Nakamichi CR 5 Owners Manual

Page 1

Nakamichi
ER-7A/CR-SA
CR-7/CR-S

Discrete Head Cassette Deck

Owners Manual

Congratulations!

You have chosen an exceptional cassette deck. The Nakamichi CFt-7A/CR-5A boasts
superb head and transport design. incorporating such highly refined original features as
the Discrete 3-Head system and a direct-drive dual capstan transport. This approach
assures the ultimate in vital cassette periormance. Ample use of innovative Nakamichi
technology thoroughly lets you explore the full potential of every tape, to complement
any program source and to achieve virtually perfect recording and playback.

In order to take full advantage of this units superior performance. please read this
manual in its entirety and retain it for future reference.

Thank you.

Nakamichi Corporation.

Nakamichi is producing Hi~Fi equipment tor 52 countries of the world.
Many countries have safety regulations, to which Nakamichi has to comply during production.

The additional mentioning of A" on your model means that this product has been produced according
to the requirements in the United States oi the Underwriters Laboratories (UL). as well as other
applicable state and Federal saiely standards.

Within the United States, Nakamichi has authorized its local distributors to alter warranties only on
products which have been produced lor the United States market in accordance with the foregoing
standards.

Notice to Purchasers of the Model Cfi-7/CR5:
Relerence in the illustrations and the text is made to CRJA/CR-SA". but operation and Iunotions are
completely identical to your model.

Page 2

EFILITIDN
SHDEK. DUNUTDPEN'
CAUTION

TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT

REMOVE COVER (OR BACK), NO
USER REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.

A

The lightning flash with arrowhead
symbol. within an equilateral triangle. IS
intended to alert the user of the presence
of uninsulated "dangerous voltage"
with"! the product's enclosure, that may
be of sufficient magnitude to constitute a
risk of electric shock to persons

The exclamation point within an
equilateral triangle IS intended to alert
the user of the presence of important
operating and maintenance (servicing)
lnSIruCthns, in the literature
accompanying the appliance.

A

WARNING

TO PREVENT FIRE OR SHOCK
HAZARD, DO NOT EXPOSE
THIS APPLIANCE TO RAIN OR
MOISTURE.

This equipment generates and uses radio
frequency energy and if not installed and used
property, that is. in strict accordance with the
manufacturer's instructions, may cause
interference to radio and television reception. It
has been type tested and found to comply with
the limits for a Class B computing device in
accordance with the specifications in Subpart
J of Part 15 of FCC Rules, which are designed
to provide reasonable protection against such
interference in a residential installation.
However, there is no guarantee that
interference will not occur in a particular
installation. If this equipment does cause
interference to radio or television reception,
which can be determined by turning the
equipment off and on, the user is encouraged
to try to correct the interference by one or
more of the following measures:
- reorient the receiving antenna
- relocate this equipment with respect to the
receiver
- move this equipment away from the receiver
4 plug this equipment into a different outlet
so that equipment and receiver are on
different branch circuits.
If necessary. the user should consult the
dealer or an experienced radio/television
technician for additional suggestions. The user
may find the following booklet prepared by the
Federal Communications Commission helpful:
How to Identify and Resolve Radio-TV
Interference Problems".
This booklet is available from the US.
Government Printing Office, Washington, DC
20402, Stock No. 004-0000034511.

Please record the Model Number and Serial
Number in the space provoded below and
retain these numbers.
Model Number and Serial Number are located
on the rear panel of the unit.
Model Number: CR-7A/CR-5A

CR-7/CR-5
Serial Number:

CONTENTS

Safety Instructions ........................... 2
Controls and Features 3
Connections ........ 5
On Cassette Tapes . ..., t 5
Operation .................................... 6
Playback Head Azimuth Adjustment (CR-7A) .. 8
Auto Calibration (CR-7A) .................... a
Real-Time Tape Counter (CR-7A). . 9

Auto Fade tCR-7A) .................
Use of the Remote Control Unit (CR»7A
Bias Fine Tuning (CR-5A)..
More Convenient Features.
Maintenance. .
Specification
Troubleshooting.
Optional Accessories

Safety Instructions

The following safety instructions have been
included in compliance with safety standard
regulations, Please read them carefully.

1. Read Instructions-All the safety and
operating instructions should be read
before the appliance is operated.

2. Retain instructions-The safety and
operating instructions should be retained
for future reference.

3. Heed Warnings-All warnings on the
appliance and in the operating instructions
should be adhered to.

4. Follow Instructions-All operating and use
instructions should be followed.

5. Water and Moisture-The appliance should
not be used near water-for example, near
a bathtub, washbowl, kitchen sink, laundry
tub, in a wet basement, or near a swimming
pool, etc.

6. Carts and Stands -The appliance should be
used only with a cart or stand that is
recommended by the manufacturer.

7. Wall or Ceiling Mounting-The appliance
should be mounted to a wall or ceiling only
as recommended by the manufacturer.

8. Ventilation-The appliance should be
situated so that its location or position does
not interfere with its proper ventilation. For
example, the appliance should not be
situated on a bed, sofa, rug or similar
surface that may block the ventilation
openings; or placed in a built-in installation,
such as a bookcase or cabinet that may
impede the flow of air through the
ventilation openings.

9. Heat-The applicance should be situated
away from heat sources such as radiators,
heat registers. stoves. or other appliances
(including amplifiers) which produce heat.

10.Power Sources-The appliance should be
connected to a power supply only of the
type described in the operating instructions

or as marked on the appliance.

1 LGrounding or Polarization-Precautions
should be taken so that the grounding or
polarization means of an appliance is not
defeated.

1 2. Power»Cord Protection ~Power-su pply
cords should be routed so that they are not
likely to be walked on or pinched by items
placed upon or against them, paying
particular attention to cords at plugs,
convenience receptacles, and the point
where they exit from the appliance.

13.Cleaning-The appliance should be cleaned
only as recommended by the manufacturer.

14.Nonuse Periods-The power cord of the
appliance should be unplugged from the
outlet when left unused for a long period of
time.

15.0biect and Liquid Entry-Care should be
taken so that objects do not fall and liquids
are not spilled into the enclosure through
openings.

16. Damage Requiring Service-The appliance
should be serviced by qualified service
personnel when:

A The power-supply cord or the plug has
been damaged; or,

B. Objects have fallen, or liquid has been
spilled into the appliance; or

c. The appliance has been exposed to
rain; or,

D. The appliance does not appear to
operate normally or exhibits a marked
change in permormance; or,

E The appliance has been dropped, or the
enclosure damaged.

17 Servicing-The user should not attempt to
service the appliance beyond that
described in the operating instruction. All
other servicing should be referred to
qualified service personnel.

Page 5

Connections

Refer to the instructions for your amplifier or
receiver and use the supplied shielded cables
with RCA-type plugs to establish connections
as shown in the chart. Take care not to mix up
left and right channels.

While making connections. all power switches
should be OFF

System Remote Terminal

By connecting the optional wired remote
control unit RM-S to this terminal. the decks
tape transport functions can be operated from
a convenient location, (However, the RM-5
does not permit adjustment of playback head
azimuth for the CR-7A.) When this terminal
is connected to a Nakamichi component
equipped to serve as center component of
an entire audio system (such as the

CA-7A). integrated remote control of the
entire system is possible. For details.

please refer to the Owner's Manual of the
center component.

Microphone Connections

As this deck has only line input facilities. a
separate microphone mixer with line-level
outputs must be used for microphone
recordings. Connect the output of the mixer to
the decks Line input" jacks. Nakamichi offers
the optional MX-too Microphone Mixer. which
provides three inputs for left. right. and center
blend (L+R). To power the MX~100. the
separate PS-1OO Power Supply is required.

On Cassette Tapes

Precautions

(1) C-120 cassettes (playing time one hour per
side) contain extremely thin tape which
breaks or snarls easily. is sometimes
subject to stretching and also is of low
sensitivity. Therefore, 0-120 cassettes are

not recommended for high-fidelity recording.

(2) Do not pull out the tape from the cassette
housing.

(3) Be careful not to turn the cassette reels
with the fingers. to avoid tape slackening.

(4) Store cassettes away from heat. high
humidity. dust. and magnetic fields such as
caused by speakers. TV sets etc.

System Remote Terminal
(Rear Panel)

Optional Remote Control
Unit RM-5

E!
El

Headphones

Line Input/OutputATerminals (Rear Panel)

To AC Wall Outlet or

Use headphones with an
impedance of B to
150 ohms.

To Ampiillers Rec Out"-
Terminals (L. Ft)

Preamplifier. Amplifier
or Receiver

Cassette Tabs

You can protect valuable recordings from
accidental erasure and re completely removing the appropriate tab on the
top end of the cassette. The tab tor each side
is located on the top left-hand corner as you
face the side. Use a small screwdriver and
push the tab down to break it off. Do not leave

Amplifiers AC Outlet

To Amplitier's Tape Play"
Terminals (L. R)

Microphone

MX-lOO - Ps-1oo

the broken tab in the recess.

If you wish at a later date to record over a side
for which the lab has been removed. cover the
tab opening with a piece of adhesive tape. At
this time. be careful not to cover the detection
slots for high-position and metal tapes which
serve to trigger the auto tape selector.

IHigh-Position (Chrome-Type) Tape
III-Ila.
Tab if) High-Position Detection Tab
" Slots

0Normal-Type Tape IMetal Type
l v t t ..
lu---I:H in} . o. ml
/ f \
Tab Tab Tab 2 :- Metal Tape Detection Tab
Slots

Detection Slot

Page 13

Troubleshooting

Condition

Probable Cause

Remedy

Tape does not run.

1. Cassette holder is not firmly closed.

1. Press Elect button and then close cassette holder
lirmiy.

Record mode cannot be entered.

2 Cassette tabs have been removed.

2. Place adhesive tape over tab opening or use new
cassette.

Excessive playback hiss.

3. Heads are magnetized.

a Demagnetize heads.

Uneven sound levels, drop-outs.
excessive wow/liutter.

Incomplete erasure.

Distorted record/playback sound.

4. Heads/capstansloressure rollers are dirty,
5. Faulty cassette.

6, Erase head is dirty.
7, Program material itseli is distorted,

8. Recording levels are too high.

9. Heads are dirty.
10. Manual Tape selector is not set correctly.
11. Cassette without detection slots is used.

4. Clean these parts.
5. Replace cassette.

6. Clean heads and pressure rollers.

7. Check program material.

8» Wide dynamic range permits some shortvterm
overload. but excessive recording levels will cause
distortion.

9. Clean heads.

10. Select correct position tor tape in use.
11. Select correct position with Manual Tape selector.

Record mode is entered. but cannot record.

Cannot playback.

Dull high frequencies.

12. Input Is disconnected.
13. Heads are dirty,

14. Output is disconnected.
15. Heads are dirty.

16. Heads are dirty.

17. Dolby NR not set correctly.

18. Manual Tape/Ea selector is not set correctly,
19. Cassette without detection slots is used.

20, Playback head azimuth is not set correctly (CR-7A),

12. Check connections.
13. clean heads.

14. Check connections.
15. Clean heads.

16. Clean heads.

17. Select same position as used for recording.

18. Select correct position tor tape in use.

19. Select correct position with Manual Tape selector.
20. Pertorm playoack head azimuth adjustment.

Hum heard during recording or playback.

Remote control does not operate (CR-7A).

21. Strong Inductlon fields near deck.
22. Signal cable or connector grounding Iaulty.

23. Power switch 0! cassette deck is set to "Oti".

24. Batteries are inserted with wrong polarity.

25. Batteries are exhausted.

26. Remote control unit is outside of etlectivs range.

27. An obstacle is placed between remote control and
cassette deck.

28. Another wireless remote control is operated at the
same time.

21. Keep deck away lrorn ampllilers. translorrners.
fluorescent lamps, etc.
22. Replace signal cables.

23. Set Power switch to On".

24. Insert batteries correctly.

25. Replace both batteries with Iresh ones.
26. Operate unit within etiective range.
27. Remove obstacle.

28. Avoid simultaneous use at several remote control
devices,

Optional Accessories

ZX Metalloy Cassette Tape

0-60. C-SO

SX Il Super Ferricobalt Cassette Tape
0'60, (>90

SX Ferricobalt Cassette Tape

0-60, 0-90

EX ll Ferricrystal Cassette Tape
0-50, 0-90

DM-1O Head Demagnetizer

SP-7 Stereo Headphones

RM-S Remote Control Unit

SF-1O Subsonic Filter

1'1