Text preview for : HFP371R_©_.PDF part of Sony (Bulletin) LBT-D220 Service Bulletin - Symptom:The tuners preset memory may be lost when the power is turned off after turning the volume up and down several times with the remote commander. - pag. 3 (?)
Back to : HFP371R_©_.PDF | Home
5
Model: Symptom: (21) Solution:
®
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
STR-D159, LBT-D220
No.
371R1
Subject: Loss of tuner preset memory
Date: February 28, 1994
The tuners preset memory may be lost when the power is turned off after turning the volume up and down several times with the remote commander.
Add a 10K resistor to pin 9 of IC601. IC601 is located on the panel board. See diagram below.
Reference: FPR-P0177, Tech News AU-93023 Autoflagged - NO
PRINTED ON RECYCLED PAPER
PRINTED IN USA
Audio Products Service Bulletin No. xxx
Audio Products Service Bulletin No. xxx
Service Bulletin Check-Off Form
Originator: ............. Engineer Name Diagram Location: . PERSON Originator Wing Originator Manager ACTIVITY Draft Creation Drawings & Numbering Proofing Approval Notify KCP AutoFlagging Wing Rob Distribution SDIS Entry INITIAL DATE COMMENTS