UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Help needed with

dave cox · 17th Aug 2022, 8:46 am

Is the MC7806CP hot ?
Can you keep your finger on it ?

Hot, hot, hot - the load is drawing too much current.

If its NOT scorching hot - most likely defective but double check with a scope to see if its oscillating, these regulators can be touchy about the load capacitance.

dc

17th Aug 2022, 8:46 am	#25
dave cox Nonode Join Date: Jan 2009 Location: Bristol, UK. Posts: 2,062	Re: Help needed with - Racal Dana 9081 Is the MC7806CP hot ? Can you keep your finger on it ? Hot, hot, hot - the load is drawing too much current. If its NOT scorching hot - most likely defective but double check with a scope to see if its oscillating, these regulators can be touchy about the load capacitance. dc