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Both the µPCs have the ability to reset each other if communication is lost. IC7C30 serves as a Reset inter- face between the two µPCs and the front panel Reset button. If the TV µPC gets no response from the DM, it outputs a High at pin 73 of IC7A00. The High is routed through IC7C30 and drives the
Conversely, if the DM µPC gets no response from IC7A00, the DM outputs a Low at pin 18 of the VC connector. The Low, through IC7C30 activates a TV Reset pulse from IC7C70.
When the front panel recessed Reset button is pressed, both µPCs are reset through IC7C30.
IC7A00 also outputs reset pulses for the Convergence Generator, Audio Control, 3DYC and MLink circuitry.