TM848 repair?
Jim Brain
brain at jbrain.com
Mon Jul 13 16:05:23 CDT 2020
On 7/13/2020 2:11 PM, Chuck Guzis via cctalk wrote:
> On 7/13/20 12:00 PM, Mike Stein via cctalk wrote:
>> Shouldn't be too difficult to troubleshoot; have you got the manual?
>>
>> Start by checking the 24V > 12V regulator...
> Second that! I've had to replace more than one regulator on 848s; also
> the 100 ohm resistor (R1) and electrolytic capacitor(C6) on the input
> side of the regulator.
>
> --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...
The other 1 I have on the bench looks to have a good resistor, but I
will check the VR next.
Jim
--
Jim Brain
brain at jbrain.com
www.jbrain.com
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