SCD-555ES - Sony Audio Service Manual (repair manual). Page 3

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3
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential 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
The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
SECTION  1
SERVICING  NOTES  (1)
NOTES  ON  HANDLING  THE  OPTICAL  PICK-UP
BLOCK  OR  BASE  UNIT
HOW  TO  OPEN  THE  DISC  TABLE  WHEN  POWER  SWITCH  TURNS  OFF
disc table
loading panel ass’y
tapering driver
cover (CAM)
2
Draw out the loading panel ass’y
in the direction of arrow 
B
.
1
Insert a tapering driver in the hole
at the bottom of the unit,
turn the cover (CAM) fully in the
direction of arrow 
A
.
B
A
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