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- From: kurt@cs.tamu.edu (Kurt Freiberger)
- Newsgroups: rec.radio.amateur.misc
- Subject: THE REAL Standard 558 radio mod
- Followup-To: rec.radio.amateur.misc
- Date: 30 Nov 1992 17:25:04 GMT
- Organization: Computer Science Dept., Texas A&M University
- Lines: 69
- Distribution: world
- Message-ID: <1fdipgINN6l3@tamsun.tamu.edu>
- NNTP-Posting-Host: ai0.cs.tamu.edu
- Keywords: Standard C558A extended transmit
-
- >From a sheet that I got from a vendor, here 'tis:
-
- MARS/CAP (Wide band transmit)
-
- 1. Remove battery and antenna.
- 2. Remove front case assembly block by unscrewing.
- 3. Remove tthe copper plate around the back side of the display section.
- 4. Remove the diode indicated by D2, and add a diode 1SS301 leaving other
- components intact as per the following drawing.
- 5. Reassemble radio and install battery.
- 6. Turn on power and execute master reset.
-
- ---------------------------------------------------------------------
- ------------+ +------------------------------------------
- | |
- | +------+ (PC board "donut")
- | | | /
- +-----------+ +------+ /
- | | | /---\
- PC board trace/ | D1 | +--+ +++ | +-----+
- component layout | | +--+ +++ | | |
- +-----------+ | | \+-+/ +-----+-+ |
- | | +------+ | | | | |
- | +-+----+ +-+ +--+ +---+
- | | | | | <<< ---- CHANGE
- +-------------+ | | D2 |
- +------+ +---+
- | | |
- +-----+-+ |
- "Not to scale" | |
- +-----+
- **
- **
- \**/
- \/
- +--------+ (about here) +------------+
- | | | |
- +--+ | +----+ | |
- PC board locator| +-----------------/------\--------+ |
- +--+ |
- | |
- | |
- | |
- ++ +-----+
- | |
- ++ +-+
- | |
- | |
- | |
- | |
- | Opening for |
- | speaker about |
- | here (funny |
- | shaped opening) |
- ...............................................
-
- CAVEAT: I have not tried this with my radio as yet. This is a drawing that
- I got from a vendor. I'm waiting for the 1SS301 diode to get here, as I could
- not find the configuration of the 3-legged beastie.
-
- Your mileage may vary.
-
- 73/Kurt
-
- ---
- Kurt Freiberger, wb5bbw kurt@cs.tamu.edu 409/847-8607 fax:409/847-8578
- Dept. of Computer Science, Texas A&M University DoD #264: BMW R80/7 pilot
- "We preserve our freedom using three boxes: ballot, jury, and cartridge."
- *** Not an official document of Texas A&M University ***
-
- Copied from the QRZ! Windows Ham Radio CDROM
-
-