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LD-V4300D
8. ADJUSTMENT
8.1 ADJUSTING JIG AND TOOLS RE-
QUIRED FOR ADJUSTMENT
• Small
flat-
bladed
0
screwdriver
(with a
shaft
of
about
7cm)
•
Sm.111 philips
0
screwdriver (with
a shaft of
more
than
15cm)
• Hexagonal
wrench (Allen
wrench)
(2.00mm)
• Low
-
pass
filter
ClOOkO
+
lµF)
•
Dual-trace
oscilloscope (with delay)
•
Frequency coonter
• LD
test
disc
{GGV1003
:
NTSC,
Jl: PAL>
•
8
-
inch
LDD disc (commercially available)
•
Shorting clip
•
Digital
voltmeter
8
.2
PREPARATIONS AND PRECAUTIONS
FOR
ADJUSTMENT
L Perform the adjustment after rt:moving
t
he disc
tray
(Fig. 8-1) aud
eba.nging
to the
service
mode
in
the
test
1nocle
(see
"7.
TEST
MODE~
).
2.
f-low
to
clamp a
disc
After the disc tray
is
removed,
insert a dtSC
from
the
rear
of
the player. To clamp
the disc, extend
the
tock
levers lo-
cated
on
both
sides
of
the
base
toward
outwards,
then
push
them toward the
rear.
(Fig. 8-2)
3.
How
to
reassemble the tray
Insert the disc
tray while applying the
half-tooth
por-
tion
of
the
gear to the gear
of
the
disc tray.
(Fig. 8-
3)
NOTE:
T/Je
setting
values fer
the
oscilloscope for
the
adjustme11t
.ire tl1cse
when
used
wit/1
the
10: l
probe
unless
otl1erwi$e
specified.
1
0
2
Lock lever
Ill
Lock
lever
(Rl
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