Sony Microcassette-Corder M-437 - Manual

3-858-067-15(1)
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.
WARNING
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.
About This Manual
The instructions in this manual are for the M-417, M-427,
M-427C, M-437, M-529V, M-539V and M-579V. Before
you start reading, check your model number. The M-
529V is the model used for illustration purposes. Any
differences in operation are clearly indicated in the text,
for example, “M-529V only”.
M-417/427/427C/437/
529V/539V/579V
Operating Instructions
Sony Corporation  1996 Printed in China
This warranty is valid only in
the United States.
Maintenance
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.
Head
Capstan
Pinch roller
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 size AA (R6) 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.
Troubleshooting
Should any problem persist after you have made these
checks, consult your nearest Sony dealer.
A cassette cannot be inserted.
n The cassette is being inserted in the wrong way.
(The cassette should be inserted in the lid with the
tape side facing you.)
n 9 has been already pressed.
r cannot be pressed.
n There is no cassette in the cassette compartment.
n The cassette tab has been removed.
r or 9 cannot be pressed.
n The tape has reached the end.
n After the automatic shut-off, CPAUSE is slid in
the direction of the arrow.
The unit does not operate.
n The batteries have been inserted with incorrect
polarity.
n The batteries are weak. Replace both batteries with
new ones.
n CPAUSE is slid in the direction of the arrow.
n The AC power adaptor or car battery cord is
connected to the unit only and you are going to use
the unit on batteries.
No sound comes from the speaker.
n The earphone is plugged in.
n The volume is turned down completely.
The sound drops out or comes with excessive
noise.
n The volume is turned down completely.
n The batteries are weak. Replace both batteries with
new ones.
n The head is contaminated. See “Maintenance”.
Tape speed is too fast or too slow in the
playback mode.
n 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.
n The TAPE SPEED switch is set between the 1.2 cm
and 2.4 cm positions.
Recording cannot be made.
n Connection is made incorrectly.
n The batteries are weak. Replace both batteries with
new ones.
n The head is contaminated.
n Improper setting of the VOR switch (M-529V/
539V/579V only). Set it to H or OFF.
Recording is interrupted.
n The 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.
n The head is contaminated.
•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.
Standard
Only standard microcassettes
have a small indention of side A.
Approx. 5 mm Approx. 2.5 mm
Non-standard
Specifications
Tape
y (normal position type)
Recording system
2-track 1-channel monaural
Speaker
Approx. 3.6 cm (1 7 ⁄ 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
•Two size AA (R6) batteries: 3 V DC
•Sony AC-E30HG AC power adaptor (not supplied):
240V AC, 50Hz (UK model)
220/230 V AC, 50 Hz (European model)
120/220 V AC, 50/60 Hz (model for other countries)
(for M-427/427C/437/529V/539V only)
Dimensions (w/h/d)
Approx. 66.7 x 120.8 x 25 mm (2 3 ⁄ 4 x 4 7 ⁄ 8 x 1 in.) incl.
projecting parts and controls
Mass
Approx. 160 g (5.7 oz) incl. batteries
Supplied accessories
Microcassette tape MC-30 (1) (M-427C/437 and M-529V
(European model) only)
Microcassette tapes MC-30 (3) (M-539V only) (excluding
Chinese model)
Handstrap (1) (M-529V/539V/579V only) (excluding Chinese
model)
AC power adaptor (1) (M-579V only)
Charge adaptor (1) (M-579V only)
Rechargeable batteries NC-AA, 1.2 V, 700 mAh, Ni-Cd (2)
(M-579V only)
Sony batteries LR6 (SG) (2) (M-539V (Canada and European
model) only)
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