Thread: Roberts P4D
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Old 20th Sep 2021, 6:01 pm   #18
bobhowe
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Join Date: Jun 2005
Location: Sunderland, Tyne and Wear, UK.
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Default Re: Roberts P4D

Quote:
Originally Posted by FERNSEH View Post
The circuit diagram of the audio amplifier.

DFWB.
Hi working of Davids circuit diagram to check the values as David suggested grid resistor on the DL35 is 2MEG the actual reading in picture 1 . The anode load resistor on the DAC32 is 1MEG the actual reading in picture 2 . The anode is 78V the actual reading in picture 3 . Next step is to change C19 & C20 as David says there will leaky more to follow kind regards Bob
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Kind regards, Bob.
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