Philips cd 471

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diymax62

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Joined 2004
#1
I recently bought an old Philips CD471 player (7 euro, on ebay, shame on me😀 😀 ). It uses the 1541a Philips chip, and I must admit that it sounds really well (after I've changed the Lm833 with a pair of AD826): punchy, dynamic, very good midrange with that sort of "vintage" and happyness in the sound that make it enjoyable, nothing to compare with the plethora of 1bit sigma-delta cheap converters .
I'd like to mod it, not in a strong way as it is fairly good for its use, but just to have some fun, but I can't manage to find the service manual or simply the schematics. Any1 can help?

A great salute

Max
 
#3
Hello Angelm, thanks a lot for the suggestion. I'm little scared to manage digital electronics (I never do it), I feel better in the field where I've collected my experience: analog audio. I see that this mod is applied to the tda1541; can it be good for the 1541a also?

A big thanks for the CD473 schematics, too, I can't understand why it's so difficult to find more information in the net...😕

my email is

libermax at tiscali.it (just change " at " with "@" 😀 )

A great salute

Max
 
#11
i'd like to implement the mod for the philips 471 cd player(original opamp changed with better and modern, all the elko changed, improved the power supply, some resistor changed and the sound has improved)with the digital coax output.
there is someone can help me.
inside there is the TDA1541A.
 
#12
robertor said:
i'd like to implement the mod for the philips 471 cd player(original opamp changed with better and modern, all the elko changed, improved the power supply, some resistor changed and the sound has improved)with the digital coax output.
there is someone can help me.
inside there is the TDA1541A.
Click to expand...

CD_transport_DIY

here is described that the SAA7220, by example, has a s/pdif output. needs some voltage conversion but the data is the same
 
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