Starling wrote:PCB from any other 52049U4 should work.
Let me disagree with this one.
Since the model 52049U4 is quite spreaded and under this model life together lots of families
like Draco even Draco 100 and maybe and others.
52049U4_040464_A4DKB_FBHB_A5EA_DA620CQ0
52049U4_040631_a4dkb_NAHB_A5B7_DA620TQ0
52049U4_040911_A3DKA_NAMD_9F09_DA6207V0
I have found that the PCBs are incompatible within the above drives as example. The thing that must pay attention is mostly the f/w code.
Starling - no offence at all.
Regards
Samuil