Dual CC 8035 Serviceanleitung Seite 3

Tuning
lnstructions for
CC 8035
Signal source
Equipment
setting
Signal
source setting Connection of
measuring instrumenl
Item
to be tuned
Tuning, Femarks
1)
Azimuth
deck 1+2
lift of cover
over
cassette slol
Test
cassette
Dolby: OFF
Normal: ON
10 kHz
AF voltmeter
to OUTPUT
Azimuth screw
to
left of the head
Use laquer to fix at maximum
2)
Tape speed deck
1
+2
Attention: Adiust low speed
first.
Test cassette Normal: ON
31
50 Hz Frequency counter
to
OUTPUT
deck
1
VR 702
deck 2 VR
703
31
50
Hz
deck
1
VR 701
deck
2
VF
704
TP
Hi
Speed
to
Eadh 4750
Hz
3)
Playbacklevel
deck 1+2
Test cassette
Dolby-level
Normal: ON
Dolby: OFF
4OO
Hz
AF
voltmeter
to OUTPUT
deck
1
VR 101 L
VR 101
R
500 mV
deck 2
VR
201
L
VR 201 F
4)
Recording level
deck
2
AF
generator
to
INPUT
left/right
Dolby: OFF
Becord:
ON
Ivetal: ON
l\,4etal
Tape
4OO
Hz
approx. 80 mV
AF voltmeter
to OUTPUT
Record
level
control
max,
500 mV
VR 401
L./R
500
mV
(during
play)
5)
RF
premagnetization
AF
generator
to
INPUT
left/right
Dolby: OFF
Record:
ON
l\,4etal
Tape
10 kHz
approx. 80
mV
AF voltmeter
to OUTPUT
Record
level
control max.
50
mV
basic setting
VB 601 UB
50
mV
(during
play)
CrO2 Tape
Fe Tape
VR 603
VR
602
50 mV
(during
play)
Check the recording
level
again after setting the premagnetization,
lf it dev ates (by more
than
I
dB), repeat tuning, recording
level
and
RF
premagnetization.
6)
RF
oscillator
l\,4etal
Cassette
Record: ON
lvletal:
oN
Frequency
counter
to
cND
601
L 601 approx. 105 kHz
7)
RF
trap
Metal
Cassette
Record: ON
Metal: ON
AF voltmeter
to TP 6
L,/R
L
603
L,/R
Minimum
8)
19 kHz
pilot-signal filter
AF
generator
to
INPUT
Record:
ON
lvletal: ON
19 kHz
approx. 80 mV
AF voltmeter
to OUTPUT
L
301 UR
Min
mum
9)
HX-Pro coil
Record:
ON AF
voltmeter to
lC
601
Pin
6+
13
L
602 UB
Minimum