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Old 7th Jun 2020, 9:06 am   #19
Nickthedentist
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Join Date: Jan 2005
Location: Oxford, UK.
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Default Re: HACKER VHF "Herald" RP37A

Quote:
Originally Posted by Radio Wrangler View Post
I've just replaced a BC148 with a 2N3904 in my Herald this evening.

It had started motor boating so I just replaced the electrolytics on the audio board. Job done and sounding good. Put board back in and no signs of life. Would you believe TWO problems. One new capacitor had gone dead short robbing first transistor of HT, and I'd caught the same transistor in tightening the little plastic nut nearby. All it takes to send a lockfit to the underworld. They are not destined for heaven.

David
Motorboating can be caused by poor connections at the multiway plug/socket.
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