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- From philabs!prls!pyramid!amdcad!ames!apple!sun-barr!decwrl!shlump.nac.dec.com!larkan.dec.com Wed Aug 2 09:13:15 EDT 1989
- Article 13112 of rec.ham-radio:
- Path: philabs!prls!pyramid!amdcad!ames!apple!sun-barr!decwrl!shlump.nac.dec.com!larkan.dec.com
- >From: kral@larkan.dec.com (Larry N0AMP)
- Newsgroups: rec.ham-radio
- Subject: IC-32AT Modifications (Expanded UHF Coverage)
- Message-ID: <3894@shlump.nac.dec.com>
- Date: 1 Aug 89 11:13:21 GMT
- Sender: news@shlump.nac.dec.com
- Organization: Digital Equipment Corporation
- Lines: 89
-
-
- Originally prepared by N0ION, modified by N0AMP.
-
- | This is a view of the interior (front side) after
- | the front of the case has been removed (4 screws
- / \ in back, 2 screws near PTT switch loosened only).
- | | +-+ +--+
- | | | | | | Carefully disconnect speaker/mike cable from PC
- +------------------+ board to allow front cover to be fully opened.
- | TOP |
- | | NOTE: Battery should be disconnected. Use ESD
- | | protection (grounded wrist strap, etc.).
- | |
- | |
- | |
- | |
- | |
- | |
- | |
- | |
- | +-+ |
- | | | | 5 positions on PC board
- | | | | for diodes (see below for
- | BOTTOM +-+ | details)
- +------------------+
- | |
- | |
- | BATTERY |
- | |
- | |
- +------------------+
-
-
-
-
- This shows diodes as installed at the factory.
-
- TOP
-
- +--+ +--+
- | | | | D907
- +--+ +--+
-
- +--+ | /| +--+
- | |---|< |---| | D913 Removing this diode results in expanded UHF
- +--+ | \| +--+ coverage. Coverage is from about 430-460 Mhz.
-
- +--+ +--+
- | | | | D908
- +--+ +--+
-
- +--+ | /| +--+
- | |---|< |---| | D912 Removing this diode results in enabling
- +--+ | \| +--+ the unit as a cross-band repeater.
-
- +--+ +--+
- | | | | D??? Installing diode here (same direction as others)
- +--+ +--+ permits direct entry entry of the 10Mhz digit.
-
- BOTTOM
-
- Icom Service Bulletin #13889-005
-
- The IC-32AT has the capability of being used as a cross-band repeater.
- This function is not enabled as the unit is shipped from the factory.
-
- To enable this function perform the following steps:
-
- 1- Cut D912 on LOGIC UNIT. (see above figure)
-
- 2- Push and hold the (FUNCTION) switch.
-
- 3- Push the (C) key.
-
- 4- Push the (6) key.
-
- 5- Push the (D) key.
-
- 6- Release the (FUNCTION) switch.
-
- To cancel "MINI REPEATER" perform the following steps:
-
- 1- Push and hold the (FUNCTION) switch.
-
- 2- Push the (D) key.
-
- 3- Push the (C) key.
-
- 4- Release the (FUNCTION) switch.
-
-
-
-
-