Teac V-2RX - DBX Decoding Adjustment; DBX Decoding Symmetry and Level; DBX Decoding Response and Modes

56-3 DECODING ADJUSTMENT
| Ve2RX/RaRX
ITEM
SETTING
INPUT
SIGNAL
‘
Se
cREDK)
RESULT
REMARKS
»
RMSSYM
Fig.
5-16
(V-2RX)
100
Hz/-8.2
dB
Check
Clean
200
Hz
sine-
Refer
to
figs
,
Fig.
5-14
(V-4RX)
(300
mV)
wave.
5-12
andé73,
#2
_
Decoding
level
|
Fig.
5-17
(V-2RX)
400
H2/-8.2dB*!
—_
|
R54/R64
rece
00myl
Fig.
5-15
(V-4RX)
(300
mv)
Check
-8.2dB*?
(+0.5dB)
|
V-4RX|*Rer.2
(283
mV
~
318
mV)
Min.
distortion
R53/R63
V-2RX
=
ene
Fig.
5-17
(V-2RX)
400
Hz/-8.2
dB
/
{0.12%
or
less)
»
Fig.
5-15
(V-4RX)
(300
mV)
ae
Ran
difORIOR
iy
aoe
|
(0.12%
or
tess)
al
7
if
-0.2
dB
+1.dB
against
,
ae
oo
ur
Check
Ref.
2
4,
Decoding
single
Fig.
5-17
(V-2RX)
(261
mV
~
329
mV)
oe
sa
Fig.
5-15
(V-4RX)
+5.5
dB
+1
dB
against
10
kHz/-8.2
dB
Check
Ref.
2
:
ic
mV
~634
mV)
400
H2/-38.2
dB*?
~60
dB
+1
dB
against
|
45
95
4p
{9.49
mV)
Check
Ref.
2
;
eautnct
Rei.
5.
Decoding
opera-
|
Fig.
5-17
(V-2RX)
(267
wV
~
337
nV)
tion
level
Fig.
5-15
(V-4RX)
+20
dB
£1
dB
against
400
Hz/+1.8
dB**
Ref.
2
*4
4406
(0.949
V)
(2.67
V
~
3.37
V)
against
Ref.1
Fig.
5-17
|
NRSYSTEM:
|
20
Hz/-8.2
dB
ey
ne
ate
(V-2RX)
|
OUT
(200
mi)
(40.0
mV
~
56.5
mv)
6.
DISC-
:
Fig.
&15
NR
SYSTEM:
—24
dB
+1.5
dB
against
(WaRX)
Disc
:
20
Hz/-8.2
dB
Ref.
2
:
“1a
bx
(15.9
mV
~
22.5
mV)
OSCILLOSCOPE
Low
distortion
AF
OSCILLATOR
DBX
PCB
.
P502
~T
1
CONNECTED
ATTENUATOR
Distortion: 0,02% or less
Output: 3 V or more
@©@®@
@@®
Low distortion
AF OSCILLATOR
ATTENUATOR
Distortion: 0.02% or less
Output: 3 V or more
TR55¢
(TPES) [|
TRE
DBX PCB
P502 ‘
+ CONNECTED
TRS4(TP64)
@©@®@
@@®@
Fig. 5-17
15