Teac V-970X - Recording Performance Checks (Cont.); Adjacent Track Crosstalk; dbx Adjustment and Levels

V-970X/R-919X |
20
ADJUST MEASURING POINT,
ee ore eset (or CHECK) RESULT a
2 SP RENT + RA
LINE IN
L ch No signal
Connection Fig. 5-1
but do not connect LINE (L)
OUTPUT (R)
RUBS : ;
:
nd
OUTPUT
(L)
40
dB
min.
ratio
26. Adjucent track a R ch 125Hz/-9dB
ot Lch DABNORRAE (275mV)
ih RA: . I
JAAK-F Record a 125-Hz signal on R-ch track and note output level. Invert tape4 and play R-ch track. Check leakage 1
level against the output reference of previously recorded porton. shee |
R-ch KIYyZkK 125 12 ERBL, COBEHNSRRLAWETS, | =
REF -TFEREL, BELKHO R-ch HAVAIVEBRELALEORERE.
iy he LINE IN (L/R) : R71 ( Decoder ) | Between 1P.2 8 1P.1 : 45 my oc
ee. 1 kHz / -9 dB
NR
SYSTEM
:
(275
mv
)
R72
(Encoder
)
28,
dbx
}
j
decoder
level
Mode
=:
PL
MIT-150
R51
/
R61
eae
LINE
IN
(L/R):
ae
ee
nee
1
kHz
/
-12
4B
R52
/
R62
;
(
195
mv
)
Connection
27. dbx adjustment
Between
TP.3&T2
40:
45
my
OC
dbx
-
OUTPUT
(L/R)
aa
+0.5 dB ( 820 av ) [
OUTPUT (L/R)
encoder level -8 dB ( 308 mV )