Sony M-427 specifications Precautions, Troubleshooting, Maintenance, Specifications, Welcome

Precautions

On power

•Operate the unit only on 3 V DC.

For AC operation, use the AC adaptor recommended for the unit. Do not use any other type. For battery operation, use two R6 (size AA) batteries.

On the unit

•Use only the y(standard microcassettes) with this unit. Non-standard cassettes cannot be used because their “L” dimension (see illustration) is different.

StandardNon-standard

Only standard microcassettes have a small indention of side A.

Approx. 5 mm Approx. 2.5 mm

Troubleshooting

Should any problem persist after you have made these checks, consult your nearest Sony dealer.

A cassette cannot be inserted.

nThe cassette is being inserted in the wrong way. (The cassette should be inserted in the lid with the tape side facing you.)

n9has been already pressed.

rcannot be pressed.

nThere is no cassette in the cassette compartment.

nThe cassette tab has been removed.

ror 9 cannot be pressed. nThe tape has reached the end.

nAfter the automatic shut-off, CPAUSE is slid in the direction of the arrow.

The unit does not operate.

nThe batteries have been inserted with incorrect

polarity.

nThe batteries are weak. Replace both batteries with

new ones.

nCPAUSE is slid in the direction of the arrow.

nThe AC power adaptor or car battery cord is

Maintenance

Head

Capstan

Pinch roller

To clean the tape head and path

Press 9 and wipe the head, capstan and the pinch roller with a cotton swab, moistened with alcohol every 10 hours of use.

To clean the exterior

Use a soft cloth slightly moistened in water. Do not use alcohol, benzine or thinner.

3-858-067-81(1)

Operating Instructions

•Do not leave the unit in a location near heat sources, or in a place subject to direct sunlight, excessive dust or mechanical shock.

•Should any solid object or liquid fall into the unit, remove the batteries or disconnect the AC power adaptor, and have the unit checked by qualified personnel before operating it any further.

•Keep personal credit cards using magnetic coding or spring-wound watches etc. away from the unit to prevent possible damage from the magnet used for the speaker.

•When you do not use the unit for long, remove the batteries to avoid damage caused by battery leakage and subsequent corrosion.

•If the unit has not been used for long, set it in the playback mode and warm it up for a few minutes before inserting a cassette.

If you have any questions or problems concerning your unit, please consult your nearest Sony dealer.

connected to the unit only and you are going to use

the unit on batteries.

No sound comes from the speaker.

nThe earphone is plugged in.

nThe volume is turned down completely.

The sound drops out or comes with excessive noise.

nThe volume is turned down completely.

nThe batteries are weak. Replace both batteries with new ones.

nThe head is contaminated. See “Maintenance”.

Tape speed is too fast or too slow in the playback mode.

nImproper setting of the TAPE SPEED switch. Set it to the same speed as that used for recording.

Tape speed is faster than the normal playback speed.

nThe TAPE SPEED switch is set between the 1.2 cm and 2.4 cm positions.

Recording cannot be made.

nConnection is made incorrectly.

nThe batteries are weak. Replace both batteries with new ones.

nThe head is contaminated.

nImproper setting of the VOR switch (M-529V/ 539V/579V only). Set it to H or OFF.

Recording is interrupted.

nThe VOR switch (M-529V/539V/579V only) is set

to H or L. When you do not use VOR, set it to OFF.

Recording cannot be erased completely.

nThe head is contaminated.

Specifications

Tape

y(normal position type)

Recording system

2-track 1-channel monaural

Speaker

Approx. 3.6 cm (17⁄16 in.) dia.

Tape speed

2.4 cm/s (15⁄16 ips), 1.2 cm/s (15⁄32 ips)

Frequency range

300 – 4,000 Hz

Output

Earphone jack (minijack) for 8 – 300 ohms earphone Power output (at 10% harmonic distortion)

160 mW

Battery life (recording)

See “Preparing Power Souces”.

Power requirements

3 V DC

Two R6 (size AA) batteries

Dimensions (w/h/d)

Approx. 66.7 x 120.8 x 25 mm (23⁄4 x 47⁄8 x 1 in.) incl. projecting parts and controls

Mass

Approx. 160 g (5.7 oz) incl. batteries

Design and specifications are subject to change without notice.

Optional accessories

Microcassette MC-60, MC-30 Earphone ME-81, ME-L82

Connecting cord RK-G64HG (miniplug to miniplug with attenuator)

AC power adaptor AC-E30HG Car battery cord DCC-E130L

M-417/427/427C/437/ 529V/539V/579V

Sony Corporation ©1997 Printed in Japan

To prevent fire or shock hazard, do not expose the unit to rain or moisture.

Welcome!

Thank you for purchasing the Sony Microcassette- Corder. Some features are:

•The BATT lamp indicates when to replace the batteries. •The VOR (Voice Operated Recording) system (M-529V/

539V/579V only) starts and stops recording automatically in response to the sound.

•Edit function—You can start recording directly from the playback mode by pressing the r button to correct a previously recorded portion.

•Tape counter (M-529V/539V/579V only)

•Automatic shut-off mechanism at the end of the tape (in the recording/playback mode only)

•Stop-pause-release function—The pause switch is released automatically when the p6 button is depressed, so that you don’t miss a recording chance.