Quote:
Originally Posted by Leon Crampin
There is a solder covered break in the track to T013 which allows the quiescent current to be set. It is important to ensure that the adjuster R650 is not intermittent - apply Servisol Super 10 and move the pot several times end to end before setting. The adjustment should give a quiescent current of 7.5 mA at a supply voltage of 9V (important - don't use the inbuilt power supply).
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Don't forget to do as Leon suggests before carrying out further voltage and signal tracing checks.
Alan