Troubleshooting, Symptom Cause Remedy

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	•	Put more distance between the
		amplifier or TV set is affecting to		unit and appliance affecting to
		the sound.		the unit.

(Continued on the next page)

Other Information

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.