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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 Subject: CD Mechanism Binding

No.

446

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 Autoflagged - NO
PRINTED ON RECYCLED PAPER

PRINTED IN USA

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-4944-5581. 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.)