WATSON W 25AM CIRCUIT DIAGRAM
A problem with my Watson W-25AM power supply - Blogger
Sep 07, 2010My Watson W-25AM power supply has a serious problem. When I switch it on everything seems fine. The voltage needle reads 13 and the lights are on and everything seems fine and dandy (see photo below). The PSU will power my FT-2500M and my FT-897 while both are in receive mode.Author: Hamradioireland
Watson W-25AM Product Reviews - eHam Home
Watson W-25AM product reviews by real people like you. Only at eHam. - eHam is a Web site dedicated to ham radio (amateur radio).
G8YPH: Watson W-30AM Power Supply
Sep 01, 2015Watson W-30AM Power Supply There is a modification circulating on the internet for a similar power supply the Watson W-25AM, where people have lowered the voltage being fed to the fan with a 27 ohm 1 watt resistor. There is also talk of replacing the fan with an 80mm fan from a PC.Author: Tmcwoodworks
The Zurich / Watson 25/30Amp 13 Power Supplies | Radio
Feb 15, 2013The Zurich / Watson 25/30Amp 13 Power Supplies February 15, 2013 ~ marconisparker Following my Previous posts I have had more mail re these PSU’s, GW4TOD has a problem with the Voltage leaping up intermittently which sounds very similar to my original problem.
Watson W30AM Power Supply - The Defpom Forum, for
Oct 04, 2008The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom Watson W30AM Power Supply. Post by arnoldlee » Thursday 28th Aug 2008, 7:31 Did you ever find a schematic diagram for the PSU, as I have a Palstar PS-30M in need of a schematic. They come under three names that I know of, the Watson, Manson and Palstar.
Watson Power Supply - Google Groups
Mar 22, 2010I have just purchased a Watson 25-amp power supply model W-25AM. I am surprised to see the second thing on the istruction manual is "WARNING - This unit must not be used to
Watson W-30AM PSU - Transmission1
Jun 23, 2016Would anyone have a circuit diagram for the above PSU,or even better a photo of the top of the fan/regulator part of the psu. I got the above power supply tonight and the amp meter was not working,seems to have had a new fan fitted and i notice that some wiring on the circuit is imcomplete. Watson W-30AM PSU. Post by Tim » 23 Jun 2016, 20:31
Watson Repair tips database, Service Manual free download
Electronics service manual exchange : schematics,datasheets,diagrams,repairs,schema,service manuals,eeprom bins,pcb as well as service mode entry, make to
OTHER -> MISC -> Watson W-25AM W-30AM - mods
A few of weeks ago the fan on my Watson W-25AM power supply started to behave erratically and would activate at full speed with less than 1A of load connected,[PDF]
Cliff M0MRC & M1CNP’s New Shack I have a shed at the
The power supply is a standard Watson W25AM, on which sits a Z11 Auto ATU awaiting commissioning for use with the 817. Two morse keys can be seen but I have also a naval key which I want to use. As I am trying to learn to read morse at 20wpm I suspect I will need to make or buy a side lever key as it must