Teac X-2000R - Page 23

X-2000R
3-6-3 DECODER ADJUSTMENT
Fa—-S ME
ITEM
SETTING
INPUT
SIGNAL
ADJUST
RESULT
REMARKS
Mm
&
FSG
R=
A
nw
fF
FS
mS
fa
mw
kai
I
mh
1,
Preparation
Preset
each
of
the
trimmers
of
the
decoder
section
on
the
PCB
to
their
approximate
center
positions.
BE
i
SEEM
UI
—MECTS.
TP.1/TP.2:
2.
RMS
SYM
Clean
200
Hz
sine-wave
Refer
to
Figs.
P601-1/P601-4 R653/R654 eo eae
100
Hz/—8.2
dB
(300
mV)
14
RAZ
D'200H
z
©
IESHIK
IT
HSH!
3-12
and
3-13.
Se.
P603-1 /P603-4
3.
VCA
SYM
TP.1/TP.2
R627/R628
A
relatively
straight
horizontal
line
on
the
:
Staircase
waveform
‘scope
face’.
(Level
variation:
5
mV
or
less)
Ps
FRO
=
FRIED
E—BR
(SMV
FE)
(CSAS.
4.
Decoding
level
P601-1/P601-4 P603-1/P603-4
“Reference
1
SaL~8e
Fig.
3-16
|
4
kHz/—8.2
dB
(300
mV)
R623/R624
|
_8
9
GB
(300
mV)*
Jee
LV
AUUL
PG03-1/P603-4
P601-1/P601-4
Check
—20
dB
+1
dB
against
Ref.
1
1 kHz/-18.2 dB (95.4mV) | #247 pics pecrineery aeiiyl
Fig, 3-16
ee P603-1/P603-4
FrIvyv7
5. Operation level
Fa—-KWRF
27
PEEL
AIL
LD
OBA.
P601-1/P601-~4
1 kHz/+1.8 dB(954 mV) (2.67 V ~3.38 V)
P603-1 /P603-4
+5 dB +1 dB against Ref. 1
P601-1/P601-4
100 Hz/—8.2 dB (300 mV)
+20 dB +1 dB against Ref. 1
Check
FIVI
6.
Frequency
(477
mV
~602
mV)
response
.
‘
<
:
P603-1/P603-4
BRU
AK
H
a
at
P601-1/P601-4
Check
>
10
kHz/-8.2
dB
(300
mV)
|
F297
pe
G8
71
ab
aainet
et
ere
(793 mV ~997 mV)
3-6-4 ENCODER ADJUSTMENT
xryv1-7 RE :
ITEM
SETTING
INPUT
SIGNAL
ADJUST
RESULT
REMARKS
@
&
HA
i
=
A
nw
F
Wo
rae
hh
7,
Preparation
Preset
each
of
the
trimmers
of
the
encoder
section
on
the
PCB
to
their
approximate
center
positions.
EB
wh
S*#HEMMEt
FMRC
TS.
TP.3/TP.4
;
Clean
200
Hz
sine-wave
Refer
to
Figs.
8.
RMS
SYM
Fig.
3-17
P701-1/P701-5
R753/R754
see
ies
‘
‘
100
Hz/—8.2
dB
(300
mV)
BB
7
ee
200H
2M
EsHIRIT
ARS
|
3-12
and
3-13.
5
a.
Soar
P703-1/P703-5
‘
;
P.3/TP.4
A
relatively
straight
horizontal
line
on
the
9..
VCA
SYM
Fig.
3-18
Staircase
waveform
R727/R728
"scope
face’’.
(Level
variation:
5
mV
or
less)
easab4
E—ATWREANEIE—
BR
(SMVILF)
CSSD
-
10.
Encoding
level
:
P701-1/P701-5
P703-1
/P703-5
*Reference
2
Peer
Fig.
3-19
1
kHz/—8.2
dB
(300
mV)
R723/R724
|
_8
2
dB
(300
mV)*
$i
LN
JL2
P701-1/P701-5
ae
P703-1/P7035
1
kHz/—68.2
dB
(3
mV)
—30
dB
40.5
dB
against
Ref.
2
FIYI
(9.54
mV
~
10.1
mV)
Fig.
3-19
P701-1/P7015 Check P703-1/P7035
11. Operation level
xyva—MRFoy7
SEMEL
AIL
2
D
SORE.
1 kHz/+11.2 dB (3 V) +10 dB 40.5 dB against Ref. 2
FLII (900 mV ~ 1.01 V)
P703-1/P703-5
—2.5 dB +0.5 dB against Ref.2
(213 mV ~ 240 mV)
P703-1/P703-5
—4.7 dB 405 dB against Ref. 2
{166 mV ~ 186 mV)
P701-1/P7015
100 Hz/—8.2 dB (300 mV)
Check
Fry?
12. Frequency
response
FR HE
SEMEL AIL 2D
SORE.
Check
FrvyD
P701-1/P7015
10 kHz/—8.2 dB (300 mV)
23
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