michael
michael
@michael
Active Member
Deelgenomen: okt 8, 2014
Onderwerpen: 0 / Reacties: 13
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

Hello Herman, thank you for your help.Is it just the remaining 8 pins to test individually?Is the test carried out like the test for the Bias Current,...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

I have noticed some crackle sound coming of the Input Sensitive Control, could some switch cleaner resolve this, I can also see some, what looks like ...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

A good day to you Herman,I was quite surprised with the results of the dc voltage at the relay, 22.67 – 23.10 vdc after 3 minutes of activation the vo...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

A good day to you Herman, we have a few light snow showers here temp 1.2°c time 1pm.I needed a meter to test the Philips Blue Electrolytic Capacitors...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

Thank you Herman for the word of caution; I wasn’t going to try that :idea:Remi; I have been thinking about the presents of ac at the relay; do you t...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

Thank you Remi for clarifying probe connections, I will quote, “measure the bias current through the three amps as it is right now” on Monday, please ...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

That’s very helpful Remi; yes I can see how you made the adjustment from the solder side, if you look at the other side of the board it looks like you...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

Hello Remi and thank you for your help;Turning the Input Sensitive Control (No 5) one way you can hear a small amount of sound and turning it the othe...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

Hello Herman; and thank you for your support.Relay: In September I checked the working voltage: - With no voltage until the red Operating neon indicat...

8 jaren geleden
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Re: Re: Philips Motional Feedback Amplifier Speakers [22 AH 587]

New Philips Blue Electrolytic Capacitors fitted and Relay

8 jaren geleden
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