HCD-S500/S800
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
Self-diagnosis Function
The laser diode in the optical pick-up block may suffer electrostatic
(When letters/numbers appear in thebreak-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
display)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
When the self-diagnosis function iscare.
activated to prevent the system from
NOTES ON LASER DIODE EMISSION CHECK
malfunctioning. In this case a five-character
The laser beam on this model is concentrated so as to be focused on
service number (e.g., C 13 00) with a
the disc reflective surface by the objective lens in the optical pick-
combination of a letter and digits appears on
up block. Therefore, when checking the laser diode emission,
the screen and the front panel displayobserve from mor. Refere than 30 cm away from the objective lens.
to the following table.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the OS curve chec� in OkCD section adjustment� and check
C:13:00
that the S curve waveform is output several times.
First threeCause and/or Corrective
characters ofAction
the service
number
C 13The disc is dirty.
, Clean the disc with a soft
cloth (page 9).
C 31The disc is not inserted
correctly.
, Re-insert the disc
correctly.
E XXTo prevent a malfunction, the
(xx is a number)system has performed the self-
diagnosis function.
, Contact your nearest Sony
dealer or local authorized
Sony service facility and
give the 5-character
service number.
Example: E 61 10
4 |
ACEC
