Marantz SD4050 manual Troubleshooting, Specifications

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ENGLISH FRANÇAIS

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 MARANTZ 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 MUTE button is

No cassette is loaded.

Load cassette.

pressed.

Erase prevention tab is broken off.

Cover hole 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 tape.

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 iis set improperly

Set Dolby NR switch properly.

 

 

 

 

 

 

 

High frequency range (treble) is lost.

Heads are dirty.

Clean them.

Tape is worn.

Replace tape.

 

 

 

 

 

 

 

 

 

If the POWER switch is turned off either during

Turn the POWER switch ON again, and then

The cassette tape cannot be removed.

recording or playback, and the unit is

press the STOP (

 

) button.

 

stopped, there may be case when the

Now, press the EJECT (

 

) button to remove

 

cassette cannot be removed, even if the

the cassette tape.

 

EJECT ( ) button is pressed.

 

 

 

 

 

 

 

 

 

 

 

 

SPECIFICATIONS

Type

Vertical tape loading; 4-track 2-channel stereo double

Inputs LINE

100 mV input level at maximum

 

cassette deck

 

 

Input impedance: 50 kohms unbalanced

Heads

Play back head

1 recording/playback head 1

Output LINE

460 mV (0 dB) output level at maximum

 

Erase head (Double-gap ferrite) 1

 

(with 47 kohms load, recorded level of

Motors

DC servo motor

2

 

200 nWb/mm)

Tape Speed

4.8 cm/sec. 9.5 cm/sec. (When high speed dubbing)

PHONES

0.95 mW output level at maximum

Fast Forward,

Approx. 110 sec. with a C-60 cassette

 

(optimum load impedance 8 ohms ~ 1.2 kohms)

Rewind Time

Power Consumption

0.13 A

 

Recording Bias

Approx. 100 kHz

 

Dimensions

17-7/16(W)

5-5/16(H) 12-9/16(D) inches

Overall S/N Ratio

Dolby C NR on: more than 74 dB (CCIR/ARM)

 

440 (W)

124 (H) 286 (D)

(at 3% THD level)

Weight

8.58 lbs oz (4.0 kg)

Overall Frequency

25 ~ 18,000 Hz

3 dB (at 20 dB, Metal tape)

 

 

 

Response

 

 

 

Channel Separation

More than 40 dB (at 1 kHz)

 

 

 

Wow & Flutter

0.09 % WRMS,

0.1 % w. peak

 

 

 

* 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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Contents Model SD4050 User Guide Do not open the top cover Important to SafetyHandle the power supply cord carefully Do not place anything insideEnglish FrançaisEnglish Français Français English Table of ContentsFeatures ConnectionO !2e!1y !3 eu o Names and Functions of PartsCassette Tapes Handling PrecautionsStorage Precautions Accidental Erasure PreventionAutomatic Tape Selection Playback0ot Proper Recording Level English FrançAIS REC Mute and REC Pause ButtonDolby B and C Noise Reduction System Syncro Reverse DubbingTape Counter Operation of the Tape CounterÇais MaintenanceEnglish Fran Dolby HX PRO Headroom Extension SystemRemote Control Using the Remote Control UnitTroubleshooting SpecificationsIs a registered trademark

SD4050 specifications

The Marantz SD4050 is a highly regarded dual cassette deck that was introduced in the early 1980s, catering to both audiophiles and casual listeners alike. Renowned for its impressive build quality and superior sound reproduction, the SD4050 exemplifies Marantz's commitment to audio excellence.

One of the standout features of the Marantz SD4050 is its dual-deck configuration, allowing users to play and record simultaneously. This versatility makes it ideal for creating mixtapes or broadcasting live recordings. With the ability to handle both normal and high-bias tapes, the SD4050 accommodates a wide variety of cassette formats, ensuring compatibility with most tapes available in the market.

The SD4050 boasts a range of innovative technologies tailored to enhance audio quality. It features a three-head design, which includes separate playback, recording, and erase heads. This architecture allows for higher fidelity recordings and improved playback quality, as it enables users to monitor recording levels more accurately. The use of Metal and Chrome tape compatibility further elevates its performance, allowing for better sound quality and dynamic range.

Another notable technology is the automatic tape type detection system, which adjusts the recording bias and EQ settings based on the type of tape being used. This ensures optimal performance regardless of the tape's specifications. The deck also includes a full suite of transport controls, including rewind, fast forward, play, and record, along with auto-stop functionality, which enhances user convenience.

Additional characteristics of the SD4050 include its sleek and durable metal chassis, which not only adds a premium look but also reduces resonance and vibrations, contributing to clearer sound reproduction. The deck is equipped with level meters for precise monitoring of recording levels, allowing users to achieve the best sound quality.

In conclusion, the Marantz SD4050 is a testament to the brand's rich history of crafting high-performance audio equipment. With its dual cassette configuration, advanced technologies, and user-friendly features, it remains a sought-after model for anyone looking to explore the world of cassette tapes while enjoying exceptional audio fidelity. Whether for nostalgic purposes or practical use, the SD4050 is a remarkable addition to any audio setup.