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DR-E22BK
DR-E22LBK
Adjustment Method
Adjustment | Standard
Location
Value
Recording
1)
Level
Add a 1 kHz (—8
dbs) input to the
AUX
terminal and record on the
left and right channels using nor-
mal tape.
2) When playing this back, adjust the
recording
signal current.so
that
output between
(L) of
P903 and @) —(@) (R) of P903 is
~—3 dbs.
Record a 1 kHz (-— 8 dbs) AUX in-
R689 (L)
R6SO (R)
* | Recording/
| 1)
5 | playback
put signal.
distortion
2) Play this back and check the out-
check
put with
a. distortion
meter
to
make sure it is the rated value.
6 | Recording/
| 1) Record 1 kHz (—8 dbs) AUX out-
playback
put
signal.
While
recording,
S/N ratio
remove
the
input
and
record
check
without a signal.
2) Play this back and use an elec-
tronic voltmeter to compare the
O dB recording output and the out-
put of the recording
without
a
signal to make sure this is the rated
value.
Record a 1 kHz (O dbs) AUX input
signal.
2) Rewind
and
erase
part
of the
recorded section.
3) Compare
the
outputs
of
the
recorded and erased sections us-
ing an electronic voltmeter.
7 | Erase ratio
ENJ-012 :
—3dbs_
| Adjust with normal tape and make sure
+1 dB
that the level difference is 1.5 dB or
less
with
metal
tape
and
that the
left/right level difference is 1.0 dB or
less.
2% or
Perform
after the
bias
current
and
less with | recording level adjustments.
normal
tape or
metal
tape.
42 dB or
more with
normal
65 dB or
more
Connect a 1 kHz band-pass filter bet-
ween the deck and electronic voltmeter
when making the adjustment.
Auto-stop
Make sure the auto-stop does not operate near the end or rewinding. Adjudt the gap between the magnet
check
and Hall IC to 0.5£0.3 mm or less.
Music scan
|1. Use TMT-6237
and select a song at the end of FF SCAN
and at the start of REW SCAN.
check
2. Song selection is not possible with TMT-6247.
[Dreso
[Dress
ee iad
1-18
INa
2940}
ENJ-011
ENJ-004
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