Tascam 3030 - 3-4 Recording Performance

e
2-l
RTCORD I NG PIRFORMANCI
$?€fi
Test mode
R-EeTpllv-
Deck sett i ngs
REc--IUileTI0[lw
:
DBX
sw
:
RtF t.tVtL sw r
OUIPUI
Sw ;
OUTPUI cont.
:
LII{F cont, :
HIC cont.
BIAS
FINI
cont, :
C|-| 1,
2
both
0N
OUT
250nl,l
REPRO
Spec, PB condition
Spec. input
condition
Il
IN
Centef
Test taoe
nttPEXJS6-:
Blank tape
I ITH
iHg'qE
SITT II{G
tl ,tl
II{PUI SIOI{At
^htrn
ADJUST
ffitr'Ff
RTSUTI
iffilH
REMRKS
ffit
B. Bias tlap
)\477
F1y7
B-1
AC volt
meter between
TP.05/TP.'15 and
GliD
No
signal
#lzE
1306/t406
TP.05/TP. l5
Hin. reading
,'{,f
7xifil'ujFzjr
B
ias
f requency
)\477
Eiffi
150 kHz
B-2
AC volt
meter between
TP. 01/TP.
1 1 and GND
No
signal
ff=g
*tE ?
1301/140'l
1P.01/TP. 11
Hin. reading
,'{4
7:,if;*rjFzJi
Record b i as
g*E)\4
7
^
9-1
First set adjuster
ful ly CCl,l
(
O ),
then
adjust,
&l/Ji3+EE[tntE
-{tr{,rF]
L(r' 63ffi
tf6D6
.
SPttD sw : L0l,l
LIt{I It{ :
1 0kHz/-20dBV
(
1 00mV)
R572/R972
OUTPUT :
Over-bias
value
t-i
l-
.)\477rG:
7dB
+0.5d8
10.
Record lcvel
$*€L'&1.
'10-
1
SPEE0
stl : HIGIi
IINI IN:
1 kHzl-
1 0dBV
(316mV)
R559/R959
0UTPUT:
-10dBV
(316uV)
1
0-2
Check
tt't 2
VU
metef : 0 VU
+
0.5
VU
1 0-3
Same as above
F"lI
DBX
sw
:
IN
Check
4-.
.',
t
0UTPUT :
-10
dBV
+1.5d8
(266ltt/
-376tnv)
Same
as above
tiilt
rn-,,!
OBX sw:OUT
0UTPUI
sw :
I
Rt
PR0/
INPU)
No signal
F,f=kj
Check
tt'v?
OUTPUT :
Bias leak :
t\477Wt:
less than
-50dBV
(3.16mV)
After adiusting
overal
I
frequency
response
(ite|r|
12 and 13), re-do
this item's checks
and adjustment.
^ffiB
.
;Jffill$*l4tdr4ffiffi+tiJ:I#(12
13
E) ?{,
HF.rla.L.
1 1, Record head
az i |Iluth
S*H'.:
v
l:
.7r?].
11-1
SPttD sry
OBX
sw
L0t4
0tJl
LINI
IN :
1
kHzl-20dBV
(100|llv)
Record head
azimuth
scfeys
$*F'r'v
F
7y?7w
i
Phase :
0'
{ilffi
:
0"
Refer to
F is.2-21
-
2-25
lf
you
adjust azimuth
smerys, check
pafagraph
10-1-3 again.
7' ?
^iw|^
J
tfih't-/:BhH,
1 0-',1
-3
trtE*
r
.y
2
t
b
J.
t
12. Frequency fesponse
J*ltwi+t+
(SPtt0:
lllGH)
I L' I
SPIE0
sw : lllGtl
DBX
sw : OUT
IIt{I It{ :
400H2 &
2zkltz
/-20dBV( 1 00mV)
R567/R967
OUTPIJT :
tqual level at
both frequency
Wlili}s.othnsL(*16
j
j
iffi
I
tt-L
l
i
tINI
IN :
-10dBV(316[|V)
Check
tz'v?
Frequency response
: Fig.3-7
Eliffiffitf
:
E
3-7
12-3
Same
as above
Et
DBX
sw
: Il{
Same
as above
lql_t
Check
*r.'v ?
Sane as above
Itrlr
17