Kenwood KRC-709 Instruction Manual Download Page 35

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Troubleshooting Guide

What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring.
Before calling service, first check the following table for possible problems.

SOLUTION

POSSIBLE CAUSE

PROBLEM

Nothing happens when the
buttons are pressed.

The computer chip in the unit is not functioning normally.

Press the reset button on the unit (see p. 4).

The antenna control wire is not connected.

Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".

Radio reception is poor.

The car antenna is not extended.

Pull the antenna out all the way.

The power does not turn on.

The fuse has blown.

After checking for short circuits in the wires, replace the
fuse with one with the same rating.

The memory is erased when
the ignition is turned off.

The battery wire has not been connected to the proper
terminal.

Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".

The ignition and battery wire are incorrectly connected.

The faceplate does not open or
close.

The faceplate is incorrectly attached.

Reattach the faceplate correctly, See the section on
"Removing the Faceplate".(page.10)

Free switching of the sound
quality.

The system Q function is set on Scan mode.

Refer to the “System Q” page and switch it to a
function other than Scan mode. (see p. 7).

Audio control setting cannot be
achieved.

The system Q function is set on Scan mode.

Refer to the “System Q” page and switch it to a
function other than Scan mode.(see p.7).

KRC-709_U.S_m2 00.12.26 3:30 PM Page 35

Summary of Contents for KRC-709

Page 1: ... serial number found on the back of the unit in the spaces designated on the warranty card and in the space provided below Refer to the model and serial numbers whenever you call upon your KENWOOD dealer for information or service on the product Model KRC 709 Serial number CASSETTE RECEIVER INSTRUCTION MANUAL AMPLI TUNER LECTEUR DE CASSETTE MODE D EMPLOI RADIO CASSETTE MANUAL DE INSTRUCCIONES KRC ...

Page 2: ...rol features Playing Disc mode 18 Switching Display for Discs 18 Fast Forwarding and Reversing Disc Play 18 Track Search 19 Disc Search 19 Track Disc Repeat 19 Track Scan 20 Random Play 20 Magazine Random Play 20 Presetting Disc Names DNPS 20 Disc Name Preset Play DNPP 22 Text Title Scroll 22 Menu settings Menu System 23 Security Code 24 Touch Sensor Tone 25 Manual Time Adjustment 25 Selectable Il...

Page 3: ... the prescribed rating Using a fuse with the wrong rating may cause your unit to malfunction To prevent a short circuit when replacing a fuse first disconnect the wiring harness Do not place any object between the faceplate and the unit Do not use your own screws Use only the screws provided If you use the wrong screws you could damage the unit Do not apply excessive force to the moving faceplate ...

Page 4: ... with a dry soft cloth such as a silicon cloth If the faceplate is stained badly wipe the stain off with a cloth moistened with neutral cleaner then wipe neutral detergent off Applying spray cleaner directly to the unit may affect its mechanical parts Wiping the faceplate with a hard cloth or using a volatile liquid such as thinner or alcohol may scratch the surface or erases characters 2CAUTION C...

Page 5: ... moving faceplate is hit by an object it will stop and return to its original state Remove the object and repeat the action The status of the security code function page 24 is display whenever the power is switched on CODE ON Security code has been registered CODE OFF Security code has not been registered Using the Unit in Vehicles with Covered Consoles Make sure the console is uncovered while the...

Page 6: ...unctions off while leaving the power to the unit on Use this mode when you want to have the display illuminated but don t want to listen to anything The mode switches to the next mode from any mode which cannot be used The external disc control mode will differ depending on the unit that is connected To enable the selection of External disc control mode 2 AUX mode you should connect optional switc...

Page 7: ...ach time you press the Q button the preset sound setting switches as follows As you proceed each indicator would go on The System Q function changes the values of the following sound quality parameters Bass center frequency bass level bass quality factor bass extend middle center frequency middle level middle quality factor treble center frequency and treble level Their setting values are differen...

Page 8: ...el of each source decreased Right channel emphasized Left channel emphasized Adjust various parameters of sound quality Press the AUD button for at least one second to enter the control mode Selecting mode Press either the FM or AM button Each time the button is pressed the adjustment mode will change as follows Pressing the FM button advances the display and pressing the AM button reverses it Sou...

Page 9: ...e SRC button to turn the unit back on then turn it off again to have it close properly Do not try to press the buttons on the control panel as the faceplate is moving as excessive force may damage the unit During the forced closing of the unit i e having the unit left closed while ignition is turned on the faceplate will not open no matter how often the ignition is turned on or off You can prevent...

Page 10: ...aceplate pull it out during the period which you have set in the Time setting for removing the faceplate page 26 in the menu The faceplate bracket will automatically close When removing the faceplate pull it out only when it is fully open The detachment of the faceplate while it is moving might result in damage to the unit Do not apply excessive force to the faceplate bracket without attaching the...

Page 11: ...AN B NR B S RDM REP MTL M RDM ANG LOUD DISP NAME S PWR OFF AUTO AME PROG SRC FM 4 AM DISP NAME s AUTO AME 1 6 38 Frequency AUTO indicator ST indicator Band display Preset station number KRC 709_U S_m2 00 12 26 3 30 PM Page 11 ...

Page 12: ...et Memory received You can choose from three tuning modes auto seek preset station seek and manual The AUTO 1 indicator lights up when auto seek tuning is selected and the AUTO 2 indicator lights when preset station seek tuning is selected Selecting Tuning Mode Press the AUTO button Each time you press the AUTO button the mode switches as follows Tuning Press the SRC source button repeatedly to se...

Page 13: ... Preset Memory Up to 32 FM stations and 16 AM stations can be assigned names Adjust the frequency to the station whose name you want to enter Press the NAME S button for at least two seconds NAME SET is displayed once the station name preset mode is entered The cursor will blink in the position where letters are entered Press either the 4 or button to move the cursor to the desired position The 4 ...

Page 14: ...button to stop tape play The faceplate will slide to eject the tape Press the 0 EJECT button to close the faceplate When the faceplate has been slid open it might interfere with the shift lever or something else If this happens pay attention to safety and move the shift lever or take an appropriate action then operate the unit The sound will be temporarily muted while the faceplate is moving Remov...

Page 15: ...y detecting the blank space preceding it the space between tracks However when the blank space lasts for less than four seconds or contains noise DPSS may not operate correctly Furthermore quiet intervals within a song are detected as blank spaces if they last for four seconds or more Canceling DPSS While It Is Operating Press the 38 button NOTE Using Direct Program Search System DPSS Select type ...

Page 16: ...s function is on when unit is first powered on Turning Blank Skip Function On Off Press the B S button to switch the blank skip function on and off B Skip ON is displayed when the blank skip function is turned Blank Skip Directly input the number of tracks to skip during playback Enter the number of tracks you want to skip using the number buttons on the remote Up to nine tracks can be skipped Pre...

Page 17: ...imation of the elapsed time NOTE Play side Tape counter Play side Tape running Play side 17 AUD SCAN B NR B S RDM REP MTL M RDM ANG LOUD DISP NAME S PWR OFF AUTO AME PROG FM SRC 38 4 AM SCAN RDM REP M RDM DISP NAME S Disc number Track time Track number KRC 709_U S_m2 00 12 26 3 30 PM Page 17 ...

Page 18: ...displayable NOTE Track time Disc name DNPS only when being preset Disc title Units featuring CD text MD only Track title Units featuring CD text MD only Switch the display that appears while discs are playing Switching Display for Discs Each time you press the DISP button the display during disc play switches as follows Switching Display for Discs This function permits the connection of optional p...

Page 19: ...rward or backward through the discs in a disc changer Making a Reverse Disc Search Disc Search Search forward or backward through the tracks on the disc until you reach the one that you want to listen to Making a Reverse Track Search Press the 4 button to display the desired track number Press once to search back to the beginning of the current track twice to search back to the beginning of the pr...

Page 20: ...aded in the disc magazine NOTE 2 1 Magazine Random Play Play all the tracks on the current disc in random order Press the RDM button to switch random play on and off Random ON is displayed when random play is turned on The track number will change over and over in the display as the next track is being selected When the track has been selected play will begin The selected track number blinks in th...

Page 21: ...so far The number of characters and discs whose names can be stored will differ depending on the disc changer that is connected Please see your disc changer manual for details Discs are identified by their total length and number of tracks If another disc happens to have the same specifications as one that you have already stored a name for the name will be displayed for it too If you want to chan...

Page 22: ...n any of the units that are connected discs that have not been disc name preset will display NO NAME This function can only be used in disc changers that were manufactured or sold as of 1997 Also note that some units cannot provide a display unless the disc name preset has been made by the unit that is playing Discs in the disc changer that have never been played before will appear as NO ACCESS wh...

Page 23: ...tems change in the order of features that follow in the menu system Example If you want to switch the setting of the touch sensor tone function from on to off first search through the functions until you see Beep ON in the display Changing setting for currently displayed function Press either the 4 or button The setting will change for each function Example The setting of the touch sensor tone wil...

Page 24: ... 6 2 2 3 2 4 4 1 3 5 1 0 When the battery is removed from the unit s power switch you cannot turn on the unit again unless the preset security code is input This function helps prevent theft You must follow steps 1 to 8 to be able to use the Security Code function Turning off the power during the procedure will deactivate the security code setting Once the security code function has been activated...

Page 25: ...he time manually Display and setting Select the display Clock Adjust during the selecting function in the menu system Press either the 4 or button for at least one second to enter the Manual time adjustment mode The time display will blink Adjusting the hours Press the FM button to advance the hours or press the AM button to make the hours go back Adjusting the minutes Press the button to advance ...

Page 26: ... lines may cause unstable sound quality when CRSC is turned on In such a situation turn it off NOTE Clean Reception System Circuit CRSC In FM reception of Tuner mode You can set the interval during which the open control panel cannot reverse to be hidden During the period you have set the faceplate can be removed from the faceplate bracket Display and setting Off Wait 0s 3s Default setting 5s 10s ...

Page 27: ...tore unused batteries out of the reach of children Contact a doctor immediately if the battery is accidentally swallowed The provided batteries are intended for use in operation checking and their service life may be short When the remote controllable distance becomes short replace both of the batteries with new ones A portion of the operations may not be possible depending on the unit that is con...

Page 28: ...om any mode which cannot be used The external disc control mode will differ depending on the unit that is connected To enable the selection of External disc control mode 2 AUX mode you should connect optional switching adapter KCA S210A which allows you to select both External disc control mode 2 and AUX mode or CD changer KDC CPS87 KDC CX87 KDC CPS85 KDC CX85 KDC CPS82 or KDC CX82 or switching ad...

Page 29: ...on again to start play again Selects the type of characters at the time of entering the disc name OK button During disc name input stores the already input data in memory and ends the input mode Selects disc during the disc name preset play mode External disc control features 4 buttons Press the 4 button to start play again at the beginning of the current track Press the button to start play at th...

Page 30: ... console has a lid make sure to install the unit so that the faceplate will not hit the lid when closing and opening If the fuse blows first make sure the wires aren t touching to cause a short circuit then replace the old fuse with one with the same rating Do not let unconnected wires or terminals touch metal on the car or anything else conducting electricity To prevent a short circuit do not rem...

Page 31: ...1 White Black Gray Black Green Black Purple Black White Gray Green Purple To front left speaker To front right speaker To rear right speaker To rear left speaker Ignition wire Red Battery wire Yellow Ground wire Black To car chassis Ignition key switch Car fuse box Main fuse ACC Car fuse box Battery If no connections are made do not let the wire come out from the tab Front left output White Front ...

Page 32: ...sections than the corners otherwise troubles such as the impossibility of opening or closing the panel may result 2CAUTION F Refer to the section Removing the faceplate page 10 and then reattaching the faceplate Never insert the taptite screws ø2 4 mm in any other screw holes than the one specified If you insert it in another hole it will contract and may cause damage to the mechanical parts insid...

Page 33: ...t pressing towards the inside 4 Pull the unit all the way out with your hands being careful not to drop it 5 Be careful to avoid injury from the catch pins on the removal tool 2CAUTION Catch facing up Refer to the section Removing the hard rubber frame and then remove the hard rubber frame Remove the Hex head screw with integral washer M4 8 on the back panel Insert the two removal tools deeply int...

Page 34: ...ry8 J Car Bracket follow indications for L R Accessory9 J Car Trim Plate place thick part on bottom Factory installed Radio Bracket Factory installed Radio Bracket Installation Japanese cars For Toyota Car After aligning the factory installed radio bracket tighten the screws A J Car Bracket Accessory 8 is not used when fitting in a Toyota car Damage to the unit will result from using screws other ...

Page 35: ...the fuse with one with the same rating The memory is erased when the ignition is turned off The battery wire has not been connected to the proper terminal Connect the wire correctly referring to the section on Connecting Wires to Terminals Connect the wire correctly referring to the section on Connecting Wires to Terminals The ignition and battery wire are incorrectly connected The faceplate does ...

Page 36: ... speaker wires so that each output terminal is connected to a different speaker One of the speaker wires is being pinched by a screw in the car Check the speaker wiring Attenuator is turned on Turn off Attenuator The tape does not go in No sound can be heard even though the tape display is made The car ignition was turned off during tape eject or the tape was pulled out during loading switching th...

Page 37: ...layed but no sound can be heard The specified track will not play Random play or magazine random play has been selected Turn off random play or magazine random play SOLUTION POSSIBLE CAUSE PROBLEM Track repeat disc repeat track scan random play and magazine random play start by themselves The setting is not canceled The settings for these functions remain on until the setting to off or the disc ej...

Page 38: ...rvice center E 77 The protective circuit in the unit activates when the temperature inside the automatic disc changer exceeds 60 C 140 F stopping all operation Cool down the unit by opening the windows or turning on the air conditioner As the temperature falls below 60 C 140 F the disc will start playing again Hold Error No disc has been loaded in the disc magazine Load a disc into the disc magazi...

Page 39: ... Flutter WRMS 0 08 Frequency response 3 dB 70 µs 30 Hz 20 kHz Separation 1 kHz 43 dB Signal to Noise ratio Dolby NR OFF 57 dB Dolby B NR ON 65 dB Audio section Maximum output power 47 W 4 Full Bandwidth Power at less than 1 THD 22 W x 4 Tone action Bass 100 Hz 10 dB Middle 1 kHz 10 dB Treble 10 kHz 10 dB Preout level Load during disc play 1800 mV 10 kΩ Preout impedance 600 Ω General Operating volt...

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