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Does anyone know PIERRE EFKHANIAN ??

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
by OH2LH
05 Feb 2012 19:25
 
Forum: Juma Discussion
Topic: Does anyone know PIERRE EFKHANIAN ??
Replies: 1
Views: 1823

Re: Repair tips

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 assem...
by OH2LH
05 Feb 2012 18:58
 
Forum: Juma Discussion
Topic: Repair tips
Replies: 2
Views: 3502

Repair tips

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 swit...
by OH2LH
20 Jan 2012 23:37
 
Forum: Juma Discussion
Topic: Repair tips
Replies: 2
Views: 3502

Re: Amateur Radio Gathering in Finland

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.sap...
by OH2LH
10 Jan 2012 20:44
 
Forum: Juma Discussion
Topic: Amateur Radio Gathering in Finland
Replies: 4
Views: 4469

Re: Amateur Radio Gathering in Finland

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 ca...
by OH2LH
07 Dec 2011 20:40
 
Forum: Juma Discussion
Topic: Amateur Radio Gathering in Finland
Replies: 4
Views: 4469

Repair tips

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 sh...
by OH2LH
27 Nov 2011 21:25
 
Forum: Juma Discussion
Topic: Repair tips
Replies: 2
Views: 3502

Re: Amateur Radio Gathering in Finland

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 &quo...
by OH2LH
27 Nov 2011 19:27
 
Forum: Juma Discussion
Topic: Amateur Radio Gathering in Finland
Replies: 4
Views: 4469

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