Marantz PMD510 Operations Instructions download pdf (Page 11)

TROUBLESHOOTING

Should faults occur, it is in many cases not necessary to consult

your dealer or technical service department. On the basis of the

following checks you will be able to rectify a number of faults

yourself without difficulty.

If the fault cannot be remedied after the following check, please

consult your dealer or nearest MARANTZ service agent.

The tape does not travel.

1. Check that the power cord is plugged properly.

2. Check that the POWER switch is set to ON.

3. Check that the tape is rewound.

The tape travels, but no sound is output.

1. Check that the cassette tape is recorded.

2. Check that the mixer, amplifiers and speakers are connected

and functioning properly.

Tape will not record.

1. Check that the protection tabs of cassette tape are not broken.

2. Check that the recording level is set properly.

Sound is distorted.

1. Check that the recording level is not too high.

2. Check that the head is not dirty.

Sound is unstable.

1. Check that the head is not dirty.

2. Check that the pinch wheels (capstans) are not dirty.

3. Check that the tape is wound regularly.

Noise is noticeable.

1. Check that the head is not dirty.

2. Check that the head is not magnetized.

3. Check that the DOLBY NR switch is set properly according to

the tape.

Hum interferes with the sound.

1. Check that cords are connected properly.

2. Check that there is not any source of magnetism (TV, motor,

transformer, etc.) placed near the unit ?

3. When this unit and amplifier are stacked, hum noise is some-

times generated depending on the amplifier model. In such a

case, place the components in positions where interference

does not occur.

NOTICE

• Quick reverse operation will only occur after the transport

has been moving for 15 seconds. Before that time, it takes

approximately 4 seconds to reverse.

• One second of audio is lost during quick reverse.

• Automatic search operations can only operate on one well

at a time.

• Eject buttons will not function unless the deck is in the stop

mode. Thus, if the power is turned off without hitting the

stop button, the door may not open.

• The tape counters are only approximate measurements of

minutes and seconds and are not intended for timing-critical

applications. They are most accurate with 60 minute tapes.

TECHNICAL SPECIFICATIONS

Track System ................................................. 4 Track, 2 Channel

Head System

Rec / Play Head ............................. Hard Metal Alloy (Rotary)

Erase Head .................................................. Dual Gap Ferrite

Recording / Erasure System.............................. AC 105 kHz Bias

Motor System

Capstan ..................................................... DC Servo Control

Reel .................................................................................. DC

Overall S / N, no NR, ”A” weighted

Normal.......................................................................... 52 dB

Chrome......................................................................... 53 dB

Metal ............................................................................ 53 dB

S/N (Overall), Dolby C NR, ”A” Wtd.

Normal.......................................................................... 67 dB

Chrome......................................................................... 68 dB

Metal ............................................................................ 69 dB

Frequency Response, Rec / Play, no NR

Normal................................................ 20 Hz – 16 kHz –3dB

Chrome............................................... 20 Hz – 17 kHz –3dB

Metal .................................................. 20 Hz – 18 kHz –3dB

Dolby NR effect, B / C, S / N improvement,

CCIR / ARM Wtd. ......................................................9 dB / 18 dB

Output

Line............................................................................ 500 mV

Phone (8 ohm) ............................................................. 50 mV

Output Impedance

line.................................................................................. 1 kW

Phone .......................................................................... 120 W

Input Sensitivity

Line/Impedance............................................. 100 mV / 47 kW

Pitch Control..................................................................... – 15 %

Wow & Flutter

W RMS ....................................................................... 0.14 %

Power supply

Power Requirement .................................... 120 V AC 60 Hz

Power consumption .................................................... 0.25 A

Dimensions

Width.............................................. 19-1 / 8 inches (485 mm)

Height............................................... 5-1 / 4 inches (133 mm)

Depth.............................................. 12-1 / 2 inches (340 mm)

Net Weight........................................................... 15 lbs. (6.8 kg)

Specifications subject to change without prior notice.

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Marantz PMD510 Operations Instructions Page 11

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