Minolta T69 70 free download

File name T69_70.PDF

Power Supply-Related Malfunctions (1) Copier is not energized at all. Relevant Electrical Parts IO Board (PWB-IO) DC Power Supply 1 (PU1) DC Power Supply 2 (PU2) WIRING Step Check Item DIAGRAM Result Action (Location) Check wiring Is a power voltage supplied across 1 30-H NO between the wall PJ3PU1-1 and 3 on PU1? outlet and PJ3PU1. Are the fuses (F1 and F2) on PU1 con- 2 -- NO Change PU1. ducting? Is a power voltage supplied across 3 30-F NO Change PU1. CN1PU2-1 and 2 on PU2? 4 Is the fuse (F1) on PU2 conducting? -- NO Change PU2. Is DC5 V being output from CN2PU2-3 5 31-F NO Change PU2. on PU2? Is DC5 V being input to PJ15PU1-1 on 6 28-F NO Change PU2. PU1? Is DC5 V being input to PJ1IO-3 on the NO Change PU1. 7 14-E IO Board? YES Change PWB-IO. (2) Only the Power Supply Cooling Fan rotates. Relevant Electrical Parts PIC Board (PWB-PIC) DC Power Supply 1 (PU1) DC Power Supply 2 (PU2) WIRING Step Check Item DIAGRAM Result Action (Location) Is DC3.3 V being output from PJ9PU1-1 1 29-F NO Change PU1. on PU1? Is DC5 V being output from CN2PU2-2 2 31-F NO Change PU2. on PU2? Is DC3.3 V being input to PJ1PIC-1 on YES Change PWB-PIC. 3 32-C PWB-PIC and DC5 V to PJ1PIC-3? NO Check the wiring. (3) Control panel indicators do not light. Relevant Electrical Parts Image Processing