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Tuning lnstructions for
CC
8040
Signalsource
Equipment
setting
Signal source setting
Connection
ol
measuring instrument
Item
to
be
tuned
Tuning, Remarks
Azimuth
(lift off cassette slot cover)
Test cassette
Dolby: OFF
10
kHz
AF voltmeter to
OUTPUT
Azimuth screw to
le{t of
the head
Use lacquer to
lix
at maximum
Tape
speed
Test cassette
Dolby: OFF
31
50
Hz
Frequency counter to
OUTPUT
Capstan motor rear
31
50
Hz
Playback level and
volume indicator
Test cassette
Dolby level
Dolby: OFF
400
Hz
AF voltmeter to
OUTPUT
VR 101 L+R
500 mV
VR 601 L+R
Volume display
0
dB
Recording level
AF generator
to
INPUT
LEFT/RIGHT
Dolby: OFF
Record: ON
CrOz tape
400
Hz
approx.80
mV
AF
voltmeter
to
OUTPUT
Record level control
maximum
500 mV
VR 501 L+R
500 mV
(during play)
BF
premagnetization
AF generator
to
INPUT
LEFT/RIGHT
Dolby: OFF
Record:ON
Metal tape
CROz
tape
Fe
tape
12kHz
approx. 80 mV
-20 dB
AF
voltmeter
to OUTPUT
Record level control
maxi
mum
50
mV
Metal VR
301
L+R
CrOz VR 302
Fe
VR
301
50 mV
(during play)
Check the recording level again after setting the premagnetization.
lf it
deviates (by more
than
1
dB),
repeat tuning, recording level and RF premagnetization.
RF
oscillator
Metal
Cassette
Record:ON
AF voltmeter
to
cNT
301
L 301
85 kHz
RF
Trap
Cassette
Metal
Record: ON
AF
voltmeter
to TP 3 L+R
L
302 L+R
Minimum
1
9-kHz
pilot-signal
lilter
AF
generator
to
INPUT
LEFT/RIGHT
Dolby: OFF
Record: ON
MPX: ON
Cr
tape
19
kHz
approx.80
mV
AF voltmeter to
OUTPUT
Record level control
maximum
Minimum
L
401
L+R
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