JUMA Amateur Radio Forum

Hello,

Does anyone have e-mail address to PIERRE EFKHANIAN from France?

I received one JUMA board for repair but there was just little paper note in the box.
I need to contact him for details.

If someone knows him please forward my email address : oh2lh@sral.fi

73 de Heikki OH2LH

Hello all JUMA people!! Just repaired one JUMA PA-100D control board. The problem was quite difficult to find: a short on PCB UNDER the CPU. CPU pin 25 and GND was shorted just under CPU, feed through hole´s colar had tiny piece of foil connecting them together. HINT nr1 : before one starts to ...

Hello JUMA people!! Just today (yesterday now) got one TX 136 from JA that was faulty (newly built, never working). Symptoms: When pressing ON/OFF unit didn´t start,only display back light was lit and upper row of the display showed pixels about half brightness.Releasing ON/OFF button, the unit ...

Hello Tim and other interested ham fellows around the globe ! Finnish radio amateur league (=SRAL) summer camp will be held in Sappee ski and winter activity resort july 12th to 15th 2012. THIS IS PRELIMINARY INFORMATION , SOME CHANGES ARE POSSIBLE! More information about the place: http://talvi ...

Hello Tim, Nice to hear you again. For SRAL summer camp 2012 neither date or place are not yet confirmed. Normally organizers (some SRAL´s member ham club) announce the date early january/february (2012) IF the place is what I have heard rumours of, there is possibility to have hotel like and log ...

Hello to all JUMA people, I have been assembling several JUMAs lately and I have found following problem: There has been several short circuits in PCBs especially TX136 and TX500 and PA-100 control boards. Also one TX 500 main board had short circuit in +14V line. It was the most fatal case since ...

Hello Tim, Nice to hear you and that you are interested in Finnish amateur gathering. The Finnish radioamateur league, (Suomen RadioAmatööri Liitto=) SRAL is having twice a year a short convention, normally one or two days. This happens normally at spring around april - may time (this so called " ...