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Icom IC-208H instruction manual Fuse replacement, 20 a

Models: IC-208H

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Page 91

MAINTENANCE 12

PROBLEM	POSSIBLE CAUSE	SOLUTION	REF.
Some memory channels	• The memory channel number has not yet been	• Select the channel via the microphone keypad to	—
cannot be selected via the	programmed.	check whether the channel has been programmed
tuning dial.		or not.

Scan does not operate.	• The squelch is open.	• Set the squelch to the threshold point.	p. 15
	• Only 1 memory channel is programmed or other	• Program other memory channels or cancel the	pgs. 27,
	channels are set as skip channels.	memory skip function in the desired channels.	28, 44
	• Priority watch is activated.	• Cancel the watch.	p. 47

Transmission is automati-	• Time-out timer is activated.	• Set the timer to OFF.	p. 62
cally cut off.

Transmission continues	• One-touch PTT function is activated.	• Turn the function OFF.	p. 18
even when the PTT is re-
leased.

The function display shows	• The CPU is malfunctioning.	• Reset the CPU.	p. 68
erroneous information.


■ Fuse replacement					12
■ Fuse replacement

If the fuse blows or the transceiver stops functioning, ﬁnd the source of the problem if possible, and replace the damaged fuse with a new, rated one (FGB 20 A) as shown at right.

20 A

fuse

76

Image 91

Icom IC-208H instruction manual Fuse replacement, 20 a

Contents

I208H Personal injury, ﬁre or electric shock Word Definition RwarningMay occur Equipment damage may occurOperate this device under FCC regulations PrecautionSupplied Accessories Dtmf Memory Encoder Installation methods InstallationQuick Reference Guide Drill 4 holes where the mounting bracket is to be installed Using the mounting bracketLocation Detach the controller as below Microphone connectionSeparation cable connection Connect the supplied microphone as illustrated belowDrill 2 or 4 holes where the bracket is to be installed Optional MB-58 installationWhen using the optional MB-65 Connecting to a DC Power Supply Battery connectionDC power supply connection Connecting to a DC Power SourceAntenna location Antenna installationAntenna connector Antenna uses a PL-259 connectorYou can select the desired frequency band from the HM-133 Your ﬁrst contactIC-208H has 2 m and 70 cm transmittable bands Push Band to select the desired frequency bandTune the frequency Repeater operation Setting duplexPush Func then CLR AMW Programming memory channelsPush and hold S.MWMW for 1 sec. to program Front panel- controller Panel Description2BAND Switch Band 0MEMORY/CALLPRIORITY Switch M/CALLPRIO4CONTROLLER Release Latch Function display QTRANSMIT IndicatorWDUPLEX Indicators p ETONE Indicators7BUSY Indicator 2MEMORY Channel Number Indicators5S/RF Indicators 6OUTPUT Power IndicatorsAntenna Information Rear PanelData Jack PIN Assignment 1MEMORY/CALL Switch MR/CALL 0BAND Switch BandMicrophone HM-133 Holding Microphone keypadIng the a to D, # and Mkeys Cancels frequency entryCancels the scan or priority watch Ming Ation is performedOptional Microphones HM-118N/TN/TAN Dvfo and memory modes Setting a FrequencyDTurning power ON/OFF PreparationUsing the Y/Z keys Using the tuning dialUsing the keypad Push Setlock to enter set mode Tuning step selectionDMicrophone keypad lock Switch the microphone keypad lock functionLock functions Frequency lockSQL Y DMUTE/ SQL Z #16KEY-L, respectively Basic OperationReceiving Monitor functionSquelch attenuator Push PWR to exit initial set modeRF Indicator Power Output Selecting output powerTransmitting Audio mute function One-touch PTT functionPush PTT to transmit and push again to re- ceive Repeater Operation Repeater operation ﬂow chartGeneral Push and hold PTT to transmit Accessing a repeaterRelease PTT to receive Push Simp 9TSQL to return to simplex opera- tion Set the receive frequency repeater output freSubaudible tones Subaudible tonesSubaudible tone frequency list Hz tone Dtmf tonesPush Band to select the desired frequency SET band Offset frequencyPush Y or Z to set the desired offset Frequency range and offset direction Setting the auto repeater function ON/OFFFrequency range Duplex direction General description Memory OperationMemory channel selection Rotate Dial to select the memory channel to be pro- grammed Programming a memory channelPush S.MWMW for 1 sec. to program Programming a memory channel via the microphone Copying memory contents Rotate Dial to select the target memory channel Example Transferring memory channel 30 contents to channelMemory/callmemory/call Select the memory/call channel to be transferredProgramming channel names Rotate the tuning dial to select the desired characterPush Then push To select the channel. Push Push SET BD-OFF or ENT CT-OFF until ANM appear DTo indicate the channel nameRotate Dial to select the memory channel to be cleared Memory clearingPush S.MWMW momentarily, then push S.MWMW again for 1 sec Rotate Dial to select the desired bank, a to J Rotate Dial to select the contents in the bankPush Y/Z to select the desired contents in the bank Memory bank selectionPush MR/CALL then select the desired mem Memory bank settingOry channel via Y/Z or keypad Transferring bank contents Call channel selection Call Channel OperationCall channel transferring Programming a call channel Scan types Scan OperationPreparation Push VFO/LOCK to select VFO mode forMemory mode for memory scan Scan start/stopExample Programming 145.300 MHz into scan edges 1A Scan edges programmingProgramming scan edges via microphone Push Monidtmf to exit set mode Skip channel settingSelect a memory channel Scan resume condition Rotate Dial to set the desired timerPriority watch types Priority WatchOrity watch starts Push M/CALLPRIO for 1 sec. to stop the watch Priority watch operationPush MR/CALL, then push Scan 2 to start the memory scan Push Monidtmf to exit Dtmf memory programming condition Dtmf Memory EncoderProgramming a Dtmf code Push Monidtmf for 1 sec. to turn the Dtmf encoder onPush VFO/LOCK to exit the programming condition Push Func then LOW 6DTMF to turn Dtmf Dtmf encoder onAutomatic transmission Dtmf memory Transmitting a Dtmf codeTransmitting a Dtmf memory directly Mentarily, then push the desired Dtmf keys A to F Manual transmissionPush DTMF-S again to deactivate the Dtmf direct selection Lect the Dtcs polarity Pocket Beep and Tone SquelchPocket beep operation Waiting for a call from a speciﬁc stationAvailable tone frequency list Calling a waiting station using pocket beepTone/DTCS squelch operation Push TONET-SCAN for 1 sec. to start the tone scan Tone scanSelects the tone type to be scanned Other Functions Set modeTone squelch tone Display dimmerDisplay color Repeater toneDtcs polarity Tuning stepDtcs code Offset frequencyMemory bank setting Scan resume timerMemory name setting Channel skip settingTurns weather alert function on and OFF Program scan skip settingBank link setting Memory bank link functionEntering initial set mode Initial set modeDAuto power OFF Time-out timerKey-touch beep Microphone sensitivity Squelch delayCooling fan control Data transmission speedDtmf speed Active bandNarrow TX function Push Band or MR/CALL to select the desired AM/FM narrow modeWeather alert function Turn the weather alert function OFF in set modeWeather channel operation Weather channel selection1/F-2 keys on HM-133 Default settingMicrophone keys UP/DN keys on a microphonesPartial reset Push Setlock on the master transceiver Cloning between transceiversCloning error Cloning using a personal computerConnect the transceiver and a TNC as illustrated below Packet operationBps packet operation Data speedOther Functions Bps high speed packet operation Increase the TNC output level Adjusting the transmit signal output from TNCTroubleshooting MaintenanceProblem Possible Cause Solution 20 a Fuse replacementFuse Dtransmitter Specifications and OptionsSpeciﬁcations DgeneralOptions OPC-347/OPC-1132 DC Power CablesOPC-600/600R*, OPC-601/601R* Separation Cables Mode Arrangement Mode Arrangement Kamiminami, Hirano-ku, Osaka 547-0003 Japan