philips cd104-problem

[kaulagalvis]

hello ,
my philips cd104 have problem,I tweak it ,replace caps in power supply and analog and digital board, reaplace opamps.sound is very good,but its a problem ,when I switch on , display dont work,or light "0000000",it have light "--",when I push the button "stop" player go in normal condition and work good.I think it havent "reset".where I can to find problem.thank you.

 

[poynton]

What capacitors did you replace ?

What did you replace the originals with ?



Andy

 

[kaulagalvis]

hello,I replace all caps in power suply,and all in digital /analog board,to tda 1540 black gate std,in output black gate n.in power s nippon chemi con more capacity.op ampsd lm4562,sound is very like but little problem😀 problem is always😀 😀 😀

 

[poynton]

hello,I replace all caps in power suply,and all in digital /analog board,to tda 1540 black gate std,in output black gate n.in power s nippon chemi con more capacity.op ampsd lm4562,sound is very like but little problem😀 problem is always😀 😀 😀

I would start by replacing the original caps in the power supply.
( the ones after the regulators)

Bigger is not always better.


Also, you MUST do the griplets mod !!!!!!!

This thread may be of help :-

http://www.diyaudio.com/forums/showthread.php?s=&threadid=32591&perpage=25&pagenumber=1

 

[kaulagalvis]

ok it work,bad cap in reset circuit on display board.

 

[poynton]

Excellent !

But do the griplet mod or you will have other problems later.


Andy