[RTTY] Need Repair advice on ICE 419b Band pass Filters

[Dave Hachadorian]

Here's a good place to start:
http://lists.contesting.com/archives//html/CQ-Contest/2012-03/msg00032.html

The 20 meter caps are 940 pf (pair of 470pf).


Dave Hachadorian, K6LL
Yuma, Arizona




-----Original Message----- 
From: Amos, Ian
Sent: Saturday, March 24, 2012 9:57 AM
To: rtty at contesting.com
Subject: [RTTY] Need Repair advice on ICE 419b Band pass Filters

Hi All

I have 2 - ICE 419b Band pass Filters for my small SO2R station. 
I have blown 2 of the filters in one of the boxes.  Both 20 and 
10 meters show infinite SWR on the analyzer all other bands are 
ok.  I have been doing research on the net and cannot find a 
schematic anywhere, but have read a number of posts that say the 
capacitors blow easily.  I have done the sniff test and also 
cannot see any sign of damage.  I was wondering if anyone has a 
schematic and / or could advise me on where to start.

Thanks in advance
Ian, VE3JI

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