Troubleshooting

If you have any problems with the unit, please check the troubleshooting table below first.

For any problems not covered in the table, please consult your nearest ONKYO authorized service center.

Symptom

Cause

Remedy

 

 

 

 

 

The unit doesn’t turn on.

The AC power cord is not

Insert the AC power cord (mains

 

 

inserted in the wall outlet

 

lead) plug into the wall outlet (the

 

 

securely.

 

mains) securely.

 

The R-805TX ENERGY SAVE

Please push the R-805TX

 

 

function is activated. (If

 

STANDBY/ON button. The power

 

 

connected to the R-805TX)

 

in the main unit will be turned on.

 

 

 

 

 

No sound is heard even

Hookups are incorrect.

Check the hookup and connect

when playback starts.

 

 

 

the unit correctly (see page 7).

 

The stereo amplifier’s input

Set the amplifier’s input selector

 

 

selector is set to the wrong

 

to the position the unit is

 

 

position.

 

connected to.

 

 

 

Tape transport doesn’t

A slack tape is wound around the

Tighten the tape with a pencil (see

operate.

pinch roller.

previous page).

 

 

 

 

 

The REC button doesn’t

No cassette is inserted in the unit.

Insert a cassette (see page 9).

operate.

One or both of the erasure

Use a new cassette or cover the

 

 

prevention tabs have been

 

erasure prevention tabs with

 

 

removed.

 

adhesive tape (see page 15).

 

 

 

 

 

Sound is hoarse, or the left

The playback head is dirty.

Clean the tape head (see previous

and right sounds are

 

 

 

page).

unbalanced.

The tape is stretched.

Use a new cassette.

 

 

 

 

 

Excessive tape hiss or noise

The playback head is magnetized.

Demagnetize the head (see

is heard.

 

 

 

previous page).

 

The tape is worn out or recorded

Use a new cassette.

 

 

with high noise level.

 

 

 

 

 

Sound is distorted.

The tape is worn out, or distorted

Use a new tape. (Play another tape

 

sound is recorded.

to make sure the cause is not

 

 

 

malfunction of the unit.)

 

 

 

Recorded sounds are

The tape was recorded with too

Adjust the recording level (see page

distorted.

high a recording level.

13) before you start recording.

 

 

 

 

 

The tape squeals or skips

The heads, pinch rollers, or

Clean the tape head (see previous

the sound.

 

capstan shafts are dirty.

 

page).

 

The cassette shell is binding the

Try to release the bound tape by

 

 

tape or the tape is stretched.

 

fast-forwarding and rewinding. If

 

 

 

 

the tape is damaged, use a new

 

 

 

 

cassette.

 

 

 

 

 

Excessive hum is heard

The audio cables are not inserted

Insert the cable plugs firmly.

while playing a tape.

 

firmly.

Put more distance between the

 

External flux leakage from an

 

 

amplifier or TV set is affecting to

 

unit and appliance affecting to

 

 

the sound.

 

the unit.

 

 

 

 

 

(Continued on the next page)

Other Information

23

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Onkyo K-505TX instruction manual Troubleshooting, Symptom Cause Remedy

K-505TX specifications

The Onkyo K-505TX is a sophisticated cassette deck that has captured the attention of audiophiles and music enthusiasts alike. This high-fidelity tape deck offers an array of features that cater to both the nostalgia of analog recording and the precision of modern technology.

One of the main highlights of the K-505TX is its dual-capstan tape transport system. This design minimizes wow and flutter, delivering unparalleled playback stability and audio fidelity. The dual-capstan mechanism ensures consistent tape tension while playing or recording, which results in a smooth and accurate reproduction of sound. It allows for head-to-head comparison of different cassette tapes, bringing out the best in analog audio.

Equipped with high-quality heads, the K-505TX utilizes a combination of ferrite and soft magnetic materials, which enhances both the recording and playback capabilities. Additionally, the use of a three-head configuration facilitates real-time monitoring of recordings. This means that users can adjust their levels and make necessary tweaks to achieve optimal sound quality as they record, a feature that is particularly beneficial for home studios and serious hobbyists.

The Onkyo K-505TX also comes with an array of advanced features designed to enhance user experience. Its auto-reverse function allows for uninterrupted playback, letting listeners enjoy lengthy recordings without the need for manual intervention. The tape deck supports a variety of tape types, including normal, chrome, and metal tapes, expanding its versatility for different recording needs and preferences.

An integrated digital counter and memory function aids in accurately locating specific tracks, a handy feature for those who wish to replay portions of their favorite recordings. In addition, the K-505TX incorporates an automatic calibration system that adjusts bias and EQ settings for optimal tape performance, ensuring that users receive the best quality playback and recording tailored to their specific tape type.

The overall design of the Onkyo K-505TX reflects a blend of elegance and functionality. Its user interface is straightforward, featuring clearly labeled buttons and knobs that facilitate ease of use. With a sleek finish, it fits seamlessly into any home entertainment setup.

In combining classic analog charm with modern technology, the Onkyo K-505TX cassette deck remains a stellar choice for anyone looking to enjoy or harness the unique qualities of cassette recordings. Whether you’re a casual listener or a dedicated audio purist, this tape deck is sure to impress with its performance and features.