Safety Precaution For Service Manual (Md-Ms200H Only) - Sharp MD-MS200W Service Manual

MD-MS200W/MD-MS200/MD-MS200H

SAFETY PRECAUTION FOR SERVICE MANUAL (MD-MS200H ONLY)

Precaution to be taken when replacing and servicing the
Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output for
this model is specified to be lower than Class I Requirements.
However, the following precautions must be observed during
servicing to protect your eyes against exposure to the Laser:-
(1) When the cabinet has been removed, the power is turned
on without a compact disc, and the Pickup is on a
position outer than the lead-in position, the Laser will
light for several seconds to detect a disc. Do not look into
the Pickup Lens.
(2) The Laser Power Output of the Pickup inside the unit and
replacement service parts have already been adjusted
prior to shipping.
(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup
Lens at any time.
(5) CAUTION - Use of controls or adjustments, or performance
of procedures other than those specified herein may
result in hazardous radiation exposure.
CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED
AVOID EXPOSURE TO BEAM .
VARNING - OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH
SPÄRRAR ÄR URKOPPLADE. STRÅLEN ÄR FARLIG.
ADVARSEL - USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS
BRYTES. UNNGÅ EKSPONERING FOR STRÅLEN.
VARO! AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYMÄTÖN LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEN.
VARNING - OSYNLIG LASERSTRÅLING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRREN
ÄR URKOPPLAD. BETRAKTA EJ STRÅLEN.
ADVARSEL - USYNLIG LASERSTRÅLING VED ÅBNING NÅR SIKKERHEDSAFBRYDERE
ER UDE AF FUNKTION. UNDGÅ UDSETTELSE FOR STRÅLING.
VAROITUS! LAITTEEN
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA
KÄYTTÄJÄN TURVALLISUUSLUOKAN 1 YLITTÄVÄLLE
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN I DENNA
BRUKSANVISNING SPECIFICERAS. KAN ANVÄNDAREN UTSÄTTAS
FÖR OSYNLIG LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN
FÖR LASERKLASS 1.
VARO! Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle. Älä katso säteesee.
VARNING! Osynling laserstralning när denna del är öppnad och sp¨årren är urkopplad. Betrakta ej strälen.
Precaution to be taken when replacing and servicing th laser pickup.
The following precautions must be observed during servicing to protect your eyesagainst exposure to the laser.
Warning of possible eye damage when repairing:
If the AC adaptor or batteries are connected when the top housing (disc cover) of the unit is removed, and the PLAY key is
pressed, the laser will light up during docus access (2-3 seconds). (Fig. 2-1)During the operation, the laser will lesk from the
opening between the magnetic head and the mechanical chassis (Fig. 2-2). In order to protect your eyes, you most not look at
the laser durnd repaor. Before repaoring, be sure to disconnect the AC adaptor and remove the batteries.
Lift motor
Magnet head
Optical pick-up
Display PWB
Figu re 2-1
KÄYTTÄMINEN MUULLA KUIN
Disc cover
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
Laser Diode Properties
TÄSSÄ
Mechanism
Chassis
Disc motor
– 2 –
Material: GaAIAs
Wavelength: 785 nm
Pulse time:
Read mode: 0.8 mW Continuous
Write mode: max 10 mW 0.5
min cycle 1.5S
Repetition
Magnet Head
Main PWB
Optical Pick-Up
Figu re 2-2
Lasar Beam