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3.
Checking
the
pickup
actuator operation
Before loading
the
disc,
turn
the
power
ON
and
check
that the
pickup
actuator
moves
up and
down
six times.
(If
the
pickup
is
not
at
inside
on
the
disc,
perform
the
above
operation
after
moving
the
pickup
to
the
inside.)
4.
Focus
offset
check
1.
Connect
the
jitter
meter between
RF
terminal
of
R423
on
the
MAIN PCB
and
GND.
2.
Play
the track
1
of the
test
disc
MCD-111.
and check
that the
jitter
value
is
SOnsec
or
less.
(RF
level
;
1
±0.2
Vp-p)
5.
Audio check
3. f-:,
.y
/7
97
y
T'Atfirtja
Ih
fi
I
'
i §
IJ
.
l.adKl-fV-r
4.
hSitS
1.
MAIN PCBO5R423
03RFfig^i
GND
Wlh
•>'
>
5-
-
-
9
2.
MCD-111
«llUiU«-li)'liLfcti.
vy9-
m<
30nsec
WT-C*) 5
C
i
6
=
(RF
UA./P
;
1
±0.2Vp-p>
ITEM
DISC:
MCD-111
SPECIFICATIONS
REMARKS
II
S
TRACK
No.
FREOUENCY/LEVEL
m
IS
m
m
1
.
Output
level
2
IkHz,
OdB
UNBAL OUT
;
2 ±
0.5
Vrms
tli*
PHONES OUT
;
0.9
±
0.3
Vrms
PHONES VR
;
MAX
32
Q
load
2.
Channel
level
difference
2
1kHz,
OdB
UNBAL OUT
;
1
d6
or less
PHONES OUT
:
2.5
dB
or
less
3.
Harmonic
diatortion
2
1
kHz.
OdB
PITCH
CON
OFF
:
0.006
%
or
less
PITCH
CON ON
:
0.04
%
or less
400Hz
HPF
in
20kHz LPF
in
4.
Frequency
response
3~6
20Hz--20kHz,
OdB
Within
±
0.5
dB
reference
level
;
IkHz
5.
S/N
ratio
S/Nit
7
-codB
90
dB
or
better
20
kHz
LPF
in
A-
weighted
6.
Channel
separation
t/fL/—
•>
3
y
8.
10
1kHz,
OdB
85 dB
or better
20
kHz LPF
in
A-
weighted
5
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