On Wed, Jan 1, 2025 at 09:42 AM, Joel Macneill wrote:
IC402 pin#9 is 0v,?
IC403 pin#7 is? 0v, pin#9 is 0v
?
All these pins should be supplied with 2.5V from the R401/R402 potential divider through T401.? There could be several open circuits around T401.