Incorrect Degauss Operation. Loose Degauss Coil Assembly (C_P0196).pdf

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CONFIDENTIAL
Service Bulletin
Computer Monitors
â
CSI-111
Sony Service Company
National Technical Services
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656
196
Model:
CPD-200ES
No.
Subject:
Incorrect Degauss Operation. Loose Degauss
Coil Assembly
Date:
June 1, 1998
Symptom:
(143)
If the Degauss operation is incorrect. This may be caused by a loose Degauss Coil
Assembly. Oil used to inhibit rust may prevent adhesion between the Degauss Coil
Holder and the CRT mounting frame assembly. Affected units consist of part of the
production with the SN range below 4070016.
Solution:
Then, please perform the following procedure to position the Degauss Coil and to
replace the (4) Degauss Coil Holders if required.
NOTE: The following items (up 4 per unit) are needed to complete this procedure.
REF
DESCRIPTION
PART NUMBER
NA
DEGAUSS COIL HOLDER
4-045-123-11
NA
12” NYLON CABLE TIES
NA
1. Disassemble the unit to access the Degauss Coil assembly.
2. Locate the (4) Degauss Coil Holder locations. There are two at the top and two
at the bottom areas of the CRT mounting frame assembly. Refer to the following
illustration (Top Degauss Coil Holders Shown).
3.
Inspect each Degauss Coil area to determine if the Degauss Coil Holder has
become loose or displaced from the correct position.
4.
Remove and discard any loose or detached Degauss Coil Holders.
5.
Clean each mounting area of the CRT mounting frame assembly where a
displaced holder had been attached. Use a mild solvent. Dry these areas
thoroughly.
6.
Install any required new holders to the CRT mounting frame assembly.
7.
Carefully position the Degauss Coil assembly into the correct position in the
holders. Adjust or replace any of the side tie wraps that are excessively tight.
The side tie wraps should be snug but not tight. Refer to the following illustration.
8.
Assemble the unit and verify correct Degauss Coil operation.
Cont.
Reference: SUA-CITL 98002, J. Grose
PRINTED IN USA
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Computer Monitors Service Bulletin No. 196
DEGAUSS COIL HOLDERS AND SIDE CABLE TIES
The correction procedure is completed.
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