Monitor Performance - Teac A-550RX Service Manual

Stereo cassette deck
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5-4 MONITOR PERFORMANCE
Deck settings:
RECORD-PAUSE
mode
NR SYSTEM sw. — OUT
INPUT sw. — LINE
OUTPUT cont — Spec. position (item 2)
A-SSORX
MODE/
SIGNAL
ADJUST
PTE
CONNECTION
INSTRUCTION
| SOURCE
(or CHECK)
QUEET
digittiaee|
|
}
NOTE:
To pre-
vent mismeasure-
ments, any
Fig. 5-2
RECORD cont. — Max.
pe ~67
connection cords
But, LINE IN>
dB =3 cB
Check
_5 dB (436 mV) _| except these for
MIC
(245 uv ~
each input check
INPUT — MIC
489 UV)
must be removed.
MIC Min. input
level
Fig.
5-2
ou
DIN min. input
7. Min, input
Bee LINEN
| | INPUT MIC
Cee
"
-
level (for Europe
level
DIN IN
19.5 mV)
model only)
Levis
ates eres
ia
aoe, +
oe
en
ee
ee
ee
ee
ob oo enn nn ow
eo nr
qn ne
on
on
we
po
enn
nnn
wee
ee
eet
Per rrr remem rn
| 400,H2/—19
LINE IN min.
Fig. 5-2
INPUT—LINE
(61.5 mV
"
"
input level
| ~ 123 mV)
Shee
eee
difference between
:
'
L and R is 2 dB or
7
.
.
aii
more, cut jumper
3dB
(Fig. 5—12) on the
lower reading ch.
@ Spec. LINE
input level
@ Spec.
LINE input
condition
Fig. 5—2
=
400 Hz/~9 dB | RECORD cont. | —5 dB (436 mV)
IMPORTANT:
(275 mV)
After this, do
not move
RECORD
cont.
during any
8. Spec. LINE
frau level. ene natn We veactaetsaesh allo eer oer a eee neces Eee Ree re Oe dice
OSC > ATT
to LINE
IN
580
mV +1 dB
ea)
Spec. LINE input cond.
"
Check
(518 mV 652 mV)
TP2 (on
R/P AMPL.
/
PCB) and
c
GND
|
9.
Peak level
400
Hz/—
+
meter
Fig. 5-2
Spec. LINE input cond.
| 278 se
Check
ee pan on peak
O° (IN PHASE)
45°
D @
30°
180
T-1493
PHONES
AC Voltmeter
Fig. 5-6

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