[Amps] Harbach metering board in SB-220

[Pete Smith N4ZR]

Yes, but not yet - I e-mailed Jeff yesterday and he does not yet have 
the new boards or the resistors in stock.

73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
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On 3/7/2014 6:11 PM, Louis Parascondola wrote:
> That board is being phased out.
>
>     My board has 14 in a string.
>
>
>
>
> -----Original Message-----
> From: Pete Smith N4ZR <n4zr at contesting.com>
> To: Louis Parascondola <gudguyham at aol.com>
> Sent: Fri, Mar 7, 2014 4:42 pm
> Subject: Re: [Amps] Harbach metering board in SB-220
>
> My board has 14 in a string.
> 73, Pete N4ZR
> Check out the Reverse Beacon Network at
> http://reversebeacon.net,
> blog at reversebeacon.blogspot.com.
> For spots, please go to your favorite
> ARC V6 or VE7CC DX cluster node.
> On 3/7/2014 8:47 AM, Louis Parascondola wrote:
>> Those resistors are almost never problematic.  I would more likely 
>> suspect a poor solder connection or a swith problem.  BTW....The new 
>> board has 3 resistors like the old style but the resistors are good 
>> quality.  Makes assembly a lot easier.
>>
>>
>> -----Original Message-----
>> From: Pete Smith N4ZR <n4zr at contesting.com>
>> To: Louis Parascondola <gudguyham at aol.com>
>> Sent: Fri, Mar 7, 2014 8:31 am
>> Subject: Re: [Amps] Harbach metering board in SB-220
>>
>> Yes, it reads grid current.  I'm thinking that maybe we should assume 
>> the two problems *aren't* connected.  I vaguely recall someone saying 
>> that the voltage multiplier resistors on the Harbach board are 
>> under-rated and therefore prone to failure - assuming I dig in there 
>> and discover that one or more are open, what would be an appropriate 
>> replacement?  The value is a total of 14 meg.
>> 73, Pete N4ZR
>> Check out the Reverse Beacon Network at
>> http://reversebeacon.net,
>> blog at reversebeacon.blogspot.com.
>> For spots, please go to your favorite
>> ARC V6 or VE7CC DX cluster node.
>> On 3/7/2014 7:31 AM, Louis Parascondola wrote:
>>> Does it read grid current?  Often times when the wires are disturbed 
>>> like when wiring a new board, you could have a bad wire or 
>>> connection.  Recheck the connections to the board on the yellow and 
>>> orange wires.  Also make sure no wires came off the switch or the 
>>> meter to the board.  They should have used strained wire.  broken 
>>> wires often the problem.
>>>
>>>
>>> -----Original Message-----
>>> From: Pete Smith N4ZR <n4zr at contesting.com>
>>> To: Amps <Amps at contesting.com>
>>> Sent: Fri, Mar 7, 2014 7:17 am
>>> Subject: [Amps] Harbach metering board in SB-220
>>>
>>> I am trying to understand a minor problem in my SB-220, which otherwise
>>> works fine.  I originally installed the Harbach board because the HV was
>>> reading low.  It fixed that, but quite quickly thereafter the HV
>>> metering failed.  I *think* the relative power metering failed at the
>>> same time, but can't remember for certain - a common cause is puzzling
>>> because I can't see any commonality between the two circuits.
>>>
>>> Can anyone help me identify components that are likely responsible?
>>>
>>> -- 
>>> 73, Pete N4ZR
>>> Check out the Reverse Beacon Network at
>>> http://reversebeacon.net,
>>> blog at reversebeacon.blogspot.com.
>>> For spots, please go to your favorite
>>> ARC V6 or VE7CC DX cluster node.
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps at contesting.com  <mailto:Amps at contesting.com>
>>> http://lists.contesting.com/mailman/listinfo/amps
>>
>