Onkyo KSS 213 laser Service Manual

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Apply 1-hour aging to the unit and m ake sure ag ain that the IP is still in the specified range. Note : IP in creases as the tem perature goe s up because the resistance goes down. After aging, the increase in value should be within 5% of the Standard Value. Exam ple: before aging value Æ 37-38m A., suitable value after aging Æ 40m A. If the IP rapidly increases, the Photo Diode has a problem . In this case, the Optical Pickup needs replacing. 2.) Visual C heck Check to see the Lens has not dropped. If so, Focus Zero Cross is not correctly posit ioned and, in m ost cases, the outerm ost track (TR 15) of the Test Disc cannot be play ed. Replace the Pickup with a new one. 3.) Test Disc Check: ABEX TCD-731RA Check to see if the outermost track (TR 15) can be played. Check whether there is only a sm all difference in Jitter values between the innerm ost (TR 1) and the outerm ost track (TR 15). Ref erence Jitte r Value: S tandard jitte r value varies depending on the m easuring instrum ent. It is preferable to set the value in advance by checking a known good unit. Note : If the ABEX Test Disc has a lot of scratc hes, fingerprints, dirt, etc., the Jitter value tends to be slightly higher. If either of the above tw o checks (Visual a nd Test Disc) is not good, replace the Pickup with a new one. Serial Nu mber Ran ge: All ____ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ _ CO NFI DENT IALITY NOTICE: This docu ment and the inf ormation it contains is intende d for th e exclusive use of Authorized ONKYO Servic e Centers and their employ ees. This docu ment may contain inform ation that is pr ivileged, confidential and exem pt fr om disclosur e under applicable law and ter ms of the O NKYO Service Ag reement. Any diss emination, distribution or copying of this docu ment and the inf ormation it contains is str ictly prohibited.