Teac CX-350 - Adjustment and Test Point Locations; REC;PLAY AMPL. PCB Test Points

CX-350/CX-351
MEASURING
ADJUST POINT
INSTRUCTION
INPUT
SIGNAL
(or
CHECK)
REMARKS
RESULT
=
@
Connection
—
Fig.
5-1,
But
do
not
connect
LINE
IN
(L}
and
OUTPUT
(L).
@
Record
125
Hz
on
Rh.
Note
output
level
of
its
recorded
portion.
Invert
tape
and
play
R-ch
track.
Check
leakage
level
against
the
output
reference
19.
Adjacent
track
of
previously
recorded
portion.
crosstalk
LINE IN
Co (CrO2}/MTT-506 nae ees ap | Check es ratio
(275 mV)
@
Record
1
kHz
with
Dolby
NR
switch
to
OUT.
Play
its
portion
with
switch,
OUT
and
IN.
Get
the
output
level
differenca
between
OUT
and
IN
positions.
|
Repeat
the
above
process
for
10
kHz.
LINE
IN
OUTPUT
20.
Dolby
NR
effect
Co
(CrO2)/MTT-506
1
kHz/—29
dB
Variation
(27.5
mv)
3dB~8dB
LINE IN OUTPUT
Co
(CrOz)/MTT-506
10
kHz/—39
dB
Variation
(8.69
mv)
8
dB
~
12dB
5-4.
ADJUSTMENT
AND
TEST
POINT
LOCATIONS
REC/PLAY AMPL PCB-1I3
? Fig. 5-6
10