Re: checking electrolytic caps

On 06/05/2017 03:53 AM, Terry Raymond wrote:
> All I can find in the C-128 service manual is that the Full Wave Bridge 
> rectifier outputs 9VAC
> All I have on hand is a Rectifier out of one of my Breadbin 64's.
> I asked Unicorn Electronics I just need to be sure its 9VAC am I correct?

The input for the rectifier is 9V AC, the output will be DC, otherwise 
it wouldn't be a rectifier. All rectifiers I know can take at least 40V 
AC on the input, most have no problems with 200V (see datasheet), so the 
voltage is not the issue.

Otherwise, yes, you can use one from a C64 in a C128, but verify the 
pinout, it's usually printed on the top in some way.

  Gerrit



> 
> -Terry Raymond
> 
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> On Sat, Jun 3, 2017 at 9:15 AM, Mike Stein <mhs.stein@gmail.com 
> <mailto:mhs.stein@gmail.com>> wrote:
> 
>     __
>     Manufacturing date?
> 
>         ----- Original Message -----
>         *From:* Terry Raymond <mailto:traymond20@gmail.com>
>         *To:* cbm-hackers@musoftware.de <mailto:cbm-hackers@musoftware.de>
>         *Sent:* Friday, June 02, 2017 4:19 PM
>         *Subject:* Re: checking electrolytic caps
> 
>         Looking at the rectifier only has one number at the top and bottom
>         there are no other numbers.
> 
>         The top has the  + and the number
>         Bottom - and a number
> 
>         I noticed the C64 C128 rectifiers the top number is the same but
>         the bottom number is different
>         why?
> 
>         Terry R
> 
>         On Jun 1, 2017 4:11 PM, "Mia Magnusson" <mia@plea.se
>         <mailto:mia@plea.se>> wrote:
> 
>             Den Thu, 1 Jun 2017 12:01:32 -0600 skrev Terry Raymond
>             <traymond20@gmail.com <mailto:traymond20@gmail.com>>:
>              > Okay is the rectifier the same one found on a C64?
>              >
>              > Can I find these like on Jameco or DIGI key or Unicorn
>             electronics?
> 
>             A rectifier is just a rectifier. Unless you want something
>             that's 100%
>             identical to the original one you can just replace it with
>             any that
>             fits in the physical space and has the same or higher
>             current and
>             voltage ratings.
> 
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