CD94 Mk2 trafo mod

For repair a Marantz CD94 Mk2,
  • tray won’t work
  • Player doesn’t sound right

I think some transformers

Okay, what do we have here..

 

 

 

A super clock

 

Quick freq response measurement nice rolloff -3dB at 10 KHz

THD+N level ,

Gold colored Coin , High-End modifications

Ground wire and a NOS modification ?!

Quick drawing of the Modification

The diagram of the modification in the CD 94 Mk2

THD+N with Non Oversampling modification

Restored the 4 X  Over Sampling

 

More measurements on the modded CD94 Mk 2  Transformer I/V TDA1541A s1

  • Red with modification
  • Blue , remover Transfomer modification and TDA1514A S1  in pushpull