How to dismantle a Roberts WM202 (AKA Stream 202)?

[Old Sparky]

Having recently been asked if I could repair one of these DAB/FM/Internet radios, yesterday I attemped to dismantle it, suspecting an o/p stage fault.  However, despite having removed every visible fixing screw, taken both speakers out, removed the control knob, the two screws hidden under it, prised out the top panel as far as I dare, and even loosened the grille, I cannot get the chassis out of the cabinet.  Has anyone succesfully dismantled one of thse (plastic cased) radios, and, if so, can they tell me what itr is that I'm missing!?  (Pictures can be posted later if it helps)

[Old Sparky]

I've been in touch with Roberts, and they will email me an exploded diagram of the WM202, so, hopefully this will show what needs to be done. In the meantime I've taken some pictures, which I'll upload and post on here tomorrow in case anyone can see what I'm missing.

[Old Sparky]

I have now received an exploded diagram from Roberts, which should help me to finish dismantling the radio. I suspect there are some plastic clips somewhere hidden behind the circuit boards which make it difficult to remove the trim panel, then further screws in the top of the cabinet proper.

[Old Sparky]

I have now received an exploded diagram from Roberts, which should help me to finish dismantling the radio. I suspect there are some plastic clips somewhere hidden behind the circuit boards which make it difficult to remove the trim panel, then further screws in the top of the cabinet proper.

Having, with great care, removed the top trim plate, I found that the circuit boards were attached to the inner top part of the cabinet by 3 x S.T. screws, so I've now been able to remove the complete radio assembly.  Now to investigate and find the cause of the fault.  I'm beginning to think that manufacturers deliberately  make some things difficult to dismantle and repair,
Pictures of the partly dismantled Radio attached

[Old Sparky]

These three pictures are of the partially dismantled Roberts WM202 (stream202) radio.  They may assist someone else attempting to repair one of these.