

disconnected from its power source.

3. DO NOT force any of the variable components. Turn

them slowly and smoothly.

4. DO NOT short any circuits or electronic parts. An

insulated tuning tool MUST be used for all adjustments.

5. DO NOT keep power ON for a long time when the

receiver is defective.

6. READ the instructions of test equipment throughly

before connecting equipment to the receiver.

1. 10-digit order numbers

2. Component part number and name

3. Equipment model name and UNIT name

4. Quantity required

1110006750 S.IC TK14570L IC-R9500 RF-A UNIT 5 pieces

8820001210 Screw 2844 screw IC-R9500 CHASSIS 10 pieces

Addresses are provided on the inside back cover for your

convenience.

Icom Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States the United

Kingdom Germany France Spain Russia and/or other countries.

CONTENTS

SECTION 1 SPECIFICATIONS

SECTION 2 INSIDEVIEWS

SECTION 3 CIRCUITDESCRIPITON

3-1

RECEIVER CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3-2

FREQUENCY SYNTHESIZER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3-3

LOGIC CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3-4

POWER SUPPLY CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3-5

PORT ALLOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

SECTION 4 ADJUSTMENTPROCEDURES

4-1

PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4-2

EXT. S-METER AND REFERENCE FREQUENCY ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . 4-3

4-3

VCO ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4-4

RECEIVE ADJUSTMENT (HF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

4-5

RECEIVE ADJUSTMENT (V/U) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

4-6

RECEIVE ADJUSTMENT (V/U1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

4-7

RECEIVE ADJUSTMENT (V/U2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14

4-8

RECEIVE ADJUSTMENT (TV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21

4-9

RECEIVE ADJUSTMENT (WFM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22

SECTION 5 PARTSLIST

SECTION 6 MECHANICAL PARTS AND DISASSEMBLY

SECTION 7 BOARDLAYOUTS

LOGIC UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

MAMORY BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

ANT, BPF, MIX1, MIX2 UNITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

RF-A, RF-B UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5

VCO-A~C, VCO2, FIL1/2 BOARDS AND PLL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7

SW-A~C, VR-A~F, SENSOR, TENKEY, LED, DISPLAY BOARDS . . . . . . . . . . . . . . . . . . . . . . 7-9

JACK BOARD AND CONNECT-A/B OSC UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11

MAIN, SCOPE/TV, DC-DC UNITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13

CONTENTS (continued)

SECTION 8 WIRINGDIAGRAM

SECTION 9 BLOCKDIAGRAM

SECTION 10 SCHEMATICDIAGRAM

LOGIC UNIT AND MAMORY BOARD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6

VCO-A~C, VCO2, FIL1/2 BOARDS AND PLL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10

ANT, BPF, RF-A, RF-B, MIX1, MIX2 UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-15

SW-A~C, VR-A~F, SENSOR, TENKEY, LED, DISPLAY,

JACK BOARD AND CONNECT-A/B UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-21

OSC, SCOPE/TV, DC-DC, REG UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-23

SECTION 1

SPECIFICATION

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s/PERATINGMODE 53",3"#7&3+!-&-7&-0

s.UMBEROFMEMORYCHANNELS REGULARCHANNELSAUTOMEMORYWRITE

CHANNELSSKIPCHANNELSSCANEDGECHANNELS

s!NTENNACONNECTOR 4YPE.sANTENNAIMPEDANCE7

3/sANTENNAIMPEDANCE7

0HONO2#!sANTENNAIMPEDANCE7

s/PERATINGTEMPERATURERANGE #TO#&TO&

s&REQUENCYSTABILITY ,ESSTHANÒPPM APPROXMINAFTERFROMTURNTHE

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s&REQUENCYRESOLUTION (Z

s0OWERSUPPLYREQUIREMENT 6666!#

s0OWERCONSUMPTION

2ECEIVE 3TANDBY ,ESSTHAN6!

-AXAUDIO ,ESSTHAN6!

s$IMENSIONS PROJECTIONSNOTINCLUDED ssMM s s IN

s7EIGHT

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s!##CONNECTOR

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s$!4!).CONNECTOR

PIN$).CONNECTOR

s$ISPLAY

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s%84$)30,!9CONNECTOR

$SUB3

s23#CONNECTOR

$SUBPIN

s6)$%/).CONNECTOR

0HONO2#!

s6)$%//54CONNECTOR

0HONO2#!

s30%%#(/54CONNECTOR

0HONO2#!

s,).%/54CONNECTOR

0HONO2#!

s53"CONNECTOR

53"5NIVERSAL3ERIAL"US

s#)6CONNECTOR

CONDUCTORDMM q

s!.43%,CONNECTOR

CONDUCTORDMM q

s$%4/54CONNECTOR

CONDUCTORDMM q

s%8430CONNECTORS

CONDUCTORDMM q7

s2%#2%-/4%CONNECTOR

CONDUCTORDMM qs

&RONTANDREARPANELS

s2%#/54CONNECTOR

CONDUCTORDMM q

s0(/.%3CONNECTOR

CONDUCTORDMM q

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