Sony CFD-K10 - Electrical Adjustments; Tape Speed Adjustment; System Control Clock Adjustment; Test Tape

sEcTtoN
6
ELECTRICAL
ADJ
USTMENTS
Perform
the
adjustments
in
the
order
that
they
are
described
below.
(It
is
expected
that
after
the
playback
system
has
been
adjusted,
the recording
system
is
then
adjusted.)
Unless
otherwise
specified, perform
the adjustment
and
measurement
for
each
channel.
.
Positions
of the
switches
and
controls
FUNCTION
.........TAPE
rss.....
..............2
DIR
MODE
...........p
VOLUME.
...standard
output
level
posruon
o
Specified
position
of recording
Adjust
the VOLUME
control
so
that
the following
output
signal level
is
obtained.
o
Standard
output
level
Output
terminal
DOLBY
otT
Signal
source
impedance
without
load
output
signal
level
0.180v
(
-
12.zdB)
r
First,
perform
the high
speed
adjustment.
(High
speed
adjustment)
2.
Place
the
CD DUB
SPEED
(5402)
in
the
,,HIGH,,
position.
Adjustment
value
: high
speed
side
is within
1%
(60H2).
(Normal
speed
adjustment)
4.
Place
the
CD
DUB
SpEED
position.
Adjustment
value:
normal
speed
(5407)
in
the
"NORMAL"
5.
Adjust
so that
the difference
in frequency
from
the
REV
side is
within
7%
(l}Hzl.
Adjuetment
Location:
control
board
(See
page
34.)
Systêm
Control
Glock
Adjustment
Procedure
:
fr€quency
counter
Connect
a frequency
counter
across
the
C605 and
verify
that
the readout
is
at
6.4kHz+40H2.
lf it
is
outside
the range,
adjust
RV603.
Adjustment
Location
I control
board
(See
page
34.)
Adjustment
point
Speed
cheker
reading
Frsquency
countêr
rsadlng
RV6O2
-1.77
to
-0.83%
5,930
to 5,950H2
3.
Adjust
so
that
the
difference
in
frequency
from
the REV
.
Test
tape
Type
Signal
Used
for
ws-48A
3kHz,OdB
tape
speed
adjustment
P.4-A100
l0kHz,
-10d8
record/playback
head
azimuth
and
phase
ad-
justment
P.4-L300
315H2,
OdB
playback
level
adjust-
ment
cs-122
record
bias
adjustment,
record
level
adjustment
Adjustment
part
Speed
cheker
reading
Frequency
counter
readlng
RV6O1
-7
to
+1oÀ
2,970
to 3,030H2