Technics SH-DJ1200 User manual

I Specitications
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ServiceManual
SH-DJ12OO
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sH-DJi2oO
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ACMalnsLead
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I Features
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I Connectlons
Rear
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I Names of the Parts
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(!, r.-d srum bEr dd (r^sEF)
@ au|/trrEmR vduD,.,.' oihl
@ *. vo'uE hd.onhr(xE)
@ cH
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sH-DJr200
I AudioMixer
Slide
Volume
Control
ReplacementInstructions
':.cFoss FIDER|(fr(RFKVHOJ120OA) . cHlxxEL FAOER
Kr (RFXVHDJr2o(rE)
i,j ta
o [email protected] 6h6qd
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sH-DJr200
Y
Y
I Troubleshooting
Guide
8elo.e€questingservie 1orthisunil,ch€cklhechanbebwlorapossible caus€ollhe problem
you..e expenercing.Sore simplecheks ora
mirc. adju$rnentonyou.panmayeliminabiheprobrsm andreslore
pro9€f
op€ralron.
ll yo! a.ein doubraboutsomeotthech€ck
ocinls.of il he remedi€siodicaledin lhe cha.l(b ml solve
lhe problem, Eler lo lhe di.ecloryot
Adhonzed
seryio€Cenlsrs
(snlos€dsilh lhisunn)
lo localeaconvenienl *Nice @nler,o.consuh
volr dealerlo. inslructons.
Symptom Checkpolnt Remedial
action
Hasthepowerplug b€endis.onneded? Con.Ecllhepor€. plug
securely.
No souid eEn wt n pos. Hasrheinpur
s€l€ctorcontrorb€€ns€tioanoiher Checklh€solrc€ ands€tlhecontrolrorh€
prop€.
Haveanyol lheunnsb€€nwongly 6nn4ied? Cmneclths unhs
prop€dy.
lslh€ma$erlevelcontrcloranolhervolumelerel
conrrolallheMIN
posilion? Adiusrfie volumele€l conlrolscotrsclv.
Lefi rnd righi sound is Ha!€anyolrh€
unilsb€enconne.led
witn
iile 16fl
and
ng chann€ls revelsedt Conn€ctlhechannelscoredly.
Lov,humor blz b hed ls lherealllo.escentlighl
oi olherelectrical
appl'anceorns
power
co.dnea.snyolth€ Place
lt€ fluorescentlight.orherappliarcesorrhe(
power
cods aslaraway lrom
th€audio
mixsr
as
Has
lhelumlabresgrounding wnebeen Connel lhegolnding wire
s€curely.
ls
oneotlhe
taders
rcm? Replacewhh
anewlad€r.
(Feler
totheSlide
VolumeBeplacedenlInslrslionsprovided

sH-DJ1200
I Operation
ChecksandMain
ComponentReplacement
procedures
f!@ t.fris sectiondescribes
procedures
tor checkingtheoperation
otthemajor
printed
circult
Doaros
andreptacing
themain
components.
2.Forreassembly
atterop€ration
checks
or replacemont,reverse
therespective
prccedur€s.
Specialreassembly
procedures
are
describddonlywhen
required.
3.lllustrated
screwsare
equivalentto actualsize.
4.[ ] indicates
parts
No.
(OutpuiPC.B./lnputAP.C.8./lnpurBP.C.B.
/TonecontrotAp.C.B.
/
Tone
connolBP.C.B.
/MonrorP.C.B
)
@
Remove
thefront
cover.
GDO'4
t
Bernove
therear
panel.
@t
Bemove
thebottomboard
ass
y.
@
Or 8
Y
\Y,
't)
g
r.:l
rt--u
@ oo.o(Back)
IXTBS3+8JFZII
11
It
t
Y
-12
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Y
v
tSH-DJ1200
Remove
the
panelass
y.
. CheckthoP.C.B,
asshownbelow,
Input
BP.C.B. InputA
P.C.B.
@
Connectthepowd cord
to theAC lN plug
andthen
. Follow
theilem
(6D -l#il ncheckng
procedures
onpage.
I@
-&@x7
@o
fxYN3+C65l
@
Pull
outthemaster
knobs
(5pcs.),
rimhnobs
(6pcs.)
andraderknobs
(3pcs.).
$, ,uo"",tn",nn,
NE
Tnnknob Mast€rknob
IEIH
Hande
withcarethe
knobsbecause
lhetrmknobs
and
master
knobs
are
@
Tone
controlAP.C.B.
13
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o
o
o
c
6E
Removethet1 nuls.
s] tuosett'"nitt
@o
[xYN3+CsS]
@o
ETB3+8Jl
6ts
Removeth€
3connectors
(CN102,103,104),
andthenremovechannelfaddA,channel
laderBandcrossfader
P.C.B's. GD
Ox2
Yr
Chan.eltador
B PC.8. Remove
theLEDP.C.B..
cN5o2A qE
BemovetheFFCfiomthe
2connectorc
(CN502A,503A).
(ED
Bemove
lhe9connectors I Rsrpval lor the
connoctor.
(ED
Ox6
Channelfad6rAPC.8.
cN703
!

sH-DJ1200
(ED qD ox
I
Removeth6
jack
bracket, .o (@
Ox4 (@t
Releasetheclaw,andthenliftup
each
P.C.B.
(Monitor
/ InputA/
lnput
g /Output
/Tone
controlA/
TonecontrolB)
toremove.
@
R6movetheholdera(ach€dto
the
bonomolinput AP.C.B..
@De
O,z'l I
@ o G'""rt
lxTBS3+&JFz
1l
@,
txTB3+8Jl
@
XTBa+8Jl
ooo
o
withor;ssinofie
iat cable
(FW5o1).
To
prevenr
theial cableslrom
pinching
byspareVR,arrange
the
iat cableadequately.
SpareVR
..}'
withwinding
theflat
cable
(FW801).
- t5
_

sH-DJ1200
I Schematic
Diagram
CH.
Einput seteclor
swilch
in
"PHONO"
position.
CH.
Einput selector
switch
in.PHONO"posilion.
Headphones
moniror
setector
swirchin.E" position
Power
ON/OFFswilch
in
"ON"
positjon.
CH.
E] inpul
senstiviry
controt.
CHANNEL
FADEF
controt(NpUT
E).
CHANNEL
FADER
contror
lNeUf @).
CROSS
FADER
conlrot.
CH.
El inpur
sensitivity
controt.
CH.
E high-range
tevstconlrot.
CH.EI bw-ranqe
tevet
conlrot.
CH.
E high-range
tevetcontroi.
CH.
E low-range
tevetconrrot.
Master
volume
levet
conirot.
Micvolume
level
control.
AU)?EFF€CTOR
votume
tevel
controt.
a VR70t-1,70t-2 :Monilor
batance
controt.
a VR7O2-1,7O2-2
:Mon orvorume
teverconuor.
a Vnlo2gl, rO2S2ICHANNEL
FADER
conrrot(spare).
OVR!(X91,10492 :CROSS
FADER
contnot(spare).
' Th€vollage
value
and wavelorms
arelhe reterenc6
voltage
ot this unitmeasured
by Dc electronic
vottmeter
(high'impedance)
andosci
oscope
onthe
basis
olchassjs_
Accordingly,
ther6
may
arise
some
errorinvoltage
values
andwaveforms
dep€nding
upon
ineIntemal
lhetester
orfie measudng
unit.
a lmponant
satety
nolicei
Components
identfied by lL mart hav6speciat
characieristics
lmportant
,or saiety. Whenreptacing
any ol thes6
componenrc!
useonty
manulacturer,s
specif€d
pafls.
Note€:
I stol
o s20l
o s70t
a saol
o vR101-t,
t01-2
a \|Rto2-.t,102-2
o vRto$t, to32
a vR.t(!t-t,
t0+2
a vR2ot-l,20t-2
a vR3{t1
-l,3Ol
-2
a vR302-t,
3t2-2
a Vtllol.l, rl()l.2
a vA4O2.l
,4/J2.2
a vRsot-.l,
fot-2
a vR601
a vft6ttit-t,602-2 tl
a +- :+B
lrne
r-- .: :pHoNo
(8, Lch)
Sisnat
Lrne --)-:-BUne
L=t :Mtc
srgnatLrne
a This
schematic
diagram
may
bsmodifed
atanytime
wilh
thedevelopment
otnewlechnoloov.
o Cautlonl
lCandLSIaresensirive
to static
etecticity.
Secondary
trouble
can
be
prevenled
by
taking
careoufing
reparr.
Coverlhe
pans
boxes
made
ofptastics
w{th
atuminum
toil.
Groundthe
soldering
iron.
Pula conductive
matonthewo* tabte,
Do
notlouch
thetegs
ottC
orLStwith
the
fngers
direcfly.
(For
U.S-A.
model
onty)
CAUTION
:FOB
COMI|NUEo
PBOTECTTON
AGAINST
FIRE
HAZABO,
REPIACE
ONLYWITH
SAMETYPE FI 3I5MA I25V FT'SE.
RISK
OFFIRE.REPLACE
FUSE
'"sMABKED.
Y.
(For CANADAinod€l only)
€+ Th€s€
syrbots toclian neff rhetus€
Ind'carss
rhalrhs fuseusedrs a tast oDsratrno
lype. For co.lrnu6d protoctron
agarnsrr[;
hazard, r€ptac€
withth6 sam€tyDetus€. Fortus€
raling,
reler
lo th€ marking
adtace.t
to ihs
_EEF Cosymboloindiqua
qu€
tstusibtoditisd
esl a rapids.Pouru.€ prolsctionp6rhanonle,
n ulilissrque des lusibtes
ds m6metvDs.Ce
dafnrerasl ihdrqu6la qir te pr6s6nrsymbots
- 16
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sH-DJ1200
lE;l
I trueurI ctRcutT
(p.c
Boadon
pas€
24)
I
LE kh
@ttleur actRcutr rPcBoardonpase23'
p rrueur
selecrn
SWITCH
CIRCUIT
(PC.Boa.d onpag€
23)
EUI;HH-"IEBIB
(P.C.
Aoad on
pase
23)
o
I
I
t-
I
I
L ,.,
E9II}IE.L
(SPARE)
CIRCUIT E9r9t:
(SPARE)
CIRCUIT
(PC.Bodd:
t-l"-
T
. -i:
I
J
tE^t
U

sx-o.rrzoo
I
! rOrrreCOrurnOlACIRCUIT
,Pc
Boaro
orpase2sl
CHANNEL
FADER
A
CIRCUIT
CBOSS
FADER
CIRCUIT
CHANNEL
FADERB
CIRCUIT
tl
Y
fl rorue
corurRol BctRcutT
(p.c
Board:o.
pase
25)
Mtc
CIRCUIT
(PC. Board:on page
26)
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sr-orrzoo
-
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pase
24)
CUESWITCH
CIRCUIT
(P.C Boad:on page
23)
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24)
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sH-DJ1200
@ vorutron
ctncutr(p
c.Board,on
pase
23)
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OUTPUTCIRCUITe c.
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24)
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