Sony CDP-590 - PROTECTION OF EYES FROM LASER BEAM DURING SERVICING; Laser Diode Properties

CDP-590
PROTECTION
OF
EYES FROM LASER BEAM DURING
SERVICING
This set employs
a laser. Therefore,
be sure to fol-
low
carefully the instructions
below when servicing.
CAUTION
Use
of
controls
or adjustments or
performance
of procedures
other than those specified
herein
may result in
hazardous radiation exposure.
1
.
Laser
Diode Properties
• Material: GaAlAs
•
Wavelength; 780 nm
•
Emission Duration: continuous
•
Laser
Output: max.
44.6
/^W*
*
This output
is the value measured
at a distance
of
about
200 mm from
the
objective
lens surface
on
the Optical Pick-up
Block.
2. During
service,
do not
take the Optical Pick-up
Block apart, and do
not adjust the APC circuit.
If there
is a
breakdown
in the APC circuit (includ-
ing laser diode),
replace
the entire Optiocal Pick-
up Block (including
APC
borad).
BESKYTTELSE
AF 0JNE MOD
LASERSTRALING UNDER
SERVICE
I
dette apparat anvendes
laserlys. Derfor
skal
nedenstSende instruktioner
noje folges under service.
Folg iovrigt
instruktionerne
I servicemanualen.
AOVARSEU!
Under service
md
djnene
ikke komme naer objektiv-linsen
pS den optiske pick-up enhed. I tilfaelde af at det
er
nedvendigt at kontroilere udsendetsen af
iaserivs> skal
det
ske i
en afstand
af mere
end
25 cm fra den optiske
pick-up.
1 .
Laser-didoe data
•
Materiale: GaAlAs
•
B^lgelaengde; 780
nm
•
Udstraling:
Kontinuerlig
• Laseroutput:
Max. 0,4
mW*
•
Malt i
1,6
mm afstand fra
overfladen af objektiv-
linsen
pa
den
optiske pick-up enhed.
•
Klassifikation:
Klasse
EUb.
2. Adskil aldrig den optiske
pick-up enhed under
service,
og juster ikke
APC kredslobet (Automatic
Power
Control). Hvis
APC kredslobet (incl. laser-
dioden) bryder ned, skal hele
den optiske
pick-up
enhed
(incl. APC printkortet) udskiftes.
3