DAC 960 D/A Converter Unit Repair

What happend here made the XLR unbalanced

Relay L504 is missing ?

Capicitors remover and Resistors

Aha, the output transformers for the Balanced output are not in use..?

On this board there are also components missing , OPA 627 installeer

No fancy mods on solder side.

 

What happend , lets see

 

In the schematic

 

 

 

 

High end cable

Removed some modificaties

Removing some old glue