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Vintage Radio (domestic) Domestic vintage radio (wireless) receivers only. |
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16th Aug 2022, 11:05 am | #21 | |
Dekatron
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
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Re: Bush VHF61 - magic eye not closing.
Quote:
What's the DC voltage WRT Chassis/ground at test point "A" in the schematic when tuned to a decent FM signal ? Lawrence. |
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16th Aug 2022, 9:12 pm | #22 |
Dekatron
Join Date: Oct 2003
Location: Croydon, Surrey, UK.
Posts: 7,548
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Re: Bush VHF61 - magic eye not closing.
Absolutely!! The cathode should be at chassis potential. Make sure it is the cathode you are measuring (pin 2) counting clockwise from the gap. If it is pin 2, try connecting a piece of wire between pin 2 and chassis. It could be nothing more simple than a high resistance earth tag causing all the trouble.
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There are lots of brilliant keyboard players and then there is Rick Wakeman..... |
17th Aug 2022, 9:49 am | #23 |
Dekatron
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
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Re: Bush VHF61 - magic eye not closing.
I reckon that's meant to be the anode voltage.
Lawrence. |
17th Aug 2022, 5:25 pm | #24 | |
Triode
Join Date: Jul 2022
Location: Plymouth, Devon, UK.
Posts: 10
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Re: Bush VHF61 - magic eye not closing.
Apologies for not commenting sooner, I am currently unable to boot my laptop and so I've had to reset my password so I can login here on my phone.
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Phil. |
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