Teac X-3R - Page 11

MODE/
INSTRUCTION
CONNECTION
15-1] Fig. 3-2 YTT-8053
Bias/EQ: EE
1 kHz/—12 dB ‘
YTT-8013 and YTT-8053| (195 mV) ee ae
16.
Signal-to
|
16-1}
Fig.
3-2
HIGH
and
LOW
then
Check
EE
m
noise ratio LH (II) and EE no-signal record- HIGH: 48 dB
ing 7
{ tow. 46 dB
Fig,
3-2
Test
tape:
YTT-8053
1
ee
heen
OUTPUT:
—65
dB
17,
Erase
effi-
|
17-1|
Switch
ON
1
kHz
|
SPEED
sw.:
HIGH
-
Check
"
filte
Bias/EQ:
EE
VU)
then
(436
nV
or
less)
Glency,
Mer
:
no-signal
record-
(70
dB
min.
ing ratio)
.
REC
Fig,
3-2
Test
tape:
YTT-8053
|!
erie
‘
SETE
CT
Rome
MUTE Switch ON 1 kHz | SPEED sw.: HIGH x Check
function
filter
Bias/EQ:
EE
VU)
then
(0.775
mV
or
less
: record muting (65 dB min
Reguired signal/
—22 dB
(61.5 mV)
Required signal/
—32 dB
(19.5 mV)
L: 1 kHz/—12 dB
SIGNAL
SOURCE
ADJUST
(or CHECK)
LH IT
OUTPUT
ratio)
R: —55 dB or
| X-3R
Real
mee
ee
Ratio of specified
OUTPUT signal
(—5 dB)to inherent
noise level
Ref. OUTPUT level:
+5 dB
The worst value
should be within
specification.
Ref. OUTPUT level:
+5 dB
The worst value
should be within
specification.
Fig, 3-2 Test tape: YTT-8053
Switch
ON
1
kHz
|
SPEED
sw.:
HIGH
(195
mV)
more
Find
the
difference
19. Channel filter Bias/EQ: EE R: No signal (1.38 mV or less) between the 1 kHz
sapara- record. (50 dB min. ratio) recorded portion
tion - and the no-signal-
L: No signal record. recorded portion
R: 1 kHz/—12 dB
{195 mV)
2 125 Hz/—12 dB
20-1
|
Fig.
3-2
Same
as
19-1
=
20. Adjacent UBS cv)
track
At both channels:
crosstalk " Interchange R and L Check 125 Hz: —45 dB or
reels then playback more
(4.36 mV or less)
(40 dB min. ratio)
1.0% or less
: YTT-8013 and YTT-8053
21.Distor- 94-4 Fig. 3-2 SPEED sw.: HIGH TkHz/-12dB | check w/ LH (i)
tion (195 mv) 1.5% or less
LH (II) and EE
w/ EE
[oe =e
LH, YTT-1003 LHI, YTT-8013
sees EE, YTT-1053 ~-~---- EE, YTT-8053
+4 +4
= + 3108) is —| + 3(4B)
0 7 0 ;
-2
1
-2
i
-4
N
-
4(¢B)
-4
4
-
4,46)
(dB) 26k (dB) 30k
t 1 tJ i cl J _i_!
40 400 20k (Hz) 40 400 16k 20k (Hz)
Fig. 3-6 Playback frequency response (HIGH) Fig. 3-8 Overall frequency response (HIGH)
LH, YTT-1002 LHI, YTT-8013
seo
as
EE,
YTT-1052
~------
EE,
YTT-8053
+4 +4
a + 3(¢B) eo s+ 3148)
i
to)
0
]
-2
|
-2
1
-4 “I = 4(¢B) -4 IS - 4 (08)
(dB) 18k {dB} 22k
L I oe) LU 1 faa ee Oe
40 400 14k (Hz) 40 400 10k 14k (Hz)
Fig. 3-7 Playback frequency response (LOW)
Fig. 3-9 Overall frequency response (LOW)
"1