Check JP202 shortage INVERTER Control Relative Circuit NG Measured the inveter connector CN303 Check the Bklt-On relative circuit, R315, Q304, R311, Pin 1,2=12V, pin 3 on/off control=5V (on) In normal operation, when LED =green, R315 Bklt-On should =0 v, YES, still no screen ...
2 1.3 Device description 1.3.1 Top View (LED Indicators) LED Type Status Description Flashing Blue Power On Orange Only Visible During Image Upgrade White Only Visible During Factory Reset Green WPS Active Breathing Blue WAN Status: Good Green WAN Status: Normal Orange WAN Status: Not Good ...