A600 Modulator Removed

[Acill]

Just got done removing the modulator and cleaning up some of the solder jobs on the A600 for a customer. I want my own A600 now after playing with this one, lol!! This board is very clean and solid now.

[krashan]

I see you have replaced all the electrolythic capacitors with MLCC ones. While they can be used as replacement in most places, using them as audio output capacitors is a mistake, unless you have used C0G ceramic. Those using X5R or X7R ceramic are highly nonlinear and add some distortion to the audio signal. This also apply to video signal coupling capacitors, but as modulator is removed, two of them are not needed anymore.

[Acill]

I see you have replaced all the electrolythic capacitors with MLCC ones. While they can be used as replacement in most places, using them as audio output capacitors is a mistake, unless you have used C0G ceramic. Those using X5R or X7R ceramic are highly nonlinear and add some distortion to the audio signal. This also apply to video signal coupling capacitors, but as modulator is removed, two of them are not needed anymore.

Thats not my work Krashan. It was done before I got the board to repair. They are C0G array however looking at them, from at least what I can see. I tested it and it works very well. The audio is very clear so I am sure it was done well by the last person. I only cleaned up some of the previous soldering and removed the modulator on this one.