HFP0453_©_.PDF part of Sony (Bulletin) MHC-C33, MHC-C55 HFP0453_©_.PDF, Service Bulletin - Symptom:Discs Jam, or the Unit May Fail to Identify Discs Properly

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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:

MHC-C33, MHC-C55

No.

453

Subject: R503, R504 NEW VALUES

Date: October 26, 1995

Symptom: Discs Jam, or the Unit May Fail to Identify Discs Properly (165)

Solution:

If a customer complains of this symptom, replace R503 and R504 (on the O/C SW board) with new values to improve the disc detector sensitivity. REF FORMER DESCRIPTION R503 R504 300 , 15K , PART NUMBER 1-247-818-11 1-249-431-11 NEW DESCRIPTION 180 , 33K , PART NUMBER 1-247-813-81 1-247-867-81

Note: Units manufactured since June 94 include the new resistors. The serial number range is listed below. MHC-C33 MHC-C55 807075 827030 and up and up

Reference: FPR- Q1330
PRINTED ON RECYCLED PAPER

PRINTED IN USA

Filename: HFP0453.SB Directory: J:\SBDOC\OCT95 Template: C:\WINWORD\TEMPLATE\S_BULL.DOT Title: Subject: Author: Hoyt Wing Lee Keywords: Comments: Creation Date: 10/26/95 11:01 AM Revision Number: 2 Last Saved On: 10/26/95 11:01 AM Last Saved By: Hoyt Wing Lee Total Editing Time: 0 Minutes Last Printed On: 04/01/96 10:47 AM As of Last Complete Printing Number of Pages: 1 Number of Words: 154 (approx.) Number of Characters: 882 (approx.)