[Test-Equipment] B+K 1460 Scope

[Howie]

I have those already.

What I need is a service manual.
----- Original Message ----- 
From: "W1GOR" <W1GOR at Maine.RR.Com>
To: "Discussion of Electronic Test Equipment" 
<test-equipment at mailman.qth.net>
Sent: Monday, February 01, 2010 9:42 AM
Subject: Re: [Test-Equipment] B+K 1460 Scope


> Hello Howie,
>
> Go to http://bama.edebris.com/manuals/b&k/1460/ and download the SCHEMATIC
> (1460sch.pdf (1 MB)) and the partial copy of the USER MANUAL (1460.djvu 
> (258
> KB) of the B+K 1460 Scope.  You will need Adobe Reader for the PDF file, 
> and
> IRFANVIEW for the djvu file.  Google for free copies of each reader... At
> the BAMA site, many manuals are readily available, and are posted in PDF 
> or
> djvu files (other file styles are also used, so download 'readers' as they
> are needed).  If you have any problems obtaining the 'readers', let me
> know... I can send copies as attachments to an email.
>
> When you print it, we can discuss your problem.  I have already printed my
> copy of the scope, and I'm looking for components that might cause the
> problems that you have described.
>
> Initially, the problem is an 'unbalance' in the input attenuator and/or 
> the
> input amplifier.  Note that this scope, like many higher-end units, 
> utilize
> balanced Vertical Amplifiers.  I'm looking for a service manual that will
> provide detailed alignment and calibration procedures.  It is possible 
> that
> the only problem is a re-alignment of the input amplifiers, where the 'DC
> Balance' pot, VR101, needs to be adjusted to bring the amplifiers back 
> into
> balance.  A copy of the alignment procedure will cover this adjustment.
>
> Whatever you do, DO NOT make any adjustments without following the
> manufacturer's explicit instructions.  Many adjustments are 'interactive' 
> in
> that each adjustment may affect the action of other adjustments.  The key 
> is
> to maintain BALANCE all the way from the input attenuator to the 
> deflection
> plates of the CRT.
>
> Cheers, Larry - W1GOR, Gorham, Maine
>
> Save the Planet.  It's the only one with Chocolate!
>
>
>
> ----- Original Message ----- 
> From: "Howie" <Esrman at ameritech.net>
> To: "Discussion of Electronic Test Equipment"
> <test-equipment at mailman.qth.net>
> Sent: Monday, February 01, 2010 8:49 AM
> Subject: [Test-Equipment] B+K 1460 Scope
>
>
>>I have this scope and the + v/cm switch has various voltages on it such as
>>.1 v/cm and 20v/cm.
>>
>> 11 Different positions.
>>
>> On most positions I can use the "position" switch to bring the line on
>> center of screen.
>>
>> But there`s 2 that I cannot get it to even come on screen.
>>
>> There`s 2 diferent pots to set this.
>>
>> Also the "avariable" will move the line up and down even without an input
>> signal.
>>
>> Any help will certainly be appreciated.
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