Kenwood KR-V8090, KR-V9090 Case of difficulty, Resetting the Microcomputer, Amplifier, Tuner

Page 55

In case of difficulty

Resetting the Microcomputer

If the microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the microcomputer and return the unit to its normal operating condition.

KR-V9090/8090 (En/T)

With the power cord plugged in, turn the POWER key

5

5

 

 

OFF. Then, while holding down the ON/STANDBY key,

 

 

press POWER.

 

 

 

 

 

•Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory.

Amplifier

Symptom

 

Cause

 

Remedy

 

 

 

 

 

No sound from the speakers.

•

The speaker cords are disconnected.

• Connect them properly referring to “Connect-

 

 

 

 

ing the speakers”

@

 

• VOLUME is set to the minimum position.

•

Adjust the volume to a proper level.

 

 

• MUTE is ON.

• Turn OFF the MUTE.

(

 

• The SPEAKERS switches are set to OFF.

• Set the SPEAKERS switch(es) to ON. *

 

 

 

 

 

The standby indicator blinks and sound is

•

Speaker cords are short-circuited.

• Turn the power off, eliminate the

short-

not output.

 

 

 

circuiting, then turn on the power again.

 

 

 

 

 

@

 

 

 

 

 

Sound is not output from one of the speak-

•

The speaker cord is disconnected.

•

Connect it properly referring to “Connecting

ers.

 

 

 

the speakers”.

 

 

• The speaker balance is set to an extreme

• Adjust the speaker levels using the test tone.

 

 

position.

 

 

%

 

 

 

 

Sound is not output from the rear (sur-

• The rear speaker cords and/or the center

•

Connect it properly referring to “Connecting

round) speakers and/or the center speaker,

 

speaker cord is disconnected.

 

the speakers”.

 

or their sound is very small.

• A surround mode has not been engaged.

• Select a surround mode.

 

 

• The rear and/or center volume controls are set

• Adjust the speaker levels using the test tone.

 

 

to the minimum level.

 

 

%

 

 

 

 

 

A humming noise is generated when the

•

The audio cord from the turntable is not con-

•

Insert the audio cord plugs securely into the

PHONO input selector is selected.

 

nected to the PHONO jacks.

 

PHONO jacks.

 

 

•

The turntable is not grounded.

• Connect the grounding wire to the GND termi-

 

 

 

 

nal on the rear panel.

 

 

 

 

 

 

 

Tuner

Symptom

 

Cause

 

Remedy

 

 

 

 

Radio Stations cannot be received.

• No antenna is connected.

•

Connect an antenna.

 

•

The broadcast band is not set properly.

•

Set the broadcast band properly.

 

• The frequency of the desired station is not

•

Tune the frequency of the desired station.

 

 

tuned.

 

£

 

 

 

 

Interference.

•

Noise due to ignition noise from an automo-

• Install the outdoor antenna away from the

 

 

bile.

 

road.

 

• Noise due to interference from an electric

•

Turn off the power to the appliance.

 

 

appliance.

 

 

 

•

Noise due to a nearby TV set.

•

Install the receiver farther away from the TV.

 

 

 

 

A station which was preset cannot be re-

• The preset station belongs to a frequency that

•

Preset a station with a receivable frequency.

ceived by pressing the corresponding nu-

 

cannot be received.

 

 

meric key.

• The preset memory was cleared because the

•

Preset the station again.

 

 

power cord had been unplugged for a long

 

 

 

 

period of time.

 

 

 

 

 

 

 

continued on next page

Other

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Contents KR-V9090 KR-V8090 About the supplied remote controlUnpacking Safety precautionsAccessories Getting startedContents RDS Radio Data System tuner Special featuresUniversal IR InfraRed remote control True home theater soundSpecial features How to use this manualNew Traitr transistor adopted in the final stage ON/STANDBY About the Standby indicatorMHz Names and functions of partsNames and functions of parts Connecting the antennas Setting up the systemSystem Control jacks Connecting audio componentsMicrocomputer malfunction 6CH input M.INPUTSetting up the system Connecting video componentsRegistering setup codes for Kenwood audio components Connecting the system controlFront speaker impedance Connecting the speakersSpeaker impedance Front Speakers aOperating distance Preparing the remote controlPRE OUT connections Loading the batteriesSUB on Surround setupRecommended speaker installation PRO LOG IC SurroundLch What is delay time?How to calculate the proper delay time TEsTWall HA RD DSP mode setupArena DSP EffectINLVL-3 dB Surround Input level adjustmentAdjust the Room size Room ME DListening to a source component SP. a B PhonoVOL -6 dB Normal playbackAdjusting the sound Source Direct playback Listening with headphones6CH.INPUT playback KR-V9090 only SP. a B VIDEO2VIDEO2 SP. a B Adpt onRecording a music source RecordingRecording audio Recording video89. FM Tuning non-RDSradio stationsListening to radio broadcasts Press the Direct key Tuning radio stations by frequency Direct tuningListening to radio broadcasts 3Enter the frequency12.5MHz Using the Display key92.5 MHz BBCStore the stations automatically Presetting RDS stations RDS Auto MemoryReceiving preset RDS stations Set the broadcast band to FMFor 15, press For 20, press Presetting radio stations manuallyReceiving preset stations in order P.CALL Enter a preset number 1~40Select the program type you desire Tuning by program type PTY searchActivate the PTY search mode NEWsExample Searching for a Rock Music broadcast To select another program typeListening to radio broadcasts Start the searchReserving the desired information BBCPreparation TP Traffic Program indication To cancel EON reservationWhen listening to the tuner Turn the TA, News and INFO. indicators offSound modes Ambience effectsConvenient functions Surround playAmbience effects PreparationsSource Direct key Listen Mode keySubwoofer adjustment Press to switchLow battery warning Getting the most from your remote controlRegistering setup codes for other components Find the setup code of the component to be registered4Enter the setup code Getting the most from your remote controlVIDEO1 VCR CD CD TV1 VIDEO2 VCR Operating other componentsVideo key Audio key TV key Press the operation keys you desire3Execute the desired operations Changing confirming the operation modePress Shift Select the component to be controlledActivate the macro program mode Make a plan of the macro play you want to set upPerform each of the following steps within 5 seconds SP. a Macro Getting the most from your remote control3Select where the macro should be stored Terminate the macro program modePress the Macro key Executing an automatic operationExecute the macro play Perform each step within 5 seconds Setup code correlationDeleting a setup code Checking a setup codeVIDEO1, VIDEO2, VIDEO3, TV1, TV2, CABLE, CD, TAPE/MD Hold down the ENT key until the backlight flashes twiceEnter the 3 digit code UK including N. Ireland5Hold your remote to the speaker portion of your telephone Code selection after mode downloadPress a numeric key VCR Set up code chartVCR Set up codes KR-V9090 Non-IR codes KR-V9090 and KR-V8090VCR Set up codes KR-V9090 Set up code chartSatellite Set up codes KR-V9090 JBL AOCBPL CXCDAT deck Set up codes KR-V9090 TV Set up codes KR-V9090LD player Set up codes KR-V9090 DVD Set up codes KR-V9090Cable Set up codes KR-V9090 CD Player Set up codes KR-V9090Maker Set up codes Jerrold 8459 Scientific Atlanta 8460 Cassette deck Set up codes KR-V9090Misc. audio Set up codes KR-V9090 VCR Set up codes KR-V8090CTC VCR Set up codes KR-V8090BSR BTCTV Set up codes KR-V8090 LD player Set up codes KR-V8090 Satellite Set up codes KR-V8090TV Set up codes KR-V8090 DAT deck Set up codes KR-V8090 CD Player Set up codes KR-V8090Cassette deck Set up codes KR-V8090 Cable Set up codes KR-V8090Amplifier Resetting the MicrocomputerSymptom Cause Remedy Case of difficultyCase of difficulty Remote control unitMemory back up function AM tuner section SpecificationsAudio section Video sectionTuner operations Tuning £ 6 Band £Remote operation of other components MD recorder operationsSatellite tuner operations TV operationsVCR operations LD player operationsDVD player operations Cable tuner operationsFor your records

KR-V8090, KR-V9090 specifications

The Kenwood KR-V9090 and KR-V8090 are two highly regarded receivers from the renowned Japanese electronics manufacturer Kenwood, known for their commitment to high-quality audio and innovative technology. Both models cater to audiophiles and casual listeners alike, providing features that enhance home entertainment experiences.

The Kenwood KR-V9090 boasts an impressive power output, delivering 100 watts per channel at 8 ohms, which ensures strong performance in various listening environments. Its robust construction reduces vibration and enhances sound clarity. The dual-transformer design further contributes to reduced interference and improved audio fidelity, allowing users to enjoy music and movies with exceptional detail.

One of the standout features of the KR-V9090 is its comprehensive surround sound processing capabilities. It supports Dolby Pro Logic surround sound, which facilitates an immersive audio experience by utilizing multiple channels to create depth and realism. This makes it an ideal choice for movie enthusiasts who want to replicate the cinema experience at home.

Meanwhile, the Kenwood KR-V8090, while slightly less powerful, offers a respectable 80 watts per channel output. This model is perfect for medium-sized rooms, providing adequate power and quality for casual listening and home theater setups. Similar to the KR-V9090, the KR-V8090 also features Dolby Pro Logic technology, ensuring that users can enjoy multi-channel audio without compromising on quality.

Both models are equipped with a range of inputs, including multiple analog and digital connections, making them compatible with various audio sources like CD players, turntables, and gaming consoles. The inclusion of an FM/AM tuner extends their versatility, allowing users to enjoy their favorite radio stations.

In terms of design, the KR-V9090 and KR-V8090 feature a classic Kenwood aesthetic, with a sleek front panel and an easy-to-navigate layout. The illuminated display provides clear visibility of settings, while the onboard controls allow for quick adjustments to treble, bass, and balance settings.

In conclusion, the Kenwood KR-V9090 and KR-V8090 are exemplary audio receivers that combine power, performance, and classic styling. Their technological advancements and versatile connectivity options make them excellent choices for any audio setup, whether for music or home theater applications. With Kenwood's reputation for quality, both models promise an elevated auditory experience that will satisfy even the most discerning listeners.
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