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r7000_13.doc
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R7000.13
Model: IC-R7000
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 #: 3Nov86-001
Date: November 3, 1986
Subject: Reduce intermodulation from FM stations (70-108
MHz) and TV stations (165-245 MHz)
Procedure
Write to ICOM's customer service department for a copy of
this service bulletin.
Bulletin #: 3Nov86-004
Date: November 3, 1986
Subject: The frequency displayed and actually received are
not the same
Procedure
1. Check the location of C24 and W80 on the logic board
(compare against the schematic) to insure that they are in-
stalled in the correct position.
Bulletin #: 24287-001
Subject: The S-meter may not drop to 0 when using the
receiver between 500 MHz and 800 MHz with no sig-
nal.
Procedure
1. Install a 10mf 16V electrolytic capacitor between the emit-
ter of Q5 and ground on the Dc to DC Converter board.
Bulletin #: 24587-002
Subject: Increase the number of memory channels to 200
Procedure
1. Cut foil trace to IC-8 pin 19 on the logic board to remove
it from ground.
2. Add a 47K resistor and between pin 19 and pin 24 of IC-8.
3. Add a SPST switch from pin IC-8 pin 19 to ground.
Operation
1. With the new switch closed access to memory channel 0 to 99
is possible.
2. With the new switch open access to memory channels 100 to
199 is possible.
Note: It is not possible to scan between the two banks of
memory.
CONTINUED IN R7000.14