- 2-43 -3. RF/Servo CircuitA.Does signal pulseinput to IC201 Pins53, 54 whenthe power is on?Does signal goes"High" to IC201 Pin186 when thepower is on?DoesTTL pulse output toIC201 Pin156?Does33.8688MHz clock inputto IC201 Pin59?Is IC201Pins79, 80, 84, 88 voltageabout 2.2V?Replace IC201(IC206 soldering or IC defect).Check power circuit.Check "2.μ-COM Part".Replace X201 or IC206(33MHz clock defect)CHECK POINT(General)ENDNONONO NONOYESYESYESYESYES