very quick service and manual as described - would happily trade here again!
Text excerpt from page 24 (click to view)
1-6. Installing the BKP-9330
1-6. Installing the BKP-9330
1. Turn off the main power and disconnect the plug from the outlet. 2. Remove the two screws and remove the blank panel.
4. Remove the front panel. (Refer to Section 1-4.) 5. Insert the VPR-57 board (BKP-9330) into the third slot from the top, open the levers in the direction of arrow A to lock them.
Blank panel
VPR-57 board (BKP-9330)
Third slot
B3 x 5 Third slot B3 x 5
3. Insert the DIF-38 board (BKP-9330) into the slot of the removed blank panel and fix the board with the screws removed in step 2.