Onkyo DR-645(S)/(B) Service Manual page 7

PLAYABILITY CHECK
For sets which are compatible with CD-RW discs
use CD-RW Printed Audio Disc ....................7104 099 96611
TR 3 (Fingerprint)
TR 8 (600μ Black dot) maximum at 01:00
: Fingerprint 10seconds
For all other sets
use CD-DA SBC 444A
TR 14 (600μ Black dot)
TR 19 (Fingerprint)
TR 10 (1000μ wedge)
: 1000μ wedge 10seconds
Fingerprint 10seconds
CUSTOMER INFORMATION
It is proposed to add an addendum sheet to the set which
The lens cleaning (method 3 ) should be mentioned in the
addendum sheet.
The l wording in national language as well as the printing
is under responsibilit o the Regional Service Organizations.
LIQUID LENS CLEANING
This to avoid that little particles make scratches on
the lens.
"Cleaning Solvent
clean cotton bud moistened with the special lens cleaner.
the picture below.
3-2