Chapter 1414-55F-14-3414.3.8 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB14.3.8.1 Variable Resistors (VR), Light-Emitting Diodes, and Check Pins by PCB 0007-6841iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /Of the variable resistors (VR), light-emitting diodes (LED), and check pins found in the machine, those that are needed when servicing the machine in the field arediscussed.- Some LEDs carry current and emit light when they are off; this is a normal condition, and must be kept in mind.- Take note of the following:...VR that may be used in the field....VR that must not be used in the field.14.3.8.2 Points to Note About the Leakage Breaker 0007-7795iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /Points to Note When Checking the Output of a PCBNormally, an AC voltage is applied to the terminal of the leakage breaker [1].Take care not to touch it when making a check.[2][3][4][12][14][16][23][1][18][13][19][11][9][7][5][20][6][10][15][17][21][22]
