TM848 repair?

Chuck Guzis cclist at
Mon Jul 13 20:01:22 CDT 2020

On 7/13/20 4:58 PM, Jim Brain via cctalk wrote:
> On 7/13/2020 5:23 PM, Chuck Guzis via cctalk wrote:
>> On 7/13/20 2:05 PM, Jim Brain via cctalk wrote:
>>   --Chuck
>>> Thanks for the tip.  On one, the 10ohm (yep, 10) is cooked, so I need to
>>> get another one.  Looks like 1/2W, but anyone know for sure?  The
>>> schematic just notes the resistance and identifier.  It could be 1W...
>> Given the power consumption (up to 1.2A) on the 24V line, I'd play it
>> safe and go with 2W.
>> --Chuck
> I also am at a loss on the 4u7 cap.  The one I am replacing is a black
> unit with a tapered + end, but I am not finding exact duplicate.
> Will this work:

Yes, that will work, but so will almost any garden-variety electrolytic
rated at 35-50WVDC.  The cap doesn't handle any AC--it's there mostly to
keep the voltage regulator from oscillating.


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