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Car Stereo CSA-14
Service Bulletin
Sony Service Company - Technical Services
A Division of Sony Electronics Inc.
Sony Drive, Park Ridge, New Jersey 07656


Model: XR-6450 No. 389
Subject: Display Button Does Not Work. Date: December 14, 1995


Symptom:
(13) Pressing the DISPLAY button may have no effect when in FM mode and the field
strength of the signal is greater than 60dB.



Solution: If the customer complains of this problem add a 22K ohm resistor between JW25
and JW43 on the main board as shown below.

REF DESCRIPTION PART NUMBER
- RESISTOR, CARBON 22K, 1/4W 1-247-863-91
Applicable serial numbers: 156,111 ~ 165,500
165,201 ~ 170,200
172,301 ~ 174,700
174,801 ~ 175,400



Preparing the resistor:
1- Cut the leads so that the overall length is 26mm.
2- Insulate the leads as shown.
3- Form the ends of the leads as shown.




Reference: Technical News ME-95026 PRINTED IN USA

PRINTED ON RECYCLED PAPER