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TCD 32(
General
dB" le'
-
"0
equals 451
Make the
are listed
that previ,
correctly l
adjustmen
button de
for Maxel,
Clean and
the adjust
has
alread
in the Ser'
(ordering
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No
or cnel
Re cc
head
PIayba
2
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3
ape
4
Oscilla
5
frcque
6 Oscillz
CTASC \
7
Oscillz
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ELECTRICAL
ADJUSTMENTS
320
TCD
General
level is defined
dB"
"0
equals 450 mV and
Make the adjustments
are listed here.
that previous adjustmens
correctly made.
adjustment
button depresscd) to
for Maxell UD
Clean and degauss the
the adjustments. It
has
alreadv been correctly adjusted
in
Service Manual
the
(ordering No. 715105).
CHECKS
FOR
as
775
40
dB
in
the
Mmy of the adjustments
Maxell UD XL II
for
XL
have already
It
especially
is
be
made
(Tape
I tape
tape path before and
is assumed that the tape
for
the
AND
mV. Thus - 5
equals 7.7 mV.
which they
order in
belore
TCD
been
important
(Tape
tape
adjustment
button
as described
310
require
released).
that
dB
after
path
Location of
Necessary equipment
2 high
universal
Frequency
Audio
Distortion
Wow meter (required
-
Special noise measuringmet€r
Tandberg
No.
azimuth test), and
level).
Nlaxell
Nlaxell LID XL I
test
inrpedance
meters),
counter.
generator.
meter.
test tapes
(3150 Hz
22
UD XL
points
voltmeters
wow test),
No.2-l (1000 Hz playback
II
or equivalent.
or equivalent.
and
for
wow test only)-
No.
(1000
21
adjustable
(do NOT
No.23 (6300 Hz
(see
table,step 3.6).
Hz
speed
components
use
test),
F+: I
-l
al
t, l
-rl
'll
il
t.tl
.l:ll
+l
I
-_-]
justme
Ad
No
or iheck Tape
Record/playback
head lzimuth
z
3 fapc speed
4
5 Oscillat or
6 Oscillator
7
nt
Playback level
frequcnct'
voltage
erase
Oscillator
No.
23
No.
2'l
No.2l
No.
22
Nlaxell
XL
UD
Nlaxell
XL II
UD
\{axell
XI- II
LID
Set the cassette
deck
to
Plavback
Playback
Playback F
Playback \l'ow
Tape - Tvpe ll
Kccr)r0 lll{
II
Tape - Tvpe II
Rctordirig
Trpe - Tr
N{easuring
instrume
\/oltm etcrs
Voltmcters OUTPL]T
rcquenct
counte r
(accorrline
to
DrN 45507
l'req u en
coulltcr
Voltmeter Across
lI \'.ltm c ters OIITPUT
pe
NteasureatCorrect
nt
OLiTPUT
sockets
sockets
OU
sockct
OUTPU'T
mcter
socket
cv
Connect
inductivcll
to
hcad
comme nts)
erase hcacl
PUT
erase
(scc
readinq
I\laximum orrlput
Diffcrencc
signal.
betu'een the tracks:
<3dB
mY R317
775
1
ld/ir
(990
<
(DrN
peak
Record/plar back:
< 0.2"{,
80-
l0l
0.15q',r
+551
wcishted)
100 kHz
0)
1
28-32\
{2mV
Adiust
Azimuth
head
on
R41
7
screu'
(left
(rieht
channcl)
channel)
Comments
Adjust tr> best
l\lrrsrrrr
both in vertical and
position.
Conncction
lcs
or a
Instead of a
a long-wave
3rd. harmonic) can
INPUT
compromise.
,,I
end
rt
is
made
,rrdinrrr
,'f
tqlts
frcquency countcr
rcceiver
sockets open.
1\lcrstrrr
tapc.
horizontal
with a
(trrned
be used.
coil
rr,irc
to
ADJUSTN'IENT FOR Maxell
Adjustment
No.
or check
Bias
I
I
2.1
(preadjustment)
Recordins
2.2
level
Or,crall frcquenc)
2.3
rcsP
onse
(adiustm
enr)
Distort ion
2.4
Erasurc
z.o
S ignal/noise llaxe I I
2.6
'fape
N{axell
UD XL II
\ laxell
UD
l\{axe ll
LII) XI, II
Ilax
UI).\t, II
\laxcll
LTD
UD
arrd
TID
Nleasuring
instrume nt Nteasrrre
Voltnreters R80l (left
Voltrnet ers
XI, II
\roltrnctcrs
cll
Distc rtion
melcr
Voltmetcrs
XI,
II
XL
XLrlI
UD XL
R901 (right
see
<lrawing "
()LII
OItTPU'f
OUTPU'I
OUTPLIT sockcts
OU'f PL.t
(Tape
II
at
channel)
channel)
"location
PLIT
sockets Set the cassctte cleck
sockcts Set the crssettc
sockets
l sockets
button depre ssed)
Procedure
Set
cassette
thc
channel)
(trleasure
connectecl
Ct>nnect an atrclio generator
to
-100
0
dB in.rrdcr to ar,oicl inac<rrratc results carrscrl bv rart'ing
charactcristics.
Rewind
If
orrtsidc thc t()lcran( c, nrakc a
channel)
()l)ce
+0 dB
signal at this
Rcwind
both
I1 outsicle
rccording, plav
Set the cassctte dcck
<i0
0
Rervind
lf
outsirle thc
plav
Rct:orcl
and plar'back
sclectivc
'I
ht signal/rroisu rati<ts
specified. Nleasure rvith
IEC
Lin. R\lS > 55
R901
and
bctrveen
the hcati.)
to
}lz.
5 dn
plal back.'flrc
and
dB (=
5
'150
anrl R205 (right channel) as
m()tc.
(-
l-l
levcl.
plav beck. Usc
anri
channels that thc
0dBto+5dB.
thc tolerance adjust
nr\'' on
775
1=
plal'back.
and
t()lcrance
bat:k and chcck once m()rc. Then repeat step
1000 llz,0
a
the
mcasured.
A*
'fapc
deck to
(riuht
cr()und and
1=
l
rn\') t 0.5 dB.
rlcr:k to
on
m\''
back rnd chcck
the
crased
) 65
-
channcl) to
Tapc''Ir pe II recording.
to
to
.1519
nrV
voltrncters should norv rcarl
'fapc - 'l
thr'\r)ltm.t(rs) anrl
the
10,000 IIz
'lape
to
rrrltmcttrs).
Cht-ck thrt thc distortion
a<ljust C801 and C90l
sisnal.
dB
1>icce.
376
at
<listrrrtioti slirrulcl bc it lcast
thc Dolbr, ,l.'R
tlB
dB
Tr
II
pe
recordins and adjLrst C801
rca(lings
the
side of
the INP(I'f sockcts. Adl'ust
on
voltmcters). [ 5 dB is used instead of
thc
ordine
rt<
n<rl
rcquircci. Ihcn
ll
pe
rccording. Adjust the
t
100 llz
signal as
signal is
C801 and
I
C90l
()nce
m()re.
II recorrlinq.
r'pe
Ilervin<l
and
l'he
voltmcters should reird < 65 dB,
and
of approximateh 6 - 8 m\
thc resistor which is
Rl
and
whi)c adjustinu R 1 05
plar back and chcck
recortl a 400 llz
r re[ercrrcc an(l
u'ithin thc follorvinr
(hias).
Thcn make a nelv
(iencrulor
is ( 3%.
(bias). \lakc a ncrv rccording,
2.3.
erasc.'Ihcn rervinrl once mote
Tape
brrttons
(left
R2 to rrid2osition.
gcnerator
the
tapc
gcncrator
10,000 ll
and a
check
t()lcrance;
to 1000 Hz,
qoo(l
as
as
dcpressed.
(left
to
()n
l
-l
J
,ta'Il
col
----t
I
vlre.
I
T;'
I
2,7 Overall
,R
No.
frequcncl'
rcsponsc (chcck
with Dolby NR
bLrtton tlcpressccl)
NIPX-FIL'I'ER
switch to Ol'l'!
Indicators Nlaxcll
Adjustment
or
check
3.1 Recording
Ievel
3.2 0r'erall freqrrcncy
response
(arljustment)
3.3 Distortion Ilax cll
frcqucncl,
Overall
(chcck
responsc
Dolby NR
with
depressed)
brrtton
tr{PX-l
tI-Tl.rR
switch t0
Ol ! l
\{axcll
TID XI,
UI) XI, II
.{DJUSTNIENI'
Tapc
NIaxc Il
UD XI,
Ilaxell
L D XI,
UD XI, I
trlax c ll
UD
ers C)U |PUT
Volt me t
II
I ndicators Rccord
FOR \laxcll
I\lcasuring
instrumcn tlleasurc
\l()ltrnctcrs
I
\r()ltnret( t 5
I
Distorti()n
m( ttr
Voltmetcrs OU'[PL."I
\I- I
()1"I
()U
(
sockcts Set the casscttc det:k to
(Tape
XI-
Ul)
I
at
PL] l' sockcts Samc .rs irr step
fPU f sockcts Slnrc as in stcl) 2.3, cx(cpt that
I'f
)U'l'Pl
sockcts Sumc as in stcp 2.'1,
sockcts Sarnc ls in
qtncrat()r
1000 IIz,.1000 IIz, 10,000 IIz, rnd
Rcrvind and plav back. []sc the 100
othcr
siqnals
(lI]
t
3
If orrtsiclc
and C601/C602
a.100
channcl)
release<l)
button
Proccrlurc
If orrtsitlc th{r
DO NO r'-fOt'Cil Rl05
NOIEI
'\djrrstrncnt
irrlirrt,rrr,'f
If otrtsirle tht
II outsitlc the t()lcrf,nce
DO NO f I'O[:CII
r
3
rlll
lf oLrtsitle tht'
rnd C603/C604
dli
to - 35
lrc
uithin thc
(40-16,000 Ilz)
thc tolerance trv changing
(right
Hz,0 rlB signal and adjtrst
0 rlB deflcction on
to
cxccpt that the
2.2,
rancc
tol(
ol Rl0:l
i.t\)r'lt(
tllr
tolcrancc
c\(cpt
C801
stcp
2.5, ex(:el)t that the'Iape
(40 '
16,000
tolerance
(riqht
I
Tape
rec:ortl thc
and
channel). Increased
just
ad
()R
(i,
arljust R807.I)O
adjLrsr R807.'fhcn rcpcat step
()R
ltz-)
trv chansing the
channcl). Increirsed
II, I)OLtlY ( !)
vpc
l,rllou'ing frctlttencies:
tlz.
1f,000
IIz
foll<rling t<rlcrartce:
R205.
an(l
{
k.
that thc
C901.
irs a rcfcrencc,
ralLrcs of
tlrc
values givc
both indicators.
I{
Rl35
Idpe ltuttotr is relcasecl.
(le
10'l
ft chune
R204 u'ill not
frpc ltLttton
the
\OT IOUCII
Tape btttton
button is rclcasctl.'folcrances:
valucs of C503/504
raltres
*special
noise
(lclt
recording.
atttl chcck that the
C50l/C50?
highcr
channcl) and
l)
R20'l
and
allcct thc
is
rclcascd.
C80I
relerscd.
is
3.2.
hiuhcr
sivc
measuring
Adjust
(lcft
trcble
R235 (righl
(right
OR C90l.
(left
trcblc
the
channtl)
rtsPonse.
channcl).
channel)
rcsponse
400 IIz,55 Hz,
rcadings on
equipmcnt
the
requir,
--i
TANDBERGS
RADIOFABRI
P.O.Box 9,
KK A/S
Korsvoll
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