great works fine, got the manual on mail within a day
Text excerpt from page 5 (click to view)
SECTION 3 DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
3-1. FRONT PANEL
� In order to remove the front panel block when the power supply does not turn on, rotate the cam with tapering driver as the figure shows, and the loading part will be moved. Then pull out the loading part by your hand to remove the loading panel as the figure shows. After that take out the front panel block.
Tapering driver
Loading panel
Loading part
3-2. BASE UNIT (BU-5BD20)
3 Yoke bracket
BU-5BD20
4 Remove the Base unit (BU-5BD20) to the direction of arrow.
1 Turn the cam to the direction of arrow (counter clock wise) by tapering driver.