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Old 01-14-2020, 01:49 PM   #121
R_J
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Default Re: Help with dead Commodore 1802

At filter cap C803 there is no AC voltage. This is correct! IT IS DC VOLTAGE!!!!
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Old 01-15-2020, 02:17 PM   #122
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Default Re: Help with dead Commodore 1802

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At filter cap C803 there is no AC voltage. This is correct! IT IS DC VOLTAGE!!!!
Yes thats right. No voltage at filter cap. I am right measuring accros the 2 cap contacs (+and -).
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Old 01-15-2020, 02:39 PM   #123
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Default Re: Help with dead Commodore 1802

What do you have in place of the resistor? if there is nothing there, You will not get any voltage across the capacitor because you are not getting any AC to the diodes.

Last edited by R_J; 01-15-2020 at 02:48 PM..
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Old Yesterday, 02:12 PM   #124
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Default Re: Help with dead Commodore 1802

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What do you have in place of the resistor? if there is nothing there, You will not get any voltage across the capacitor because you are not getting any AC to the diodes.
I put this bulb ain place of the resistor maybe i need a bigger bulb? It measures 72.5 ohms.
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Old Yesterday, 09:30 PM   #125
stj
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Default Re: Help with dead Commodore 1802

strange, you should see some voltage and some life from the lamp.
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