Icom IC-F11 Guida

Adjustment for FX-2463 (IC-F11)

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref.No. CK.Point

Preparation Connect the transceiver by cloning cable

(OPC-478) to a PC (IBM compatible) and

boot up the cloning software.

Check points Be sure to use a tester with more than 50

ohm/Vinternalresistancewhenmaking

each test.

Lock Voltage Set the transceiver to the highest

Adjustment band frequency on the TX condition, and set

theLVvoltageasfollowsbymeansof

spreadablecoilL16.

Adj.Freq. Highest.BandFreq.

TXSide 4.0V 4.0V L16

Lock Voltage Set the transceiver to the lowest

Check band frequency, and check that each of

theLVvoltageiswithinasfollows.

Adj.Freq. Lowest BandFreq.

RXSide 0.8V~1.8V 0.8V-1.8V LV

TXSide 0.8V~1.8V 0.8V-1.8V

Frequency Connectapowermeterorattenuatortothe

Adjustment antennaterminal.LoosecouplingtheANT

and frequency counter.

Set the transceiver to near the TX greatest

highbandfrequencyandsettheunittoTX.

UseadjustmentsoftwaretoadjusttheTX

frequencytothevaluesbelow.

Set Frequency Center Freq. ± 500 Hz ±500Hz Adj.Soft ANT Con

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

TX Output Adjust so that the transceiver power voltage

Adjustment isstablewiththevoltagefromthepower

terminalat7.5VduringTX.

Useadjustmentsoftwaretoadjustthe

adjustment output to the values below.

Adj.Freq. GreatestLowBandFreq.

HiPower 5.0W 5.0W Adj.Soft ANTCon

L2Power 2.0W 2.0W

L1Power 1.0W 1.0W

TX Output Check Check that the in-band TX output is within

thespecificationsbelow.

HiPower 4.0~6.0W 4.0-6.0W ANTCon

L2Power 1.2~2.8W 1.2-2.8W

L1Power 0.5~2.0W 0.5-2.0W

Current Check at Check that the in-band power consumption

TX iswithinthespecificationsbelow. 4.0-6.0W ANTCon

Hi Power Less than 2.0A Less 2.0A PWR Con

L2 Power Less than 1.5A Less 1.5A

L1 Power Less than 1.2A Less 1.2A

Checking Spurious Connect a spectrum analyzer to the ANT

terminal through an attenuator. Set the

attenuationsothatthespectrumanalyzer

doesnotdistort.

Set the transceiver to TX and when at Hi

power, check that spurious is less than the

valuebelowinthebandwidth.

Spurious Less than –65dB of the Less than ANT Con

fundamental wave -65 dB

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

Preparation for When there is no particular set limits, set

Checking Modula- the modulation analyzer for adjustment and

tion Adjustment checking as below.

HPF OFF

LPF 20kHz

De-Emphasis OFF

Detector (P±P)/2

Connect the modulation analyzer set at the

above conditions, through the attenuator to

the antenna terminal. Connect an oscillo-

scope, distortion meter and a level meter to

the modulation analyzer’s detection output

terminal.

Connect a millivolt meter or a 600 ohm out-

put impedance CR oscillator to the trans-

ceiver’s mic terminal.

Deviation Set the CR oscillator to a 1 kHz sine wave,

Adjustment 150mVrms, and input from the external mic

terminal. Set the transceiver to TX and use the

adjustment software to adjust to the following values.

Adjust.Freq. NearCenterFrequency ±4.05~ Adj.Soft ANTCon

WIDE ± 4.10 ± 0.05 kHz ±4.15kHz

NARROW ±2.10 ±0.05kHz ±2.05~

±2.15kHz

Modulation Balance Use the adjustment software to adjust the

Adjustment modulation analyzer’s detection output horizontal

line so that it becomes a straight line as below

Adjust.Freq. NearCenterFrequency

Detection Adj.Soft ANTCon

Output

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

Checking Deviation Check that the deviation in the bandwidth is as the

values below.

±3.6~ Adj.Soft ANTCon

WIDE ±3.60~4.50kHz ±4.5kHz

NARROW ±1.80~2.30kHz ±1.8~

±2.3kHz

Checking Modula- Check that the modulation in the bandwidthtion is as

the value below

WIDE/NARROW 7~20mVrms 7~20mV ANTCon

rms

Checking CTCSS/ Connect a linear detector via the attenuator

DTCS/5 TONE/ to the antenna terminal, then reset so that

DTMF DEVIATION each signaling type can be output.

DTCS CODE 007

CTCSS 88.5Hz

5 TONE CCIR 11111

DTMF #(AutoDialSetting)

Setthelineardetectortothefollowing.

HPF OFF

LPF 20kHz

De-emphasis OFF

Level Meter (P/P)/2

Transmit while making sure no input is

appliedtothemic(ormicterminal),and

check that each version in it’s bandwidth

isasthevaluesbelow,respectively.

Wide CTCSS/DTCS ± 0.50~± 0.90kHz ±0.5-0.9kHz ANT Con

Wide 2/5 TONE/ ± 2.40~± 3.60kHz ±2.4-3.6kHz

DTMF

Narrow CTCSS/DTCS ± 0.25~± 0.45kHz ±.25-.45kHz

Narrow 2/5 TONE/ ± 1.20~± 1.80kHz ±1.2-1.8kHz

DTMF

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

Checking TX S/N Connect a linear detector via the attenuator

to the antenna terminal, and set to the conditions

below.

HPF 50Hz

LPF 20kHz

De-emphasis OFF

Level Meter (P/P)/2

Applya1kHzsignalfromthelowfrequency

oscillator to the antenna terminal, and

transmit,thenadjustthelowfrequency

oscillator output level so that the maximum

modulation is 70%.

Check that the TX S/N in the bandwidth is

asthevaluesbelow.

WIDE Morethan40dB Over40dB ANTCon

NARROW Morethan34dB Over34dB

Adjusting RX When there is no particular set limits, set

Sensitivity theRXadjustmentsandsignalgenerator

when checking to the settings below.

Modulation Freq. 1kHz

WIDE ±3.5kHz

NARROW ±1.5kHz

Setthesignalgeneratorinthefollowing

wayforwidechannels.

AdjustFreq. NearGreatestLobandF.

SG Input level +20 dBu

Connect an 8 ohm non-inductive load and Adj. Soft RSSI line

a distortion meter to the external speaker

terminal.AdjustBPF(T1)~(T4)withthe

adjustmentsoftware,sothatthesensitivity

isatmaximum.

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

Checking RX Check that the signal generator level when

Sensitivity theRXfrequencybandwidthbecomes12dB

SINAD,isthevaluebelow.

RX Sensitivity Less than -10 dBu Less -10dB ANT Con

Use the same check method for Narrow

channelsalso.

Adjusting the Next, set the transceiver to the RX frequency

Squelch bandwidth’swidebandcenterfrequency.

Setthesignalgeneratortothesettings

below.

Modulation Freq. 1kHz

WIDE ±3.5kHz

NARROW ±1.75kHz





SG Output Level -14 dBu

In this condition, using the adjustment

software,raisethesquelchD/Avalueuntil

the squelch closes once, then lower the D/A

valueagain,andadjustuntilthesquelch

openingpoint.

Checking Squelch Check that the squelch opening point value

Sensitivity intheRXfrequencybandwidthisasbelow.

Squelch Sensitivity Less than –10 dBu Less-10dB Adj. Soft ANT Con

Next,reducethesignalgeneratoroutput

and check that the squelch closes in the RX

bandwidth.

ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

Checking AF Output Set the signal generator output level to

+60 dBu. The transceiver and SG connection

isthesameasthesquelchadjustmentabove.

Adjust the transceiver volume until the

distortionmeterreads5%.

Check that the AF output value at this point

asbelow.

Over

AFOutput Morethan0.35W 0.35W

@8ohm

load

Checking RX S/N Set the signal generator output level to

+60dBu.AdjusttheAFvolumesothatthe

AFoutputis50%oftheratedvalue.

Check that the RX S/N in the bandwidth is

asthevaluesbelow.

WIDE Morethan40dB Over40dB

NARROW Morethan34dB Over34dB

Checking Howling Set the signal generator output to +60 dBu

as in RX adjustment, and for non-modulation.

Next, set the internal speaker for operation,

andturntheAFvolumeuptomaximumto

check that howling does not occur.

Checking Maximum While still in the AF output check status,

RXCurrent rotatethevolumecontrolclockwisetoobtain

the maximum AF output. Check that the

current consumption at this time is as the

value below.

Max. RX Current Less than 300 mA Less than PWR Con

300mA

. ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

Checking Standby Without connecting anything to the ACC

Power Consumption socket, check that the standby power con-

sumptionisasthevaluebelow.

Standby Current Less than 70 mA Less than PWR Con

70mA

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