Sanyo DC-077, Service Manual

Page: 28 / 50

- 33 -
LASER BAEM SAFETY PRECAUTION
• Pick-up that emits a laser beam is used in this CD player section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN
MAY RESULT IN HAZARDOUS RADIATION
EXPOSURE
LASER OUTPUT .......... 0.6 mW Max. (CW)
WAVELENGTH ............. 790 nm
CD PICK-UP MAINTENANCE
About pick-up (Optical lens) Cleaning
Clean the lens with the specified cleaning disc or moisten a cotton swab with isopropyl alcohol and cleaning paper.
Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..... manufactured by SANYO.)
Regarding procedure of cleaning with moisten cotton swab, please refer to the attached as follows.
1. Cotton swab wrapped with Cleaning paper.
2. Add the isopropyl alcohol.
3. Gently move the tip of cotton swab just like a draw a whirlpool from inside to outside on the surface of lens.
CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE
FOR STRÅLING.
VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD
OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.
VORSICHT – UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
SYSTEM
CONNECTOR
OPTICAL DIGITAL OUT
1. Insert the pick-up rail into the base chassis.
2. If the rack of the base chassis are missing when the pick-up
rail have been installed, first wipe the tips of the rail with
alcohol.
3. After the pick-up has been replaced, apply grease (FLOIL
G-474B).
4. The pick-up P.W.Board pattern is "shorted", as shown in
the figure, so that the new pick-up will not be susceptible to
the effects of static.
5. Set the pattern to "open" after the pick-up has been
replaced.
CD PICK-UP REPLACEMENT
CD CHANGER SECTION
(SHORT) (OPEN)
(XE)