Bose Life CD5 Series I Service Manual page 32

5.3 Skip back to the beginning of track 2.
5.4 Adjust R527 until the meter reads
between 23.2 ± 1.5mVrms.
6. Tracking Offset Readjustment
6.1 Refer to procedure 2 and readjust if
necessary.
Final CD Verification Tests
Note: Audible defects are defined as CD
dropouts or skipping during play. All units
must be able to pass these tests without
any audible defects.
1. Warp
1.1 Insert Abex test disc TCD-732RA (or
equivalent). Play track 16 (.7 mm).
1.2 Pause the CD and confirm that there
are no mechanical scraping sounds.
1.3 Access track 16 again and confirm that
it plays properly.
2. Eccentricity
2.1 Insert Abex test disc TCD-714R
(equivalent test disc must be eccentric by
210µm).
2.2 Play track 1 (210µm). Listen for at least
4 seconds.
2.3 Access track 15 ( or furthest track on
equivalent disc) and confirm that the unit
plays properly.
3. Optical Defects
3.1 Insert Abex test disc TCD-725 (or
equivalent).
3.2 Void: Play track 6 (1mm). Listen for at
least 6 seconds.
3.3 Black dot: Play track 9 (.8mm). Listen
for at least 8 seconds.
CD TEST PROCEDURES
31
3.4 Fingerprint: Play track 15 (75µm).
Listen for at least 10 seconds.