The service manual is as described and received the link to the download sooner than expected. Great service, quality product. This site is a big help in the electronics repair business.
Text excerpt from page 4 (click to view)
FRONT C.B.
1. To reassemble the Lid, window, slide all knobs on the Lid, window and all switches on the FRONT C.B to the MAX position.
A A
2. Slide the Lid, window in the direction of the arrows A into the Lid cassette, followed by the rest of the hooks. Ensure all catches are hooked and movement of switches are smooth.
Hocks Front C.B. Hocks All knobs at max position Hocks