Marantz SUPERSCOPE CD-320 - 5 B-13 Playback Signal to Noise Ratio Measurement; 5 B-14 Playback Output Level Measurement

"";l
v
lt
5&13
Phyb.ck
Sign.lro l{oir.
Reiio M..rur.mnl
SET
UP
.
50/60 Hz AC voltage
râtêd
for thê unit
to bê
usêd in
a
rfiarket
country,
.
oc6v
2. EO
rwitch
position:
120ils,70gS
3.
Output terminalr
LINE
Ourput
4.
Tesi
tâpê used: MTT-I
12
PROCEOURES
t.
Load
the test tap€ MTT.I
12. Ssr up
th€ unrr
to ûe
normal
plâyback
siate with
the use of
th, LE.C. A-
2. Read
playback
ouçur
as a 0 dB
rsterênce. Thsn
. playback
blânk tape
and
note
thê
output tevet
drop
in
dB.
3. Pro.eed
both
for the right
ând lefr chânoek
in rhe
4. Rep€at
the abovê m€asurement
for eâch
tap€ setec-
lor iwirch
position.
SlAI{OARD
Gr€ater than
54 dB
cauTtoNs
L Arr.ng€
the unh
pow€r
cord lor hinimum
hum
2.
Eftec1
by
induction
nois€s
thouldbê minimtzed
tor
ths measurem€nt.
58.14
Phybâck Orilpul
L.v!l
l$.3ur.|rl.nt
SEI
UP
.
50/60
H: AC voltage
rated for
the unit
to De
usêd in
â
market
counùy.
.
DC6V
EO swatch
position:
120lrs
Outpui têminat:
LINE
Outpur
Tert
tâp€ uæd:
MTT-'I
l2
PROCEOUBES
L
PIây
lhe taps back in
th€ normât
ptaybâck
srâts.
Read
rhê VTVM
indication.
2. Procoed
borh lor
the fighr
and t€ft
channsls in
the
sTAt0an0
Within
860
mV
t