Sony KDL-40V3000 schematic covering both the power supply and the backlight inverter, packed in a single 1.65 MB PDF. It is a reference for fault-finding a dead or cycling Bravia set: trace the standby supply, main switching rails and PFC stage, then move to the inverter outputs if the screen lights and drops out. Read alongside a multimeter and an ESR meter when checking capacitors and switching transistors. Confirm the part number on the power board in the set before relying on component values.
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