Sony HKCU-HB10 Maintenance Manual page 50

[Female connector]
The optical contacts for female connector are in an unexposed state. In cleaning, it is necessary to be
exposed by removing the alignment sleeve in advance. Proceed as follows.
1. Insert the alignment sleeve remover into the alignment sleeve in the straight line and turn it clock-
wise.
Alignment sleeve remover
Alignment sleeve
2. When the turn stops, pull out the remover in the straight line forcedly.
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The alignment sleeve can be removed/reinstalled with the sleeve itself attached to the tip of the
remover.
Great care should be taken so as not to lose or damage the alignment sleeve.
(Alignment sleeve: Sony P/N 9-980-074-01)
3. Clean the tip of the white optical contacts with a cotton swab moistened with alcohol.
Alignment sleeve
4. Insert the remover with the alignment sleeve attached to its tip, and push it until it clicks.
5. Rotate the remover counterclockwise to install the alignment sleeve, and extract the remover.
Cleaning connectors/cables of Tajimi Electronics Co., Ltd.
Clean the connectors and cables of Tajimi Electronics using the following procedure.
Tools required
. Alcohol (commercially available)
. Cotton swabs (commercially available)
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Use a cotton swab whose diameter is about 4 mm.
If a cotton swab whose diameter exceeds 5 mm is used, the cotton swab cannot be inserted into the end
of the connector and the tip of the optical contact cannot be cleaned.
Cleaning Procedure
[Male connector]
Clean the tip of the white optical contacts with a cotton swab moistened with alcohol.
Optical contacts (white)
2-22 (E)
Optical contacts (white)
HKCU-HB10