Service Manual
Page 65
...; studyby +5V Check CN3 pin 3Î RLY_ON(high) Check CN3 pin 2Î VS_ON(high) No Check Fuse open? (F2,F3,F4) Yse Check CN1Îpin 1,2,3 = +5V pin 7,8 = +12V No Yes Panel power fail No Fuse fail D10,D11 LED is lighting? Yes Press Meun or Info. No U13 fail Yes No Power...
...; studyby +5V Check CN3 pin 3Î RLY_ON(high) Check CN3 pin 2Î VS_ON(high) No Check Fuse open? (F2,F3,F4) Yse Check CN1Îpin 1,2,3 = +5V pin 7,8 = +12V No Yes Panel power fail No Fuse fail D10,D11 LED is lighting? Yes Press Meun or Info. No U13 fail Yes No Power...