It's AmpliFone people.....this is the vector list so I expect this to be used correctly ;) ;) ;)
Op 26 aug 2011, om 00:51 heeft Pat Danis het volgende geschreven:
> They are a little cheaper here in quantities:
>
> http://www.parts-express.com/pe/showdetl.cfm?Partnumber=005-1.5&FTR=1.5%20ohm%20non-inductive%20resistor
>
>
> Pat
>
> On 8/23/2011 8:35 PM, William Boucher wrote:
>>
>> Can you tell if the 12k resistors are newer than factory (as in someone has replaced them before) ? The bill of materials says 1.2k. The scanned pdf schematic says 12k but it could easily be a case of a lost decimal dot. You know what scans are like. I don't own an Amplifone so I can't go look at it. However, the 1.2k would make more sense when compared to the 1.6k (R72) which is the same function part for the X amp.
>>
>> Regarding R6, R29, absolutely yes to being N.I. They are the current sensing resistor for the closed-loop current regulation. An inductive part will delay the loop and give the picture the shakes.
>> Here is a suitable part:
>> http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MRA12-1.5-ND
>>
>>
>>
>>
>> William Boucher
>> http://www.biltronix.com
>> ----- Original Message -----
>> From: Malcolm Mackenzie
>> To: Vector List
>> Sent: Tuesday, August 23, 2011 6:35 PM
>> Subject: VECTOR: Ampliphone Deflection Resistors Two Questions
>>
>> Hey all,
>>
>> Rebuilding some Amplifone deflection boards and I notice that all the documentation I have says R14 should be 1.2K, but both the boards I'm working on have a 12K in that spot. I find it interesting that the corresponding resistor on the other side is the 1.6K as the manual states. Any thoughts on what I should use there?
>>
>> Secondly, R6 and R29 are missing on the boards. The manual specifies wire wound, but doesn't say whether they should be non inductive or not. I though I recalled the resistors on the WG6100 that perform the same task are non inductive. Will it matter if I use plain old ceramic wire wound? Thanks -Malcolm
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André Huijts
andre.huijts@upcmail.nl
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Received on Wed Aug 31 01:43:23 2011
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