Sony M-425 User manual

Ss ONY 3-758-981-21(1)
Microcassette'-
Corder
REED EE IIS PIRI EEE CTL
Operating Instructions
M-425/M-527V/M-627V/
M-677V/M-727V 13
Sony, Corporation © 1994 Printed in Japan
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.
EEE ae eee eee ee
Welcome!
Thank you for purchasing the Sony Microcassette-
Corder. Some features are:
¢The CUE MARKER (M-727V only) function locates a
specific position of a dictation.
¢The FAST PB (fast playback) function (M-527V/627V/
677V /727V only) enables you to review the contents
approx. 20% faster than normal playback.
The VOR (Voice Operated Recording) system (M-527V/
627V /677V /727V 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 @ button to correct a
previously recorded portion.
°Tape counter (M-627V/677V/727V 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 H& button is
depressed, so that you don’t miss a recording chance.
°The BATT (M-425/527V) or REC/BATT (M-627V/
677V /727V) lamp indicates when to replace the
batteries.

Preparing Power Sources
Choose one of the following power sources.
Dry Batteries
1 Open the battery compartment lid.
2 Insert two size AA (R6) batteries with correct polarity
and close the lid.
if the battery compartment lid is accidentally
detached
Attach it as illustrated.
When to replace the batteries
Replace the batteries with new ones when the BATT
(battery, M-425/527V) or REC/BATT (record/battery,
M-627V /677V /727V) lamp dims and the sound is
distorted.
Battery life (Approx. hours)
Batteries Recording
Sony SUM-3 (NS) 5.5
Sony alkaline AM3 (N) 14
NC-AA 45
House current
to the wall outlet
—— p>
H DC IN 3V
AC power adaptor (supplied
with M-677V only) or
AC-E30L AC power adaptor
(not supplied)
Connect the AC power adaptor to DC IN 3V and toa
wall outlet. Use the supplied AC power adaptor (M-677V
only) or the AC-E30L AC power adaptor (not supplied).
Do not use any other AC power adaptor.
Polarity of the ng Do

Rechargeable batteries (supplied with
M-677V only)
Charge the rechargeable batteries only with the supplied
charge adaptor and the AC power adaptor. The
rechargeable batteries can be charged approximately 500
times.
Be sure to charge the rechargeable batteries for
approximately 8 hours before using them. The unit can
be used for recording for approximately 4.5 hours with
the fully charged rechargeable batteries.
To charge
Charge adaptor
: 1 to the wall outlet
2"
AC power
Power indicator adaptor
Rechargeable
batteries NC-AA
The power indictor of the charge adaptor remains lit as long as
power is supplied from the wall outlet.
To use
Notes
© Use the supplied two rechargeable batteries only with the
supplied charge adaptor.
¢ If there is distortion of sound or excessive noise, or if the unit
does not operate properly, turn off the unit and recharge the
two rechargeable batteries together.
© The rechargeable batteries will discharge even when not in
use. Be sure to charge them before use.
Recharge the two rechargeable batteries together. Otherwise,
the charging cannot be done.
¢ Be sure to remove the rechargeable batteries from the charge
adaptor to avoid overcharging (more than 20 hours) when
charging has been completed.
¢ Charging and operation should be made in temperature ranges
5°C to 40°C (40°F to 104°F).
¢ The charge adaptor will become warm during charging but
this is not a sign of problem.
© Do not use or leave the charge adaptor in a location near heat
sources or in a place subject to direct sunlight or excessive
moisture.
¢ Unplug the AC power adaptor from the wall outlet when it is
not to be used for long.
* Do not attempt to charge dry batteries.

Sh
Recording
Make sure that nothing is connected to MIC.
1 (M-627V/677V/727V only) Press the reset button of
the TAPE COUNTER.
2 Press M4 and insert a standard microcassette with
the side to start recording facing the lid.
3 Select the desired tape speed.
2.4.cm for optimum sound (recommended for normal
use): A 30-minute recording can be made using both
sides of the MC-30 microcassette.
1.2 cm for longer recording time: A 60-minute
recording can be made using both sides of the MC-30
microcassette. H
4 (M-527V/627V/677V /727V only) Set VOR to H, L or
OFF. i
If you set VOR to H or L, the unit automatically starts
recording the sound and pauses when there is no
sound (you can save tapes and batteries).
H: To record at meeting or in a quiet and/or spacious
place.
L: To record for dictation or in a noisy place.
When the sound is not loud enough, set it to OFF, or
the unit may not start recording.
5 Press @.
Recording starts. While the tape runs, the REC/BATT
tamp (M-627V /677V/727V only) lights and flashes
depending on the strength of the sound.

To Press or slide
Stop recording asa
Start recording during @ during piayback (the unit
playback becomes in the recording mode)
Review the portion just Push up 44CUE/PREVIEW
recorded toward PREVIEW during the
recording. Release the button at the
point to start playback.
Pause recording Slide «t=PAUSE in the direction
of the arrow. The BATT (M-425/
527V) or REC/BATT (M-627V/
677V /727V) lamp goes off.
Take out a cassette as
Notes
Select the 2.4 cm tape speed for recording, if you play back the
recorded tape with another unit. Otherwise, the sound quality
may be R
Be careful not to press the microphone forcibly. Otherwise, the
microphone will be damaged and cause noise.
Notes on VOR (Voice Operated Recording) (M-527V/
627V/677V/727V only)
©The VOR system depends on the environmental conditions. If
you cannot get the desired results, set VOR to OFF.
© When you use the system in a noisy place, the unit will stay in
the recording mode. If the sound is too soft, on the contrary,
the unit will not start recording. Set VOR to H (high) or L (ow)
depending on the conditions.
To monitor the sound
Connect the earphone (not supplied) to EAR jack. The
monitor volume is fixed.
To prevent a cassette from being accidentally
recorded over
Break out and remove the cassette tabs. To reuse the
cassette for recording, cover the tab hole with adhesive
tape.

Recording cue markers (M-727V only)
While recording, you can record a special signal on the
tape to mark a specific position.
At the desired position, press CUE MARKER to record a
signal. The REC/BATT lamp goes off and a signal will be
recorded on the tape. If you want to record a signal
longer than that, press CUE MARKER as long as you
want.
During cue and review, you will hear the beep sound at
the signal position. During playback, you will hear the
signal with low frequency sound at the signal position.
Notes
©We recommend recording cue markers when there is a break in
. the sound.
.,¢ During cue and review, the beep sounds differently.
¢ The beep may sound differently depending on the marked
position on the tape because the winding speed varies from the
beginning to the end of the tape.

Playing
a Tape
1 Insert a cassette with the side to start playing facing
the lid.
2 Select the tape speed to the same speed as that used
for recording.
3 Press <a.
4 Adjust the volume.
To Press or slide
Stop playback/stop fast M4
forward or rewind*
Pause playback Slide «<t=-PAUSE in the direction of
the arrow. The BATT (M-425/527V)
or REC/BATT (M-627V/677V /727V)
lam off.
Fast forward Slide €4CUE/PPREVIEW toward
<4CUE during stop.**
Rewind Slide €4CUE/®PREVIEW toward
PREVIEW during stop.”
Search forward during Keep <<€CUE/PPREVIEW pushed
playback (CUE) down during playback and release it
at the point you want."*
Search backward during Keep <€CUE/®®REVIEW pushed
playback (REVIEW) up during playback and release it at
the point you want."*
* If you leave the unit after the tape has been wound or
rewound, the batteries will be consumed rapidly. Be sure to
depress HS.
** The tape moves faster in the REVIEW mode than in the CUE
mode.
To increase the playback speed (M-527V/627V/
677V/727V only)
Slide the FAST PB switch in the direction of the arrow.
The playback speed will be increased.
To return to the original speed, slide the FAST PB switch
to the original position.
At the end of the tape
In the recording or playback mode, the tape stops at the
end of the tape and the locked buttons will be released
automatically (Automatic shut-off mechanism).

Recording/Playback with the
Connected Equipment
Dubbing onto another tape recorder
Set this unit to the playback mode and another tape
recorder to the recording mode.
EAR
Connecting cord RK-G64
(not supplied)
Recording from another tape recorder
(M-627V/677V/727V only)
Set this unit to the recording mode and another tape
recorder to the playback mode. In this case set VOR to
OFF.
EAR,EARPHONE,® |
Connecting cord RK-G64
(not supplied)
Recording with an External Microphone
(M-627V/677V/727V only)
Connect a microphone to MIC. When using a plug-in-
power system microphone, the power to the microphone
is supplied from this unit.
Electret condenser microphone
ECM-T110 (not supplied)
Note
When recording with an external microphone, the VOR system
may not work properly because of the difference in sensitivity.

About This Manual
This
instruction
manual
covers
M-425,
M-527V,
M-627V,
M-677V
and
M-727V.
Their
differences
are
shown
in
the
table
below.
The
illustrations
used
in
this
manual
are
those
of
M-727V.
O:
provided
or
supplied
-:
not
provided
or
not
supplied

«ore
.
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 G4cRocAssatT@”™ (standard microcassettes)
with this unit. Non-standard cassettes cannot be used
because their “L” dimension (see illustration) is
different.
Standard Non-standard
Only standard microcassettes
have a small indention of side A.
[oro]
Approx. 5 mm Approx. 2.5 mm
¢Do not leave the unit in a location near heat sources, or
in a place subject to direct sunlight, excessive dust or
mechanical shock.
eShould 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. Bape, Hea ng
Keep personal credit cards using magnetic coding or ae
spring-wound watches etc. away from the unit to ae ee ere
prevent possible damage from the magnet used for the ese ae te
si ; heat fo
¢When you do not use the unit for long, remove the uo Dage aaa US
batteries to avoid damage caused by battery leakage oF ‘
and subsequent corrosion.
elf 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.
RECYCLING NICKEL-CADMIUM BATTERIES
(supplied with M-677V only)
NICKEL-CADMIUM BATTERY.
LAY MUST BE DISPOSED OF PROPERLY.
GO
Nickel-Cadmium batteries are recyclable. You can
help preserve our environment by returning your
e unwanted batteries to your nearest Sony Service
N i- Cd Center or Factory Service Center for collection,
recycling or proper disposal.
Note: In some areas the disposal of nickel-
cadmium batteries in household or
business trash may be prohibited.
For the Sony Service Center nearest you call 1-800-222-SONY
(United States only)
For the Factory Service Center nearest you call 416-499-SONY .
(Canada only)
Caution: Do not handle damaged or leaking nickel-cadmium
batteries. :
If you have any questions or problems concerning your
unit, please consult your nearest Sony dealer.

Should any problem persist after you have made these
checks, consult your nearest Sony dealer.
A cassette cannot be inserted.
—» The cassette is being inserted in the wrong way.
(The cassette should be inserted in the lid with the
tape side facing you.)
—» <i has been already pressed.
@ cannot be pressed.
—» There is no cassette in the cassette compartment.
—» The cassette tab has been removed.
@ or <4 cannot be pressed.
—» The tape has reached the end.
—» After the automatic shut-off, <t-=-PAUSE is slid in
the direction of the arrow...
The tape stops in the cue or review mode.
After the fast forward or rewind, the tape does
not move even though you press ~<4i.
-—» The batteries are weak.
The unit does not operate.
~~» The batteries have been inserted with incorrect
polarity.
-» The batteries are weak.
—> <texPAUSE is slid’in the direction of the arrow.
-—+ 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.
-» The earphone is plugged in.
-» The volume is turned down completely.
Tape speed is too fast or too slow in the
playback mode.
—» Improper setting of the TAPE SPEED switch. Set it
to the same speed as that used for recording.
bea sound drops out or comes with excessive
noise.
—» The volume is turned down completely.
—» The batteries are weak.
—» The head is contaminated. See “Maintenance”.
Recording cannot be made.
—+ Connection is made incorrectly.
—» The batteries are weak.
—» The head is contaminated.
—» Improper setting of the VOR switch (M-527V/
627V /677V /727V only). Set it to H or OFF.
Recording is interrupted.
—» The VOR switch (M-527V /627V /677V /727V only)
is set to H or L. When you do not use VOR, set it to
OFF.
Recording cannot be erased completely.
-> The head is contaminated.
Tape speed is faster than the normal piayback
speed
—» The FAST PB switch (M-527V /627V /677V /727V
only) is slid in the direction of the arrow.
—» The TAPE SPEED switch is set between the 1.2 cm
and 2.4 cm positions.
e

Maintenance
Pinch roller
To clean the tape head and path
Press <@ 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.

een Perr eae ERD)
Specifications j
‘ape
- GREGRASEETIE™ (normal position type)
Recording system
2-track 1-channel monaural
Speaker
Approx. 3.6 cm (17As in.) dia.
Tape speed
2.4 cm/s ("se ips), 1.2 cm/s (%2 ips)
Frequency range
250 — 4,000 Hz
input (M-627V/677V/727V only)
Microphone input jack (minijack/PLUG IN POWER)
sensitivity 0.24 mV for 3 kilohms or lower impedance
microphone
Output
Earphone jack (minijack) for 8 - 300 ohms earphone
Power
output
160 mW (at 10% harmonic distortion)
Battery life (recording)
See “Preparing Power Souces”.
Power requirements
*Two size AA (R6) batteries: 3 V DC
Sony AC-E30L AC power adaptor (not supplied):
120 V AC, 60 Hz
¢Sony DCC-E130L car battery cord (not ee
Approx. 66.7 x 120.8 x 25 mm (2% x 4% x 1 in.) inel.
projecting parts and controls
Mass
Approx. 180 g (6.4 oz) incl. batteries
Supplied accessories
AC power adaptor (1, M-677V only)
Battery charge adaptor (1, M-677V only)
Rechargeable batteries (2, M-677V 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-G64 (miniplug to miniplug with attenuator)
Electret condenser microphone (M-627V /677V /727V only)
ECM-T110
AC power adaptor AC-E30L
Car battery cord DCC-E130L

‘Tape Cossette PiayerMecordet/CO Player fifini Dec.
SONY OAT MadioIHeed Phone/Specker AMC Personels,
LIMITED WARRANTY
SONY ELECTRONICS INC. (SONY) warrants thie Product fincluding any eocessories} egsinst
detects in material of workmanship as follows:
1. LABOR. For 8 period of 90 days trom the dete of purchase, tf thie Product is determined
to bo cotecin Sony wil topsi the Product at no cherga or pay the Wbor charges to ony SONY
‘uthorized service facility. After the Warrenty Period, you must pey for sil tabor charges.
2. PARTS: in addition, SONY will supply, et no charge new or rebuilt replacements in ex-
Sane fos Serer parte for 2 paras ot ane fi yeas Atter 90 days trom the date of purchesa,
labor for removal and inetalietion ls sveliebie from SONY authorized service teciiities or @ Somy
‘W obtain werrenty service, you must tele the Product, or deliver the Product freight prepaid, in
either its origins! peckeging or peckaging effording en equel degree of protection, to any sutho-
taed SONY service feciity:
‘This warrenty does not cover custome: instruction, inetellation, set up adustments or signe!
reception probleme.
‘This werrenty does not cover cosmetic Cemage or demage dus to ects of God, accident, mieuse,
FAULTS, oF consumables fsuch as fuses or bettiries). This warranty is valid only in the Unied
Proot of purchase in the form of @ bit of cale oF receipted invoice which ie evidence thet the unit
i within the Werremty period must be presented to obtain werranty service,
For your convenience, SONY ELECTRONICS INC. hes esteblished telephone numbers for frequent:
ty ashed questions: .
‘To locate the service: oF desler nesrest you, call:
94600)-342-$721
For service assiatance or resolution of a service problem, call:
sony RELATIONS
1-4600)-262-2848
For Product information or operation, cell:
SONY CUSTOMER INFORMATION
(201-368-9272
OF write to:
‘Sony Custome: information Center
‘One Sony Drive
Park Fudge, New Jersey 07656-8003
For an accessory oF part not evaileble from your euthonzed desler, cell:
148003-488-SONY (7669)