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                              Hi-Fi Products                                               CSA-13
                              Service Bulletin
                               Sony Service Company - Technical Services
                               A Division of Sony Electronics Inc.
                               Sony Drive, Park Ridge, New Jersey 07656


Model: HCD-C33, C55                                                    No.    446
Subject: CD Mechanism Binding                                          Date: September 22, 1995


Symptom:
(62) The unit will not load, unload, locate or play a disc.


1.) On some units, rough edges have been found on the vertical cut grooves of the sub
chassis assy ref. #251.




Reference: Tokyo fax                                                                       PRINTED IN USA
Autoflagged - NO
                                           PRINTED ON RECYCLED PAPER
Hi-Fi Products Service Bulletin No.446


                                                                        cont.
The rough edges within
the vertical grooves
cause the slide spin
shaft (see insert) to
bind. This stops the
elevators Up/Down
motion.




2.) In another instance, the sub chassis assy (ref.#251) can warp causing the vertical
grooves to misalign. The
combination of a warped
chassis and misaligned
grooves will cause the
elevator assembly to jam.


Solution:
In both examples the
chassis assy, sub should
be replaced. The part
number for the chassis
assembly is X-4944-558-
1. The chassis
replacement should take
no longer than one hour.

In the event the unit has
to be shipped, perform
the following "Final mode set" operation before shipping the unit. The "Final mode set"
reduces the possibility of shiping related damage due to mechanical shock or rough
handling.

1.) Eject the No. 1 table.
2.) Power the unit OFF
Hi-Fi Products Service Bulletin No.446


(wait for all mechanical motion to cease).
3.) Remove the A/C plug from the wall recepticle.
Filename:             HFP0446.SB
Directory:            J:\SBDOC\SEP95
Template:             C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
Subject:
Author:               Hoyt Wing Lee
Keywords:
Comments:
Creation Date:        09/22/95 9:58 AM
Revision Number:      3
Last Saved On:        11/30/95 2:59 PM
Last Saved By:        Hoyt Wing Lee
Total Editing Time:   1 Minute
Last Printed On:      04/01/96 11:06 AM
As of Last Complete Printing
    Number of Pages: 3
    Number of Words: 241 (approx.)
    Number of Characters:    1,377 (approx.)

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