TM848 repair?

[Mike Stein]

----- Original Message ----- 
From: "Chuck Guzis via cctalk" <cctalk at classiccmp.org>
To: "Jim Brain via cctalk" <cctalk at classiccmp.org>
Sent: Monday, July 13, 2020 3:29 PM
Subject: Re: TM848 repair?


> On 7/13/20 12:18 PM, Jim Brain via cctalk wrote:
>> On 7/13/2020 2:00 PM, Mike Stein wrote:
>>> Shouldn't be too difficult to troubleshoot; have you got the manual?
>>>
>>> Start by checking the 24V > 12V regulator...
>> 
>> As for a manual, I have this:
>> 
>> https://www.scss.tcd.ie/SCSSTreasuresCatalog/hardware/TCD-SCSS-T.20141115.002/Tandon-TM848-Specification-and-Schematic.pdf
>> 
>> 
>> I don't see the VR section in that, though.
> 
> If it's the same document that I have, PDF page 18, second-to-last page
> of schematics, near the bottom, near the legend "DC POWER CONNECTOR"
> 
> --Chuck

----------------------------

Which document is that? I find it on PDF page 85 of the OEM Operating and Service Manual TM-848-1 and TM-848-2 Disk Drives, Sheet 4 of 5.

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