Sharp SYSTEM-CD130H Service Manual page 2

SYSTEM-CD1T30h
© SAFETY PRECAUTION FOR
SERVICE MANUAL
Precaution to be taken when replacing and servicing the
Laser Pickup. a
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER
OUTPUT IS LESSRHAN CLASS 1 BUT THE LASER COMPONENT IS
CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR
CLASS 1. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING
PRECAUTIONS ARE OBSERVED DURING SERVICING TO
PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER
BEAM.
1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED ON
' WITDOUT A COMPACT DISC IN POSITION AND THE PICK-UP IS
ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL
SECONDS TO DETECT A DISC. DO NOT LOOK INTO THE PICK-
UP LENS.
2-THE LASER POWER OUTPUT OF THE PICK-UP UNIT AND
REPLACEMENT SERVICE PARTS ARE ALL FACTORY PRE-SET
BEFORE SHIPMENT.
DO NOT ATTEMPT TO RE-ADJUST THE LASER PICK-UP UNIT
DURING REPLACEMENT OR SERVICING.
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICK-UP LENS
AT ANY TIME.
4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR
PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION
EXPOSURE. .
Laser Diode Properties
e Material: GaAlAs
» Wavelength: 780 nm
e Emission Duration: continuous
« Laser Output: max. 0.6 mW
CLASS 1 LASER FROOUET
APPAREIL A LASEW DE GLASSE 1
PHODWCTO LASER OE CLASE 1
LASER KLASSE 1
LUOKAN 7 LASERLAITE
KLASS 1 LASERAPPARAT
CAUTIONINVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO
BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA
FJ IN { STRALEN OCH BETRAKTA Ft STRALEM MED OPTISKA INSTRUMENT.
ADVERSFL-USYNUIG LASERSTRALING VED ABNING SE [KKE IND [
STRALEN-HEILER IKKE MED OPTISKE INSTRUMENTER,
ARO! AVATTAESSA OLET ALTTUNA NAKYBIATON LASERSATEILYLLE.
ALA TUUOTA SATEESEEN ALAKA KATSO SITA OPTISEN
VARNING-OSYNLIG LASERSTRALNING NAR OENNA DEL AR OPPNAD.
STIRKA EJIN [ STRALEN OCH BETRAKTA EI GENOM OPTISKT
INSTRUMENT.
ADVERSEL,-USYNLIG LASERSTRALING NAR DEKSEI. APNES. STIRRIKKE
INN [ STRALEN EALER SE DIREKTE MED OPTISKE INSTRUMENTER.
VARNING-OSYNLIG LASERSTRANING NAR DENNA DEL AR
OPPNAD. STIRRA EJ IN] STRALEN OCH BETRAKTA Ed STRALEN
MED OPTISKA INSTRUMENT.
VARO! AVATTAESSA OLET ALTTIINA NAKYMATON
LASERSATEILYLLE.
{ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN
LAITTEEN LAPI.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR
OPPNAD. STIRRA EJ INISTRALEN OCH BETRAKTA EJ STRALEN
GENOM OPTISKT INSTRUMENT.
IMPORTANT SERVICE NOTES (FOR UK ONLY)
Before returning the unit to the customer after completion of a
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.
set value
4,240 VPEAK
3,000 VRMS
Set time 6 secs
Set name
Withstanding Voltage Tester
Test voltage
Set current(Cutoff current} 4mA
Unit
Judgment
OK: The "GOOD" lamp lights.
NG: The "NG" lamp lights and the buzzor sounds.
WITHSTANDING
VOLTAGE TESTER
SHORT-CIRCUIT CONNECT THE PROBE
AC POWER TO GND BATTERY
SUPPLY CORD TEAMINAL