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CDP-C221
|
Note on the Transit Key
The transit key on the bottom exterior of the unit protects
the optical system against shock during transportation.
Before operating the CD player, be sure to remove the key
by following the instructions on the label, and store it in a
safe place.
When transporting the unit, replace the key in its original
hole and lock it in place.
y Transit key
NOTES
ON
HANDLING
THE
OPTICAL
PICK-
UP BLOCK
OR
BASE
UNIT
The
laser
diode
in the optical
pick-up
block
may
suffer electrostatic breakdown because of the poten-
tial difference generated by the charged electrostatic
load, etc. on clothing and the human body.
During repair, pay attention
to electrostatic break-
down
and
also use
the
procedure
in the
printed
matter which is included in the repair parts.
The flexible board is easily damaged and should be
handled with care.
NOTES
ON LASER DIODE EMISSION
CHECK
PROTECTION
OF EYES FROM LASER BEAM
DURING SERVICING
This set employs a laser. Therefore, be sure to fol-
low carefully the instructions below when servicing.
CAUTION
Use of controls or adjustments or performance
of procedures other than those specified herein
may result in hazardous radiation exposure.
1. Laser Diode Properties
@
Material:
GaAlAs
@
Wavelength:
780 nm
®
Emission Duration:
continuous
®
Laser Output:
max. 44.6 uW*
* This output is the value measured at a distance of
about 200 mm
from the objective lens surface on
the Optical Pick-up Block.
2. During
service, do not take the Optical Pick-up
Block
apart, and do not adjust the APC circuit.
If there is a breakdown in the APC circuit (includ-
ing laser diode), replace the entire Optiocal Pick-
up Block (including APC borad).
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
1.
GENERAL
5.
EXPLODED VIEWS
1-1.
Location
of Controls
CORO eee e emer
eee ena e essere seme resesenserereseseeseeeor
3
5-1.
Front
Panel and Case
Assemblies
Comm ee reece aeeeensesssareresccccenevanes
19
5-2.
Disc Tray Assembly
POPC O eH Oe Ore e eee eee Hee
HOe Een eee
eeseeeneneseoeres
20
2.
Di
4.
DIAGRAMS
SAFETY-RELATED
COMPONENT
WARNING!!
COMPONENTS
IDENTIFIED
BY MARK
A OR DOTTED
LINE WITH MARK
A ON THE SCHEMATIC
DIAGRAMS
AND
IN
THE
PARTS
LIST
ARE
CRITICAL
TO SAFE
OPERATION.
REPLACE
THESE
COMPONENTS
WITH
SONY
PARTS
WHOSE
PART
NUMBERS
APPEAR
AS
SHOWN
IN THIS MANUAL
OR
IN SUPPLEMENTS
PUB-
LISHED
BY
SONY.
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