Akai CD-57 - Page 3

* INFORMATION
PRECAUTIONS IN REPAIRING
When repairing or adjusing the unit, pleae note the follow-
ing points.
1. Do not put excessiv pressure on the mechanical part
(operation part), including the pick-up block, as ex-
tremely high mechanical precision is required in these
parts.
2.When the base is removed for repair or adjustment,
make sure that there are no metal obiects in the nar-
row gap between the P.C.board or the mecha parts
and the base.
3. The Micro-Computer and the CD signal processing !Cs
can be damaged by static electricity or leakage from a
soldering iron during repairing.
While soldering, please take the precautions against
leakage as in the illustration.
7 GNO
4. Do not loosen any screws in the pick-up block.
When handing the pick-up block, please refer to the
points to NOTE when replacing the pick-up block.
5. Keep safety for hazardous invisible Laser Radiation,
DO NOT watch the Laser Beam (Objective lens) di-
rectly.
6. Models for the some countries, laser warning labels
are affixed on the unit and inside of the unit, as shown
below.
Read it carefully for your safety, when repairing or ad-
justing the unit.
———— Om SERVICE MANUAL.
SYMBOLS FOR PRIMARY DESTINATION
Primary destination of units are indicated with the follow-
ing alphabet.
Symbols Principal Destinations
B UK
[E] Europe (except UK)
Ss} | Australia
(Vy Germany
U Universal Area
Custom version