SONY M-730V
Owner's Manual

Recording/Playback with the Connected Equipment
Dubbing onto another tape recorder
Connect another tape recorder to the EAR jack using the RKG64HG connecting cord (not supplied) (For �Sony World Model� : in Japan, use the RK-G64, not supplied). Set this unit to the playback mode and another tape recorder to the recording mode.

Precautions
On power �Operate the unit only on 3 V DC. For AC operation, use the AC power adaptor recommended for the unit. Do not use any other type. For battery operation, use two size AA (R6) batteries. On the unit �Use only the (standard microcassettes) with this unit. Non-standard cassettes cannot be used because their �L� dimension (see illustration) is different. Standard Only standard microcassettes have a small indention of side A. Non-standard

Troubleshooting
Should any problem persist after you have made these checks, consult your nearest Sony dealer. A cassette cannot be inserted. t The cassette is being inserted in the wrong way. t nN has been already pressed. Playback cannot be made. t The tape has reached the end of the reverse side. Press DIR. to switch playback side to FWD. t The batteries are weak. Replace both batteries with new ones. t The head is contaminated. Recording cannot be made. t There is no cassette in the cassette compartment. t The tab on the tape has been removed. (Even if only the tab on the reverse side is removed, recording cannot be made.) To reuse the tape for recording, cover the tab hole with adhesive tape. To record on one side only, insert a cassette with the side to start recording facing away from the lid (reverse side). t The batteries are weak. Replace both batteries with new ones. t The head is contaminated. t Improper setting of the VOR switch. Recording is interrupted. t The VOR switch is set to H or L. When you do not use VOR, set it to OFF. During CUE/REVIEW the tape stops or does not run. You cannot fast-forward or rewind. t The batteries are weak. Replace both batteries with new ones. The unit does not operate. t The batteries have been inserted with incorrect polarity. t The batteries are weak. Replace both batteries with new ones. t >PAUSE is slid in the direction of the arrow. t The AC power adaptor is connected to the unit only and you are going to use the unit on batteries. No sound comes from the speaker. t The earphone is plugged in. t The volume is turned down completely. The sound drops out or comes with excessive noise. t The volume is turned down completely. t The batteries are weak. Replace both batteries with new ones. t The head is contaminated. See �Maintenance�. Tape speed is too fast or too slow in the playback mode. t Improper 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. t The FAST PB switch (M-830V only) is slid in the direction of the arrow. Recording cannot be erased completely. t The head is contaminated.

Maintenance

This warranty is valid only in the United States.

3-865-289-22 (1)

Microcassette�-Corder
Head Head Capstan

Operating Instructions

Recording from another tape recorder
Connect another tape recorder to the MIC jack using the RKG64HG connecting cord (not supplied) (For �Sony World Model� : in Japan, use the RK-G64, not supplied). Set this unit to the recording mode and another tape recorder to the playback mode. In this case set VOR to OFF.

M-830V/730V
Pinch roller
Sony Corporation © 1999 Printed in China

Recording with an External Microphone
Connect a microphone to the MIC jack. Use a microphone of low impedance (less then 3 kilohms) such as ECM-T115 (not supplied). When using a plug-in-power system microphone, the power to the microphone is supplied from this unit. Note
When recording with an external microphone, the VOR system may not work properly because of the difference in sensitivity.

To clean the tape head and path Press nN 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.

For customers in the United States

Approx. 5 mm

Approx. 2.5 mm

Owner�s Record
The model number is located at the bottom and the serial number is located inside the battery compartment. Record these numbers in the spaces provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. Model No. Serial No.

�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 springwound 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.

Specifications
Tape Recording system 2-track 1-channel monaural Speaker Approx. 3.6 cm (17�16 in.) dia. (normal position type)

You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.

Tape speed 2.4 cm/s (15�16 ips), 1.2 cm/s (15�32 ips) Frequency range 300 - 4,000 Hz (with TAPE SPEED switch at 2.4 cm/s) Input Microphone input jack (minijack/PLUG IN POWER) sensitivity 0.22 mV for 3 kilohms or lower impedance microphone Output Earphone jack (minijack) for 8 � 300 ohms earphone Power output (at 10% harmonic distortion) 250 mW Power requirements 3 V DC batteries AA (R6) � 2/External DC 3V power sources Dimensions (w/h/d) Approx. 62.2 � 120.5 � 25.5 mm (21�2 � 43�4 � 11�16 in.) incl. projecting parts and controls Mass Approx. 130 g (4.6 oz) Supplied accessories Microcassette tape MC-30 (1) (European model and �Sony World Model� only) Batteries R6P (SR) (2) (European model and �Sony World Model� only) Carrying pouch (1) (M-830V and European model of M-730V only) Earphone (1) (�Sony World Model� only) Design and specifications are subject to change without notice.

About This Manual
The instructions in this manual are for the M-830V and M-730V. Before you start reading, check your model number. The M830V is the model used for illustration purposes. Any differences in operation are clearly indicated in the text, for example, �M-830V only�.