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Good afternoon, a query ago this TV noblex chassis A3005 does not turn on medi + B and I have 65v remove the transistor TT2040 and probe with a light bulb between collector and emitter and also no media + B and I have 65 v check resistors and diodes in the secondary of the source and everything is fine
What type of load or focus are you using, does the test do it without the horizontal output transistor? If you use a 60 or 75 watt incandescent bulb as a load, do you turn on something?
no friend, it does not serve the low consumption as a simulated load, you must use an incandescent or filament type to know if it is the source or something else that consumes you more. Less bad than in the scheme says the incandescent lamp
Good morning, the problem was at the source I had the D616 EG01C with leakage replaced an IN4937 now the TV shines well and after a few seconds the screen starts to close in horizontal centering and turns off