Symptoms; DEAD POWER SUPPLY. If F901 fuse open and Q901 bad. you need this repair kit # 2. There are two repair kit for this power board. Repair kit # 1 contain 6 cap and 3 Zener diodes. fix the chirping Problem.Each repair kit sold separately and price are difference. This one is Repair kit contain: 1; 7 capacitors 2; 3 zener Diodes3; 1 mosfet4; 1 ic5; 1 resistor6; 1 fuse 6.3 amp.Repair kit will come with Locations of each components. we put together this repair kit base on our repair/service experience. The components in this repair are the most command failure in this power board.we do not guarantee the components in this kit is all you need to fix your power board, but it can take care 90 to 95% off all cases. It's your responsibility to troubleshoot and properly diagnosed to complete the task/complete the repair.