[TechAssist] Re: Chipper check need schematic

  • From: "al m" <ampm@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 26 Apr 2004 16:15:01 -0400

Well after some time I still haven't figured how that 5V power supply
starts. Can anyone tell me what is supposed to start the supply?
 I have no 5V supply for the micro.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message ----- 
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, April 25, 2004 1:24 PM
Subject: [TechAssist] Chipper check need schematic


> My chipper checker stopped working. Does anyone know where to get a print
of
> the interface box? I opened it up and can find no 5V on the EPROM. I
tested
> the box with the chipper checker test and it comes up cannot find EPROM. I
> need to know what is holding down the 5V. there is a diode by a
transformer
> that may be a zener but I don't want to fool around too much. Thanks. The
5V
> coming through the interconnect cord from the adapter is there until I
> connect it to the connector on the interface, then it drops to 1.3V. The
box
> fell off the desk and right after that stopped working. Can find no
> cracks.Thanks.
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 WE Main
> Girardville Pa. 17935
>
>
>
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