259-2. Vertical SizeIschangeable theDC voltage ofIC401 pin 1?Check the IC401and itsambient circuitCheck the IC501and its ambient circuitNoNoTrouble V.OSC/Deflection CircuitRefer to V.OSC/Deflection circuitYesIsthe 3.5Vdc of pin21of the IC501?YesAbnormalV.Size
