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World of Ham Radio 1997
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1997-02-01
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908b
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Model: IC-471A
Division: Amateur
Note: This service bulletin is meant for technical per-
sonnel with experience working on solid state com-
munications equipment. Damage caused by im-
properly installing this modification may cause
ICOM to charge for subsequent repairs to the
product. ICOM does not warrant this modification.
Bulletin #: 28Oct86-02
Date: October 28, 1986
Subject: If packet operation is difficult through the JAS-1
satellite
Information: The audio frequency response is too low for packet
operation through JAS-1.
Procedure
1. Replace C159 (currently .1 mf) on the Main Board with a .022
mf capacitor.