Sony (Bulletin) TA-AV531, TA-AV631X free download

File name HFP0452_®_.PDF

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: TA-AV531, TA-AV631X No. 452 Subject: Resistors Missing on Main PC Board Symptom: (****) Date: November 10, 1995 During the production phase of the TA-AV531 and TA-AV631X, R743 and R744 may not have been installed* on the Main PC board. Solution: When a TA-AV531 or 631X is in for service, for any reason, verify that R743 and R744 have been mounted on the main board. If not already installed, mount the resistors on the board. If you must replace the Main PC board on either of the above models, check the board for missing resistors before installing. The part numbers for the main boards are A-4360-464-A (TA-AV531), and A-4365-074-A (TA-AV631X). The resistor part numbers are listed below. REF R743 R744 DESCRIPTION 47K OHM RESISTOR 3.3K OHM RESISTOR PART NUMBER 1-249-465-11 1-247-719-11 *Applicable serial number range: TA-AV531 ~ 8858001 - 8866801 TA-AV631 ~ 8810701 - 8814801 Reference: Tokyo Fax A0501201 Autoflagged - YES PRINTED ON RECYCLED PAPER PRINTED IN USA Filename: HFP0452.SB Directory: J:\SBDOC\NOV95 Template: C:\WINWORD\TEMPLATE\S_BULL.DOT Title: Subject: Author: Hoyt Wing Lee Keywords: Comments: Creation Date: 11/10/95 11:48 AM Revision Number: 2 Last Saved On: 11/10/95 11:48 AM Last Saved By: Hoyt Wing Lee Total Editing Time: 0 Minutes Last Printed On: 04/01/96 10:14 AM As of Last Complete Printing Number of Pages: 1 Number of Words: 195 (approx.) Number of Characters: 1,113 (approx.)