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HamCall (October 1991)
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228.txt
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1990-10-14
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Model: IC-228
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 #: 13889-002
Date: May 1, 1989
Subject: "Dampened" S-meter response at low ambient tem-
peratures.
Procedure
1. Replace the following components on the Main Board.
Original New ICOM
Part Value Value P/N
R33 15K 8.2K 915-01112
C8 120pf 50V 39pf 50V 918-01643
Bulletin #: 13888-001
Date: May 17, 1988
Subject: Some radios may not maintain programmed memory
data
Information: There is a solder bridge that is missing to com-
plete the lithium battery circuit to maintain
memories.
Procedure
Write to ICOM's customer service department for a copy of
this service bulletin.