[time-nuts] Z3801 Power Supply Schematic?

[Artek Manuals]

Well I thought I was sending it off group 8^)

Anyway my personal experience is that that schematic matched my 3801 
pretty close

Dave



On 4/21/2019 9:19 PM, Artek Manuals wrote:
> Richard
>
> somebody (on this group?� .. five or more years ago?) reverse 
> engineered the DC to DC power supply/converter . I have sent you a 
> copy of that via private email
>
> Dave
> manuals at artekmanuals.com
>
>
>
> On 4/21/2019 12:04 PM, RICHARD GOLDING via time-nuts wrote:
>> Hi, can any one tell me where I can find the schematic for the Z3801a 
>> Power supply board?
>> My Z8301a now refuses to start up. All the pico fuses are intact and 
>> there is obvious signs of overheating/damge.
>> There is a connection between the power input +ve supply and both the 
>> DC/DC converters but there is no connection betweenthe -ve and DC/DC 
>> converters - hence no output voltages anywhere!
>> I remember reading on the forum that there is a pre-regulator between 
>> the Power input and DC/DC converters, so I'm guessing�that is where 
>> the problem lies, but without a schematic it's going to be hard to 
>> locate a fault.
>> Any help appreciated
>> 73
>> Richard G3VZG
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>
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-- 
Dave
Manuals at ArtekManuals.com
www.ArtekManuals.com


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