Wharfedale Titan pro 12A no woofer output

[Mackspowers]

Hi,
I've got a wharfedale titan pro 12 that i am fixing for the school. It originally had no power indicator, and made a pop when turned on. I have removed and tested Q17/Q18 mosfets and replace a shorted one. I have also replaced the mosfet drive IC dT5268s with IR 21531. Now powers up with no woofer output . Woofer tested at 4ohms, started testing the rail again and am getting -60Vdc on the +15V - sw connection. Tweeter circuit functions ok. Any help with where to go next please?
Thanks,

[The Dude]

Do you have a schematic or schematic link you could upload?

[Mackspowers]

Yep attached thanks

[g1]

Have you seen these posts?
https://music-electronics-forum.com/...049#post418049
https://music-electronics-forum.com/...141#post447141

[Mackspowers]

Thanks g1 ive seen quite a few posts but couldn't quite pinpoint my issue looking through them.

[x-pro]

H
started testing the rail again and am getting -60Vdc on the +15V - sw connection. Tweeter circuit functions ok. Any help with where to go next please?
Thanks,

It is necessary to measure all DC supply voltages of the secondary part of the power supply. Those on the diagram are on the right side of the transformer T3.

[Mackspowers]

thankyou il measure them and post results tomozza

[Mackspowers]

Sorry for the delay, my transformer tapping points test ok, I've researched these helpful forum posts further, and found c33b is missing on a small pcb under the main heat sink. Il also inspect and replace the IR 2011 and the TC7WH08 as palleeman has suggested in past posts

[Mackspowers]

https://imgur.com/a/sVcpBzJ image of capacitor blown off. Anyone else seen this?