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Old 19th Jun 2021, 2:40 pm   #34
Station X
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Join Date: Jan 2003
Location: Ipswich, Suffolk, IP4, UK.
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Default Re: GEC BC402 receiver.

See how high the voltage rises, but make sure the capacitor doesn't get hot. Turn off the set and disconnect the mains periodically then feel how hot the cap is. Remember that it will retain a charge for some time.

This test is to show whether the rectifier and reservoir cap are OK.

The resistor doesn't come into it and is easily checked with a meter on ohms range.
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Keep the soldering iron hot.
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