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3-2,
ELECTRICAL
ADJUSTMENTS
Note:
The adjustment
should be performed in
the order given in this service manual.
The adjustments
should be performed
for both L-CH and R-CH.
BIAS
and
EQ
switch
settings
in accordance
with tape used are as follows.
[Tene [BIAS switch [FO awe
CS-10
NORMAL
NORMAL
CS-20
HIGH
CrO,z
CS-30
NORMAL
Fe-Cr
Switches and controls should be set as follows
unless otherwise specified.
DOLBY
NR switch:
OFF
LINE OUT/HEADPHONE
LEVEL
control:
MAX
EQ switch:
NORMAL
BIAS switch:
NORMAL
MEMORY
switch:
OFF
REC MUTE
switch: .
OFF
Standard Record:
Deliver
the standard
input signal level to the
input jack and set the MIC REC VOL and LINE
REC
VOL
controls
to obtain
the
standard
output signal level.
Standard Input Level
REC/PB
{AEP and
E model)
0.77 mV
0.25V
(-10 dB)
LINE IN
input level
Standard Output Level
VARIABLE| FIXED]
jeap. | REC/PB
LINE
LINE | pHones|(AEP and
OUT
OUT
E model)
site a
0.775V
[0.44V | 95mvV | 0.775V
wtp
(OdB)
|(-5 dB) | (-184B)|
(OdB)
TC-K6/K6B
Tape Speed Adjustment
Procedure:
Mode:
Playback
speed checker
LFM-30
or
digital frequency
counter
test tape
-4
(3 kHz, OdB)
LINE OUT
(FIXED)
Specification:
Speed checker
-0.7-+0.7%
Digital frequency counter
2,980—3,020 Hz
Frequency
difference
between
beginning
and
end of tape should be within 0.7% (20 Hz).
Adjustment Location:
RV1001
servo amp board
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