No Picture - Sankey CLCD-2630 Service Manual

Black Screen

4. No Picture

electrocircuit
Check if using the right voltage CN6
Check BLON, control the
Check the cables to the panel
Check if U4(4405)Pin4 using right voltage
Check U4, control the electrocircuits
N
Check if U3 Pin2 is150KHz Replace L21
Y
OK
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