Sanyo AWM-2100, Service Manual

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• Pickup that emits a laser beam is used on this CD section.
SAFETY PRECAUTION
(AU,PA,XE)
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.
CD ADJUSTMENTS
CD PLAYER ADJUSTMENT PROCEDURES
Adjusting Conditions:
- Test disc: Sony YEDS-18
- Pre-operating : Push open/close key to open the CD tray.
Load test disc YEDS-18, then push this key once against to close tray.
- Oscilloscope:
1) Adjustment of E/F balance
- After TOC. push play/pause key once to play and push SEARCH key to search.
- Connect the scope between the measurement points.(TSO , V-CEN)
- Then adjust the VR701 until A=B( as figure A)
2) Adjustment of RF (EYE PATTERN)
- After TOC. push play/pause key once play.
- Connect the scope and Jitter meter between the measurement points (RF , V-CEN)
- Adjustment VR702 until the wave form of eye pattern. Become may or jitter value MIN.
(as Figure B)
Figure A
Figure B