Denon DP-23F User manual

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FULLYAUTOMATIC
DIRECTDRIVETURNTABLE
DP.23F
INSTRUCTIONMANUAL
@
U.S.& Canadian
modelsdo not include
Gartridge.

I
NIPPON COLU-,-dA CO.' LTD.
No.14-14,AKASAKA
4-CHOME
MINATOKU,
TOKYO
1O7
JAPAN s111277OO2
@ 41O

TEMPLATE
Stylus
position
B
1,
Uaothls dlagram
to dst6rnlns the ovorhang
poiltlon.
Howto us€
Remov€
part
"A"bycuttingalongthelines.
Setthe
cutawaysectiontosection
"A" (protrudlng
soction
ofthecabinet)of th€
turntable.
Position
th6stylustipsothatit tracesalongline
"B",
and
tlghtenthemountingscr€ws.
-11 -

Phonomotor sectlon
Drlvesystem:
Turntable spsedc:
Wow& tluttsr:
S/Nratlo:
Risotlme:
Platter:
Motor :
Speedcontlol syst€m
Spo6d
deviation:
Loadcharact€ristic6
|
G6n6ral
Pow€rsupply:
Pow6rconsumptlon:
Dim€nsion6:
Welght:
Servo
controlled
dkectdrive
33-1/3,
45rpm
BelowO.O2%
w(ms
(servo
system)
Below0.032 wrms
(JlS)
Over
75 dB (DIN'B)
Normal
speed
within2 second
(at 331/3rpm)
Aluminum
die.cast;
30Ommdiameter
Lineardrive
motor
Speed
servo
by frequency
detection,
phase
servo
Below0.002#
O%(8O
E lJacking
force;outermost
groove)
Ton6arms6ction
ArmTyp€:
Effoctlvelsngth:
Ovorhang:
Tracklng6rror:
Autom€tlcm6chanism;
AdJuatablo
tracklngforce
range:
Suitablecartridgo
wolghtrange:
50160Hz,12OV
105
x434x360
mm
(HxWxD)
Approximately5 kg
Dynamicallybalanced,
straighttubetonearm
22O
mm
16mm
Within
3'
Electronicallycontrolled,
fullyautomatic
O-3.0
g (1
scale=o.l9)
Approximately
4.0-9.0 g (includinc screws,nuts)
Abovespecifications
andoutwardappearancemay
be
alteredin
futureforimprovement.
_10_

When troubles arise, check the following items b€fore considering any malfunctions.
Th€ turntable doea not 6tart when the start swltch is pressed.
The tonearm do€s not move.
. ls the power
switchon ( -)?
. ls the arm clampreleased? ........,.,....
.. .Referto page7
The stylus does not lower onto the iecord.
. ls the arm lifter switch set to "down"?
. lsthe
proper
trackingforcebeingapplied?......,1.,................Referto page 7
Humnolao6.
. lsthe
ground
wire
ofthe outputwires
properly
connectedio the
amplifi€r?
............. .......................R6fer
to
pago
8
. Aretheoutputwlres
properly
connected? .....Referto pag€ 8
Th. styl$ JumpE.
. lsthetrackin8
force
set
properly? ............Refer
to page 7
. lstherecordwarped
orscrEtched?
. Arethereany
considerabloamountofdustonthestylustip?
Thoarm do€6
not mov6durlngplay.
. ls th6 recordscratched?
. ls soniething
hittingthe arm?
Littl€ 8ound.
. lstheamplifierswitched
andconnocted
properly
forthetypeof cartridg€
(output)
being
used?
Th€ Btylus doe3 not low6r on tho d6lred posltlon.
. ls the cartridgeproperlymountedon ihe headshell?
. ls the turntableplaced
horizontally?
NoEound.
. lsth€tonearmandthecartridgeconnected
properly?.,..........,..Refer
to
page
. Areiheoutputwires
properly
connectedto theamplifier?
.............Refer
to page
. Aretheamplifierknobs/switches
properly
selected,adjusted?
Referto page6
-9-

Bofore Playing
1. Turnthe power supply
of the amplifier
on,
and
set
theselector
switch
to',pHONO
2. Set the record.
3. Turn
the power
suppty
of the turntable
on
.
r 1. and set the speed
se
ector to the
desiredposition.
33-t/3
rpm
records..
.. ... 33 .tamp
tir
4r rp.n
reco.ds
. ..... a5 .|adl|p rl)
4. Release
the armclamp,
a Forautomaticplay
L Setrhe
record
sizeseteclor
accord:ng
tothe
stze
ot record
to beplayed.
3_O
cn-records
.. .. .. . 30 tan,J
L/Crn
.ecords
. ,. ..."77 tar.'p
2. Setthearmlifterswitch
to ,,down,'.
3. Pr€ss
the startswitch.
The
tonearm
willmov€over
to the record
and
play
will
start.(Fig.
A)
4. Whenthe play finishes,
the tonearm
will
feturn
to the arm rest and the turntable
will
stop. (When
therepeat
switch
is off.)
Fia B\ Wt-er
tt-ereoeat
swtch is un,
Lae
record
wi
beptayed
againlFrg.
c)
aFor manual
play
.When
playing
records
from
the middte.
.Whettherecord
stzeis
notstaloard,
or
when
playing
25cm records.
1. Set
thearm
lifter
switch
to,,up,'
(tamp
tit).
2. By hand,place
the tonearm
overthe desrreo
position
oftherecord (Fig.
D)The
turntable
willstart to rotate.
3. Set
thearm ifter
switch
to ,,down".
4. When
the play finishes,
the tonearm
wjtl
retuh automatically as in the automatic
pray
mode,
aFor r6peat6dplay
1. Press
the repeat
switch
on (tamp
lit). The
record
will
be
played
repeatedty
untit
there,
peatis.disengaged.
To disengage
the repeat,
press
the repeat
switchagain.
aWhen stopping
during play
l. Press
thestopswitch.
The
tonearm
wrtl
turn to the armrest and the turntable
stop.
(Fig.
E)
2. Or else,set the arm lifter switch
(lamp
lit)
Thetonearm
will riseabove
that
The
turnlable
wiiJ
continue
to rotate.
rit)
tit)
Fig.
A
Fis.B
Fig,
C
Fis.D
will
to "up"
position.
(Fie.
F)
a-
Fis.
F

Turn the po$rEr
1. R€leasethe supplyoft. armctamp.
2.
n- Holdthe tonearm
and
A\) | move the arm clamp
/^g\t in the direction
of the
/ \J I arrow.
| |&m crame
Moveth6tonearm
Takethetonoarm
off thearmrestand
posi.
tionit above
theturntable.
Balancethe arm hdlitontally
Rotatethebalancewoightuntiltheton€arm
remains
parallelwith
theturntablewhen
your
handisoff.
4. R€tutnthe
ton€armto ih6 ermrogt
Returnthetonearmto
the armrestandhold
it in place
with the
clamp,
5. Tracklngfotcs
lf the recommended
trackingforceof the
cartrid8eis 1.8g
for oxample,rotatethe
adjustment
knob
until
"1.8"
isalignod
with
markrng.
. WhEnadjustlna
thotracklngforc€
.Rotatethebalance
weightil thodir6ction
Read
overth6 instructionmanual
for
cartidgecar€fullyandsetthe knobto
proper
tracklng
forcesetting.
the
the
1. Connectthe left (L) and right (R) output
wires
to theresp€ctive
"PHONO"
input
termi'
nalso{ the amplifierto be used. Secondly,
conn€ctthe
ground
wire(this
wireistogether
with the output wires) to the "GRouND"
terminalof the amplifier.
2. Connectthe AC power plug to the AC wall
I
l
-7 -

1. Removethe packing material.
2, Install
theturntable
platterandthe turn.
table mat.
r)
2) lnserttheturntableontothernotor
shaft.
Placetheturntablemat
ontheiurniable.
caution:
Take
cauiionasnotto scratchthe magnetic
coating
ontheinnersurfaceof theturntable
parrer.
3, Attach the balance
wsight.
Theacceptable
cartridge
weight
for
thisturntable
isapproxirnate
y 4.0to 9.0 grams(including
ihe
nuts
and
screws).
.Loosen
theheadshell
fixing
screw
for about
one
t!rn. Th€n,
pu out
the
headshell
toward
yoll.
.lMount
the cartridge\diih
the attachedfixing
screws,
looselyat fkst to allowa slightmove.
ment. Fit the attachedoverhang gauge
as
illustrated
andbfing
the
stylus
tiponth€cross
line of thegauge. Tighienthe screwsrnaking
sure
that thecartridge
is
parallet
io the
neao
shell.The
proper
overhangis thus
obtained.
Thecolor
designatlon
oftheleadwires
areas
follows.Referto the
markingonthecartridge
or to its instructionsandmakeconnections
to
the proper terminals
usingtweeser,etc.
Red.........Right
channel
(R)
White .. ...Leftchannel
(L)
Green..... ..Rightchannel
ground
(RG)
Blue........ .Left
channel
sround
(LG)
U.S.& Canadianmodslsdo not includeCartridge.
-6-

POWER REPEAT
Thisswitchturnsthe powersupply
on
(-) andoff (t). WhentLrrningthe
power
off, alwaysteturnthe tonearm
to
the armrest
andholdit inplac6 withthe
clamp.
Setto the sizeof record
to beplayed.
30cmrecords
............
"30" (lamp
lit)
17cm
rgcords
...........,
"
17"(lamp lit)
Setto the desiredrecord
speed.
33-1/3rpmrecords
......."33"
(lamp
45rpmrecords
........ .."45"
(lamp
Whenthe power istumedon,the lampwill
light up. During
play,
the lampwill flicker
untiltheproper
turntable
speedisreached.
Oncethe proper speed is obtained,the
lampwill, again,
stay lit.
ARMLIFTER
When
playing
the
switch
lt on(lamp
This knobis usedto
records r€p6atedly,
tat).
lit)
tir)
Thisswitchisusedto raiseandlowerthe
armduring
play
orwhen
playing
therecords
manually.Thelampislitwhen armis
up.
Pressthisswitchwhenslartingtherecords
automatically.
Pressthisswitchwhenstopping therecord
during
play.
TRACKING
FORCE
adjust the tracking

PART
NAMES
ASSEMBLY
1. Sllont,lnlly automatlcopgratlons
with
th€usaof a nlcroprooe6sor
controllgd
conlactleSs50tvotonoarm,
An innovativemicroprocessor
conirolled,
contactlessservotonearm
ensures
sate,
easyto use automatic
operations
with
little lossin sound
quality,
LowmaEs6tralghl arm
Thlsarmisfullycapable
of maximizingth€
performance
of hlghcompliancecartridges
withor.rtstandingtracina
ability,
Ev€nwith
thenewest,
high
Erade
records,
itstracing
abilityisoutstanding.
3, DENoN
Qlarlz
Theturntable
speedis controlled
by the
"DENON
Quartz"
whichisthe
combination
of the high Precision
Magnetic
Pulse
Detectionlvlethod",
thomostsophlsticated
method
of FGd€tection,andthe "Qltartz
Lock".
2.
Ploas€ chook to mako sur6 tho follo$rlng
pack€d In tho cafton
Turntable
pllatter
Turntable
mat
Balanceweight
itgn3,a8idotrom tho maln
unit,aro
4) 45 rpmrecord
adaptor
5) Overhang
g€uge
6) Instruction manual
1)
2)
3)
4,

r INSTALLATION
1. Operate
the sel only from a power
sourcewhich is indicated
on the ratingtabel
(indication)
at the backof the set.
2. Frayedcordsand
broken
plugs
maycauseafireorshock
hazard.Donotdamage
thepower
cord.
.Do not cut andsplice
the powercord.
.Whenremoving
the power
cordfromwatl
ouflet,besure
to unptugby hotding
the ptug aitach.
ment andnot by pulling
the cord. Donot holdthe pJug
by wet hand.
.Call your servicetechnicianfor replacernent
of damagea
cordsandplues.
Oonoi pinchpowsr
cord. Do
notsplice
power
cord.
Selecta place so that the
loeationorposltion
doesnot
interferewith the proper
ventilationof the set for
releasin8 heat generated
duringoperation.
.Selecta
flat
andlevelsurface
allowing
enoughspacefor
setting
upandoperation.
. Nev€rblock
thebottomven.
ona bed,sofa,rug,etc.
. Never
place
thesetina"buil1
in" enclosureunlessprope
ventilation
is
provided.
.Never
place
theset nearo
overa radiator,
heatregiste
orstove,
. Avoid
locationswhere
these
is€xposed
direcilyto the
sul
light.
3.
I
1.
2.
tr.
or
et
,tn
tilation
holes
placing
theset
Donot exposeihe set to rain
or water(liquid). Oonotspjll
liquidor insert
meialobjects
insidetheset.Rain,wateror liquid sr.tch
ascosmeticsasw6llasmetalrnaycause
electric
shorts
whichcanresultinfire or shockhazard.
lf anything
getsinside,
unplugthe power
cord
andhavea DENON
servicetechniciancheck
your
setbeforefurtheruse.
Neverl€avo
your
set
switchedonwhenleavingthehouse.Foradded
protection
of your audio
systemduringljghtningstormor when
the set is to be left unusedlor a long period
of
tim€,besureto unplug
the power cordfromthe walloullet.
Takecaresothat thesetis notdroppedtoavoiddamagingthecabinetwhich
defeats
safe.
guards
or injuring
yourself.
lf thesethasbeendroppedor the cabinethasbeen
damaged,
unplugthes6tandhave
it checked bya DENON servicetechnician
to restorethesafeguards.
Remove
power
inyour absence. No
userserviceabt6parts
inside.
TSERVICING
1U The
servicing
of setmustnotbeattemptedbyyourself
beyondthatdescribed
in
theoperaung
instructions. In caseof problems
that cannotbe settled by referringto your operating
it
struct;ons,
unplugthe powercord andcontactyour DENON
dealer.NouseFservicabte
D;rts
are insidethe set. OnJy qualified
servicetechnician
can serviceinside
vour set.
2. Referto the operating
instructionsfor maintenanceandcleaning.
-3-

IMPOFTANT
TO SAFETY
WARNING
:
TO PREVENT
FIREORSHOCK
HAZARD,DONOTEXPOSE
THISAPPLIANCE
TO RAINORMOISTURE.
CAUTION:
1. Handlethe power
supplycord carelully
Do not dam;ge or deformthe powersupply
cord. lJ it is damaged.or
deformed'
it
.ay ciuse etjctric shockor malfunction
ihen used whenremoving
from walloutlet,
belure to removeby holdingthe plug attachment
andnot by pulling
the cord'
2. Do not open cover
ln orderto Drevent
electric shock,
donotopen
thecover, lf problems
occur'contact
your DENONdealer.
3. Do not put anything
in3id6
- Do nol ;ut meial obiects or splll liquidinsidethe recordplayer' Electric shockor
malfunction
mayresult,
l\4odel
DP.
' 23F SerialNo.
Please,
tecordand retainihe Modelname
andserialnLlmberof your set shownon
the ratinglabel.
(UNDERWRITERS
LABORATORIES
INC.
(UL)LISTEO
MODEL
FORUSAONLY')
{tlt Ir
RISKOF
ELECTRIC
SHOCK
DONOTOPEN
A
A
CAUTIoN: TO REDUCE
THE R|SKOF ELECTRICSHOCK,
DONOTREMOVE
COVER
(OR
BACK). NO
USERSERVICE.
ABLE PARTSINSIDE.
REFERSERVICING
TO QUALIFIED
SERVICEPERSONNEL.
Tnel.phlnFe
flashw'th arrowhead
svrrool
witni.l
dn equrlateral
trianpie
rsrnGnoed
toalerl
theuser
of the
presence
ol urrns'r
ated
'danierors
vo'tage withrnlhe
prodLcts enclosJre
thatmavbe
o'
suffiaienr
raerituoe
toconsl,tJte
dr'sl.ofeLeclr
ic
sl_oc\
ro
oersons
Theexclamaiion
polnt
\dlthin
aneqLrilateral
trianele
isintended
to
alerttheuserof ihe presence
of important
operating
and
mainte
nance
(servicing)
instructions
in the literatlrre
accornpanying
the
2-