Very high voltage to Philips fwm998 audio board
Hello, how do you measure that tension in which part and what part number that capacitor carries in the screen printing.
If I already know where it comes from, but what I want to know is where you measure that 60V voltage. In the source connector, it is not CON3 or 5 disconnected from the amplifier board by means of GND and +40 and -40V to be sure that voltage exists there.
I measure that voltage in con5 on the source plate in -39v I measure -60 and it goes up and in + 39v I measure + 60v with respect to mass black cable with disconnected audio board, it came with a c58 capacitor flown and the 3 integrated TDA8954TH in short c58 It is 2200ufd x 50v, without a doubt the source delivers more voltage and my question is how or what component (s) control or regulate that voltage since I have the scheme and I find it difficult to analyze it.
If the 36K resistor was open, check the status of diodes D9, ZD6, D24 or 27 and ZD1 or 2 according to the board.
Thanks for responding, today I was without power, Monday I check and comment, thanks again
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