Denon DRM-555 manual Troubleshooting, Specifications, Line, Phones

ENGLISH

TROUBLESHOOTING

Check the following before you draw the conclusion that your Stereo Cassette Deck is malfunctioning.

1.Are all the connections correct?

2.Are all system components being operated correctly in accordance with the operating instructions?

3.Are the speakers and amplifier/receiver functioning correctly?

If the tape deck still does not function properly, check the symptom against the list below. If the symptom does not correspond to the check list, please contact your DENON dealer.

Problem	Cause	Remedy
	• Power cord is disconnected.	• Check power cord.
Tape does not run.	• Tape is loose.	• Tighten tape with a pencil, etc.
	• Cassette is not loaded properly.	• Load cassette properly.
	• Defective cassette.	• Replace cassette.
Tape is not recorded when Rec/Rec Mute button	• No cassette is loaded.	• Load cassette.
(REC/REC MUTE) ( 4 ) is pressed.	• Erase prevention tabs are broken off.	• Cover holes with adhesive tape.
	• Heads, capstan or pinch roller are dirty.	• Clean them.
Sound is warbled or distorted.	• Tape is wound too tight.	• Fast forward or rewind to loosen tape winding.
	• Recording input level is too high.	• Adjust recording input level.
	• Tape is worn out and has “drop-outs”.	• Replace tape.
	• Tape is worn.	• Replace them.
Excessive noise.	• Heads, capstan or pinch roller are dirty.	• Clean them.
	• Heads are magnetized.	• Demagnetize heads.
	• Recording input level is too low.	• Adjust recording input level.
High frequency range (treble) is emphasized.	• Dolby NR switch (DOLBY NR) is set improperly.	• Set Dolby NR switch (DOLBY NR) properly.
High frequency range (treble) is lost.	• Heads are dirty.	• Clean them.
	• Tape is worn.	• Replace tape.
	• If the Power Operation switch is turned off either	• Turn the Power Operation switch ¢ ON again,
	during recording or playback and the unit is
		and then press the Stop button ( 2 STOP).
The cassette tape cannot be removed.	stopped, there may be cases when the cassette
		• Now, press the Eject button (EJECT 5 ) to remove
	cannot be removed, even if the Eject button
		the cassette tape.
	(EJECT 5 ) is pressed.

SPECIFICATIONS

Type	Vertical tape loading; 4-track 2-channel
	stereo cassette tape deck
Heads	Play back head x 1 recording/playback head x 1
	Erase head (Double-gap ferrite) x 1
Motors	DC servo motor x 1
Tape Speed	4.8 cm/sec.
Fast Forward,
Rewind Time	Approx. 110 sec. with a C-60 cassette
Recording Bias	Approx 105 kHz
Overall S/N Ratio
(at 3% THD level)	Dolby C NR on: more than 74 dB (CCIR/ARM)
Overall Frequency
Response	20 ~ 17,000 Hz ±3 dB (at –20 dB, Metal tape)
Channel Separation	More than 40 dB (at 1 kHz)
Wow & Flutter	0.08% WRMS, ±0.14% w. peak

Inputs
LINE	80 mV (–20 dBm) input level at maximum
	Input impedance: 50 kΩ /kohms unbalanced
Outputs
LINE	775 mV (0 dB) output level at maximum
	(with 47 kΩ /kohms load, recorded level of
	200 pwb/mm)
PHONES	1.2 mW output level at maximum
	(optimum load impedance 8 Ω /ohms –1.2 kΩ /kohms)
Power Supply	60 Hz, voltage is shown on rating label
Power Consumption 12 W
Dimensions	434 (W) x 135 (H) x 270 (D) mm
Weight	3.6 kg

* Above specifications and design are subject to change without prior notice.

Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories Licensing Corporation. HX Pro originated by Bang & Olufsen.

“DOLBY”, the double-D symbol and “HX PRO” are trademarks of Dolby Laboratories Licensing Corporation.

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