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Sony HCD-CP11 - Page 14

Sony HCD-CP11
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Playback
level
Confirmation
and
Adjustment
Procedure:
Mode:
Playback
test
tape
WS-48B
(3
kHz,
0
dB)
frequency
counter
==
—
=]
eke
MAIN
board
af
LINE
OUT
jack
(PJ301)
L-CH,
R-CH
Confirm
playback
level
is
within
specification
values
as
follows.
If
these
levels
are
out
of
specification
values,
adjust
the
RV151
(L-
CH)
and
RV251
(R-CH)
on
the
MAIN
board
so
that
the
level
meter
reading
become
within
specification
values.
Specification
values:
PJ301
PB
level:
301.5
to
338.3
mV
(-8.2
to
—7.2
dB)
level
difference
between
the
channels:
within
+0.5
dB
Adjustment
Location:
MAIN
board
REC
Bias
Confirmation
and
Adjustment
Procedure:
1.
Mode:
Record
MAIN
board
MD
IN
jack
(P.J301)
L-CH,
R-CH
Bee
+
50
mV
(23.8
dB)
»)
10
kHz
AF
OSC
blank
tape
600Q
CN-123
C2]
stent
co
onal
oo
t'loood
oO
Oo
o
Ld
2.
Mode:
Playback
recorded
portion
bE
MAIN
board
LINE
OUT
jack
(PJ301)
L-CH,
R-CH
level
meter
3.
Confirm
playback
the
signal
recorded
in
step
1
become
specification
values
as
follows.
If
these
values
are
out
of
specification
values,
adjust
the
RV153
(L-CH)
and
RV253
(R-CH)
on
the
MAIN
board
to
repeat
steps
land
2.
Specification
values:
Playback
output
of
315
Hz
to
playback
output
of 10
kHz:
+
0.5
dB
Adjustment
Location:
MAIN
board
REC
Level
Confirmation
and
Adjustment
Procedure:
1.
Mode:
Record
MAIN
board
MD
IN
jack
(PJ301)
L-CH,
R-CH
315
Hz,
50
mV
(-23.8
dB)
AF
OSC
600
Q
attenuator
1
11000
oo
ae
|
blank
tape
CS-123
2.
Mode:
Playback
level
meter
———o
+
MAIN
board
aE
LINE
OUT
jack
(PJ301)
L-CH,
R-CH
3.
Confirm
playback
the
signal
recorded
in
step
1
become
specification
values
as
follows.
If
these
values
are
out
of
specification
values,
adjust
the
RV252
(R-CH)
and
RV152
(L-CH)
on
the
MAIN
board
to
repeat
steps
1
and
2.
Specification
values:
PJ301
PB
level:
47.2
to
53.0
mV
(~
24.3
to
—
23.3
dB)
Adjustment
Location:
MAIN
board
-
MAIN
BOARD
(Conductor
Side)
-
LINE
OUT
(L/R)
PJ301
<
MD
IN
(L/R)
VIDEO
IN
(L/R)
'
'
t
’
‘
1
’
‘
RV252
(R)
REC
Level
RV152
(L)
RV251
(R)
RvV151
(L)
(
Playback
Level
'Q:'O;—
AV253
(R)
ps
caer
RV153
(L)
REC
Bias
13

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